Established In 2011, Cardigan Mountain HVAC, LLC Is A Family Owned & Operated Business With 25+ Years Combined Experience on Heating and Air Conditioning Systems, Providing Heating & Cooling Installation To Homeowners In Central New Hampshire. (Please see our coverage area at the bottom of this page for the towns we serve).

Our Residential & Commercial HVAC services Include: 

  • New Installation of Heating and Cooling Systems 
  • Existing Heating System and Air Conditioning Retrofits 
  • Replacement of Heating or Cooling Equipment
  • Servicing Propane & oil systems that we've installed.
  • Servicing Air Conditioning systems that we've installed.

We Install the following Types of Heating and Cooling Systems:
  • Oil Fired Furnaces 

We Install both Conventional & High Efficiency HVAC Equipment based on your needs including: 

  • Indirect Water Heaters
  • Gas Water Heaters
  • Rinnai On Demand Water Heaters 
  • Air Conditioning Systems
  • Mitsubishi Electric Ductless Mini-split Units​
  • Zoning of Forced Hot Air (Furnace) and Hot Water (Boiler) Systems
  • Indoor Air quality Improvements
  • System Controls to provide increased fuel savings​
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​Whether you're looking to have a Forced Hot Air Heating System with a Furnace, Forced Hot Water (Hydronic Heating with a Boiler), Heat Pump, Central Air Conditioning or Ductless System Installed, Cardigan Mountain HVAC, LLC in Alexandria - Bristol, NH can provide you with Design, Installation and Service of the entire System. 



Rebates up to $ 2,500.00 on high efficiency heat pump systems installed in 2019 may be available. Select the following link for details:
​www.nhsaves.com/save-home/save-more/heating-cooling-water-heating-systems/
We're more than a Heating & Air Conditioning Installation Company.  We can provide scheduled maintenance and service on all our installations.  Throughout the Central New Hampshire Lakes Region Area our focus is on service and customer satisfaction. But don’t wait until something breaks to give us a call. Have your system checked, tuned, and season ready before the weather sets in! 

Optional controls can provide an even Greater Potential for Energy Savings and Comfort from your Home Heating or Air Conditioning equipment:

  • Outdoor Reset Controls On Forced Hot Water Systems to provide up to 15% Energy Savings
  • Access to Your Thermostat(s) from a Smartphone, Laptop, PC or Tablet when connected online through WI-FI or Honeywell Redlink System 
  • Temperature Control and Monitoring For Your Home from anywhere with Internet Access
Our Coverage Area:

Alexandria NH 03222, Bridgewater NH 03222, Bristol NH 03222, Danbury NH 03230, Groton NH 03266, Hebron NH 03241, Hill NH 03243, Meredith NH 03253, New Hampton NH 03256, Plymouth NH 03264 


​​​ Our Business Hours are Monday through Friday from 7:30 am - 4:00 pm.
Weekends & Holidays: Closed
Cardigan Mountain HVAC, LLC
​PO Box 552 
Bristol, NH 03222

New Hampshire Mechanical Business Entity License # MBE1500853
New Hampshire Master Plumbing License #4892M