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Comfort, Reliability & Expertise — All Year Round
At Hollis Heating and Cooling, we offer a complete range of residential and commercial HVAC services tailored to the needs of homeowners, builders, and property managers throughout New Hampshire, Maine, and Massachusetts. Whether you’re facing an unexpected system failure or planning a brand-new installation, we’re here to help — with honest advice, fast response times, and dependable results.
our services
What We Offer
24-Hour Emergency HVAC Service
We provide prompt and accurate water heater repair services throughout the Greater Manchester Area.
Mini Split Install & Service
Efficient, ductless heating and cooling solutions tailored to your space.
Preventative Maintenance
Regular checkups keep your systems running smoothly and help prevent costly breakdowns.
Heat Pump Installs
Stay energy-efficient with modern heat pump systems for year-round climate control.
Water Tank Install
Reliable water heater installations with expert connections and clean finishes.
Central AC Service & Install
Cool your home effectively with our professional AC servicing and full system installs.
New Construction Installs
We provide prompt and accurate water heater repair services throughout the Greater Manchester Area.
Add-On Installs & Retrofits
Upgrade or expand your system with customized add-ons and retrofitting solutions.
