The Perfect Wall and the Building Science Blues
What is the Perfect Wall? And, why does it give me the building science blues? This article answers both of those questions, and it tells how some of the best building scientists on the continent, ...
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]
When considering installing solar in your home, it can be difficult to decide who to trust. There are many companies ...
Last year was a great year for HPXML, the open data transfer standard for the residential energy efficiency industry. We ...