HVAC Repair Services in Phoenix, AZ
When your HVAC system isn’t performing right, it’s not just inconvenient—it can be costly, uncomfortable, and even unsafe. At Sun State HVAC, we specialize in full-spectrum HVAC repair services in Phoenix, AZ, from residential heating issues to complex commercial cooling challenges. With over 45 years of experience, our certified technicians provide honest, accurate assessments and top-tier service for every job. We’re not just AC techs—we’re full-service HVAC specialists who understand airflow balance, refrigeration, and comfort. Whether you need emergency help or a routine system check, we’ve got your HVAC covered.
Trusted, local, and honest HVAC repair company serving Phoenix since 1979.
Why Choose Honest HVAC Repair Services?
OUR SERVICES
AC Replacement in Phoenix, Az
Is It Time to Replace Your AC Unit?
HVAC systems are essential to maintaining comfortable and efficient environments—especially in restaurants and other commercial buildings. But even the best systems need replacement over time.
At Sun State HVAC, we specialize in commercial HVAC installations and repairs. If you’re unsure whether it’s time for a new system, here are key signs:
System Age: Over 10–15 years? It’s time to consider an upgrade. Older systems are less efficient and more prone to issues.
Frequent Repairs: Regular breakdowns become costly. Replacement can save money and avoid downtime.
Rising Energy Bills: A spike in utilities often points to a struggling HVAC system.
Inconsistent Temperatures: Fluctuations in heating or cooling can disrupt customer comfort and food safety.
Click here to schedule a system replacement with honest, professional advice.
Only Professional HVAC Services
Why Choose Sun State HVAC
We specialize in AC repair services in Phoenix, heating service, air balancing, and refrigeration. Our certified pros are fully dedicated to HVAC — unlike many companies that now shift focus to plumbing.
Some HVAC companies have pivoted toward plumbing services, diluting their core expertise and often delivering lower-quality HVAC work.
We believe in specialization — like choosing a transmission expert for your car instead of a general mechanic. That’s why our techs are laser-focused on heating, ventilation, and air conditioning — and why we proudly deliver honest HVAC repair in Phoenix that homeowners and business owners can trust.
Choose Sun State HVAC for precision-driven, honest service — backed by decades of integrity and built on our promise: “Where Honesty Rules!”
Restaurant HVAC-R
HVAC-R For Restaurants
We offer specialized HVAC-R services tailored to restaurants, helping businesses maintain strict health code compliance while protecting food, beer, and wine.
Our founder, Mark Gresin, grew up in the restaurant industry—his family owned and operated a Delicatessen in Phoenix. That firsthand experience has shaped our deep understanding of what restaurant owners truly need.
From precise air quality control to expert refrigeration, we provide honest HVAC repair in Phoenix with integrity and reliability — especially for restaurants that can’t afford downtime.
You can learn more about us, Mark Gresin, and the team on our Meet the Team page.
Our Services Continued:
AC REPAIR
Phoenix summers can be brutal, with temperatures soaring above 115°F. A malfunctioning air conditioner during these peak months can lead to discomfort and even health risks. That’s why our team focuses on providing honest HVAC repair in Phoenix — not just quick fixes. Our certified technicians are equipped to diagnose and repair AC issues promptly using state-of-the-art diagnostic tools to ensure your system operates efficiently. Regular maintenance can also prevent unexpected breakdowns and extend the lifespan of your unit.
“Need fast residential air conditioner repair? Visit our AC Repair Service page for immediate help.”
HEATING REPAIR
While Phoenix is known for its scorching summers, winter nights can be unexpectedly chilly, with temperatures dropping to the 40s or lower. Ensuring your heating system is in top condition is crucial for those colder months. Our experts specialize in repairing various heating systems, from furnaces to heat pumps. We also offer energy-efficient solutions to keep your home warm without causing a spike in your energy bills.
HVAC MAINTENANCE
Regular HVAC maintenance is key to optimal performance and energy efficiency. Our comprehensive maintenance services include thorough inspections, cleaning of components, filter replacements, and system performance tests. By scheduling routine check-ups, you can prevent minor issues from escalating into major problems, ensuring consistent comfort throughout the year. Additionally, well-maintained systems consume less energy, leading to cost savings on your utility bills.
Why Customers Trust Sun State HVAC
EVERY ANGLE COVERED
With Sun State HVAC you never have to worry that something might be missed.
HVAC On Steroids
HVAC Services on steroids is what you'll receive when you call Sun State HVAC for your HVAC service.
It's your HVAC!
Is your HVAC hanging out of balance? Sun State HVAC knows how to fine tune your Phoenix Arizona system. They're natives at it!
A box of tools?
It takes more than that to get the most out of your HVAC system... It also takes experience and BRAINS!
Sun State HVAC Are People Who Care
Let's Get You Comfortable!
Call us at 602-867-9480 or click below to schedule fast HVAC service from Phoenix’s trusted experts.
(602) 867-9480Serving Phoenix, Scottsdale, Glendale, and other Service Areas.
Meet the Team
Real People. Real Technicians. No Sales Reps.
Meet the team that makes Sun State HVAC the most trusted name in honest air conditioning service in Phoenix.
Owner/Partner/Tech
Founder
Office – Phone – Scheduling Good Cook Too!
Office Manager
Lead Tech
Lead Tech
Owner/Partner/Tech
Founder
Office – Phone – Scheduling Good Cook Too!
Office Manager
Lead Tech
Lead Tech
For General Inquiries
