Is this your business?
Claim your listing to verify your info and earn a verified badge.
Claim This BusinessHasco Heating Air Conditioning Services Co operates from Riverside, California, delivering heating and cooling solutions to homeowners across the Inland Empire. The company maintains a 4.7-star rating drawn from 114 client reviews, reflecting consistent service quality that residents trust for their residential climate systems. Their 24-hour availability ensures that whether a weekend heat wave or a midwinter furnace failure strikes, customers can reach qualified technicians without delay. Service area spans Riverside proper and extends to neighboring communities where indoor comfort depends on reliable HVAC equipment.
What distinguishes Hasco from typical contractors is their dedication to combustion safety and system optimization. During service calls, technicians perform diagnostic procedures that go beyond routine repairs, including carbon monoxide testing and combustion analysis for tankless water heaters. This attention to safety details helps identify programming or gas pressure irregularities that may have compromised appliance performance for years. Reviews indicate they correct issues that other local companies could not resolve, suggesting diagnostic expertise and proper tooling that saves homeowners from repeated service calls.
Customer experiences reveal the technicians behind the reputation. Chase arrived at a customer's home late Friday afternoon before a holiday weekend when an AC unit failed, restoring comfort against the odds. Amber Zhou's review describes Roy and Chris performing a meticulous combustion analysis on a tankless water heater, carefully documenting test data while explaining each step to help the homeowner understand her system's condition. Another reviewer noted technicians repaired attic damage from their unit installation without being prompted, demonstrating honesty that builds lasting client relationships.
All five featured reviewers awarded 5-star ratings, with three specifically naming technicians Chase, Roy, Chris, Matt, or Abraham. Multiple reviews highlight same-day or holiday weekend emergency response, while combustion safety testing appears in two reviews as a distinctive service other companies could not provide.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnosis, same-day repair, and seasonal tune-ups for air conditioning systems that keep homes cool during Riverside heat.
Furnace repair, heat pump maintenance, and wall heater replacement for reliable winter warmth.
Combustion analysis, carbon monoxide testing, and gas pressure calibration for safety and efficiency.
Twice-yearly service agreements that maintain system performance and extend equipment lifespan.
24-hour availability including holidays and weekends for system failures requiring immediate attention.
Testing and recommendations to ensure healthy air circulation throughout the home.