The parts of the Affordable Natural House
-- the insulation, the thermal mass, the ventilation channels
-- are designed to work together, to passively heat and cool the
dwelling spaces. This means comfort with less reliance on mechanical
systems powered by fuel or electricity. A bit of human help makes
it possible, mainly opening and closing the windows and insulating
shutters at the appropriate times.
Passive solar
heating
Combines south-facing windows
and skylights with air-core
floor as the heat storage mass, calculated to work together.
Heat from the sun enters the home during the day and is stored
for nightime. High insulation levels, insulating shutters and
high-efficiency windows minimize loss of heat.
Daytime Mode
|
Nightime Mode
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Passive cooling design
There is no mechanical cooling
(air conditioning) planned. Roof overhangs shade the windows.
The over-sized roof ventilation channels keep the attic cooler, so less heat enters the
home. And the insulated shutters are closed during the day, keeping
out the hot air.
Daytime Mode
|
Nightime Mode
|
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