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We are one of the only Diamond Elite Contractors for Mitsubishi electric in Sonoma County. We specialize in multi zone, single zone and ducted high efficient Mitsubishi heat pump systems. Our goal is to help homeowners reduce their over all energy footprint while maximizing their home comfort level.

Ongaro & Sons Plumbing-Heating-Cooling

Contractor CSLB License Number 215233
Financing Certified
BayREN Certified


Mini-Split Heat Pump

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*Financing Certified = SCP On-Bill Financing certified