Hours: We offer 24/7 emergency service.

16602 N 25th Ave, Phoenix, AZ 85023

(602) 362-4599

Menu
The Price You See Is The Price You Pay

Quality Home Services

Build Your Own System

hvac tech and ductless ac unit
Current Specials
Current Specials

View All

group of ac units
Financing
New System Financing

Learn & Apply

woman using thermostat
Energy Audit
Energy Audits

Schedule Yours

black AC unit
Maintenance Plans
Maintenance Plan

Learn More

The Preferred Air Conditioning Company of Phoenix, AZ

The Grand Canyon State’s Best HVAC Services

At Desert Diamond Mechanical Heating & Air Conditioning, we know Phoenix weather! As a local AC company, we take great pride in the quality of the products and services we provide to our neighbors in the Valleywide community. We hire talented technicians, who are also local homeowners with firsthand knowledge of living and working in Phoenix, Scottsdale, Peoria, Glendale, Mesa, Sun City, & Surprise, AZ.

What our customers are saying
Customer Reviews

Great company was helpful win mine and my fiancées schedule and just worked with us. Couldnt of asked for a better experience.

Jakob K.

The technicians that performed the work carried over the same attention to detail. Even the thermostat is high quality and user friendly.

Steve S.

From home visit to prep the quote, to heating and air conditioning installation, Andrew, the office staff, and installers were professional and courteous.

Dar S.

Desert Diamond did a super job replacing our heat pump. Every aspect of this experience was done very professionally. The estimate was top notch and everything was explained in great detail.

Lloyd L.
Our Services
background image
Air Conditioning Service
background image
Air Conditioning Replacement
woman using thermostat
Indoor Air Quality
Indoor Air Quality
background image
Ductless Air
Ductless A/C
background image
Duct Sealing
Duct Sealing
background image
Air Purification
Air Purification
background image
Attic Insulation
Attic Insulation
group of ac units
Heat Pumps
Heat Pumps
Providing Quality Solutions Since 2012
Full HVAC Service in Phoenix

Homeowners across Valleywide choose Desert Diamond Mechanical Heating & Air Conditioning for whole-home temperature solutions. Our small business offers a full range of unbeatable heating and AC systems and services. Contact us for comprehensive energy audits, air duct sealing, attic insulation, seasonal maintenance, new system replacement and installation, emergency repairs and more!

Desert Diamond Mechanical Heating & Air Conditioning offers a range of healthy home solutions, including the REME Halo Whole Home Air Purification System. The REME Halo has been used in homes and businesses worldwide, and has been shown to kill up to 99% of airborne and surface bacteria, mold and viruses. Learn More…

REME HALO Inactivates SARS-CoV-2 by 99.9% RGF® Environmental Group, Inc., a leading environmental design and manufacturing company, has released the results of a third-party study that reveal REME HALO® efficacy of 99.9% against the SARS-CoV-2 virus, commonly known as the coronavirus 2019 or COVID-19.

Click here to see the results of the study.

When temperatures escalate, air conditioning is an absolute necessity. Desert Diamond Mechanical Heating & Air Conditioning will not leave you in the heat! We provide advanced temperature control solutions. Call us anytime for emergency AC repair, or schedule an appointment during regular business hours for maintenance.

If it’s time to replace your system, we do those, too! We install central air conditioners, ductless systems, and heat pumps. Contact us for air conditioning service in Phoenix, Scottsdale, Peoria, Glendale, Mesa, Sun City, & Surprise, AZ.

Full-Service Air Conditioning & Heating Company 85027
HVAC Repair & Service Near Phoenix, AZ

Expert HVAC Repair & Service in Phoenix

If you have a malfunctioning air conditioner or heating system, don’t wait for it to break down! Our HVAC technicians are on-call any time of the day to assist you with AC repair and heating repair in Phoenix, Scottsdale, Peoria, Glendale, Mesa, Sun City, & Surprise, AZ. Call us for expert HVAC repair service in Phoenix and the surrounding area.

AC Installation & HVAC Installation in Phoenix, AZ

Is it time to replace your cooling and heating system? Desert Diamond Mechanical Heating & Air Conditioning is a Trane Comfort Specialist, and fully licensed dealer of Rheem products. We provide thorough evaluations and custom recommendations. Schedule an appointment with our team of installation specialists to receive a unique solution, an industry-leading system, and accurate installation.

In addition to cooling and heating, Desert Diamond Mechanical Heating & Air Conditioning offers in-depth home performance SRP and APS energy efficiency audits. If you have not had your home inspected, then call (602) 362-4599. We’ll identify trouble areas in your home that lead to energy waste, and provide proven solutions to optimize efficiency while reducing utility costs. Call (602) 362-4599 to schedule an appointment with an energy auditor.

Home Performance Energy Audit Phoenix AZ 85027 | SRP Energy Audit & APS Energy Audit

Financing Options For Everyone!
Special Financing for 60 months with approved credit.
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
10 Year Labor Warranty
Desert Diamond offers a 10 Year Labor Warranty on select Air Conditioning & Heating Systems!
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
FREE Second Opinion On Repair
Diagnostics for repairs NOT included in free second opinions.
Other restrictions may apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
Get 10% Off Aeroseal Duct Sealing
Save 10% on Aeroseal duct sealing service from Desert Diamond. Contact us for details.
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
FREE In-Home Estimate on New Installation
Or you can price your own system online at no additional cost.
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
Safety Check & Tune-Up $69.95!
Get your HVAC System cleaned by our expert technicians with an included full 39 point safety inspection for just $69.95!
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
12 Year Compressor Warranty
Receive a 12 Year Compressor Warranty when you purchase any Trane XV system.
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.
Year End Blowout Sale
Limited Time! While Supplies Last

All Complete Heating & Cooling Systems.

Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Sale prices are here until our 2021 stock has been depleted. Call now to schedule a free in-home, no obligation estimate!
Get a Utility Rebate up to $1,125
Purchase a qualifying Trane system to receive up to $1,125 in rebates from SRP. Contact us to learn more.
Some restrictions apply. Offers not valid when combined with other offers, or on previous service visits. Not available on all makes & models. Please contact the Desert Diamond team for more details.

AC Service, Heating and Cooling, AC Repair, AC Installation & Air Conditioning Repair Phoenix, AZ, Glendale, AZ, Surprise, AZ, Peoria, AZ & Scottsdale, AZ

AC Repair Near Me Scottsdale, AZ | AC Installation Surprise, AZ | AC Maintenance Glendale, AZ

AC Repair Near MeCentral Air Conditioning ServiceHeat Pump InstallationHeating RepairHVAC Repair ∴ Surprise, AZ ∴ Peoria, AZ ∴ Glendale, AZ

desert diamond favicon

Looking For A Career In HVAC?
We Are Hiring!

We’re looking to add capable and reliable people to our team. If you’re interested in a career in HVAC, then we’d love to hear from you.

Learn & Apply

AC Replacement

AC Repair Near Me

AC Maintenance

Heating Repair

Heat Pump Installation

Central Air Conditioning Service

HVAC Repair

Mesa, AZ

Glendale, AZ

Peoria, AZ

Surprise, AZ

Sun City, AZ

Scottsdale, AZ

Phoenix, AZ