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49 Years
experience
Emergency
services
Your Trusted Arizona HVAC Experts Since 1977
Ferrin Brothers has served Arizona residents since 1977, establishing itself as a trusted leader in air conditioning and heating solutions. Founded by Larry and Doug Ferrin, the company prioritized integrity and ethical practices from its inception, values that continue under current owner Rob Ferrin. With over 34 years of experience, we specialize in residential and commercial HVAC services, including repairs, maintenance, system replacements, and energy-efficient upgrades. Our team of certified technicians prioritizes customer needs over sales, offering honest assessments and transparent pricing.

We maintain a perfect record with the Arizona Registrar of Contractors and are Fannie Mae/Freddie Mac approved, reflecting our commitment to quality and reliability. Our dedication to community, environmental responsibility, and customer satisfaction has earned us a loyal client base through word-of-mouth referrals. By combining technical expertise with core values of diligence and goodwill, we ensure every client receives efficient, trustworthy service tailored to their specific needs.
Services
AC Repair Heating Service Maintenance System Replacement Air Quality Control Energy Conservation Commercial HVAC
Details
  • Year established: 1977
Highlights and features
  • 34 years of Arizona-specific HVAC expertise
  • Non-commissioned technicians prioritize customer needs
  • Perfect regulatory record with AZ Registrar of Contractors
  • Family-owned business with deep community roots
  • Fannie Mae/Freddie Mac approved contractor
Associations and certifications
  • Arizona Registrar of Contractors
  • Fannie Mae
  • Freddie Mac
What people say
Honest assessments Reliable service Experienced technicians Transparent pricing Family-owned trust
Services
AC Repair
Our certified technicians diagnose and fix all AC issues without upselling unnecessary parts. We specialize in repairing systems of any age or brand while maintaining energy efficiency. Customers receive transparent pricing with no hidden fees, ensuring cost-effective solutions that restore comfort quickly.
Preventative Maintenance
Regular maintenance extends equipment lifespan and improves efficiency. Our $68 tune-up includes comprehensive inspections, coil cleaning, refrigerant checks, and airflow optimization. This service helps prevent breakdowns while maintaining manufacturer warranty validity through proper system care.
Heating Services
We provide complete heating system diagnostics and repairs for residential and commercial properties. Our technicians handle furnace maintenance, heat pump repairs, and emergency heating services while ensuring optimal energy consumption and indoor comfort during Arizona winters.
Air Quality Solutions
Our air quality assessments identify pollutants and recommend solutions like HEPA filters, UV purification systems, and humidity control. We address mold, allergens, and ventilation issues to create healthier living and working environments through customized HVAC modifications.
Commercial HVAC
We service commercial properties including office buildings, schools, and restaurants. Our services include system audits, energy efficiency upgrades, and emergency repairs with minimal business disruption. As Fannie Mae approved contractors, we handle real estate transaction HVAC requirements and large-scale system maintenance.
People
Rob Ferrin
Owner
Third-generation HVAC expert with 25+ years experience, Rob Ferrin leads with the same integrity values established by his father. He maintains daily involvement in operations while ensuring customer satisfaction remains the company's top priority.
Larry Ferrin
Founder
Co-founder of Ferrin Brothers in 1977, Larry established the company's ethical foundation. His legacy of honest service continues through his son Rob and the company's ongoing commitment to Arizona communities.
Questions
How can I tell if my AC needs repair?
Signs include strange noises, inconsistent cooling, warm air output, or sudden efficiency drops. Contact us for honest diagnostics.
Do you offer emergency HVAC services?
Yes, we provide emergency repairs for critical AC/heating failures during regular business hours.
What makes your technicians different from competitors?
Our non-commissioned technicians prioritize repairs over sales, with 34 years of combined Arizona-specific HVAC expertise.
How often should I schedule AC maintenance?
Annual preventative maintenance is recommended to optimize efficiency and extend system lifespan.
Are your services eco-friendly?
Yes, we specialize in energy-efficient upgrades and use environmentally responsible refrigerants like R410a.
Do you service commercial HVAC systems?
Yes, we handle inspections, repairs, and installations for commercial buildings including schools and restaurants.