
Spotlight Article:
A New Way to Reduce Multifamily Air Leakage
While tight exterior envelopes have become standard for single-family homes, they have been slow to reach the multifamily sector. Multifamily buildings have many of the same leakage paths as houses, as well as additional paths ...
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Fuel Use in Multifamily Buildings
Multifamily buildings with more than five units make up about 17% of all U.S. housing, yet scant information exists on the fuel use of these building in specific locations (see "Multifamily Statistics"). [continue reading]

Saving Energy Fairly in Multifamily Homes
How do you promote energy conservation and fairly allocate energy costs in apartment buildings without upsetting tenant-owner relationships? [continue reading]

New Wall System Keeps the Lead Out and the Heat In
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]

Multifamily Research Gets in Hot Water
Many plumbing and heating designers have considered the tankless coil heating system to be the least efficient method of heating domestic hot water (DHW) in a multifamily building. [continue reading]

Experts Ponder Multifamily Ventilation Solutions
How do you use diagnostic equipment (such as blower doors, and pressure sensors) to measure air flows in high-rise apartment buildings? [continue reading]

Chicago Apartments Get New Lease on Life
Walking through abandoned multifamily buildings is urban spelunking. The buildings are dark, dreary, and damp. Water drips in from the roof. Pitfalls abound. One must be cautious of dark shafts and mounds of who-knows-what. H [continue reading]



Building Performance Journal Editors
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Jim Gunshinan
Is Energy Efficiency an American Value?
Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.


