One Hour Heating & Air ConditioningHVAC contractor in Aliso Viejo, CA

One Hour Heating & Air Conditioning is ranked #18 of 663 HVAC contractors in Aliso Viejo by CR Score, with 62 out of 100 as of October 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.

One Hour Heating & Air Conditioning 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 Aliso Viejo and 11 towns within 25 miles: Laguna Woods, Laguna Hills, Laguna Beach, Mission Viejo, Laguna Niguel, Lake Forest, Ladera Ranch, San Juan Capistrano, Irvine, Dana Point and Foothill Ranch. 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.

One Hour Heating & Air Conditioning has a rating of 5.0 from 54 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 One Hour Heating & Air Conditioning on (949) 464-7748. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.