Is this correct? If the house needs more makeup air, it finds its way in. I received this from a friend (quoted in this article) a short time ago. 2. Find wood stoves & wood furnaces at Lowe's today. As you know, most Passivhaus advocates advise against the use of a wood stove in a Passivhaus building. Sure air tight wood stoves aren't exactly air tight or sealed combustion, but the cross sectional area leakage between the firebox and conditioned space of a unit with ducted combustion air is but a tiny fraction of the 2-8 square inches represented by the combustion air intake port on the stove. I wanted to comment on this post with something I have not tried yet, but I'm assuming would work quite well for using a wood burning appliance "without" the hood fan on. Some argue that OAKs increase overall heating efficiency because the stove is no longer pulling cold outside air indirectly though the entire house but instead is pulling directly from the outside. I have a pretty tall interior chimney (30') with a strong draft and have never noticed any backdraft issues mentioned above with hot embers being puffed back into the intake duct. Those dampers allow air into the stove in a regulated fashion to allow for effective combustion. Even when the solutions we have are adequate. 1. Since the air consumption of a wood stove is so low, the risk of reversal of a ducted combustion air supply outweighs any advantage gained by bringing air from outdoors. An HRV at one setting will suffice for a woodstove alone, however, with other de-pressurizing appliances operating, more air is needed. $58.55 $ 58. The dryer has no vent (Whirlpool hybridcare). Changing to outside air intake for heating your home using a wood burning stove may or may not change your wood consumption, but it will help with comfort. In fact, even in a house with an air leakage rate of 0.6 ach50, makeup air usually finds its way in to the house when a bathroom exhaust fan is turned on or when wood smoke goes up the chimney. Our first instinct, going on advice from the HVAC folks, was to install makeup air. ", This is a backdraft, and it is very dangerous. If we close the damper on the stovepipe, the fire slows down. So I don't need to aim for 0.6 ach50.". Monitoring data might be useful, but its very hard to set up an experiment in which two wood stoves are fed fuel in an identical manner. There is the option of adding two units for handily ventilating up to around 2,400 feet or so, maybe on different floors, but if these two areas are connected, then one of the units will always auto-counterbalance any manual adjusting you try to do to the other unit with it's integrated (IB) feature, which a rep from the company told me could not be turned off. Burn stove with draft control wide open for about 10 - 15 minutes every time you apply fresh wood. EPA certified at 1.32 g/h, this non-catalytic appliance represents an eco-responsible heating source. Ideal for heating spaces up to 2,700 ft², the HT-3000 is a wood stove with an impressive output of 110,000 BTU/h. 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