Insulations Compared
| Place: Ludlow, Mass. Heating Degree Days: 5,600 |
Size Home: 2,000 sq. ft. Heating Source: Electric |
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| Conventional 2x6 Frame | Panel Frame | |
| Walls | 512 fiberglas batts, R-19 | R-25 |
| Ceiling | 9" fiberglass batts R-30 | R-33 |
| Heated Area | Entire House | Entire House |
| Heating | $131/month | $30/month |
Comparative R - Value
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POLYURETHANE: Produces cyanide gas when it burns, its R-value is unstable, polyurethane is processed with chlorofluorocarbons |
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FIBERGLASS: R-value is unstable and reduces with lower temperatures |
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EXPANDED POLYSTYRENE: Stable plastic foam insulation. Does not contain chlorofluorocarbons. |
