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  2. Gypsum concrete - Wikipedia

    en.wikipedia.org/wiki/Gypsum_concrete

    Gypsum concrete is lightweight and fire-resistant. A 1.5-inch slab of gypsum concrete weighs 13 pounds per square foot versus 18 pounds per square foot for regular concrete. [10] Even though gypsum concrete weighs less, it still has the same compressive strength as regular concrete, based on its application as underlayment or top coat flooring ...

  3. Passive house - Wikipedia

    en.wikipedia.org/wiki/Passive_house

    Use up to 60 kWh/m 2 (19,020 BTU/sq ft; 20.07 MJ/sq ft) of floor area per year primary energy (for heating, hot water and electricity). Leak air up to 0.6 times the house volume per hour ( n 50 ≤ 0.6 / hour) at 50 Pa (0.0073 psi) as tested by a blower door ; or up to 0.05 cubic feet per minute (1.4 L/min) per square foot of the surface area ...

  4. Heating your home will cost more again this winter - AOL

    www.aol.com/heating-home-cost-more-again...

    But those who heat with oil will catch somewhat of a break after a pricey heating season last year, with costs expected to rise only 6.1% to $1,963 this winter. A weak oil market has led to a drop ...

  5. Equivalence of direct radiation - Wikipedia

    en.wikipedia.org/wiki/Equivalence_of_direct...

    Measured in square feet, the reference standard for EDR is the mattress radiator [1] invented by Stephen J. Gold in the mid 19th century. One square foot of EDR is able to liberate 240 BTU per hour when surrounded by 70 °F (21 °C) air and filled with steam of approximately 215 °F (102 °C) temperature and 1 psi of pressure.

  6. State investigates high energy costs in Mass. Will it matter ...

    www.aol.com/state-investigates-high-energy-costs...

    For this winter, DOER estimated that heating with oil would cost $2,220, up 10 percent; that propane heat would cost $1,606, up 8 percent; that natural gas heat would cost $911, down 0.5 percent ...

  7. Winter is coming. Apply for heating subsidies now. | Opinion

    www.aol.com/winter-coming-apply-heating...

    The subsidy component provides households with a one-time benefit per application, ranging from $34 to $274, depending on housing category, fuel type used for heating, and income level.

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