Evergreen Your Home: an energy efficiency blog

Rockland Public Library: Part 8

By Evergreen - February 6th, 2012

Rockland Public Library: The Home Stretch It ' s our last week at the Rockland Public Library . We usually spend a week, maybe two, on a job, but then again, we usually work on homes. A big municipal building is a different…

Rockland Public Library: Part 7

By Evergreen - February 3rd, 2012

Mind the Gap at the Rockland Public Library It ' s pretty obvious that when we ' re air sealing, we ' re closing gaps. What might surprise you is how many gaps there are, all over the most solid of buildings. Gaps between…

Rockland Public Library: Part 6

By Evergreen - January 24th, 2012

Before Infrared Images from the Rockland Public Library Infrared analysis allows us to see temperature differences by measuring the infrared radiation each object emits. Warmer objects emit more infrared radiation and appear yellow; cooler objects appear pink to purple to even black.

Rockland Public Library: Part 5

By Evergreen - January 23rd, 2012

Retrofitting the Rockland Public Library: In the Walls Whether we ' re working in a private home, the Knox County Courthouse , or the Rockland Public Library , we spend a lot of time in attics and basements. Since they ' re typically unfinished,…

Rockland Public Library: Part 4

By Evergreen - January 18th, 2012

Retrofitting the Rockland Public Library: In the Basement The main part of the Rockland Public Library ' s basement runs beneath the new section, shown at the top of this diagram. Other than the Mechanical Room, this is all finished space, with rooms for teens…

Rockland Public Library: Part 3

By Evergreen - January 17th, 2012

Retrofitting the Rockland Public Library: Up in the Attics This is the Rockland Public Library in 1904: It still looks much the same from Union Street, but the other side boasts a new wing with a new main entrance. We ' ll…

Rockland Public Library: Part 2

By Evergreen - January 13th, 2012

Retrofitting the Rockland Public Library: Setting the Scene The Rockland Public Library attics have several access points, but the main hatch opens just above this beautiful arch. We ' re spending a lot of time at the Library this month, thanks to a major

Rockland Public Library: Part 1

By Evergreen - January 13th, 2012

Energy Assessment and Efficiency Recommendations Although Evergreen focuses primarily on residential energy efficiency, we can ' t resist municipal projects in our own backyard. So when the trustees of the Rockland Public Library approached us with concerns about high energy bills, uneven temperatures, and…

Merry and Bright

By Evergreen - January 2nd, 2012

Happy New Year! 2012 has long been anticipated as the end of the Mayan calendar and the beginning The New Age of Light Bulbs. As of yesterday, 100-watt light bulbs must be at least 25% more efficient their packages must explain…

What's the ROI?

By Evergreen - December 1st, 2011

Homeowners considering energy efficiency projects ask a lot of the same questions. Will this really make our house more comfortable? How much will it save us on energy bills? And most importantly, what ’ s the return on our investment? Until recently, that…