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  1. Windows & Skylights

    https://greenhome.osu.edu/windows-skylights-and-roofs

    U-factor Rate at which a window or skylight conducts heat. It is generally expressed in units of Btu/hr-ft ... per minute per square foot of frame area (cfm/ft 2). A product with a low air leakage rating will be ... solar gains. SHGC ranges between 0 and 1, with a higher rating admitting more radiative energy. ...

  2. Heavy Construction Management

    https://fabe.osu.edu/courses/consysm-4660

    production rates. Prereq or concur: 3451. Undergraduate 3.0 In Person Columbus Construction Systems ...

  3. Green Building and Sustainable Construction

    https://fabe.osu.edu/courses/consysm-5670

    CONSYSM 5670 Introduction to LEED rating systems, major components of sustainable building design ...

  4. Appliances

    https://greenhome.osu.edu/energy-efficiency/appliances

    an Electronic Products Environmental Assessment Tool (EPEAT) rating. Energy Star is the most widely ... Electronics Council, is a three tiered rating system which certifies computers as gold, silver, and bronze ... microwaves doesn’t vary as much as other appliances; thus they do not receive Energy Star ratings. The only ...

  5. Reduced Air Infiltration

    https://greenhome.osu.edu/reduced-air-infiltration

    a home's ACH, a home's air flow rate is measured in cubic feet per minute, per square foot of a home ... small openings in your house, and the air infiltration rate is measured in your home in units of cubic ... Building America's performance criteria, your home should have an air leakage rate of less than 0.25 ...

  6. Roofs

    https://greenhome.osu.edu/passive-design/roofs

    a roof cool. A composite rating system known as the solar reflectance index (SRI) considers both ...

  7. Heating, Ventilation, and Air Conditioning (HVAC)

    https://greenhome.osu.edu/energy-efficiency/heating-ventilation-and-air-conditioning

    efficiency ratings, types of heating fuels, and types of cooling systems HVAC System Components A typical ... new heating and cooling equipment, you must first understand the energy efficiency ratings, the ... type of system. Energy Efficiency Ratings Systems There are several efficiency ratings available to ...

  8. Energy Audit

    https://greenhome.osu.edu/energy-efficiency/energy-audit

    air pressure difference between the inside and outside to determine the air infiltration rate of the ... home. If the test shows large air infiltration rates, the professional will then will use a smoke pen to ...

  9. Soil Test P value less than 50 PPM (or "Lower" P Risk Assessment)

    https://agbmps.osu.edu/scenario/soil-test-p-value-less-50-ppm-or-lower-p-risk-assessment

    of fertilizer at the crop removal rate to reduce risk of yield reduction. Another consideration with ... STP less than the "critical level" is to apply additional fertilizer at rates more than crop ... application of crop removal rates of fertilizer. A maintenance application can be applied any time during the ...

  10. Water Heating

    https://greenhome.osu.edu/energy-efficiency/water-heating

    R-Value indicates a lower heat loss from the hot water tank. First-hour rating (FHR) This is the amount of ... may demand in the morning hours, and the first-hour rating must exceed your family demand. Recovery ... rating, which can also be referenced as the coefficient of performance (COP). 26 Fuel Oil A low viscosity ...

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