Count on us for around-the-clock, 24-hour emergency service from our certified technicians-just one part of the full-service difference.


P.Gagnon & Son gives you a range of choices for protecting your price for heating fuel and for controlling your winter fuel bills.


Our service technicians have the expertise to install, maintain, and repair virtually any make or model system you have or want in your home.

Air Conditioning

Ductless Mini-split A/C Systems from P. Gagnon & Son—a Great Solution for Rooms that are Hard to Cool

Mini-split ductless air conditioning systems let you create your own zone of comfort, allowing you to cool individual rooms—or your entire house! They are quiet, energy efficient and blend with any decor.

These compact ductless units can be installed virtually anywhere in your home, with no need for additional, expensive ductwork.

We can install a compact wall unit for each room that needs more cooling—multiple units connect to one outdoor compressor. This is a perfect, affordable solution for rooms that are hard to cool, like a corner bedroom or a sunroom.

These units are also ideal for:

Many of these ductless heating and cooling units are Energy Star–rated for efficiency. P. Gagnon & Son is a certified Mitsubishi dealer.


Contact us to get our best price on ductless A/C systems. Installation, maintenance and repair services are all available. P. Gagnon, serving South Berwick, Sanford, York, Dover, Durham, Hampton, Rochester and surrounding towns in Southern Maine and Seacoast New Hampshire.