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What is a flame sensor, and why does cleaning it fix my furnace? A flame sensor is a thin metal rod that sits in your furnace’s burner flame and proves to the control board that the fire actually lit. Over a season it builds up a coating that weakens its signal, so the furnace lights, […]
What is an air handler, and do I have one? An air handler is the indoor blower unit for a heating and cooling system that doesn’t burn fuel — it contains a blower, an evaporator coil, and usually electric heat strips. Here’s the short version of whether you have one: if you have a gas […]
Do my furnace and air conditioner use the same system? Yes, and it might be the single most useful thing a homeowner can understand about their HVAC, because it explains four decisions you will eventually have to make: diagnosis, maintenance, prevention, and replacement. You do not have two machines. You have one system with two […]
Do I really need a furnace tune-up every fall? Honest answer: your furnace will probably work without one. But “works” and “checked” are two different things, and a tune-up is how you find out which one you have before the first cold night in November. Here is what you are actually paying for. Schedule your […]
When should you turn your furnace on? Not when it gets cold. Three years of our own no-heat call data says the rush starts the same two weeks every October.
A verified crack is dangerous — it can put carbon monoxide in your air. But “verified” is the key word. Here’s why they crack, the photo trick some companies use, and the four things to demand before you believe a diagnosis.
Missouri winters can be unpredictable, and at Schraer, we know how important it is to stay warm without letting energy bills spiral out of control—especially when it comes to heating in Warrenton, where cold snaps can arrive quickly.
That’s why we always encourage system checkups to avoid costly failures before the coldest days hit.
Author Jake Nielson Manager Your furnace is a key part of your home. Without one, you wouldn’t be able to stay warm during the winter. Yet furnaces can have some problems that are more common than others. Let’s review these problems and discuss what they might cost to correct so you know before you contact […]
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