When heating and cooling issues arise it is important to choose quality products that will maximize comfort without stretching the budget. GQ’s technicians are trained to install, service, replace and repair all air conditioning and furnace systems. We stand behind our services and our company. All our work is guaranteed.

Choosing the right heating or cooling comfort system for your home is a big decision. But it doesn’t have to be a frustrating process. Our experts are available to discuss your heating and cooling needs and answer all of your questions. We will come out to your property and assess your home’s architecture and duct system. Then we can provide you with honest advice and recommend systems that will best fit your needs and budget. Remember, all estimates are free.



  • Air conditioning systems
  • Furnace systems
  • Floor furnace
  • Wall furnace
  • Outdoor duct furnaces
  • Gravity furnaces

  • Thermostats
  • Whole House Fans
  • Swamp coolers
  • Gas and oil fired boilers
  • Air ducts
  • Refrigerants
  • Zoning
  • Mini splits
  • Cooling towers
  • Semi hermetic compressors
  • Hermetic compressors
  • Electronic air cleaners
  • Heat pumps
  • Air filters

If you don’t see what you need here, just call us. This is not an exhaustive list of products. For more details on services offered see heating, cooling or maintenance.

Call Today: 909-991-6200

Service Areas

Alta Loma, CA • Bloomington, CA • Corona, CA • Colton, CA • Claremont, CA • Chino, CA • Chino Hills, CA • Diamond Bar, CA • Fontana, CA • Grand Terrace, CA • Glen Avon, CA • Highland, CA • Loma Linda, CA • La Verne, CA • Montclair, CA • Mira Loma, CA • Moreno Valley, CA • Norco, CA • Ontario, CA • Pomona, CA • Rialto, CA • Rancho Cucamonga, CA • Riverside, CA • Redlands, CA • San Dimas, CA • Upland, CA 

Please call us at (909) 991-6200 to see if we cover your area if your city is not listed above.