HVAC Services

For over a decade Jeff MacKay Mechanical has been providing heating system and air conditioning system repairs and service to Northern New Hampshire area homeowners and businesses. If you are in need of emergency 24-hour repairs to your heating or cooling system, put your trust in our expert technicians to get the job done quickly and correctly. From boiler repair and installation, to air conditioner and cooling system repairs, Jeff MacKay Mechanical is the answer.

When our team arrives at your business or home, we will diagnose your heating, ventilation or cooling problem. Our HVAC technicians will provide you with a clear list of repairs and will give you an upfront competitive price before we start. Once approved, our team will get to work on solving your HVAC issues quickly and within budget.

Contact our team for a free estimate on your residential or commercial HVAC needs today.

  • 24- hour emergency repairs
  • Air Conditioners
  • Boiler Cleaning
  • Boiler Installation
  • Boiler Repair
  • Boilers
  • Boilers & Water Heaters
  • Cast Iron Boiler Repair
  • Central Air Conditioning
  • Central Heating Systems
  • Code Violation Repairs
  • Controls & Thermostats
  • Cooling Systems Installation
  • Custom Heating & Air Conditioning
  • Electric Heating System Service & Repair
  • Ventilation Systems
  • Thermostats
  • Emergency Installation
  • Estimates
  • Filters
  • Forced Air & Hot Water Systems
  • Forced Air Furnaces
  • Free Estimates
  • Furnace Repairs
  • Furnaces
  • Gas Heating
  • Heat Pumps
  • Heating & Cooling Systems
  • Heating Parts
  • Humidifiers
  • Inspections
  • Installation
  • Maintenance & Repair**
  • Repairs
  • Replacements


Call Us Today!

603-444-6770 or cell


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