{"id":459,"date":"2024-11-13T12:01:00","date_gmt":"2024-11-13T19:01:00","guid":{"rendered":"https:\/\/schraerair.imarketbeta.com\/blog\/?p=459"},"modified":"2025-11-11T12:33:42","modified_gmt":"2025-11-11T19:33:42","slug":"parts-of-an-hvac-system-geothermal-heat-pump","status":"publish","type":"post","link":"https:\/\/www.schraerair.com\/blog\/geothermal-service\/parts-of-an-hvac-system-geothermal-heat-pump\/","title":{"rendered":"Parts of an HVAC System: Geothermal Heat Pump"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/Parts-of-an-HVAC-System-Geothermal-Heat-Pump.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/Parts-of-an-HVAC-System-Geothermal-Heat-Pump-1024x683.webp\" alt=\"\" class=\"wp-image-460\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Parts-of-an-HVAC-System-Geothermal-Heat-Pump-1024x683.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Parts-of-an-HVAC-System-Geothermal-Heat-Pump-300x200.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Parts-of-an-HVAC-System-Geothermal-Heat-Pump-768x512.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Parts-of-an-HVAC-System-Geothermal-Heat-Pump.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/JakeNelsonProductManager.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/JakeNelsonProductManager.webp\" alt=\"\" class=\"wp-image-461\" width=\"88\" height=\"84\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/JakeNelsonProductManager.webp 512w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/JakeNelsonProductManager-300x286.webp 300w\" sizes=\"auto, (max-width: 88px) 100vw, 88px\" \/><\/a><\/figure>\n\n\n\n<p>Author Jake Nielson Product Manager<\/p>\n\n\n\n<p>Parts of an HVAC System: Geothermal Heat Pump Components Explained<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/Geothermal-Heat-Pump.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/Geothermal-Heat-Pump-1024x683.webp\" alt=\"\" class=\"wp-image-462\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Geothermal-Heat-Pump-1024x683.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Geothermal-Heat-Pump-300x200.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Geothermal-Heat-Pump-768x512.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/Geothermal-Heat-Pump.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>When HVAC system parts break down at home it can be stressful, especially without repair knowledge.<\/p>\n\n\n\n<p>In this blog post, I&#8217;ll simplify how the components of HVAC systems work by explaining the parts of one of the most efficient and long-lasting types: a geothermal heat pump.<\/p>\n\n\n\n<p>The goal in this is not necessarily that you&#8217;ll be able to fix the issues with HVAC components on your own (though more power to you if that ends up being the case) but more to just lessen the anxiety a little by shining a light on how these systems work and give you a little more confidence in being able to confidently talk to HVAC contractors and make a good decision on how to respond when your system isn&#8217;t working as expected. You can also use this article as a handy way to identify HVAC system components on your own!<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. Supply Duct<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/supply-duct.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/supply-duct.webp\" alt=\"\" class=\"wp-image-463\" width=\"289\" height=\"193\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/supply-duct.webp 600w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/supply-duct-300x200.webp 300w\" sizes=\"auto, (max-width: 289px) 100vw, 289px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/dirtyductscleaning.com\/duct-cleaning-images.php\"> source<\/a>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Carries warm or cool air from your HVAC system into your home.<\/li><li>What Happens if It Fails: Damaged, dirty or leaking ducts will result in uneven temperatures, increased energy costs and poor air quality.<\/li><li>Routine Maintenance: Inspect for leaks, dirt, or damage and ensure ducts are sealed and insulated.<\/li><li>Relative Repair Cost: $$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. Plenum<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/plenum.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/plenum.webp\" alt=\"\" class=\"wp-image-464\" width=\"165\" height=\"91\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/plenum.webp 500w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/plenum-300x166.webp 300w\" sizes=\"auto, (max-width: 165px) 100vw, 165px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"http:\/\/www.salaair.com\/ductwork.htm\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: An air distribution box that connects the furnace or air handler to the ductwork.<\/li><li>What Happens if It Fails: A cracked or leaking plenum reduces airflow, causing inefficiency.<\/li><li>Routine Maintenance: Regularly check for air leaks and ensure proper insulation.<\/li><li>Relative Repair Cost: $$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. Condensate Drain<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain-1024x768.webp\" alt=\"\" class=\"wp-image-465\" width=\"224\" height=\"168\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain-1024x768.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain-300x225.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain-768x576.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain-1536x1152.webp 1536w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/condensate-drain.webp 1806w\" sizes=\"auto, (max-width: 224px) 100vw, 224px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Removes moisture generated during the cooling process.<\/li><li>What Happens if It Fails: Clogged drain can lead to water damage and mold.