Gilliam's Heating & Cooling

4.7(78 reviews on Google)

HVAC contractor listing in Big Stone Gap, VA

About Gilliam's Heating & Cooling

Gilliam's Heating & Cooling is a family-owned company with more than 25 years of local ownership, working from Kingsport, Tennessee and a Weber City office to cover Johnson City, Bristol and southwest Virginia. It sells and services heat pumps, offers 24 hour heating and cooling service, and carries Amana, Bryant, Trane and Carrier-Toshiba minisplit equipment, along with geothermal and variable speed compressor systems. Technicians are NATE certified and service all brands. Estimates on replacements and installations are free, and 36 month financing is available to customers with approved credit. Radon testing is a newer offering, and credit cards are accepted. Rated 4.7 from 78 Google reviews, 70 of them five stars. Confirm the service area before booking, since the main office is in Tennessee.

What reviewers mention: heat pump repair (9), quick response (9), quality work (6), hvac company (5), competent staff (4), quick repair (3), honest work (2), promptness (2), insulated (2), stars (2)

Services and details

  • Residential heating and cooling repair

    Yes

  • 24/7 emergency service

    Yes

  • Heat pump installation and repair

    Yes

  • Ductless mini-split systems

    Yes

  • Geothermal systems

    Yes

  • Financing available

    Yes

  • Free estimates on replacements

    Yes

  • States EPA 608 or NATE certification

    Yes

No information yet on gas and oil furnace service, maintenance plans or tune-ups, indoor air quality and duct work, states a Virginia contractor license, commercial HVAC, se habla español. The website did not say; call and ask.

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Listing compiled from public sources on 2026-11-05. Report a correction or request removal. Back to HVAC contractors in Big Stone Gap.