Sealed combustion / Green Building & Sustainable Home Renovation Information & Advice

...combustion equipment is sealed-combustion or direct-vented to minimize backdrafting risks. Annual maintenance and inspections All fuel-burning appliances should be inspected by a local qualified HVAC technician every year. This includes checking the integrity of the chimney liner and ensuring that 1 inch (2.5 cm) or la...

...sealed combustion stove prevents depressurization by drawing all combustion air from the exterior, unlike a conventional stove. Image © Ecohome Room-sealed wood burners by region The type of stove required for an airtight home is universally referred to as having a 'direct air supply' (DAS) or being 'sealed combustio...