<\/li><li>Routine Maintenance: Clean the condensate drain line at least once a year to prevent blockages.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. Return Duct<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/return-duct.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/return-duct.webp\" alt=\"\" class=\"wp-image-466\" width=\"181\" height=\"181\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/return-duct.webp 525w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/return-duct-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/return-duct-150x150.webp 150w\" sizes=\"auto, (max-width: 181px) 100vw, 181px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Draws air from your home back into the HVAC system.<\/li><li>What Happens if It Fails: Reduced airflow and inconsistent temperatures.<\/li><li>Routine Maintenance: Inspect for any blockages or damage and ensure proper sealing.<\/li><li>Relative Repair Cost: $$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. Pressure Switch<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch.webp\" alt=\"\" class=\"wp-image-467\" width=\"202\" height=\"167\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch.webp 941w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-300x248.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-768x636.webp 768w\" sizes=\"auto, (max-width: 202px) 100vw, 202px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: A safety device that ensures proper venting of gases.<\/li><li>What Happens if It Fails: The furnace won\u2019t operate to avoid unsafe conditions.<\/li><li>Routine Maintenance: Regularly inspect for blockages in the venting system that could affect the switch.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">6. Indoor Control Board<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board-1024x1024.webp\" alt=\"\" class=\"wp-image-468\" width=\"207\" height=\"207\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board-1024x1024.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board-150x150.webp 150w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board-768x768.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board-1536x1536.webp 1536w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/indoor-control-board.webp 2048w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/images.app.goo.gl\/gY7Y4HzqRJ2FxZ6A7\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Manages the operation of the HVAC system, ensuring components work in harmony.<\/li><li>What Happens if It Fails: The furnace or AC may not respond to thermostat settings or may malfunction.<\/li><li>Routine Maintenance: Have a professional inspect the control board during annual maintenance to ensure proper operation.<\/li><li>Relative Repair Cost: $$$$<\/li><\/ul>\n\n\n\n<p><strong>7. Blower<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/blower.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/blower-1024x768.webp\" alt=\"\" class=\"wp-image-469\" width=\"226\" height=\"170\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-1024x768.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-300x225.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-768x576.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower.webp 1200w\" sizes=\"auto, (max-width: 226px) 100vw, 226px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/images.app.goo.gl\/aj3mnueKksY2Dvxm6\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Distributes heated or cooled air through the ducts into your home.<\/li><li>What Happens if It Fails: No airflow, meaning no heating or cooling.<\/li><li>Routine Maintenance: Lubricate blower components and clean out dust or debris that could obstruct airflow.<\/li><li>Relative Repair Cost: $$$$<\/li><\/ul>\n\n\n\n<p><strong>8. Blower Motor<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/blower-motor.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/blower-motor.webp\" alt=\"\" class=\"wp-image-470\" width=\"215\" height=\"183\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-motor.webp 1000w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-motor-300x256.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-motor-768x656.webp 768w\" sizes=\"auto, (max-width: 215px) 100vw, 215px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Powers the blower to move air through the system.<\/li><li>What Happens if It Fails: The blower won\u2019t function, preventing air circulation.<\/li><li>Routine Maintenance: Regularly check for signs of wear and have the motor lubricated as needed.<\/li><li>Relative Repair Cost: $$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">9. Blower Capacitor<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor-1024x768.webp\" alt=\"\" class=\"wp-image-471\" width=\"212\" height=\"159\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor-1024x768.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor-300x225.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor-768x576.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor-1536x1152.webp 1536w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/blower-capacitor.webp 2048w\" sizes=\"auto, (max-width: 212px) 100vw, 212px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Helps the blower motor start and run efficiently.<\/li><li>What Happens if It Fails: The blower motor won\u2019t start, leading to no air circulation.<\/li><li>Routine Maintenance: Check the capacitor during routine inspections to ensure it\u2019s functioning properly.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">10. Coil<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/coil.