
We offer a full range of outdoor wood furnaces designed for efficiency—burning up to half the wood of many competitors. Portage & Main Outdoor Boilers are built on the principle of the fire triangle, featuring a simple, durable design constructed from 1/4" cold-rolled steel. They’re engineered for reliability, performance, and long-term value. Proudly manufactured in Manitoba. Our team would be happy to walk you through the many additional features that set them apart. We also stock Polar Furnace, and carry a wide variety of parts necessary for installation and service. Contact us today to learn more or find the right solution for your heating needs!
Browse Our Manufacturers ->

Our Team is happy to help with
Harkness Equipment carries a wide inventory of outdoor furnace and hydronic heating parts to keep your system running smoothly.
Our offerings include:
With knowledgeable support and ready-to-ship inventory, we help you find the right parts quickly and keep downtime to a minimum.

If you're interested in something, we recommend you put a Deposit on it to Hold it. Holds require a refundable deposit which is an authorization on your credit card. If you change your mind, we'll return your money. Please note, in order to make things fair, No Shows or Contact result in no refund. After you place a hold, we will contact you to confirm your interest. At that time, you can schedule an appointment and finalize your commitment. If you don't like what you see, you are NOT COMMITTED to purchase.

Indoor & Outdoor Furnace G-Class is all about making wood burning as clean, simple, and easy as possible while eliminating your high heati...