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*Eligibility for Efficiency Maine rebates is dependent upon customer qualification. See the Efficiency Maine website for details.


Dave’s World is Maine’s most trusted heat pump installer. We’ve installed heat pumps in over 11,000 homes in Maine — and counting! Making us Maine’s most trusted and experienced heat pump installer. We’re proud to serve every city, hamlet, town, and island of Maine, out of our 5 locations. We can always get there from here!

Why select Dave’s World as your HVAC provider?

  • Unmatched Customer Service. From the first call to years after the installation, we promise awesome service and stand by our word.
  • More Experience. We’ve installed more heat pumps than any other company in Maine & we were installing heat pumps before they were cool!
  • Dedicated Team. We only employ the top talent of HVAC professionals in the state and were recognized as a top place to work in Maine in 2023.
  • Longevity. We’re here to stay, which means we’ll be here to service your units and answer your questions for as long as you need us.
  • PLUS, our Coil to Coil Warranty program is unparalleled. Click here to learn more!