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/coil.webp\" alt=\"\" class=\"wp-image-472\" width=\"220\" height=\"183\"\/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/iwae.com\/shop\/geothermal\/system-components\/evaporator-coils\/\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Absorbs or releases heat as refrigerant passes through, facilitating efficient heat exchange with the surrounding environment.<\/li><li>What Happens if It Fails: Can reduce heating or cooling efficiency and may cause the system to run continuously, leading to higher energy costs and potential compressor strain.<\/li><li>Routine Maintenance: Clean regularly to prevent dust and debris buildup. Inspect for leaks or corrosion during annual service.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">11. Filter<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/filter-scaled.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/filter-683x1024.webp\" alt=\"\" class=\"wp-image-473\" width=\"220\" height=\"330\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-683x1024.webp 683w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-200x300.webp 200w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-768x1152.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-1024x1536.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-1366x2048.webp 1366w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-scaled.webp 1707w\" sizes=\"auto, (max-width: 220px) 100vw, 220px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Removes dust and debris from the air before it circulates through your home.<\/li><li>What Happens if It Fails: Reduced airflow, poor indoor air quality, and potential system strain.<\/li><li>Routine Maintenance: Replace the filter every 1-3 months, depending on usage and filter type.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">12. Filter Drier<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/filter-drier.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/filter-drier.webp\" alt=\"\" class=\"wp-image-474\" width=\"207\" height=\"207\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-drier.webp 286w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/filter-drier-150x150.webp 150w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/www.master.ca\/professional\/heat-pump-filter-drier-3-8-flare-hpc103\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Removes moisture and impurities from the refrigerant to protect the geothermal system\u2019s components.<\/li><li>What Happens if It Fails: A failed filter drier can allow contaminants into the system, leading to reduced efficiency and potential damage to the compressor.<\/li><li>Routine Maintenance: Replace regularly to ensure effective filtration and prevent clogging.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">13. Ground Loop Heat Exchanger<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-heat-exchanger.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-heat-exchanger.webp\" alt=\"\" class=\"wp-image-475\" width=\"176\" height=\"174\"\/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/www.google.com\/aclk?sa=l&amp;ai=DChcSEwiv2d3_5dmJAxWnKEQIHTnVCyMYABANGgJkeg&amp;co=1&amp;ase=2&amp;gclid=CjwKCAiAudG5BhAREiwAWMlSjBBDjHr9g6FPfOMDIJZKEpArZwdFqBCQDEeG-fPqe9J1whA6fdgitRoCutAQAvD_BwE&amp;sig=AOD64_2H7xAKhCjIuntss4AtbgOrGwdCig&amp;ctype=5&amp;q=&amp;nis=4&amp;ved=2ahUKEwiZ6tj_5dmJAxVvLkQIHTRED-kQ9aACKAB6BAgBEEA&amp;adurl=\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Facilitates heat transfer between the ground loop and the refrigerant, enabling the geothermal system to provide heating and cooling.<\/li><li>What Happens if It Fails: A damaged heat exchanger can reduce efficiency or cause the system to overheat, potentially leading to breakdowns.<\/li><li>Routine Maintenance: Regularly inspect for wear, corrosion, and leaks.<\/li><li>Relative Repair Cost: $$$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">14. Ground Loop Pump<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-pump.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-pump.webp\" alt=\"\" class=\"wp-image-476\" width=\"189\" height=\"189\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-pump.webp 600w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-pump-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/ground-loop-pump-150x150.webp 150w\" sizes=\"auto, (max-width: 189px) 100vw, 189px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/mid-city.com\/products\/233624\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Circulates water or a water-antifreeze mixture through the underground ground loop, allowing heat transfer between the earth and the geothermal heat pump.<\/li><li>What Happens if It Fails: Water circulation stops, preventing heat exchange with the ground and causing the system to lose its heating and cooling capability.<\/li><li>Routine Maintenance: Check for proper operation, inspect for leaks, and ensure the pump is free of debris; replace any worn parts as needed.<\/li><li>Relative Repair Cost: $$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">15. Ground Loop<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/groud-loop.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/groud-loop.webp\" alt=\"\" class=\"wp-image-477\" width=\"193\" height=\"128\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/groud-loop.webp 400w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/groud-loop-300x200.webp 300w\" sizes=\"auto, (max-width: 193px) 100vw, 193px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/www.thermalearth.co.uk\/blog\/how-much-space-for-a-ground-source-heat-pump\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: A series of underground pipes that circulates water or refrigerant, transferring heat between the earth and the geothermal heat pump.<\/li><li>What Happens if It Fails: Leaks or blockages in the ground loop can prevent heat transfer, significantly reducing system efficiency or stopping it altogether.