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ACS Air Conditioning, Heating, HVAC and Solar Services

Since 1969, ACS Air Conditioning Systems has been providing the East Bay Area, including Pleasant Hill, Lafayette, and Concord, with unrivaled home comfort solutions. We’ve made it our mission to be the best, most knowledgeable, and friendliest HVAC and Solar technicians around. After over 40 years as a family owned business and Carrier® authorized dealer, our attention to detail and product knowledge have won over clients time and again and helped us solidify that reputation. Offering everything from HVAC installation, HVAC repair, and HVAC maintenance to Indoor Air Quality and Solar Energy.  We cater to all types of homes and budgets. Whether your HVAC system needs an expert to nurse it back to health, or you are looking to improve the comfort and energy efficiency of your home – we have the answer. Call us now to find out what offers and promotions we have available!

Do You Need Heating and Air Conditioning Services in the East Bay Area?


Concord CA Air Conditioning and Heating

Premium Indoor Air Comfort and Indoor Air Quality Services

You may be surprised to know that the air in your home is not nearly as clean as you might think it is. Between system leaks, poor filtration, and even the pollution that can be emitted from older systems – you have a lot of low-quality air to contend with. Perhaps you have allergies, or maybe you are concerned by the level of dust you see gathering around your house. With a well-managed indoor air quality control system, you can banish allergens, dust, and other offending pollutants while making your house cleaner, healthier, and more comfortable. As an authorized Carrier® dealer, we offer a wide range of products, from filtration units to humidity control systems, to help ensure that the air in your home is as clean and comfortable as possible. For more information on the indoor air quality (IAQ) solutions we offer to our clients in the East Bay Area, click here or call us at (925) 270-1613.

Energy-Saving HVAC System Maintenance

Did you know that the average American household puts about 3,300 hours of wear and tear on their home HVAC system each year? That is a lot of mechanical stress. The best way to avoid a breakdown while keeping your system running efficiently for the long term is to perform regular maintenance. Just like with your car, performing regular tune-ups can keep your HVAC system running at its peak while reducing energy costs. At ACS, we offer a range of maintenance programs – from one-time check-ups to regularly scheduled maintenance – to help you get the most out of your HVAC system while staving off big, expensive repairs. Best of all, with regular maintenance, you can not only extend the life of your system but also improve its efficiency and reduce your energy bills! Call us at (925) 270-1613 today to find out more about our maintenance service options.

Concord CA Solar Power Installation and Services

Concord, CA Solar Installation and Service Experts

With tax incentives and rebates available, there is no better time than now to upgrade your home to cleaner, more efficient energy. With a small solar array, you can let the sun help power your home while reducing traditional energy consumption. That means you can save green while you go green. Solar panels can be installed on your rooftop and are guaranteed to provide you with clean, renewable energy for at least the next 25 years. And not only will you be helping to better preserve the environment, you’ll be reducing your own energy bills in the process! Call us at (925) 270-1613 today to find out more about our solar energy options.

Furnace service

HVAC System Sales, Installation, and Replacement

Whether you are replacing a failed old unit or you are just looking to upgrade to a more efficient system, ACS can help you get the most bang for your buck while improving your home comfort. We know that a lot of long-term problems stem from improper installations, that’s why our fully trained technicians take the time to provide one-of-a-kind service and assure that the job is done right the first time.

When replacing an old HVAC system, many lesser companies will simply drop in a new unit that they feel approximates your old system sufficiently. Not so for us. Our technicians perform thorough inspections to determine your home’s specific needs while also determining compatibility requirements. We then sit down with you to review options and recommendations so that you can choose an HVAC system that meets your needs and your budget. On top of that, we also offer financing solutions to help you get the system you need now.

Carrier Factory Authorized Dealer

Concord, CA Area’s Oldest and Most Trusted Carrier HVAC Dealer

Since 1969, we have been a proud dealer of Carrier® brand HVAC equipment. Carrier® products have set the standard in the HVAC industry with everything from heaters and furnaces to air conditioning and air quality control systems. Having extensive experience with Carrier® products, we can offer expert advice when it comes time to choose your own home comfort system. Not only that, but as a factory authorized dealer, we can also get you the best available factory rebates and incentives. So you get the best products and unbeatable prices! Click below to shop available products or call us to find out more about current incentives and our installation services.

Do You Have Specific Questions About Air Conditioning and Heating Systems?

ACS Air Conditioning and Heating Phone CTA

What Do Our Customers Think?

The crew was meticulous when cutting into the hard wood floors as well as incorporating the existing old, gravity furnace opening, to the new system in order to not have to cut into my walls. Other than turning on the system and enjoying the heating and air, I would not have known they had been… Read more “Karen K”

Karen K.

ACS has worked with us since we first purchased our present home in 2006. Successively they have installed a new HVAC unit, sealed and replaced older less efficient ducting, and most recently installed a zone system. Doug has always been very prompt with a quotation and ready with answers to many questions we had about… Read more “Cap H”

Cap H.

Just a quick note to thank you for the recent A/C installation. Both Darren and Justin were very thorough with the installation and took the time to explain the process to me. This morning I turned the heater on to remove the overnight chill. I noticed a remarkable difference in the duct output, since Darren… Read more “Barbara S”

Barbara S.

We couldn’t have made a wiser decision than to choose ACS to replace our 30+ year furnace and air conditioning system. We met with three different companies, all with personal recommendations, and ACS was, by far, the most knowledgeable, professional and affordable, apples for apples. The installers were courteous and impeccable. ACS was terrific in… Read more “Rick & Carla C”

Rick & Carla C.

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