What do you get when you cross a deep energy retrofit with an 1880s Victorian-style home?
A new test of the thermal performance of a wall built with 19-inch straw bales laid flat revealed that the wall had an R-value of 27.5. [continue reading]
A new product called the Residential Utility Core Wall (ResCore) can save from $500 to more than $2,000 in construction costs for site-built homes. [continue reading]
The National Association of Home Builders Research Center recently compared various wall insulation products, and found that with good air sealing, different insulation systems do not necessarily change a home's airtightness. [continue reading]
Sales of insulating concrete forms (ICFs) are growing over 50% per year, and last year an estimated 4,000 houses were built with ICFs. [continue reading]
For the last 10 years, Reward Wall Systems, a manufacturer of insulating concrete forms (ICFs) in Omaha, Nebraska, has offered an energy guarantee: their ICFs save homeowners 70% on heating and cooling compared to the 1992 Model Energy Code (MEC), or Reward pays 110% of the difference in energy costs. [continue reading]
The presence of lead-based paint in older multifamily housing is a major public health concern. Dealing with these lead hazards offers opportunities for improving not only the health of the occupants but also the energy performance of the units. [continue reading]
Wall insulation clearly saves heating energy, but does it save cooling energy as well? [continue reading]
Here are the final numbers for my Energy Upgrade California home retrofit. Table 1. Air Leakage (CFM50) Test-in air ...
The net-zero energy test house at the National Institute of Standards and Technology (NIST) in suburban Washington, D.C., not ...