Thanks to Rob Granger of YES Foam Insulation Specialists in Allegany, New York for this month’s stumper, published in the November issue of Performance Matters: The homeowners of a 60+ year old, two story home called an energy company to solve ice dam problems on their shingle roof. Because the home had a furnace and heating distribution system (ductwork) in the attic, it was a prime candidate for spray foam to the underside of the roof deck to bring the attic into the envelope. Indeed, the air conditioning costs of the house went down significantly after the roof deck was spray foamed with 5.5 inches of two pound foam. However, the first winter after the work was done, the home still suffered from ice dams. The ice dams were less but still cause for concern. Soon after the spray foam was completed the homeowners had the shingle roof covered with a new metal roof, and replaced the furnace and air conditioning with more efficient units.

 

Think you know the answer?

Figure out what is going wrong with the house, write it up along with your prescribed solution, and share your wisdom by posting your answer right here in our comments section. You can also send it to us at lmcdowell@bpi.org. If you’re the first person to get the right answer, we’ll feature you, your company and your answer in the next issue of Performance Matters!

Tags: Chump, Matters, Performance, Stump, audit, dam, efficiency, energy, ice, puzzler, More…the

Views: 95

Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.  Home Energy Pros is sponsored by the Better Buildings Residential Network.

Latest Activity

tedkidd replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Bob, here is where our perspectives diverge. I think people should switch to electric because they…"
5 hours ago
tedkidd replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Here our thinking falls out of alignment. Going to electric is default for me. People can't…"
6 hours ago
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"If you are going to stay with gas service, might as well keep the gas water heater. Switching gas…"
6 hours ago
tedkidd replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"8 people, sometimes under 10 therms. Just not enough energy used heating water to get obsessive…"
6 hours ago
Eric Kjelshus replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Biggest is to keep the CO  or other gas down in building  "
7 hours ago
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Look at your SUMMER gas bill where water heating accounts for most of your gas use. 10-15 therms…"
7 hours ago
Bob Blanchette replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"The marathon fails miserably in operating costs when compared to an ordinary gas water heater.. NG…"
7 hours ago
Richard C. MacCrea replied to Damien Greenfield's discussion Is there is cost saving for you in having a tankless water heater?
"Most of the posts here are far too narrow in scope. To make the best decision you need to…"
22 hours ago

© 2015   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service