HVAC technician working on the outdoor unit of a home in Georgia

Henry County · about 10 minutes south on I-75

Heating Repair in McDonough, GA

Heat pumps fail quietly, and heat pumps are the standard across this part of Georgia. We are about ten minutes north of you on I-75.

The McDonough failure nobody notices

Here is the one that catches people out. The house is warm. Nothing sounds wrong. There is no bang, no smell, no cold morning. The only symptom is a power bill that has roughly doubled — because the compressor gave up weeks ago and the emergency heat strips have been quietly carrying the entire house ever since, at something like three times the running cost.

That is a five-minute check for somebody who knows where to look, and it is worth catching in November rather than in February when the bill turns up. If it is the reversing valve, a sensor or the board, we will say so and price it. If the honest answer is that the unit is finished, you will get that instead — and you can make the decision with a whole winter still ahead of you.

You can check this one yourself, for free, in about a minute. On a genuinely cold day, go outside and look at whether the outdoor unit is running. A heat pump in heating mode runs its outdoor fan and its compressor exactly as it does in summer. If the house is warm and that unit is sitting there dead silent, the strips are carrying the whole thing — and you have your answer before anybody opens a panel or charges you for the privilege.

The calls we get all winter

  • The heat pump is blowing cool air on a cold morning
  • Emergency heat is stuck on and the power bill is climbing
  • The furnace runs but nothing warm comes out
  • The burner won’t light, or lights and drops straight out
  • A bang or a rattle every time it starts
  • One room roasts and the next one freezes
More on this service Residential Heating & Cooling

From the Google listing

4.9 stars, 18 reviews, owner-operated.

Real reviews, published exactly as they were written. Every one of them is on the Google listing under McGrath Mechanical.

McGrath Mechanical is my go to choice for HVAC repairs and installation. As a property manager of properties all over the Atlanta area, I need a reliable HVAC source that will show up, diagnose the problem correctly, tell me the truth and make the repair at a reasonable cost. McGrath does exactly that! New system installations are efficient and affordable as well. I highly recommend James at McGrath Mechanical!
Chris Holland Google review
If he says he will be there then he will. James is fast, reliable, and gets the job done. I thought I needed a new unit but that wasn’t the problem. After about 30 minutes he had us up and running again. Any questions I had he was able to give me an answer. Highly recommend
brian blackmon Google review

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