Marc, today's charrette was terrific. Thank you for your truly generous collaboration. You've caused me to turn a mental corner. Until recently, I thought that that to do really intelligent buildings, we'd need the right clients, the right engineers, and a premium budget. Thanks to you, I now believe that to do intelligent buildings all we need is INTELLIGENCE!—and the guts to ask the simple questions until we get the answers, and the courage of our convictions to persuade others...

We can do this and it will change things. You've empowered us. Thanks. –Ellen

Livermore Deep Energy Retrofit

John Livermore is a man on a mission - to reduce his family's carbon footprint across their housing, transportation and food. An experienced energy professional himself, John engaged Marc to help design the envelope and systems upgrades on his 1970s raised ranch. Interior rigid foam on the lower level slab and walls, Larsen trusses and closed cell spray foam on the exterior walls, air sealing and blown-in cellulose in the attic, and triple glazed fiberglass windows comprise the new envelope. This envelope makeover enabled the family to use the lower level woodstove to provide all the heating. With a new solar hot water system, the gas boiler only provides back-up hot water. From May '09 through Jan. '10, the Livermores have used 30 therms of gas. A 4.3 kW solar electric system produced 4,871 kWh in 2009, which was 1,902 kWh more than the family used. John calculates the baseline CO2 emissions at 9.2 tons, and the current CO2 emissions at 0.3 tons! Along with the Bindley House, this is one of the first participants in the Thousand Home Challenge.

Livermore THC Case Study (6.3 MB)