<\/li><li>Routine Maintenance: Inspect for leaks and pressure issues; annual pressure testing may be required.<\/li><li>Relative Repair Cost: $$$$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">16. Transformer<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/transformer.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/transformer.webp\" alt=\"\" class=\"wp-image-478\" width=\"163\" height=\"172\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/transformer.webp 894w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/transformer-283x300.webp 283w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/transformer-768x814.webp 768w\" sizes=\"auto, (max-width: 163px) 100vw, 163px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/images.app.goo.gl\/b8C9MHz1Q1zLUgKL8\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Steps down high voltage for furnace and air conditioning components.<\/li><li>What Happens if It Fails: The HVAC system won\u2019t operate due to insufficient voltage.<\/li><li>Routine Maintenance: Have a professional inspect the transformer during annual maintenance.<\/li><li>Relative Repair Cost: $$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">17. Compressor<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/compressor.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/compressor.webp\" alt=\"\" class=\"wp-image-480\" width=\"159\" height=\"159\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/compressor.webp 560w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/compressor-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/compressor-150x150.webp 150w\" sizes=\"auto, (max-width: 159px) 100vw, 159px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/images.app.goo.gl\/Uv2FzEmv3oyWM7oR7\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Circulates refrigerant between the evaporator and condenser coils.<\/li><li>What Happens if It Fails: The AC won\u2019t cool the air, and the entire system may need to be replaced.<\/li><li>Routine Maintenance: Check refrigerant levels and clean debris from around the outdoor unit to prevent overloading the compressor.<\/li><li>Relative Repair Cost: $$$$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">18. Pressure Switch (AC)<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-ac.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-ac.webp\" alt=\"\" class=\"wp-image-481\" width=\"153\" height=\"153\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-ac.webp 550w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-ac-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/pressure-switch-ac-150x150.webp 150w\" sizes=\"auto, (max-width: 153px) 100vw, 153px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Ensures safe refrigerant pressure levels during AC operation.<\/li><li>What Happens if It Fails: The system may shut down to prevent damage from incorrect refrigerant levels.<\/li><li>Routine Maintenance: Check refrigerant levels during maintenance to ensure the pressure switch works properly.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">19. Capacitor<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor-1024x683.webp\" alt=\"\" class=\"wp-image-482\" width=\"211\" height=\"141\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor-1024x683.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor-300x200.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor-768x512.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor-1536x1024.webp 1536w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/capacitor.webp 1800w\" sizes=\"auto, (max-width: 211px) 100vw, 211px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/images.app.goo.gl\/j9X3trZQj83vjJtw7\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Stores and releases electrical energy to help start and run the compressor and fan motors efficiently.<\/li><li>What Happens if It Fails: The system\u2019s motors may struggle to start or won\u2019t run at all, leading to reduced performance or complete system shutdown.<\/li><li>Routine Maintenance: Check for signs of wear, bulging, or leakage during regular maintenance, and replace if necessary to prevent unexpected failures.<\/li><li>Relative Repair Cost: $<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">20. Desuper Heater Coil<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-coil.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-coil.webp\" alt=\"\" class=\"wp-image-483\" width=\"181\" height=\"181\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-coil.webp 1000w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-coil-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-coil-150x150.webp 150w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-coil-768x768.webp 768w\" sizes=\"auto, (max-width: 181px) 100vw, 181px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/packless.com\/products\/desuperheaters\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: A heat exchanger that captures excess heat from the geothermal system to preheat water for a water heater, improving efficiency.<\/li><li>What Happens if It Fails: It won\u2019t transfer heat effectively to the water heater, reducing overall efficiency and increasing energy costs.<\/li><li>Routine Maintenance: Inspect for corrosion and mineral buildup; clean the coil as needed to ensure effective heat transfer.<\/li><li>Relative Repair Cost: $$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">21. Desuper Heater Pump<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-pump.