Iain Walker does research in the Residential Building Systems group at Lawrence Berkeley National Laboratory (LBNL).


Garbage Bags and Laundry Baskets
Homemade air flow diagnostic tools get professionally tested. [continue reading]

An Easier Way to Measure Duct Leaks
Finally, a duct leakage measurement that HVAC contractors might even love. [continue reading]

California Building Codes Raise New Challenges
Wet Georgia Crawlspace Q. I have too much moisture in the crawlspace of my 1971 single-level brick home in west central Georgia. Can you recommend a method to lower the ... [continue reading]

Wet Georgia Crawlspace
Wet Georgia Crawlspace Q. I have too much moisture in the crawlspace of my 1971 single-level brick home in west central Georgia. Can you recommend a method to lower the moisture ... [continue reading]

Introducing Fresh Air
Q. I am trying to find out how much fresh air is required to be introduced to an apartment by means of a forced-air furnace. I understand that the manufacturer ... [continue reading]

What's Up with Duct Tape?
New tests for duct tape include testing the strapping that holds duct connections together and testing the longevity of duct sealants. [continue reading]

Toxic Mold
Q.We just moved into a brand-new house in April, and paid more than twice what we paid ... [continue reading]

Reducing Air Handler Electricity Use: More Than Just a Better Motor
These days, manufacturers are able to produce relatively efficient appliances for people’s homes. It is not uncommon to see A/C units with SEER 14, or furnaces with ... [continue reading]

