HHI-Pedia

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HHI-Pedia Entries

Hardboard	Manufactured wood product used in home construction for interior wall paneling, underlayment for carpeting and exterior siding.
Hazardous Waste	These products can threaten your family’s health and the environment.
HE Washing Machines	HE washers save significant energy over traditional washing machines by decreasing the amount of water needed per load and shortening drying times.
Headspace	The breathing zone in a room, in residences it usually extends from a few inches off the floor to about 6 feet off the floor.
Healthy Home Checklist	Done regularly, these tasks will help ensure clean air and greater safety inside your well-functioning home.
Heat Pipe	A sealed tube partially filled with a refrigerant, used in some HRVs to transfer heat between two airstreams.
Heat Pump Water Heaters	A heat pump also can be used to heat water - either as a stand-alone water heating system, or as a combination water heating and space conditioning system.
Heat Pumps	For climates with moderate heating and cooling needs, heat pumps offer an energy-efficient alternative to furnaces and air conditioners.
Heat-Recovery Ventilator (HRV)	A balanced ventilation device capable of transferring heat between the exhaust and supply airstreams.
HEPA Filter	Stands for High Efficiency Particulate Air filter, often used in hospitals and laboratories.
HERS	A home energy rating involves an analysis of a home’s construction plans, and onsite inspections.
Home Ventilating Institute (HVI)	An organization that certifies the airflow, sound, and energy performance of residential ventilation equipment.
HRV	Brings fresh air in and takes stale air out, while conserving heat or cooling energy.
Humidifier, Whole House	Basic tips on controlling humidity output. Don’t have a humidifier? You might not need it after all.
Humidistat	A control device that can be used to activate a ventilation system as the relative humidity falls. See dehumidistat.
Humidity	Humidity is moisture in the air in the form of invisible water vapor. See absolute humidity and relative humidity.
HVAC	Heating, ventilating and air conditioning explained.
Hydronic Heater	An electric appliance using hot liquid inside copper tubing to deliver heat.
Hygrometer	A device that senses relative humidity.
Hypoallergenic	This type of labeling is not quite a promise that an item will not trigger an allergic reaction.

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