Energy Savings Comparison
4000 Sq. Ft. Two-Story Home
Completely foamed residence with caulk and seal package
- 4000 square foot two-story residence with 2000 square
feet of conditioned crawl space.
- Total glass area is 28% of exterior wall area. 61%
of glass area faces west.
- No insulation on crawl space walls or under slab.
- Owner keeps temperature at 68 degrees in the winter
and 72 degrees in the summer.
- Walls are 2x6 and insulated with semi-rigid foam. Roof
deck has semi-rigid foam sprayed against it.
- In-floor heat is installed in the first and second
floors. Air conditioning is installed in the attic.
- Boiler system for heat and hot water is natural gas.
Electric dryer.
Natural Gas and Electric Consumption Per Month:
- Electric: $71
- Gas: $153
- Total: $224 ($.67 per square foot of living area)
4000 Sq. Ft. Two-Story Home
Insulated to the minimum standards of the building code
- 4000 square foot two-story residence with 2000 square
feet of conditioned crawl space.
- Total glass area is 28% of exterior wall area. 61% of
glass area faces west.
- No insulation on crawl space walls or under slab.
- Owner keeps temperature at 68 degrees in the winter
and 72 degrees in the summer.
- Walls are 2x6 and insulated with fiberglass insulation.
Attic has loose fill cellulose in it.
- Forced air heating and cooling system
Natural Gas and Electric Consumption Per Month:
- Electric: $130
- Gas: $270
- Total: $400 ($1.20 per square foot of living area)
- This house may qualify as an Energy Star Home!!!
As of December 22, 2005
costs are $.08/kwh electric and $1.31/ccf gas
All consumption dollars based on 2005-2006 energy costs
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