Published at Thursday, 31 January 2019. Kitchen Window and Ventilation Hood. By Osvald Henriksen.
If you have a huge family, and you indulge in commercial-scale cooking that requires a powerful exhaust fan, you’ll need to install a powered makeup air unit like those manufactured by Electro Industries of Monticello, Minnesota or Fantech. These units move a lot of air; in winter, the incoming air is cold, but it can be heated with 10,000-watt electric resistance elements if you want. Be prepared to suffer a huge energy penalty. The model EM-WH1025K from Electro Industries will supply 632 cfm at a 50 F° temperature rise. If you want a 1,200-cfm range hood, you’ll need two of these makeup air units; they cost about $1,800 each.
Some Passivhaus builders are experimenting with range-hood fans that don’t exhaust air to the exterior. Instead, they pull air from above the stove and pass it through a charcoal filter before returning the air to the kitchen. On the ceiling of the kitchen, in a location as far from the stove as possible, they also install a grille connected to the exhaust system of the home’s HRV.
Ubiquitous roller shades can be rolled up, pulled down, or left in-between, providing the best light control and the most privacy. The old-fashioned spring-loaded ones eliminate cords. You don’t have to settle for white vinyl, or even plain fabric. Diane Hayes of Alameda Shade Shop suggests adding a special fringe or a scallop treatment at the bottom, or a stenciled decoration in paint
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