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  1. 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 ...

  2. Natural Ventilation

    https://greenhome.osu.edu/natural-ventilation

    typologies and controls different types of windows will result in different ventilation rates. External ...

  3. Roofs

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

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

  4. 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 ...

  5. Geothermal

    https://greenhome.osu.edu/renewables/geothermal

    geothermal system types. Learn more about their rating system at Geothermal Heat Pumps Key Product Criteria ... by Energystar.gov- Energy efficiency requirements for ENERGY STAR® rated getoehrmal heat pumps.  ...

  6. Insulation

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

    a rate of return on the investment.   Resources   "One Year in Foam House" by Gary Freeman- ...

  7. Agricultural Solar Electric Investment Analysis Webinar Series

    https://energizeohio.osu.edu/events/agricultural-solar-electric-investment-analysis-webinar-series

    important variables, including the details of the individual rate structure, net metering agreements, and ... the assumed energy escalation rate that influence the value of electricity a PV system produces. ...

  8. Photovoltaics

    https://greenhome.osu.edu/renewables/photovoltaics

    on your home’s electricity rates and usage, PV system outputs and efficiencies, and incentives ...

  9. Students Invited to Help Feed the World

    https://news-archive.cfaes.ohio-state.edu/news-release/students-invited-help-feed-world

    visit programs in bioinformatics, disease diagnostics, disease management, organic agriculture, urban ...

  10. Solar Hot Water

    https://greenhome.osu.edu/renewables/solar-hot-water

    solar water heating efficiency, most panels are rated with a solar energy factor (SEF) and solar ...

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