Now Hiring
Pres Award 23
Now Hiring
Pres Award 23


Our NATE-Certified technicians are always available for AC services like replacement and emergency repair.


Our HVAC specialists can repair most heating problems in one service call. We repair all models.


We offer periodic specials on HVAC services like AC repair services, AC installation, and furnace inspection.

HVAC Services including Heating Repair & Installation AVAILABLE in Carrollton, Newnan, GA and surrounding areas

Welcome to Merrell & Associates, Inc., an established West Georgia HVAC and mechanical contractor. We have been in the indoor comfort business since 1952 when R. Ellis Merrell installed his first heating and AC system in Carrollton, GA. Our philosophy has always been and still is to put your needs first, so we back all our products and services with a 100 percent satisfaction guarantee. We’re always here when you need us for heating and ac services, and we’re only comfortable when you are.

Heating and AC Services, West Georgia & Surrounding Cities

Merrell & Associates is a Factory Authorized Carrier Dealer, whose factory-trained, NATE-Certified HVAC technicians are experienced and friendly professionals who can repair, replace, install, and maintain any kind of indoor comfort system. When you need reliable and affordable heating and AC service in Carrollton, GA, we’re the professionals to call:

  • Residential and commercial heating and ac repair, replacement, and installation
  • Central heating and cooling, ductless HVAC, heat pumps, geothermal systems, and furnaces
  • Ductwork and new construction installation and design
  • Preventive maintenance and annual service agreements
  • Indoor air quality products and services
  • 24/7 emergency service

Our Accreditations

  • Licensed, bonded, and insured
  • Carrier Distinguished Dealer
  • Carrier Factory Authorized Dealer
  • NATE-Certified Technicians
  • Conditioned Air Association of Georgia
  • Georgia Natural Gas Company’s Gas Advantage Dealer Program
  • Carroll County Chamber of Commerce
  • Drug Free Workplace — Drugs Don’t Work
  • 2022 & 2023 Carrier President’s Award for Excellence

Carrier NATE Carrier Distinguished Dealer award CAAFG drug free carroll county2023 President's Award logo

Commercial HVAC Services

When heating and AC problems occur in your business, it’s serious. Not only are employees uncomfortable which can affect productivity, but if you’re a retail establishment, customer comfort can be affected as well. No product or service purchases will mean a loss to the bottom line. We understand that you need a professional HVAC company with the expertise to get your business or commercial space up and running again as quickly as possible. You can count on our NATE-certified technicians to arrive with a fully stocked truck to diagnose and then make the repair as quickly as possible. We provide 24/7 emergency service and our technicians have experience with all HVAC models.

Save With Energy-Efficient HVAC

  • Our ENERGY STAR Home Performance Evaluation can give you the information you need to make your Carrollton, GA, home more energy-efficient. By following our technicians’ professional advice, you could reduce your heating and cooling costs by up to 30 percent.
  • With our residential and commercial scheduled maintenance agreements, your heating and cooling systems will operate at peak efficiency, last longer, require fewer repairs and cost you less in monthly utility bills.
  • When it’s time for a furnace, heat pump or air conditioner replacement, ultra-efficient Carrier systems can pay for themselves over time by dramatically reducing annual heating and cooling costs. We can help you to save even more with energy-efficient federal tax rebates, Georgia Power Company energy incentives, and dealer discounts on select systems. We also offer financing options with approved credit.
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