Dave McCall first did some work for me over 15 years ago, and has installed about two dozen new HVAC units on commercial and residential properties over the years since. His prices are fair; and his work dependable, and he continues to do annual servicing on about 30 units for our commercial tenants and ourselves. Dave is honest and knowledgeable, and I recommend him very highly with a five star rating. Ken Pfrang/Mesa, AZ
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