Heating & Cooling Services Contra Costa County

Expert Heating Services

Heating And Cooling Specialist At Connolly Heating and Air Conditioning, we are committed to keeping Northern California homes and businesses warm during the cool winter months. If you need a new heating system installed or a furnace repaired, our experts will take care of all heating troubles, no matter how challenging. Our goal is to keep our customers warm and worry-free at all times!

Cooling Services That You Can Trust

In Northern California, it’s important to have a skilled HVAC expert on hand, especially in the hot summer. At Connolly Heating and Air Conditioning, our NATE-certified technicians provide the cooling solutions needed for your home or business. Whether you are looking to install a new air conditioner or repair a broken system, our team is at your service from inquiry to installation.

Installations, Replacements, Repairs, & Maintenance

We perform a variety of services including installations, replacements, repairs and maintenance of heating and cooling systems. When it comes to your HVAC equipment, our technicians will get the job done right the first time. Providing comprehensive and detailed solutions, our team will help you determine what’s best for your home or business. As a Factory Authorized Carrier® Dealer, we offer quiet, efficient systems that will deliver maximum indoor comfort.

We Are Diamond Certified!

Connolly Heating and Air Conditioning is a local, diamond-certified company known for excellence and high quality. This prestigious title portrays our dedication to customer satisfaction, quality control and helpful expertise. Our team takes great care of every customer, no matter how simple the job. Turn to us when you have any HVAC concerns!

Contact Our Team Today

With Connolly Heating and Air Conditioning, you’ll no longer suffer from poor HVAC performance. Our team will provide expert installations, repairs and maintenance as needed! Call our team at (925) 288-1408 to schedule an appointment or submit an online request to get started immediately.