North American Technical Excellence

(N.A.T.E.) Technicians

North American Technical Excellence (N.A.T.E.) TechniciansHamstra Heating & Cooling Proudly Employs the Most North American Technical Excellence (N.A.T.E.) Technicians. As of April 2015 Hamstra now employs 33 N.A.T.E. certified technicians – the most of any company in all of Arizona! What does that mean to you, the customer? It means that the technician working in your home has completed exhaustive training and testing and has the highest level of heating, cooling and ventilation certification available in North America. They are educated to solve almost every problem you can imagine, and for you that means peace of mind knowing that a TRUE professional is solving your problems with integrity and expertise.

Learn how a NATE certified HVAC professional can provide you with greater product efficiency, increased home comfort and added peace of mind.

Regular Hours

Monday - Friday: 7:00 am - 6:00 pm
Saturday: 8:00 am - 5:00 pm
Sunday: Closed

Emergency Hours

24 hour Emergency Service Available

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What Our Customers are Saying

Quality work, very professional. We are very happy with our new system and we thank you.
Anthony YgleciasHomeowner
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