Spring Coupons are Here!

Click here to maximize comfort for your home, and wallet, this year.

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Afraid of Opening Your Utility Bill?

Save Energy – Save Money

A high efficiency system can pay for itself by reducing your energy bills. New state of the art technology can save you money while providing additional comfort in your home. ACS can assess your home and provide you with options to make your upgrade easier. Contact us today for a FREE Energy Analysis.

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Are You Having a Major Breakdown?

Repair vs Replacement?

At today’s high cost of repairs and increasing energy bills, it may be wiser to invest in a new system than to dump money into an aging, inefficient system. Don’t wait for a major breakdown, call today for a free energy analysis.

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Let Our Family Take Care of Yours

Tired of Being Sold What You Don’t Need?

At ACS, a family owned business, we take the time to provide you with the best value. We will assess your home and give you options, so you can get a system that is tailored to your lifestyle and budget — all with no sales pressure.

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Get Up to $1450 in Rebates

on an Energy Efficient Equipment Upgrade from Carrier.

Sound Cool?

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Let Our Skilled HVAC Professionals Help You Today!

We're proud of our years of service to the Northern California area and look forward to helping you with your air conditioning and heating needs.


Service & Repair

ACS’s highly trained, NATE certified technicians will diagnose your problem and provide you with pricing and recommendations. Our courteous technicians will also take measures to keep their work area clean and tidy.

Bay Area heating and air conditioning

Routine Maintenance

Routine maintenance ensures that your heating and cooling system performs as efficiently and reliably as possible. Regardless of whether your system is old or new, routine maintenance is the key to efficiency and longevity, just like an oil change for your car.


Home Solar Energy

Let the sun pay for your energy needs. ACS can help you save more energy with a small solar array. We can look at your current energy usage and provide you with options to reduce your utility bills. Go Green – Get Green!!

Air Conditioning Concord | Heating & Cooling Concord | ACS Air Conditioning Systems

In 1969, ACS Air Conditioning Systems opened our doors as a Carrier dealer with the idea of providing Bay Area families with comfort solutions that fit their lifestyles and budgets.

We have a lot to be proud of here at ACS Air Conditioning Systems. Not only are we the oldest Carrier dealer in the region, but more importantly, our attention to detail and product knowledge have won over clients time and again. In fact, we are a Better Business Bureau Accredited A+ Rated company. We specialize in residential systems, with an eye towards energy savings and indoor comfort. When you call to schedule an appointment, we take the time to listen and walk you through common heating and cooling issues. We will schedule a convenient time for our service technician or estimator to come out and assess your problem. Our technicians are all highly trained Sheet Metal Local Union No. 104 workers ~ the best in the industry. They show up on time and will always respect your home and furnishings.

After over 40 years as a family owned business and Carrier authorized dealer, we have earned our reputation. We are state licensed, bonded and fully insured for your protection. We will always be here to honor our warranties and to ensure your complete satisfaction.

We can show you how to save energy and be more comfortable. It is our goal to provide you with the information that you need to make an informed decision. We are committed to no pressure sales, including our technicians.