• A low overhead company which can give the best possible price.  
  • Large enough to install heating systems and respond to no heat calls the same time.
  • Install over 100 heating systems annually
  • Continually keep up with new technology by attending seminars regularly 
  • Lowe's approved subcontractor
  • Certified Efficiency Maine Installer

We are experienced with many makes and models including:


New Yorker

Bosch

Burnham

Buderus

Biasi

Pensotti

Viessmann

Kerr

Olsen

OkeFEN

MESys

Mitsubishi

Thermoflow

Miller

Modine

Lochinvar

NY Thermal

Rinnai

Superstor

Amtrol

Gibson

Weil-Mclain

American Standard

Lennox

Peerless

Triangle Tube

Riello

Ducane

The ability to complete a heating system replacement in one day allows for winter installations.  We have the manpower to do an apartment building heating system replacement so that you are only without heat for one day.


We will replace your old boiler or furnace with a new more efficient system, or install an entire system in your new stick built home.  We also have done work for a number of modular home companies.

Heating system and air conditioning installation and service

Call John for a free estimate 207-754-1864

Samples of our work:

John Marchesseault LLC

Our service area includes (but is not limited to):  Auburn, Augusta, Bath, Brunswick, Buckfield, Casco, Danville, Durham, Freeport, Gray, Greene, Hebron, Leeds, Lewiston, Lisbon, Lisbon Falls, Mechanic Falls, Minot, Monmouth, Naples, New Gloucester, Norway, Oxford, Paris, Poland, Poland Spring, Raymond, Sabattus, South Paris, Sumner, Turner, West Paris, Winthrop

Oil

Natural gas

LP gas

Wood boilers

Pellet boilers

Heat pumps

Mini-splits

Oil Tanks,

Baseboard

In floor radiant

Ductwork

Chimney liners

On Demand water heaters

Services