A visit to the Concord HVAC website will give you a lot of information about this business. You can also search for heating and cooling contractors in the general area of your home. If you don’t feel comfortable trying to sort through the phone book to find a contractor, you can use the phone feature on the site. The phone feature allows you to search for contractors in your zip code or area code. This makes it very convenient to be able to contact your contractor with questions and concerns.