G6 Air Conditioning & Heating FontanaHVAC contractor in Fontana, CA

G6 Air Conditioning & Heating Fontana is ranked #5 of 690 HVAC contractors in Fontana by CR Score, with 64 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

G6 Air Conditioning & Heating Fontana is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Fontana and 11 towns within 25 miles: Bloomington, Rialto, Glen Avon, Sunnyslope, Muscoy, Rancho Cucamonga, Rubidoux, Jurupa Valley, Colton, Pedley and San Bernardino. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

G6 Air Conditioning & Heating Fontana has a rating of 5.0 from 209 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call G6 Air Conditioning & Heating Fontana on (909) 600-1999. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.