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!
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
At Connolly Heating and Air Conditioning, we know how important clean indoor air quality is for your home. Our team specializes in offering whole-house solutions to keep you and your loved ones healthy, comfortable, and safe throughout the year.
Improving the indoor air quality (IAQ) at your Martinez home or business makes sense on so many levels. Consider your health, your comfort, and your household budget. It’s hard to imagine a more important investment than improving the air you breathe!
Awards and Certifications
Our Maintenance Plans
Peace of mind with year-round protection!