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Commercial HVAC Service

Reliable Heating & Air is the go-to resource for greater metro Atlanta businesses and commercial developments with heating & cooling repair, system replacement and preventative maintenance.

Why Choose Reliable?

Reliable's core values separate us from other service providers. We have built a solid reputation of trust since our founding in 1978 and we back all of our work with a 100% satisfaction guarantee. We're the HVAC Commercial company businesses can trust to help prevent expensive problems and reduce costs.

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HVAC Repair

Step 1 is getting one of our licensed techs out to your business to diagnose your heating and cooling system. We provide Same Day Service. Our trucks come fully stocked and we are ready to repair most all heating and cooling issues on site. Call or text us 24/7 at (770) 594-9969 x5 to connect with our Commercial Team directly.

All repairs come with a 1 year guarantee and our 100% satisfaction guarantee.

  • Diagnosing the problem: $108.99 for Condos. Commercial establishments are charged by the hour.
  • Average Repair price: $310
  • Average time to complete: 30 min to 3 hours
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Commercial Brands We Repair

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HVAC Replacement

Our Commercial HVAC installation technicians have the proper certification, training and experience to provide you with the services your business requires. Our Commercial team offers complete heating & cooling installation services, custom HVAC system designs, and system cost analyses.

Out team will calculate the optimum BTUs for your air conditioning needs to keep both your customers and employees comfortable and help you save on energy costs. Our highly skilled professional engineers and technicians are knowledgeable with the permitting process and commercial work zone protocols and we strictly adhere to all regulations and guidelines for the safe, professional installation of your new system.

Reliable is currently offering new system options that include lifetime repairs and maintenance at no additional charge ever. Our new program takes care of every cost associated with your system for as long as you are a member. No questions asked.

Every plan includes new high-efficiency HVAC equipment and a smart thermostat, starting at $49.99 per month. Schedule a free estimate and let one of our Comfort Consultants help you find the plan that's right for you.

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  • Restaurants
  • Office Buildings
  • Apartments & Condominiums
  • Schools
  • Hotels
  • Health Clinics
  • Public Buildings
  • Retail Stores
  • And More
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Our Partners

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Commercial HVAC
Preventative Maintenance

Prevent HVAC Breakdowns for your Business

Get a FREE Site Survey and Custom Maintenance Plan for your Business. Our Preventative Maintenance Plans Include:
  • A proactive cost containment strategy for companies of all sizes
  • Plans that reduce energy costs by maintaining maximum efficiency
  • Plans that prevent expensive emergency equipment service or premature system replacements
  • Up to date maintenance records, including combustion efficiency reports, tech recommendations, refrigerant usage and more
  • 4 maintenance visits per year (heating, cooling & 2 filter changes)
  • 10% OFF all repairs & reduced Hourly Rates
  • Top Priority Service for Emergencies
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It Only Takes A Second To
Get Started

Contact Us

Call us for any of these Commercial Service Needs:

  • Heating System Service
  • Air Conditioning & Cooling System Service
  • Heating & Cooling System Replacement
  • Rooftop Heating & Cooling System Installation
  • Maintenance Agreements
  • Cooling Towers
  • Computer Room Systems
  • Chillers
  • Boilers
  • Refrigeration
  • Ventilation Systems
  • Variable Speed Air Volume Equipment
  • Chilled Water Systems
  • Clean Rooms
  • In-floor Heating or Air Conditioning Systems
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It Is Easy To Get





Follow Up




Contact us online or call or text us at (770) 594-9969 x5 to schedule an appointment. We'll call you to confirm your time and send you a confirmation email with a picture of your tech, so you know who's coming to your property.



We'll explain the problem and give you the best options to repair your AC, with straightforward pricing for each.

On the day of the repair, our tech will:

  1. Lay down drop cloths and wear shoe covers to protect your business.
  2. Repair your AC. We don't consider a repair complete until you are 100% satisfied.
  3. Leave your business in better condition than we found it.


Follow Up

We'll send you a follow-up survey to make sure you're happy with our service. If you're not, let us know. We'll do everything we can to make it right.

It Only Takes A Second To
Get Started

Contact Us


Refrigeration Service, Repair and Installation Experts

Our technicians can provide remodel survey inspections and provide detailed design and recommendations for your refrigeration needs. Expert installation that minimizes your businesses operating hours by installing around YOUR schedule.

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Commercial Chiller Repair, Service and Maintenance Experts ​

Chillers serve HVAC systems that deliver the right temperature, humidity and ventilation for the space. They minimize operating costs with superior energy efficiency levels, low sound levels and minimal environmental impact. Our commercial team can install your chiller from 20 to 200 tons.

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Duct Cleaning

Commercial grade duct cleaning for your business is critical for:

  • Improving indoor air quality
  • Reducing mold growth potential
  • Extending HVAC equipment life
  • Reducing allergies
  • Reducing unpleasant odors
  • Saving money on utility bills
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