Document Search

PV systems have come a long way in the last two decades. While they may not work for all homes, residential installations are becoming a practical reality under more and more conditions. Here are the… Read More

Heat loss from basements accounts for a significant portion of the energy loss from a home. In many jurisdictions, basement insulation is a building code requirement. Cost usually determines the type… Read More

Americans have been building homes with wood—shaping logs, joining timbers, nailing studs—for almost 400 years. Our current approach, stick framing, grew popular in the mid-1800’s (particularly in… Read More

This is a report describing the test methodology and results for experiments run on two test houses at the Bonita Springs development in Fort Myers, FL. The goal was to determine the effect of attic … Read More

High performance building envelopes require controlled ventilation systems, sealed combustion appliances and allow the use of innovative air distribution systems. The optimum controlled ventilation… Read More

Forced air distribution ducts are often hard to seal. Air leakage in ducts makes it difficult to assure that the correct quantity of air is conveyed to or from the intended space. In order to reduce… Read More