2016 EBSCO Research Best Pick
678-321-1449

Casteel Heating, Cooling, Plumbing & Electrical

8th year as a Best Pick

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

As a four-time Top 25 Small Business of the Year winner, Casteel understands how to take amazing care of its customers. We were awarded The Best Company to Work For by The News, an HVAC industry publication, and we were also awarded Trane's Titanium Club status in 2010.

John Hillis | Owner & President

Areas Served:

North Atlanta, Cherokee, Dunwoody/Sandy Springs, Gwinnett/East Metro, Roswell/Alpharetta, Cobb/Marietta

  • Services Offered
    Casteel Heating, Cooling, Plumbing & Electrical replaces, repairs, and services all residential heating, cooling, plumbing, and electrical issues. The company also offers up-front pricing.
  • Warranty
    Casteel honors all manufacturers' warranties and offers labor warranties, extended warranties, and various warranties of up to ten years.
  • Awards & Certifications
    The company is a North American Technician Excellence (NATE) Quality Circle Contractor and a Trane Comfort Specialist and was awarded Trane's Titanium Club status in 2010.
  • Company History
    The company is family owned and operated and has been serving metro Atlanta since 1987. John Hillis is the current owner and president of Casteel.
  • Employee Information
    According to John, all of Casteel's employees are industry trained, rigorously background checked, and regularly drug tested.
  • Licenses
    CR006509

Select Quotes from Customer Interviews

A selection of 700+ homeowner reviews:


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I've used Casteel multiple times. They've been fantastic, and I recommend them all the time. Two years ago, we had a major upgrade which involved putting a brand new system up in our attic for the upstairs instead of the one system in the basement feeding both the first floor and the upstairs. We kind of split things off. That system has been perfect. They had to do all that work as well as make some modifications to the one in the basement. They had to do some zoning so that we have heating and air conditioning in the basement as well as the first floor, all working off the same unit. I've got two woodworking shops on the property, and they put in some mini-splits in each of those units, too. I'd give them an A+. They're excellent.
Casteel takes very good care of our two HVAC units. They are super people to work with. They're always on time. They're there when they say they're going to be there, and they clean up after themselves. They don't make a mess. I can't say enough about them. They're an A+.
I really like my heating and air guys from Casteel. They are wonderful. They put in two furnaces and two air conditioners. They're definitely an A.
We had Casteel replace our entire heating and cooling systems for both floors, and the folks that did it did an excellent job for us. They were rated in Best Pick Reports, and I say they earned an A grade.
It's easy to get an appointment. They come when they say they're going to come, and they resolve the issue. The job was a regular check on our air conditioning to make sure that it was functioning properly before the cooling season. We've been using them for years, and I would give them an A.
They were on time and did the work that they promised they would do, so that's pretty much all a consumer can ask for. They replaced the air conditioning unit for our main floor and basement. The entire system was pretty much redone. They installed a new unit, and then they fenced it in. They followed up pretty much every six months with quality checks and that sort of thing for the first year, so that was a good bonus. We've had it in here for probably a year and a half to two years. It's a much better unit. The one before was like a 20-year-old unit. I'd give the highest marks to Casteel; they've been great.
I use Casteel, and they're pretty good. They did a good job putting in a whole system. The customer service has been great. They back up what they say, and I've never had to call them back. They've been pretty legit. I had one minor issue, but they came back out and fixed that pretty quick. I'd say that they're an A+.
I think a blower was broken, and Casteel fixed it. I'd give them an A+.
Casteel did good work—I like them. I liked their professionalism. They did expansion valves and worked on the thermodynamics of a condenser. I think they showed up on time, and they were well groomed. They had clean shoes, and they laugh at all my jokes. We'll give them a solid A grade.
The ease of the work was good. They were in and out with no problems. They replaced some water heaters, and they repaired some HVAC units for me. I'd put them down for an A+.
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