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The East Bay's Leader in Home Electrification & Heat Pump Technology
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Heating and Cooling
Main Menu
Air Conditioning
Heating
Indoor Air Quality
Ductless Mini-Splits
Heat Pumps
HVAC Maintenance
HVAC Zoning System
Commercial
Home Performance
Main Menu
Energy Assessment
Energy Star
Find My Home Energy Score
Home Electrification
Thermostats
Building Envelope
Attic Insulation
Floor Insulation
Water Heaters
Main Menu
Heat Pump Water Heaters
Tankless Water Heaters
Savings
Main Menu
Financing
Rebates
Referral Bonus
Specials
VIP Club Memberships
About
Main Menu
Blog
Careers
FAQ
Hassler Difference
Reviews
Service Areas
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