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Advantages of Radiant Barrier

Reflective insulation and radiant barriers reduce the radiation of heat to or from the surface of a material. Radiant barriers will reflect radiant energy. A radiant barrier by itself will not affect heat conducted through the material by direct contact or heat transferred by moist air rising or covection. For this reason, trying to associate […]

HERS: Home Energy Rating System

Temperature of our model home on a Florida summer day (unfinished) Oasis Verde – New Model Home View Our Preliminary HERS Rating of 53: Energy Rating Report >> View Monthly AC/Heating Estimate of $21.00: Energy Summary Report >> View Case Study #1 for Madrid Home Retrofit: View Case Study What This Means A Home Energy […]

Heat Gain / Loss in Buildings

There are three modes of heat transfer: CONDUCTION, CONVECTION, and RADIATION (INFRARED). Of the three, radiation is the primary mode; conduction and convection are secondary and come into play only as matter interrupts or interferes with radiant heat transfer. As matter absorbs radiant energy, it is heated and a gradient temperature develops, which results in […]

Expanded Polystyrene Foam (EPS)

Advantages Environmentally Friendly: Contains no dyes, formaldehyde or ozone-depleting HCFCs, may contain recycled material and is 100% recyclable.   Insect and Mold Resistant: Can be manufactured with an inert additive that deters termites and carpenter ants. Also, does not sustain mold and mildew growth.   Stable R-Value: Has no thermal drift. Designers are well served […]


Hyper-insulation with Triple Protection From Heat Radiant Barrier, Ventilation and Insulation GreenStar Panels are designed to protect the building envelope in 3 ways and keep the heat from ever entering your attic. Typical attics though vented, can reach temperatures in excess of 160 degrees on a summer day. This heat works its way into the […]

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Fiberglass Insulation

Fiberglass insulation is made of silica sand and recycled glass, both abundant resources. Producing fiberglass insulation requires melting the materials in a fossil fuel–burning furnace, which consumes substantial amounts of energy and generates greater amounts of air pollution than the manufacture of other insulation types. If installed properly, there is little danger of inhaling fibers, […]

Cotton Insulation

Cotton insulation is made mostly of cotton—a natural, renewable resource—with a small amount of boron as a flame retardant and some polyester. Cotton insulation has a similar R-value to cellulose for a given thickness of insulation. The majority of cotton used in insulation is recovered from scrap generated in denim manufacturing; one company makes insulation […]

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