Local comfort solutions you can rely on.
Your Local Heating & Cooling Experts in Plymouth
At Smith River HVAC, we’re proud to serve the Plymouth community with dependable, high-quality heating and cooling services. Since 2018, our experienced team has helped homes and businesses throughout central New Hampshire stay comfortable in every season. Whether you need a new installation, seasonal tune-up, or fast HVAC repairs in Plymouth, you can count on us for reliable results.

Our HVAC Services in Plymouth
Heating Services
- Furnace Repair and Installation – Oil and propane systems, plus fuel conversions.
- Boiler Services – Steam and hot water systems installed, repaired, and maintained.
- Heat Pumps – Mitsubishi Electric ducted and ductless systems for year-round comfort.
- Hydronic and Radiant Heating – Baseboards, radiators, and in-floor systems.
- Seasonal Heating Maintenance – Tune-ups to maximize efficiency and lifespan.
Cooling Services
- Central Air Installation and Service – Efficient whole-home cooling solutions.
- Ductless Mini-Splits – Mitsubishi Electric systems tailored to your space.
- AC Preventative Maintenance – Keep your system running at peak performance.
Water Heating
- Water Heater Repair – Electric, gas, and propane models.
- Water Heater Installation – Tank and tankless options sized for your home.
Diagnostic Services
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Pinpoint heating and cooling issues quickly and recommend lasting solutions.
Get a Free Quote
Call Smith River HVAC at 603-217-0851 or Request a Quote Online to schedule HVAC service in Plymouth, NH.
Have a General Question?
Curious about ductless vs. ducted systems or rebate eligibility? We’re happy to help.