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  • Water Conditioner

    These systems often soften hard water.
  • Bottled Water

    It’s convenient and healthful, but is it “green?”
  • Perchlorate

    As a pollutant, perchlorate is found in groundwater, surface water and soil and has proven to be a pervasive contaminant of agricultural and manufactured food products.
  • Noise Pollution

    The traditional definition of noise is 'unwanted or disturbing sound'.
  • Water Purifier

    These systems rid water of everything from chlorine to microbes and heavy metals – an important consideration for those with health issues.
  • Bathroom Fan

    Exhaust fans aren’t just for keeping the bathroom from smelling bad.
  • ERV

    Energy recovery ventilators (ERVs) are heat recovery ventilators (HRVs) that exchange moisture between the two air streams.
  • British Thermal Unit (BTU)

    The amount of heat required to raise the temperature of 1 pound of water 1°F.
  • 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.
  • Concrete

    Durable, versatile material made of four main ingredients: cement, aggregate, water, and admixtures.
  • Energy-Recovery Ventilator (ERV)

    A balanced ventilation device that transfers both heat and humidity between the exhaust and supply air streams.
  • Latent Heat

    The amount of heat that must be removed from air to change the water vapor from a gas to a liquid without changing its temperature.
  • Activated Carbon

    A form of carbon used as an adsorption or pollutant-reduction material in air or water filters, often derived from coconut, wood, or coal.
  • Filtration

    The process of removing particles or pollutants from air or water.
  • Blower Door Test

    Blower door tests help determine a home's airtightness.
  • 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.
  • 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).
  • Phosphates

    Once widely used to soften water for use in washing machines, some makers have reduced use of these chemicals.
  • Ozone

    “Good up high, bad nearby,” according to one government agency. Here’s why.
  • Heat Pumps

    For climates with moderate heating and cooling needs, heat pumps offer an energy-efficient alternative to furnaces and air conditioners.

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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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