Frequently asked questions
Straight answers about outdoor wood boilers from a dealer that has sold, installed and serviced them since 2007.
Common questions
What are your hours?
Monday to Friday 8am–6pm, Saturday 8am–5pm, closed Sunday. Our lot is at 768 15th Ave., Almena, WI.
Do you have boilers in stock?
Yes. We always keep G Series and C Series boilers in stock. Bigger or specialty models like the B, T and P Series we can order and have here in a few weeks. If we're ever out of a G or C, we can usually get one quicker from a neighboring dealer.
What can an outdoor wood boiler heat?
Your house, shop, garage, hot water and even a pool. It hooks into forced air, in-floor heat or radiators.
Do you install them?
Yes. We deliver it, dig the trench with our own trencher, lay the underground line and hook it into your heat. Or we can do just part of it. See our services.
Can I install it myself?
Yes. We sell every part you need, and we can do just the trenching or just the hookup if you want help with part of it.
What do I set the boiler on?
A level spot: blocks, pavers or a small concrete slab. We can give you the footprint ahead of time.
How far do you travel?
About 2 hours in every direction from Almena, Wisconsin, including eastern Minnesota. See the town list on our contact page.
Do you work on other brands?
Yes. We service every brand of outdoor boiler and sell parts for Taylor, Crown Royal, Central Boiler and more. See parts.
Can I burn coal?
Yes. The C Series burns coal or wood.
Do you sell used boilers?
Yes. See what's on our lot right now on the used boilers page.
Is financing available?
Yes, on approved credit, including 12 months same-as-cash. See financing.
In-depth questions

How Much Wood Will Your Outdoor Wood Boiler Burn?
It depends on three things: how efficient the boiler is, what wood you burn, and how much space you heat.
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Outdoor Boiler Prices: What Does an Outdoor Wood Furnace Cost?
What an outdoor wood boiler costs depends on the size you need and the series. Installation usually adds a couple thousand dollars on top of the boiler.
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Sizing an Outdoor Boiler: Choosing the Right Outdoor Furnace
How to figure out what size outdoor wood boiler you need, plus the square footage each HeatMaster model heats.
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How Long Will an Outdoor Wood Boiler Last?
How long an outdoor wood boiler lasts comes down to how it's built and how well you take care of it.
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Green Wood vs. Dry Wood in an Outdoor Boiler
Should you burn green or dry wood in an outdoor wood boiler? Dry is better, and it's a must for gasification boilers.
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Stainless Steel vs. Mild Steel in Outdoor Wood Boilers
Why 409 stainless steel lasts longer than mild steel in an outdoor wood boiler.
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HeatMaster's Limited Lifetime Warranty: What's Included?
What HeatMaster SS's limited lifetime warranty covers, year by year.
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How Far From Your House Should an Outdoor Wood Boiler Go?
How far from your house to put an outdoor wood boiler. Most go 50 to 200 feet away.
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Outdoor Wood Furnace Insurance Requirements: What to Know
Common insurance rules for outdoor wood boilers: distance from buildings, where to stack wood, ashes and upkeep.
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Switching to a Gasification Outdoor Wood Boiler
A HeatMaster owner switched from a traditional boiler to a G Series gasification boiler and burned about half the wood.
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Outdoor Wood Boilers: The Good, the Bad and the Ugly
An honest look at owning an outdoor wood boiler: the savings, the work and the shopping.
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How to Find an Outdoor Wood Boiler Dealer Near You
How to find a local outdoor wood boiler dealer, including the HeatMaster dealer locator, and what to ask them.
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