DIY Outdoor Wood Boiler (Wood Burning Stoves Forum At Permies)

Effective 12/31/2015, the EPA has imposed the requirement that all wood burning heating units are EPA Phase 2 qualified. My question about continuous feed is basd on the OP asking for information for a outdoor wood burning stove for heating a house. The bottom of the door needs to be high off the ground to make for ease of filling; 30” is ideal. As a home owner with a boiler for my heat source I can say that I envy those with natural gas. Heat output is another unique feature of outdoor wood boilers, and this offers another efficiency.

We are committed to building the best performing and longest lasting outdoor furnaces on the market, which is why every unit we manufacture is UL 391, UL 726 & CSA B366.1 certified, and comes with a Twenty Year Limited Workmanship Warranty as well as a Twenty Year Limited Corrosion Warranty. Diminishing ressources and exponential growth of fossil fuel costs has renewed interest in heating with wood, pellets or waste biomass products such as wood chips.

The operator simply rakes the hot bed of coals and loads the new wood on top and hits the reset button at the control panel, this tells the system that is has been reloaded and it can resume normal operation. Beginning with inventing a corn furnace for his own use after frustration of his family not being able to keep their current one functioning, Dave started selling another brand of outdoor wood furnaces soon after. This will help the furnace burn efficiently, reducing both wood usage and air emissions.

These outdoor boilers burn wood – and almost anything else – and typically supply heat to one or more buildings at far less cost than it takes to heat a house or barn or greenhouse with fuel oil or propane, a disparity that grows as the cost of oil goes up. After reading everything I could get my hands on, I sure hope this outdoor wood burner never comes to be. Other provisions that NESCAUM recommends include standards for setbacks from roads and neighbors, guidelines for opacity of smoke (another indicator of how cleanly a boiler is operating), and minimum smokestack heights to protect against particulate emission.

With a little experience you’ll learn how factors like heat load, weather conditions, wood quality and proper maintenance can affect its operation. I have been trying to get help for over four years.I have had my home ruined with smoke from outdoor wood-boiler and cant sell it. I have had breast cancer and asthma, spot on my lungs, pneumonia and problems with my eyes from smoke that does not smell of wood. If you have the need to heat multiple buildings, the Crown Royal Stoves – Outdoor Furnaces are your choice for premium heating.

Were the roles reversed, I could never make a decision to do something that would so negatively impact my neighbors just to save myself some money. Our OWB is likely 35% efficient, the Garn is ~85% efficient – efficiency meaning the unit will utilize 35% or 85% of the heat content of the wood to heat the house. Our neighbor built an outdoor pizza oven and the smoke from that is maddening at times (I also like open doors and windows). Burnrite’s outdoor wood stoves allow you to heat multiple buildings and domestic water, thereby virtually eliminating your heating bills. These units are more efficient, require less wood, and provide the ambiance and aroma of burning wood.

A boilers is a LOT of work, a LOT of maintenance, and takes a LOT of energy/time to cut, stack, and load the wood (not to mention the ash clean out every two days). The Attack DP Profi wood gasifying boiler is made by New Horizon Corporation in Sutton, West Virginia. Standard outdoor wood boilers heat the firebox and the smoke goes out the exhaust straight. I spoke with one farmer that installed his furnace 100 ft from his house and paid $24/ft for the piping. They also eliminate the risks associated with conventional wood burning furnaces.

Not only can wood introduce allergens into a house, but they can also introduce nasty little bugs that like to inhabit dead wood, so an OWF can mitigate that as well. There has also been an effort to educate consumers of proper installation and operating practices when using outdoor wood furnaces for the best performance,” Tollefson says. In addition, we live on nearly 300 acres with plenty of fencerows and wooded areas to supply us with wood to burn for years to come. The AHS Wood Gun is available six sizes with residential units ranging from 100,000 to 250,000 BTU’s and commercial sizes up to 1,000,000 BTU. If you are going to use a boiler system you might want to put in a infloor heat cement floor.

Having a fan on the front door usually results in burning a hole through the pile of wood (incomplete). Emissions from buring trash and other inappropriate materials in OWBs are typically of greater health concern than burning clean wood. Burn Less Coal – A hallmark of Central Boiler furnaces for over 30 years, spray-on urethane is the ultimate airtight, waterproof insulation that locks the heat in to reduce coal usage, even at temperatures of -35˚F or colder. I will say to those who have no experience with a boiler that, depending on your circumstances, keeping wood stocked is NOT easy.


