Guaranteed Quality Heating and Air
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Claim This BusinessAbout Guaranteed Quality Heating and Air
Guaranteed Quality Heating and Air operates out of Irvine, serving customers across Orange County, Riverside, San Bernardino, and the Greater Los Angeles area. With 144 verified customer reviews holding a 4.6-star average, the contractor has built a solid track record since its founding. The team holds California state HVAC licensing and backs every job with a 100% Satisfaction Guarantee, meaning the work meets expectations or the customer does not pay. Office hours run Monday through Saturday from 7 AM, with reduced Wednesday availability and Sunday closed.
What distinguishes Guaranteed Quality Heating and Air from competitors is the combination of a written workmanship guarantee and a structured VIP Membership Program designed for ongoing system care. The company handles everything from standard split-system air conditioners to ductless mini-split installations and light commercial rooftop units, giving property owners multiple upgrade pathways under one roof. Their website explicitly references emergency service availability, ensuring homeowners are not left sweating through a weekend breakdown with no recourse.
Customer accounts offer concrete snapshots of how jobs unfold. Silva Akoubian described an extended project where installers replaced her aging unit and resolved persistent air-return noise that previous contractors had dismissed, with crew members cleaning their workspace each evening before departure. Ken specifically recommended requesting Phil, a technician he described as having over two decades of hands-on experience diagnosing and repairing heating and cooling equipment, calling out both professional demeanor and diagnostic knowledge during a combined heating and air-conditioning service call.
What Customers Say
Of the three detailed reviews surfaced, two awarded 4 and 5 stars citing technician professionalism and successful installations, while one 1-star account questioned a diagnostic claim about a heat exchanger crack. Phil and James earned direct name recognition in positive reviews, with customers specifically mentioning their communication clarity and expertise.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–8 PM |
| Tuesday | 7 AM–8 PM |
| Wednesday | 7 AM–7 PM |
| ThursdayToday | 7 AM–8 PM |
| Friday | 7 AM–8 PM |
| Saturday | 7 AM–8 PM |
Services
Air Conditioning Installation, Repair, and Maintenance
Full replacement of aging units, diagnostic troubleshooting for warm air or strange noises, and seasonal tune-up service with VIP maintenance enrollment options.
Ductless Mini-Split Systems
Wall-mounted or cassette-style cooling and heating units installed without conventional ductwork, suitable for room additions or whole-home zoning.
Heat Pump Installation and Service
Dual-function systems providing both cooling and heating using refrigerant-based technology, available for residential and light commercial applications.
Furnace Repair and Replacement (Gas and Electric)
Diagnosis of weak airflow, inconsistent heat delivery, or burning odors; complete furnace removal and new unit installation backed by the company's satisfaction guarantee.
Indoor Air Quality Solutions
Air filtration upgrades, whole-home humidifiers and dehumidifiers, UV air purifiers, and duct sealing or replacement to address allergens, humidity balance, and pathogen control.
Zone Control and Smart Thermostat Integration
Multi-zone dampers and programmable or smart thermostat setup allowing individualized temperature settings across different rooms or building levels.
Light Commercial HVAC
Rooftop unit servicing and retrofitting for small businesses, offices, and retail spaces requiring dedicated heating and cooling beyond residential scope.