Your CaliforniaAir Care Specialists
Industry-Leading HVAC Experts
ESTABLISHED IN 1992, Connolly Heating and Air Conditioning is an air care specialist that serves communities in Contra Costa County with superior heating and air conditioning services and products. Our team’s goal is to provide outstanding professionalism, premier solutions, and long-lasting results for residential and commercial customers. At Connolly Heating and Air Conditioning, we strive for 100 percent satisfaction in everything we do. Choose Connolly as your trusted HVAC provider!
Leading our industry in air care comfort
We Have Financing Options Available!
We Service All Makes and Brands!
We’re a Carrier Factory Authorized Dealer
Carrier Authorized Dealers work hard for this designation. And all their experience and work is for one purpose—to create comfortable homes and satisfied customers. So when you need a new system, or it’s time to service or repair your current equipment, you can trust you’re working with the best in the business.
The Connolly Blog
5 Ways to Improve Your Indoor Air Quality
What do you think of when you hear about air pollution? You might immediately imagine a giant cloud of smoke, cars spewing exhaust, or a trash incinerator––but have you ever thought about your own home in Concord?
Video – When Do I Need to Replace the Batteries in My Smoke Detector?
Change the batteries in your smoke and CO detectors when you change your clocks for daylight savings. It’s an easy reminder to replace them and is very important for your safety!
Planning to Remodel? Go Ductless!
A ductless system, also known as a mini split, can add comfort to areas of your California home where ductwork cannot reach.
Awards and Certifications
Our Maintenance Plans
Peace of mind with year-round protection!