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-pump.webp\" alt=\"\" class=\"wp-image-484\" width=\"171\" height=\"171\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-pump.webp 500w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-pump-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/desuper-heater-pump-150x150.webp 150w\" sizes=\"auto, (max-width: 171px) 100vw, 171px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/geohydrosupply.com\/grundfos-up15-18b5-desuperheater-pump-1-25-hp-230v-bronze-1-2-sweat\/\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Transfers excess heat from the geothermal system to assist in heating water.<\/li><li>What Happens if It Fails: There is no additional heat for water, causing the water heater to work harder and increasing energy costs.<\/li><li>Routine Maintenance: Check for proper operation and any leaks during annual service.<\/li><li>Relative Repair Cost: $$<\/li><\/ul>\n\n\n\n<p><strong>22. Water Heater<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater.webp\" alt=\"\" class=\"wp-image-485\" width=\"178\" height=\"119\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater.webp 510w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-300x200.webp 300w\" sizes=\"auto, (max-width: 178px) 100vw, 178px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/sustainablewestchester.org\/energysmarthomes\/geothermal-heat-pump\/\"> source<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Stores and heats water, and when connected to the desuperheater, it utilizes heat from the geothermal system to improve efficiency.<\/li><li>What Happens if It Fails: There is no hot water.<\/li><li>Routine Maintenance: Flush the tank annually and check for leaks or corrosion.<\/li><li>Relative Repair Cost: $$$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">23. Water Heater Supply<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-supply.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-supply-1024x683.webp\" alt=\"\" class=\"wp-image-486\" width=\"220\" height=\"147\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-supply-1024x683.webp 1024w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-supply-300x200.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-supply-768x512.webp 768w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/water-heater-supply.webp 1500w\" sizes=\"auto, (max-width: 220px) 100vw, 220px\" \/><\/a><\/figure>\n\n\n\n<p>Image<a href=\"https:\/\/www.thespruce.com\/water-heater-problem-making-noises-4103881\"> source<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: The cold water supply brings unheated water into the water heater for heating. The hot water supply line distributes heated water from the water heater to taps and appliances.<\/li><li>What Happens if It Fails: A leak or blockage in the cold water supply can reduce water flow, preventing sufficient heating. A failure in the hot water supply can lead to reduced water pressure or no hot water reaching fixtures.<\/li><li>Routine Maintenance: Check for leaks, especially around joints and fittings.<\/li><li>Relative Repair Cost: $$<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">24. Thermostat<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/thermostat.webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/schraerair.imarketbeta.com\/blog\/wp-content\/uploads\/2025\/11\/thermostat.webp\" alt=\"\" class=\"wp-image-487\" width=\"203\" height=\"203\" srcset=\"https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/thermostat.webp 600w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/thermostat-300x300.webp 300w, https:\/\/www.schraerair.com\/blog\/wp-content\/uploads\/2025\/11\/thermostat-150x150.webp 150w\" sizes=\"auto, (max-width: 203px) 100vw, 203px\" \/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Description: Controls the temperature in your home by communicating with the HVAC system.<\/li><li>What Happens if It Fails: The HVAC system won\u2019t respond to temperature adjustments, leading to discomfort.<\/li><li>Routine Maintenance: Test the thermostat for accuracy and recalibrate if necessary during annual system checks.<\/li><li>Relative Repair Cost: $$<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p>By understanding HVAC unit components and performing routine maintenance, you can extend the life of your equipment and avoid costly repairs. From cleaning coils and filters to inspecting the control board and compressor, each component requires specific care to ensure it functions properly. Schraer Air Experts are here to help with all your HVAC maintenance needs, ensuring your system runs efficiently year-round.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Author Jake Nielson Product Manager Parts of an HVAC System: Geothermal Heat Pump Components Explained When HVAC system parts break down at home it can be stressful, especially without repair knowledge. In this blog post, I&#8217;ll simplify how the components of HVAC systems work by explaining the parts of one of the most efficient and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74,75],"tags":[],"class_list":["post-459","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geothermal-service","category-heat-pump-service"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/posts\/459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/comments?post=459"}],"version-history":[{"count":2,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/posts\/459\/revisions"}],"predecessor-version":[{"id":488,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/posts\/459\/revisions\/488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/media\/460"}],"wp:attachment":[{"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/media?parent=459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/categories?post=459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schraerair.com\/blog\/wp-json\/wp\/v2\/tags?post=459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}