HVAC Sizing vs Window Heat Loss — Home Efficiency

Compare HVAC capacity requirements and window heat loss. Understand how insulation affects your heating and cooling needs.

BTU Calculator

Grundfläche (m²)

Deckenhöhe (m)

Climate

Fenster Breite (m)

Fenster Größe (m)

U-Wert (W/m²·K)

Temperatur Diff ΔT (°C)

U-value: Single glazing ≈ 5.7 · Double ≈ 2.8 · Triple ≈ 0.8

Fläche (m²)

1.80

Wärme Verlust (W)

100.8

Jährlich Kosten (est.)

$65.32

Annual Heating Energy (kWh)

435.5 kWh

Funktion	BTU Calculator	Window Heat Loss
Kategorie	practical	practical
Ganze Seite	BTU Calculator	Window Heat Loss