Furnace Repair in McKinney, TX

McKinney Furnace Repair: Historic to Modern

McKinney has the widest range of furnace types I service anywhere in North Texas. In a single day, I might go from a converted gravity furnace in a historic downtown home to a smart-equipped, variable-speed system in Craig Ranch. That range keeps the work interesting, but it also means you need a tech who's seen it all.

The historic downtown area has homes built before 1970, and many of them originally had floor furnaces or wall heaters that were later converted to central heating. The ductwork in these homes was retrofitted — squeezed into walls and crawlspaces where it doesn't really fit — and it's often undersized or leaky. Before I recommend any furnace upgrade in a historic McKinney home, I check the ductwork first. There's no point putting a high-efficiency furnace on ductwork that's losing 30% of your heated air into the walls.

Craig Ranch and the 2005-2015 developments have standard builder-grade furnaces that are now 10-20 years old. The most common failure I see in these homes is the draft inducer motor, which runs $350-$600 to replace. These motors run every time the furnace cycles, and after 15+ years of use, the bearings wear out. You'll hear a loud humming or whining sound before it fails completely — if you hear that, call before it quits on a cold night.

One thing all McKinney homes share: annual furnace inspection before November is critical. McKinney sits on expansive clay soil that shifts with moisture changes, and that movement can stress gas line connections over time. A cracked heat exchanger from soil-induced stress can leak carbon monoxide into your home — it's invisible and odorless. A proper inspection catches these issues before they become dangerous.

McKinney's historic homes are some of my favorite calls — they have character, but they also have 50-year-old ductwork hiding in the walls. That's where experience really matters.