About FRNC
FRNC, Inc. is a design and build mechanical contractor in Sterling serving Northern Virginia and Maryland, mainly new construction. Since 1988 it has installed residential furnace and air conditioning systems for area builders, with an engineering department that runs a separate heating and cooling load calculation for each lot using Manual J software, for both production and custom homes. Commercial services include VRF systems, and a dedicated line takes calls from new home warranty customers. The company reports over 35 years in HVAC and lists current and completed projects. Rated 1.1 from 10 Google reviews, 9 of them one star.
Services and details
Residential heating and cooling repair
YesCommercial HVAC
Yes
No information yet on 24/7 emergency service, heat pump installation and repair, ductless mini-split systems, gas and oil furnace service, geothermal systems, maintenance plans or tune-ups, financing available, free estimates on replacements, indoor air quality and duct work, states a Virginia contractor license, states EPA 608 or NATE certification, se habla español. The website did not say; call and ask.
Contact
- (703) 450-7777
- 42731 Trade W Dr Ste 100, Sterling, VA 20166
- Website
- View on Google Maps
Listing compiled from public sources on 2026-11-05. Report a correction or request removal. Back to HVAC contractors in Sterling.