Home Energy Rating System (HERS)

by | Jul 30, 2000 | Green Terms "H"

Home Energy Rating System (HERS) A scoring system established by the Residential Energy Services Network (RESNET). Homes built to the specifications of the HERS Reference Home (based on the 2006 International Energy Conservation Code) scores a HERS Index of 100, while...

Heat Exchanger

by | Jul 30, 2000 | Green Terms "H"

Heat Exchanger Two-way air conditioner that heats and cools by exchanging heat with the ground through a buried loop.

Hydrozoning

by | Jan 1, 2000 | Green Terms "H"

Hydrozoning: A landscape practice that groups plants with similar water requirements together, in an effort to conserve water. Hydrozoning also seeks to take advantage of microclimates. Plants that tolerate more heat and wind might be planted near the street, while...

Hydroponics

by | Jan 1, 2000 | Green Terms "H"

Hydroponics is system where plants are grown without soil, but fed mineral-enriched water.  Some may say the use of hydroponics is urban farming, because hydroponics can occur in any indoor facility as long as the following are controlled: light, temperature, water,...

Hydrological drought

by | Jan 1, 2000 | Green Terms "H"

Hydrological droughts are typically described by a reduction in lake storage, a decrease of stream flow discharge, and a lowering of groundwater levels over large areas, over one year or several consecutive years.