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 Services in ME & NH

Trusted air conditioning service, installation and repair in New England

If you have been looking for ways to improve the cooling system in your home or business, a high-efficiency air conditioning system delivers on all accounts:

Smart and programmable thermostats

Even if your system is just a few years old, a newer system combined with a smart thermostat can reduce your energy burden between 20% and 50%.

Controlling your air conditioning system with a smart thermostat allows you to preset the temperature of your home according to your needs and lifestyle. Lowering the temperature when you are at work or away on vacation can help you save on your energy bills and it’s not unusual to see savings of 10% over your usual energy spending almost immediately.

Greener, cleaner air conditioning options: Is it time for you to replace that old air conditioning unit?

Even if your current air conditioning system is working just fine, switching to a new air conditioning system or high-efficiency central air will pay dividends in the long run.

Some of the clear benefits of a new AC system:

Ductless and compact, single-zone systems

If you live in an older house or building that doesn’t have ductwork, ductless systems may be a great alternative for you. Ductless systems are also ideal for hard-to-cool areas such as additions, basements and garages.

We also install compact and single-zone cooling units to address comfort issues in individual rooms. This option is ideal for sunrooms, wine cellars or corner bedrooms. Best of all, there is no need to install expensive ductwork to get the same cooling power of a central system for your most challenging spaces.

Full-service air conditioning repair and maintenance

Even if you aren’t ready to commit to a brand-new high-efficiency air conditioning system, you can count on P. Gagnon & Son for their air conditioning expertise. We provide air conditioning installation, repair and service for all makes and models, serving all of York County as well as Rockingham and Strafford counties in New Hampshire.

We have been serving our residential and commercial customers with a high standard of service excellence since 1904, proving that we are number one in the heating and cooling business. Don’t trust your comfort to any but the best: Call P. Gagnon today and find out how easy it is to achieve greater comfort and reliability while lowering your energy bill through more efficient air conditioning.