Business Details
47 Years
experience
Emergency
services
Expert HVAC Services in Phoenix, AZ
Sun State Refrigeration has been a trusted local specialist in HVAC and refrigeration since 1979. We are a family-owned business committed to delivering fast, expert service and honest pricing. Our certified technicians focus exclusively on HVAC systems, ensuring homes and businesses in Phoenix maintain optimal comfort. With over 45 years of experience, we prioritize open communication, reliability, and transparency. Our team avoids high-pressure sales tactics, offering free second opinions and energy-efficient solutions tailored to Arizona's climate. We serve Phoenix, Scottsdale, Glendale, and surrounding areas, maintaining a strong reputation for integrity and technical expertise.Our A+ BBB rating and 5-star customer reviews reflect our dedication to customer satisfaction. We specialize in residential and commercial HVAC repair, maintenance, and replacement, including restaurant refrigeration systems. Our founders' background in the restaurant industry informs our deep understanding of commercial cooling needs. We guarantee prompt emergency response and emphasize preventive maintenance to extend system longevity.
Services
AC Repair
Heating Repair
HVAC Maintenance
Restaurant HVAC
AC Replacement
Details
- Year established: 1979
Highlights and features
- 45+ years of HVAC specialization in Phoenix climate conditions
- Certified technicians with no cross-training in plumbing
- A+ BBB rating with transparent pricing policy
- Emergency HVAC response available 7 days a week
- Family-owned business serving local community since 1979
Associations and certifications
- Better Business Bureau (BBB)
What people say
Fast emergency service
Honest pricing policy
Professional technicians
No pressure sales
Energy-efficient solutions
Services
AC Repair
Our certified technicians provide fast, reliable AC repair services for residential and commercial properties. We diagnose and fix cooling system issues using state-of-the-art diagnostic tools. Our specialists handle capacitor replacements, refrigerant leaks, and complete system diagnostics while maintaining energy efficiency.
Heating Repair
We offer comprehensive heating system maintenance and repair services for furnaces and heat pumps. Our technicians perform safety checks, component cleaning, and thermostat calibration. We address common issues like insufficient heat production and unusual system noises while ensuring optimal energy performance.
HVAC Maintenance
Our preventive maintenance plans include comprehensive system inspections and tune-ups. We clean components, replace filters, and lubricate moving parts to extend equipment lifespan. Regular maintenance improves energy efficiency and prevents unexpected breakdowns during peak usage periods.
Restaurant HVAC
Specialized HVAC solutions for restaurants maintain food safety and comfort. We service commercial refrigeration systems, beer/wine cooling units, and ventilation systems. Our technicians understand health code requirements and provide 24/7 emergency service for critical cooling needs.
AC Replacement
We help homeowners decide when AC replacement becomes more cost-effective than repairs. Our team installs energy-efficient systems that reduce utility bills by up to 40%. We handle proper refrigerant handling and old unit removal while ensuring correct system sizing for Arizona's climate.
People
Mark Gresin
Founder
Phoenix native Mark Gresin founded Sun State Refrigeration in 1979 after military service and restaurant industry experience. His firsthand knowledge of commercial cooling needs shaped the company's focus on specialized HVAC services. He maintains active involvement in operations.
Sean Gresin
Owner/Partner/Tech
Sean Gresin leads daily operations as second-generation owner. With hands-on technical expertise and business management experience, he ensures service quality standards while continuing field technician work. He represents the company's commitment to hands-on leadership.
Dorena Gresin
Office Manager
Dorena Gresin manages office operations and customer service. Her administrative expertise ensures smooth scheduling and client communication. She plays key role in maintaining the company's A+ BBB rating through transparent business practices.
Rob Simone
Lead Tech
Lead technician Rob Simone provides expert HVAC service with professional diagnostics and clear customer communication. With extensive experience in residential and commercial systems, he consistently receives customer praise for thorough explanations and quality workmanship.
Steven Ward
Lead Tech
Steven Ward combines technical expertise with customer service focus as lead technician. He specializes in complex system diagnostics and energy efficiency optimization. His work emphasizes long-term solutions over temporary fixes, aligning with company values.
Questions
What HVAC services do you offer in Phoenix?
We provide AC repair, heating repair, HVAC maintenance, restaurant refrigeration services, and AC replacement for residential and commercial clients in Phoenix and surrounding areas.
Are your technicians certified HVAC specialists?
Yes, all our technicians are certified HVAC professionals with no cross-training in plumbing or electrical work. We maintain strict specialization in heating, ventilation, and air conditioning systems.
Do you offer emergency HVAC service?
We provide emergency HVAC repair services 7 days a week. Our technicians respond promptly to critical cooling and heating needs during Phoenix's extreme weather conditions.
Why choose Sun State HVAC over competitors?
We offer honest pricing, certified specialists, and 45+ years of local experience. Our A+ BBB rating, free second opinions, and focus on technical expertise rather than sales tactics set us apart from competitors.
How do you handle AC replacement decisions?
We provide honest assessments considering system age, repair costs, and efficiency. Our technicians explain all options with transparent pricing to help customers make informed decisions about AC replacement.
What service areas do you cover?
We serve Phoenix, Scottsdale, Glendale, and surrounding Arizona communities. Our local technicians provide same-day service for most emergency HVAC repair requests within these areas.
