We take pride in providing the highest levels of customer satisfaction.

For over 34 years we have provided homeowners and contractors in Southern Arizona with the proper heating and cooling installation and service to meet their specific needs. At Hamstra, word-of-mouth advertising and recommendations mean everything to us. That’s why your absolute satisfaction is our most important goal – and why we have more than 2,000 positive and verified reviews.

You know you can expect quality service from Hamstra because we’ve been listed on Angie’s List Super Service List every year since 2008, and we employ the most N.A.T.E. technicians in the state of Arizona!

Angie's List Award

For Homeowners

  • Service/repair of all brands of air conditioning equipment
  • Installation of air conditioning systems, heat pumps, furnaces, ductless mini-splits, ductwork, ventilation equipment, filtration, humidifiers, thermostats, and sheetmetal flashing/gutter/downspout
  • Duct sealing using Aeroseal duct sealing technology to lower your energy bills
  • Annual maintenance programs for of all brands of A/C equipment (no better way to avoid costly repairs!)
  • Hamstra Heating & Cooling Proudly Employs the Most North American Technical Excellence (N.A.T.E.) Technicians in Arizona

Contractor Services

  • Residential and light commercial (restaurants, offices, small retail spaces)
  • Installation of air conditioning equipment, heat pumps, furnaces, ductless mini-splits, ductwork, ventilation equipment, filtration, humidifiers, thermostats, and sheetmetal flashing/gutter/downspout
  • Design-Build services
  • Professional system sizing and duct design
  • Consultation services
Call us today:
(520) 629-9833

The Hamstra Heating and Cooling Team

Prolong Equipment Life

Maximize Efficiency

Avoid Downtime

Regular Hours

Monday - Friday: 7:00 am - 5:00 pm
Saturday & Sunday: Closed

After Hour Service

Monday – Friday: 5:00 pm - 7:00 am
Saturday & Sunday: 24 Hours

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What Our Customers are Saying

We were interested in a state of the art high efficiency cooling and heating system and your staff provided us a solution. Combined with our new roof insulation and solar hot water system, we look forward to declining energy costs and increased home comfort in years to come.
David SchallerHomeowner
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BBB Accredited Business since 08/01/1993 Check out our reviews on Angie's List Building Performance Institute AeroSeal Duct Sealing North American Technical Excellence (N.A.T.E) Technicians Day and Night Heating and Cooling Products