"Is the existing ductwork properly size based on Manual J/Manual D? Also, where is the location of the ductwork, the duct material (sheet metal, fiberglass ductboard, etc.) and the R-value of the existing duct insulation?…"
HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.See More
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Oak Ridge National Lab has partnered with GAF to host a technology challenge on roofing systems. The challenge is part of the online crowdsourcing site, JUMP, and aims to identify innovation solutions for ensuring energy efficient and durable…
Evaporative coolers, also known as swamp coolers have become a top choice for anyone looking for an alternative cooling solution from their home or office. In the past, evap cooler technology was limited for use in large operations that have easy…