certified company
Based on 700+ reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
3rd year as a Best Pick Call
"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 Contractor 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
Company Information
Services Offered
Casteel Heating, Cooling, Plumbing & Electrical offers complete solutions for all residential plumbing issues, including drain cleaning and repair, water heater repair and replacement, sewer and burst pipe repair, toilet stoppage repair, plumbing for remodels, repiping, sump pump repair and installation, and whole-house plumbing inspections.
Casteel honors all manufacturers' warranties and offers labor warranties, extended warranties, and various warranties of up to ten years.
Company History
The company is family owned and operated and has served 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.
Additional Information
Casteel provides flat-rate, up-front pricing and many financing options.
Areas Served
North Atlanta, Cherokee, Dunwoody/Sandy Springs, Gwinnett/East Metro, Roswell, Alpharetta, Johns Creek & Cumming, Cobb/Marietta
A selection of 700+ homeowner reviews:
“They were trying to locate a leak for me. They were easy to schedule with. I'd give them an A.”
“They did water heater work for me. They get an A.”
“They ended up doing plumbing work for me. They're friendly, and they get it done. I'll give them an A.”
“They did plumbing work for me. They answered the phone right away. They were really customer service friendly. I didn't have a long wait. They were good at returning my calls. I think they came out a couple of days later after I had called. The man was very courteous and everything, so they fixed the problem. I'd give them an A.”
“They did fine. I liked that they came out when they said they would come out, and they fixed the problem. They were doing plumbing for us. This was about a month ago. They're an overall A.”
“Everything went fine with Casteel, no problems at all. We had an issue with water in our basement, which ended up being a pump, and they fixed it. I would grade them an A.”
“They replaced an old water heater with a hybrid model, and they now service my heating and air unit. They're very professional, prompt, and stand behind their work. I'd give them an A+.”
“They've done both heating and air and plumbing. They were prompt and knowledgeable. They're good contractors. I'd give them an A.”
“They did some plumbing. They repacked the bearings, repacked the valves for the kitchen sink, and replaced the faucet. They were quick, they explained everything, and everything was reasonable. They get an A on that.”
“We just had our yearly check done. They were courteous and efficient as always. The customer service answered my questions, and when I called, they made sure I had an appointment and stuck to it. I'd give them an A.”