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Customer Testimonials


I had a crew of three that finished my complete new HVAC system in two short days. They were professional and polite. I went with a really nice furnace and air conditioning system. The walk through was very thorough and they all answered my questions about my new system.. i have nicknamed this crew the "A" TEAM. I am extremely happy with costco, MM comfort systems, and the excellent service. I would recommend this heating and cooling company to anyone looking for a high quality system for their home.

J. Mair

"extremely professional"

Ed M. -

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Company gave us a time and date and were at the house promptly. The fellows working on the installation of the new a/c unit were polite and...

Carol - Seattle

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"competent, courteous, and concerned with our satisfaction"

S. Johnson -

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