HVAC technician with manifold gauges working on an air conditioning condenser beside a home in Georgia

Henry County · about 15 minutes south on I-75

AC Installation in Locust Grove, GA

If you are replacing a system in Locust Grove, there is a fair chance it is the builder’s original. That makes this a chance to fix the first decision instead of repeating it.

Installing at the fast-growing end of Henry County

A lot of Locust Grove is new build, and new build gets the system that met code at the lowest price on the day the house was signed off. It works. It works right up until the day it does not, and then you find out it was never really sized for the house you actually live in, with the rooms you actually use and the windows that actually face west.

If you are at that point, you are holding a rare opportunity: the replacement can correct the original mistake rather than reproduce it. We will tell you what the house needs, what that costs, and — just as usefully — what you would be paying extra for that you would never once notice. We are fifteen minutes up the interstate when you want to talk it through.

It is also worth asking what the ductwork is doing, because in new build the duct is usually where the budget went to die. Undersized returns, flex runs with a kink folded into them, a system fighting its own distribution from the day it was commissioned. Replace the equipment and leave that in place and you have bought a better box with all the same complaints. Now and then the honest fix is a duct modification and not a bigger unit at all.

When replacing really is the answer

  • The compressor is gone and the unit is well past ten years old
  • It needs refrigerant every single season
  • The repair quote is a serious fraction of a new system
  • Upstairs never cools, whatever the thermostat says
  • It’s loud, it’s tired, and it costs a fortune to run
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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