Two comfort strategies

Insulation · The Basics · printed page 233 (PDF page 234)

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Book index entries

Comfort Strategies – Two Strategies for Comfort Two Comfort Strategies Insulation – the Basics

Text in the illustration

70°F
heating system
poorly insulated house
heating system has to work harder (use more fuel/higher costs) because a lot more heat is escaping to the outside but, the house is still maintained at a comfortable 70°F
well insulated house
less fuel is required to keep the house at 70°F because the insulation reduces heat loss - keeping heat inside the house longer

Generated explanation

Two schematic house sections compare maintaining a 70°F indoor temperature in poorly insulated and well insulated houses. The poorly insulated house has large outward arrows through the roof and walls and a large upward arrow above its heating system, representing greater heat loss and heating demand. The well insulated house shows a continuous insulation layer along the walls, top-floor ceiling, and bottom floor, with smaller heat-loss and heating arrows. The annotations explain that both houses maintain the same comfortable temperature, but the well insulated house requires less fuel.