I opted for a model made by a Canadian company called Portage and Main, and it features a clean-burning design that extracts more heat from a given amount of wood. Nothing worse than waiting 4 hours for your furnace to heat up. Another issues is, once the water is heated up, the heat retention is so long that the fire doesn’t come on for a long time and goes out. I moved after living in 1 location 23 years due to outdoor stove no neighbors had a stove in new location for 4 years now there is no clean air to breath even inside my house.

In this type of boilers, the wood gasification technology provides combustion at very high temperatures and provides much better efficiency and fewer emissions compared to traditionnal wood boilers. There is a trade-off here that should be considered: purchase a furnace that will give you a choice of type and quality of wood to burn. These standards regulate the manufacture, sale and operation of new wood heating devices.

The first phase of the program was instituted from January 2007 through mid-October 2008, and required manufacturers to develop a boiler that was 70 percent cleaner-burning than unqualified models. When you and your ilk and neighbors stop burning coal for electricity, then and only then can you complain about particulate matter, Vermonters live downwind from you, and don’t butt into others affairs. A number of the operational features of outdoor wood boiler operation make them very polluting.

While modern wood burning stoves are around 70-80% efficient, OWFs are only about 50% efficient.” In other words, as these burners sit outside in the cold, wind, snow, and rain, it’s very difficult for them to maintain a clean and hot burn in what basically amounts to a firebox filled with water. Then i set the boiler into it’s final resting place, and covered it with a layer of R-30 insulation. Ultimate Control – The FireStar II electronic controller monitors all functions of the furnace and can store and share operational data. Adjustable fan air velocity is a nice feature to have to control burn rate and be able to adjust heat demand to wood and weather conditions.

If an outdoor boiler is a desired option, there are a few considerations to take into account; the type of application should be the first. An outdoor wood boiler is any furnace, stove or boiler designed to burn wood, where the unit is not located within a building intended for habitation by humans or domestic animals. We recommend at least a 5′ x 10′ for our customers, this allows you to stand on firm ground while loading your Acme Furnace. Outdoor wood boilers (OWBs) have the potential to aggravate or cause health problems.

Some outdoor wood boilers are either multi-fuel systems (i.e. they can burn wood and gas or oil) or they have a built-in heat exchanger coil to supply domestic hot water. Each WoodMaster wood furnace is installed outdoors, 25 to 400 feet from the home or structure(s) that it will heat. The trick is to make it efficient.. That is the hard part.. Anyone can weld up a firebox within a large tank of water. For example, with an indoor stove you have smoke, ash, bugs, dirt, and wood sitting in your house!

The cooled water is then circulated back outside to the furnace to be reheated.” ( The University of Tennessee College of Agricultural Sciences and Natural Resources ) As the price of natural gas and propane has increased, these units have become increasingly popular. High efficiency will achieve the maximum delivery of heat from wood and reduces wood consumption and leads to more saving. The House of Representatives passed Congressman Jason Smith’s amendment to eliminate new Obama EPA regulations on wood stoves by a bipartisan vote of 247-177.

Fortunately, more people are now able to enjoy this with the help of Wood Heating Solutions and their cost-effective products. Also included in the Crown Royal Outdoor Burning Stove line is EPA Phase 2 Qualified wood burning gasification models. I just sealed off the floor vents, turned the furnace into a closet, and now use window AC units and wood heat. Replacing those fuels with wood reduces the user’s carbon footprint” and thereby decreases global warming.

I will stand by my idea it is better to use the energy in as efficent manner as possible (burn hot with as little as possible smoke) And if by burning this way , you create more energy than needed , the logical thing is to bank it. And the bank in this incidence would be water. The result is performance that’s clean enough to meet EPA Phase 2 standards for wood burning appliances, the toughest in all of North America.

Seasoned wood is by far cleaner, more efficient, uses less fuel and is less corrosive,” says Jeremy Hanson, Northwest Manufacturing Inc. Because the flow of air through the unit’s firebox is so precisely controlled, that under normal conditions, the wood within never really bursts into flame. There are two reasons why one might be interested in outdoor wood boiler design.

These stoves consume 75 per cent less wood material for the same cooking task compared to a 3 stone fire. So, the point is, if you want to run a radiant system directly off your wood boiler, always bury your supply and return pipes below the frost line. The Empyre indoor and outdoor wood gasifier models claim to reduce fuel requirements by as much as 50% over traditional wood furnaces. Earth outdoor wood furnaces can actually improve the indoor environment in your home or business, while eliminating the time-consuming chore of tending a traditional wood stove. We purchased a house three years ago that was heated with an outdoor wood boiler.