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Mini Split Systems Installer and AC Services in Gilford, NH

For over 25 years, Main Stream Mechanical has provided air conditioning installation, repair, and maintenance services to customers throughout Gilford, NH, and neighboring towns. Our highly trained technicians are expert AC installers with skills and experience working with the latest AC technology, including mini ductless air conditioning.

Why choose a Mitsubishi Ductless Mini Split AC System?

  • Efficient 

  • Energy-saving air conditioning system

  • Customized zoning enables you to control the cooling level in each zone

  • Helps lower your utility bills

  • Also provides heating 

  • Ultra-quiet system

  • superior indoor air quality

  • Zero Emissions

  • 12 year parts/compressor warranty

  • Financing Options

Ask about Tax credits of up to $2000!
We provide end-to-end home cooling systems including service and repair as well as:
  • Ductwork & Trunk Installation

  • Mini Split Systems Installation, Repair, and Maintenance

  • Zoning & Ductwork

  • Unico & Hi-Velocity Installation

  • Air Conditioning Refrigerant Charging

  • Air Conditioning Refrigeration Leak Repairs

Our Partners

Mitsubishi Preferred Diamond Dealer

We are proud to be a Mitsubishi Preferred Diamond Dealer, which entitles customers with premium warranty terms.

Mini Split and AC Services in NH & MA

​Main Stream Mechanical proudly serves the cooling needs of homeowners and businesses throughout New Hampshire and Massachusetts. Contact us today to discuss your options.

We Love Happy Clients

“I have used Main Stream for the past 9 years in two different homes.  They are responsive, professional, knowledgeable, and thorough.  I use them for all of my heating, air conditioning and general plumbing needs.”

Jeff Ferrante

Customer Testimonials

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