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Buderus Condensing Boiler (90% AFUE) GB142

 The GB142 comes in 4 btu/h sizes with AFUE ratings as high as 95%

"Craig was the initial contact and he was great about educating me about the system he thought would best serve the needs of our home. Joel & Jesse...

Susan - Fall City, WA

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"Steve & Robert - very professional, courteous and worked very quietly while I worked from home office."

Manny - Woodinville, WA

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"It was a pleasure doing business with MM Comfort Systems. Each person i spoke with, either on the phone or in person, was polite and helpful..."

Daniel & Kandi - Sammamish, WA

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