Company Blog

Jennifer P.

April 17, 2026

HVAC Short Cycling Explained

If you are experiencing inconsistent temperatures or frequent system starts and stops in your Concord, CA home, you may be dealing with HVAC short cycling. [...]

Jennifer P.

March 16, 2026

5 Reasons for Uneven Cooling and Heating in Your Home

Experiencing uneven temperatures throughout your home can make any season in Concord uncomfortable, especially as warm Springs shift into hot, dry summers or when cooler [...]

Jennifer P.

February 17, 2026

5 Simple Habits to Improve Your HVAC Efficiency

Your home's HVAC efficiency plays a big part in your comfort and monthly energy bills, especially when coping with the diverse weather around Concord. Fortunately, [...]

Jennifer P.

January 16, 2026

The Importance of Changing Your Furnace Filter Regularly

Changing your furnace filter is one of the simplest yet most important steps in maintaining your HVAC system. A clean filter supports better airflow, improves [...]

Jennifer P.

December 16, 2025

Understanding Heat Pump Aux Heat

Heat pumps are a popular and energy-efficient choice for heating and cooling homes. However, during the colder months, homeowners may notice their system switching to [...]

HVAC Installation & Repair

We specialize in installing, servicing and repairing residential and commercial heating and air conditioning systems, and our team of union-trained technicians will show your property the utmost respect on each and every call for HVAC services. We are your comprehensive solution to all your heating and air conditioning needs, so contact us for a free quote today!

Our Reviews

What Our Customers Say

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...

Karen K.

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...

Barbara S.

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...

Cap H.

Very prompt reasonable and real professionals installing. Highly recommend

Dave

Nicest people I have ever met and very knowledgable installers and techs! Thanks for everything A.C.S!

James Wilson

Timely and effective. I didn't get to meet my technician but I understand that he was pretty nice.

Cherie Ham

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