LoudounHeating & Cooling
Home/System not working?

When your system stops working

No heat or AC? Start here.

For a repair you need now, call a local HVAC business directly and ask when they can attend. The contacts below give you a place to start; today’s availability must be confirmed with the business.

See local contact options

Local businesses you can contact directly

These businesses describe heating and cooling service in Loudoun County on their own websites. Listed alphabetically, as public contact options, not partners or endorsements. We have not checked their licenses, insurance or current availability.

Contact details and service descriptions checked against the linked company websites on September 22, 2026.

Call buttons connect directly to the listed businesses. We do not receive or forward the details you share during those calls. There is no confirmed contractor partnership or paid placement on this list.

A quick script for the call

“I’m in [your town]. My [heating or AC] stopped working [when]. I’ve noticed [what is happening]. Do you cover my address, and what is your earliest appointment? What does the initial visit cost, and how do you approve any additional work?”

If a business cannot help soon enough, try another contact. Have the system type and recent service details ready if you already know them; you do not need every answer before calling.

Before agreeing to work

Ask for the contracting business name, Virginia contractor license number and insurance details. Check the business in Virginia DPOR’s license lookup and ask for the proposed work and charges in writing.

Virginia DPOR license lookup

Have time to compare your options?

Use the repair guides to organize symptoms or the quote guide to compare a proposed replacement.