Diamond AC and Heating

When your air conditioner quits in 115-degree heat, you need an HVAC team that shows up fast and gets it right the first time. Diamond AC & Heating has served homeowners and businesses across the Phoenix Valley since 2008 as a family-owned, licensed contractor (Arizona ROC #321659 ). We provide expert AC repair, air conditioning installation, heating and furnace service, and indoor air quality solutions — backed by upfront pricing and 24/7 emergency availability.

Whether you’re facing a sudden breakdown, weighing a new system installation, or scheduling a seasonal tune-up, we make the process simple and transparent. Our technicians diagnose the real problem instead of guessing, explain your options in plain terms, and give you a firm price before any work begins — so there are no surprises on the bill. We service both residential and commercial properties throughout Phoenix, Scottsdale, Mesa, Chandler, Glendale, Tempe, Peoria, Gilbert, and surrounding communities.

Our full range of services includes AC repair and replacement, furnace and heat pump repair, ductwork and duct cleaning, smart thermostats, air purification, and preventive maintenance plans that help…