2016 EBSCO Research Best Pick
678-341-2039

Knight Air Conditioning & Heating Co.

14th year as a Best Pick

  • A-Rated
  • Verified License(s)
  • Verified General Liability
  • Verified Workers' Comp

Our mission is to provide our customers the best possible service and highest-quality installations in a manner that will encourage them to recommend us to others. We are 100 percent focused on customer satisfaction. Our attention to detail and total customer satisfaction guarantee assure a pleasant experience for our customers.

Tim Loudermilk | Co-owner

Areas Served:

Gwinnett/East Metro

  • Services Offered
    Knight Air Conditioning & Heating offers heating and air conditioning service for both residential and commercial customers. The company recommends and installs Trane replacement comfort systems. Knight specializes in redesigning and retrofitting problem duct systems.
  • Awards & Certifications
    The company employs NATE-certified technicians and is a Trane Comfort Specialist.
  • Company History
    Founded in 1971, Knight Air Conditioning & Heating is a privately owned company. Tim Loudermilk and Joel Aderhold, both native Atlantans, own and operate Knight. Joel and Tim each have more than 35 years of experience in the heating and air conditioning business. According to Joel, many of Knight's employees have been with the company for more than 20 years.
  • Licenses
    CN208407

Select Quotes from Customer Interviews

A selection of 428 homeowner reviews:


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Knight Air Conditioning & Heating has been very great. They came and installed two of the heating and cooling units. They worked hard to make sure that everything was complete, and one of the supervisors even came back out and did an inspection. Everything worked out perfectly.
I use Knight Air Conditioning & Heating—they're wonderful. The owner actually came out and did the estimate. He was very genuine. I didn't feel like I did with other companies that were giving me an ultimatum and using sales tactics like that. He didn't do any of that. He was just great. This was several years ago, but we've used them since then to just check things out. They came out and serviced the heating and air yearly after that. They were great. I'd recommend them with an A grade.
We always have excellent service from Knight Air Conditioning & Heating. They put in our system. We have a maintenance agreement with them for servicing, and they are always excellent. Not only are they good at their skill, but they are very good in the manner of their service. The men they have are excellent. I'll give them an A.
Knight Air Conditioning & Heating is wonderful. They installed a unit for me, and they did a great job. They're a good company. They get an A.
They do work for me all the time. They put in a new heating and air system for me in my home. They took out all the ductwork and put in new ductwork. It was wonderful. Then, when I moved to my new home two years ago, the HVAC system was horrible. I called them and said, 'Can you come and take it out and put in new?' They did that for me. They help me any time I ever need anything. I have a maintenance policy with them where they come twice a year and keep us all updated on everything. They're wonderful. I'd give them an A.
Knight Air Conditioning & Heating did some work for me in the past. They installed an air conditioning unit, and they did a pretty decent job overall. I first heard of them from the Gwinnett Best Pick Reports. They earned their A from me.
They service my air conditioning and furnace twice a year, and they've been very good about it. The technician is very polite and courteous. I'd call them an A.
I know Knight Air Conditioning & Heating changed some air filters, and I think they changed our thermostat, too. They did a few things, and it was a positive experience because the guy was giving me tips and pointers that I didn't know. He told me to leave the fan on 'Auto' and not 'On.' Then, he told me I need to change my filters every six months or so, and that's what I haven't done. I need them to come back and change my filters because I don't want to go up and do all that. They get an A.
I have a maintenance contract with Knight Air Conditioning & Heating. They came out, serviced everything, and made sure it was running correctly. They also came out and looked at my system to possibly replace it. I first heard of them through a friend of mine. I'll give them an A.
Knight Air Conditioning & Heating helped us with a new air conditioner. They were very helpful. They explained details for us and got it done on time and on budget. I've used them before, but I actually heard of them through my neighbor. My neighbor uses them. I think they're an A-rate service.
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