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  • Polyurethane and polyisocyanurate

    Polyurethane can be a flexible foam, as used in upholstery, or a rigid foam, as in insulation.
  • Pressure Washer

    They’re great outdoor cleaning tools, but they can cause severe injury or damage if misused.
  • Preventive Maintenance

    A preventive, systematic approach to health, safety and comfort is a homeowner’s best defense against poor air quality, unexpected breakdowns and expensive repairs.
  • Radiant Cooling

    Radiant cooling cools a floor or ceiling by absorbing the heat radiated from the rest of the room.
  • Radiant Heating

    Forced air heating is not the only option.
  • Radon

    A naturally occurring radioactive gas, often released from soil and rocks.
  • Range fan

    The hood has a removable filter that’s essential for reducing airborne grease.
  • Recycling Symbol, Plastic

    How to “read” plastic containers for recycling.
  • Relative Humidity (RH)

    The amount of moisture in air compared to the maximum amount of moisture that air at that temperature can contain, usually expressed as a percentage.
  • Sealed Combustion

    A system in some furnaces, boilers, fireplaces, and water heaters that is immune to pressure imbalances in a house because it draws combustion air from the outdoors into a sealed chamber and expels by-products to the outdoors.
  • Sensible Heat

    The amount of heat involved in raising or lowering the temperature of air, not including any heat required to cause water vapor to change state (e.g. from a gas to a liquid).
  • Spray-On Insulation

    Insulation products that start out as a liquid, but end up as a solid.
  • Terpene

    Terpenes are hydrocarbons - organic compounds made up of hydrogen and carbon - mainly from plants, and the main constituent of essential oils.
  • Total Dissolved Solids (TDS)

    Total dissolved solids are dissolved particles found in water that are small enough to pass through a .45 µm filter.
  • Total Solids (TS)

    Total solids are the weight of total dissolved solids (TDS), total suspended solids (TSS) and settleable solids per unit volume of water.
  • Total Suspended Solids (TSS)

    Total suspended solids, sometimes called filterable solids, are typically larger particles found in water that will not pass through a .45 µm pore-diameter filter.
  • Toxoplasmosis

    A concern for pregnant women and anyone with a weakened immune system.
  • United States Environmental Protection Agency (USEPA)

    A federal agency charged with monitoring and regulating environmental quality, including air quality, and providing research-based information to the public.
  • Vapor Pressure

    A force that drives vapor molecules from an area of high concentration to an area of low concentration. In homes this typically refers to water vapor pressure.
  • Vapor Steam Cleaners

    Vapor steam cleaners are versatile machines that offer the benefit of chemical-free cleaning.

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Popular Topics: Air Cleaners & Air Purifiers | Allergies & Asthma | Energy Efficiency & Energy Savings | Healthy Homes | Green Building
Green Cleaning | Green Homes | Green Living | Green Remodeling | Indoor Air Quality | Water Filters | Water Quality

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