Space heat loss by component.

• Position: ALASKA TRENDS - Survey on public buildings energy use - Brief article - Statistical table

Space Heat Loss by component

Averages across all zones with zone 8 & 9 comparisons zone 8 zone 9 4% Windows 5% 2% 13% Ceilings 14% 9% 51% Ventilation/Air Leakage 45% 67% 17% Walls/Doors 19% 14% 15% Floors 17% 8% Energy Consumption by End Use Space Heat 72% Light 9% Other Electric 7% Domestic Hot Water 6% Vent Fans 2% Clothes Dryer 2% Cooking 1% Refrigeration 1% Energy Cost by End Use Space Heat 56% Light 18% Other Electric 13% Domestic Hot Water 4% Vent Fans 4% Clothes Dryer 2% Cooking 1% Refrigeration 2% Note: Table made from bar graph. Energy End Uses and Costs: The majority of energy used in commercial sized public buildings in Alaska goes towards space heating, which on average accounts for 72% of total energy use, as seen in the figure bottom left. Since space heating efficiency is determined by ventilation...