Harkness Equipment began with selling outdoor wood furnaces, but evolved into supplying all your outdoor furnace supplies. In addition to selling the units, Harkness Equipment carries a complete line of hydrualic heating supplies, including insulated underground piping, in-floor piping, heat exchangers (either water-to-air or water-to-water), pumps, manifolds, fittings (black, stainless steel, copper), as well as pex compression and shark-bite fittings.
Portage and Main Ultimizer Wood Boiler BL 2534
Portage and Main Ultimizer Wood Boiler BL 2840 Share
Here are the specifications for your Ultimizer Wood Series BL 2840 : 275,000 approx. BTU/hr Heats up to 6,000 ...
Portage and Main Ultimizer Wood Boiler BL 2840
Portage and Main Ultimizer Wood Boiler BL 3444 Share
Here are the specifications for your Ultimizer Wood Series BL 3444 : 400,000 approx. BTU/hr Heats up to 9,000 ...
Portage and Main Ultimizer Wood Boiler BL 3444
Portage and Main Ultimizer Wood Boiler BL 4044 Share
Here are the specifications for your Ultimizer Wood Series BL 4044 : 500,000 approx. BTU/hr Heats up to 12,000 ...
Portage and Main Ultimizer Wood Boiler BL 4044
Polar Furnace G-CLASS G2 Share
G-Class is all about making wood burning as clean, simple, and easy as possible while eliminating your high heating bills. To accomplish this, the ...
Polar Furnace G-CLASS G2
Polar Furnace G-CLASS G2 Plus* Share
G-Class is all about making wood burning as clean, simple, and easy as possible while eliminating your high heating bills. To accomplish this, the ...
Polar Furnace G-CLASS G2 Plus*
Polar Furnace G-CLASS G3* Share
G-Class is all about making wood burning as clean, simple, and easy as possible while eliminating your high heating bills. To accomplish this, the ...
Polar Furnace G-CLASS G3*
Low-profile HotRockPanels Share
Our new Low-Profile HotRockPanels make it easier than ever to add radiant in-floor heating to your next renovation, retrofit, or upper floors!With the...
Low-profile HotRockPanels
Original HotRockPanels Share
Our original HotRockPanels provide an all-in-one insulator, moisture barrier, and PEX tubing fastener. Designed to be placed below the concrete slab t...
Here are the specifications for your Ultimizer Wood Series BL 2534 : 175,000 approx. BTU/hr Heats up to 4,000 ...