Serving the DeKalb Community with Integrity Since 1975

Top-Rated HVAC Company Near Decatur, GA, Free Estimates

Our Most Popular Services

Cooling

Upgrade your comfort with ACE & A Heating & Air Conditioning of DeKalb, Inc. — we deliver seamless AC replacements that maximize energy efficiency and indoor cooling.

AC Replacement Service

Heating

Restore your comfort with ACE & A Heating & Air Conditioning — we provide expert heating repair services that quickly resolve issues and ensure your system runs efficiently for reliable indoor heating.

Furnace Repair Service

Mini Splits

ACE & A Heating & Air Conditioning of DeKalb, Inc. specializes in efficient mini split replacements designed for quiet, customizable climate control in any space.

Mini Split Replacement

About Ace & A Heating & Air Conditioning - HVAC services

Since 1975, ACE & A Heating & Air Conditioning of DeKalb, Inc. has proudly served the greater Atlanta area as a family-owned and operated business built on integrity, craftsmanship, and exceptional customer service. We are a full-service heating and air company with expertise in sales, service, and installation, providing year-round comfort for residential and commercial clients. Available 24/7 for emergencies, we make it a priority to ensure our customers feel supported whenever the need arises — day or night. We even give a 30-minute call-ahead confirmation before each visit to respect your time and schedule.

ACE & A stands out as a leading HVAC company by prioritizing continuous training and advanced technology. Every technician completes yearly factory training to ensure accurate, dependable service. We specialize in high-efficiency upgrades and proudly offer free estimates on replacement equipment. As Georgia’s only Fujitsu Elite dealer, we install top-tier ductless mini-split systems with efficiency ratings up to 33 SEER and industry-leading warranties. With our A+ BBB rating and long-standing reputation, we earn our customers’ trust one service at a time.

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Why Choose Ace & A Heating & Air Conditioning: A Trusted HVAC Company for Reliable, High-Quality Heating and Cooling Solutions

At ACE & A Heating & Air Conditioning of DeKalb, Inc., we believe in honest, high-quality service without the corporate pressure or hidden agendas. Our customers know they can count on certified professionals who deliver clear communication, written proposals, and expert craftsmanship from start to finish. Whether you need a quick repair, a system upgrade, or a completely new installation, we guarantee the job will be done right the first time—with no surprises and no sales gimmicks.

What truly makes ACE & A stand out is our dedication to value and reliability. We offer labor and manufacturer warranties, flexible financing options, and the peace of mind that comes from working with an experienced team. Our 30-minute call-ahead confirmation, transparent pricing, and no-nonsense approach to service ensure you’re always in control. As the state’s only Fujitsu Elite dealer, we deliver elite comfort solutions with unmatched energy efficiency. When you choose ACE & A, you’re choosing decades of proven results, personalized care, and the best value in the HVAC business.

Our Special Offers

What Your Neighbors Are Saying About Us

They always treat me well. They're always on time for appointments. I appreciate the knowledgeable technicians--especially Fred! If you're looking for someone to service your unit I highly recommend this company.

I have used Ace & A Heating & Air Conditioning for over 10 years. I fired the rest and hired the best. They have always been courteous, and professional. They have replaced both my heating and air conditioning units. Installation techs. very thorough and professional. Clean-up 5 stars. Office staff 5 stars and roses.

A year and a half ago they installed a complete new system for us. I needed them back today to take care of my poor upkeep of it! They were fantastic both times! They came relatively quickly and were extremely thorough. Today Jermaine checked off all the boxes and then some. He made sure every aspect of our system inside and out was in great working order.

We have been with Ace & A for over 15 years and continue to have great service! Everyone at the office is friendly, helpful, and knowledgeable. We've liked all of our technicians over the years, but Fred, who has serviced our systems for the past handful of years, is absolutely wonderful! He's very honest and knowledgeable and so friendly at our appointments. We highly recommend Ace & A to anyone who needs service.

When we bought our current home, we signed up for Ace & A's annual maintenance agreement on the recommendation of the previous owners and have had very positive experiences with them. What I like best is I can email them if something comes up outside regular business hours that needs prompt attention but is not an emergency, and they respond very quickly and put me on the schedule for the next business day.

First thing Monday morning, I got a call back telling me the part had been ordered and was being delivered the same day. Before the end of the day, the technician came back with the part and installed it promptly and professionally. They also answered my many questions and were very professional. Definitely going to use this company again.

Areas We Serve

Our Most Popular Blogs

6 Common Reasons Your Furnace Isn’t Turning On in Decatur, GA

A furnace that refuses to start is one of those problems that always feels urgent. In Decatur, GA, where temperatures can drop into the

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Should I Repair or Replace My Heat Pump in Candler-McAfee, GA

Few HVAC decisions carry more weight than whether to repair or replace a heat pump, and in Candler-McAfee, GA, that decision rarely comes at

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Proper Placement Guidelines for Ductless Mini Split Installation in Decatur, GA

Placement is one of the most important and frequently underestimated decisions in any ductless mini-split installation. In our work throughout Decatur, GA, from the

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