
Heating & Cooling Repairs, Service, New Installations, Electrical Repairs, Wiring, Surge Protection, Generators, Lighting, Air Conditioners, Furnaces, Heat Pumps, Air Handlers , and 2 more
"Due to allergies that have been progressively getting worse my doctor prescribed singulair early this past summer. Unbeknownst to me, a big part of the problem was the air quality in my own home. I happened to need help with my pilot light last week and realized that I was breathing in some nasty stuff due to the condition of my still running circa 1978 heater. Needless to say I made the decision my health was worth the investment of a new HVAC system (and I wanted EVERYTHING replaced). I now have a MERV 11 filter, UV light and new duct work, everything. The unit is up and running and no runny nose or headache. I am soooo glad I made this decision. Their price was VERY competitive, they were very professional, and all in all it was a much better experience than I expected. Thank you Allgood!! If I could I would give you 6 stars."
Sandy M. in November 2017

General service, ac repair, and new installations or replacements, Home air conditioning & heating maintenance and tune-ups, Furnace or Heat Pump Installation, repair, or emergency service , and 1 more
"Orlando was great! Very personable and professional. He got to work promptly and made the necessary repairs and performed maintenance on our HVAC system. I would definitely recommend him and Allgood to anyone who needs HVAC work done."
F96B28548CDE7A2C7C81AEB6C20508487197143A4C17A097D3766BC7A9F56ED3 E. in May 2025

Air Conditioning, HVAC repair, Heating , and 1 more
"David came out to inspect our app. eighteen year old natural gas furnace. Upon startup it was apparent that our heat exchanger (that had been a cause for concern before) had cracked. He explained that the system was not safe, explained that the cost to replace the exchanger was prohibitive (something that we had been told by other contractors) and provided a quote for a new furnace. He waived the service fee for the inspection, explaining that he offers free quotes and that that was really what this visit came down to. His quote was more than competitive, he didn't try to up-sell me on more than what we needed (in fact when I asked about additional features, he explained what would, or would not, be worth the investment), and he was able to install the new system in less than a week. He is friendly and professional and I plan to have him do additional work for us in the future, along with our annual inspection."
Heidi M. in November 2015
Gas Furnace Installation, Central Air Installation, Electric Furnace Installation , and 1 more
"Bobby came out and installed a complete Trane system and even relocated the furnace and A/C compressor to a more sensible location. The installation crew was polite, professional and efficient. The new heating and air system works flawlessly. Best service I have ever gotten from a HVAC company ever!"
Jason B. in January 2018
"Best, most reasonable HVAC company in the area! Very professional and personable. No surprises and quick response."
B A. in January 2025

In business since 1987
Central AC Installs, Furnace Install, Central AC Installs , and 2 more
About us: "Casteel Heating, Cooling, Plumbing and Electrical is the company you can trust with your home service needs. We offer installation, repair and replacement services based on flat rate pricing and never any emergency fees. Our highly educated technicians pride themselves on their craftsmanship and customer service. Casteel offers industry leading warranties and guarantees to include our Amazing Care Guarantee. You get 5 star service or your service call is free! At Casteel we know your time and money are valuable, for this reason we provide you with the ability to track your technician right to your door. With fair pricing, top notch team members and our Amazing Care Guarantee, you will not go wrong with Casteel as your home services company of choice."
Flowery Branch Heating & Furnace Contractors are rated 4.7 out of 5 based on 565 reviews of 565 pros.
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