Call (602) 362-4599 for 24/7 Emergency Service

You can depend on Desert Diamond Mechanical Heating & Cooling of Phoenix, Arizona for your home or business’s HVAC needs. Contact us at any time for information about our HVAC services or to schedule an appointment.

We provide heating and cooling services in Phoenix and surrounding communities, including Glendale, Sun City, Goodyear, Carefree, and Peoria. Our technicians can perform repairs, maintenance, and new system installations for any size home or business. Call today for a free estimate!

At Desert Diamond Mechanical, we accept cash, Mastercard, Visa, Discover, and American Express. Financing is also available with approved credit. The Better Business Bureau has awarded us an “A+” rating. We’re a Trane Comfort Specialist, and licensed dealer of Trane, Rheem, and Ameristar products.

Hours of Operation

Monday • 8:00 AM – 5:00 PM
Tuesday • 8:00 AM – 5:00 PM
Wednesday • 8:00 AM – 5:00 PM
Thursday • 8:00 AM – 5:00 PM
Friday • 8:00 AM – 5:00 PM
Saturday • 8:00 AM – 3:00 PM
Sunday • 8:00 AM – 12:00 PM