Home Energy Audits Home Comfort Assessment?...Your Trainer • John Fassler – Home Energy Auditor...
Transcript of Home Energy Audits Home Comfort Assessment?...Your Trainer • John Fassler – Home Energy Auditor...
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Home Energy Audits Home Comfort Assessment?
John Fassler
Home Energy Auditor BPI Building Analyst
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Your Trainer
• John Fassler – Home Energy Auditor with EnergyLogic – Have performed over 2,000 home energy audits in
Fort Collins, Cheyenne and Northern Colorado. – Over 20 years of experience in the homebuilding
industry. 10 years as a general contractor. – BPI Building Analyst – LEED AP? – RESNET certified
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Home Certifications
• HERS Index • Energy Star • LEED for Homes • Home Energy Score, DOE • Passive House • Pretty Good House
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Why Do People Get Audits
• House is uncomfortable. • Received a report from Fort Collins Utilities
that said they use more energy than most people in their neighborhood.
• Windows are leaky? • The audit is required to receive a rebate. • High energy bills. • It’s a great deal. ($60 in Fort Collins)
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Common Report Recommendations • Crawl spaces • HVAC ducts and equipment in the attic or crawl space • Attics • Knee walls • Rooms over the garage • Cantilevered floors • Leaky homes, ACH50 over 4.0? • Basements • Fireplaces • Windows… “We do audits to inform homeowners that
the windows are not the problem.” Not always true, but usually.
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Crawl Spaces The anti-logic zone.
Often a source of indoor air pollution. (Dust, mold, radon)
Insulate the walls and cut holes. Ventilation?
Crawl space with insulated floor. 92% efficient furnace and
ducts in crawl.
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Knee Walls
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Infrared
• Love it/Hate it… Great when it’s hot or cold outside. Can be misleading, use with caution.
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Rooms Over the Garage
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Cantilevered Floors
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Attics
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Ducts and Air Handler in Attic
When you see a home with ducts in the attic, you need to understand, that’s a design failure and it’s a quality failure and a performance failure. And if we just would educate people with that understanding, that that’s just a defect that the builder is forcing upon you the homeowner to have to live with. Then, if people understood it that way then that would shake a lot of people up, wouldn’t it? --Sam Rashkin
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Fireplaces
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Lessons Learned
• It’s OK to say “I don’t know.” • It can be difficult to identify and address health
and safety issues. • Physics is more reliable than intuition. • Indoor air quality is rarely addressed effectively. • Misinformation and myths about energy are
abundant. • Computer modeling doesn’t work for existing
homes. • Wear a long sleeve shirt and dust mask.
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Simple to Complex
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Resources • Green Building Advisor
www.greenbuildingadvisor.com • Home Energy Magazine
www.HomeEnergy.org • Residential Energy by John Krigger and Chris Dorsi
http://www.srmi.biz/bookstore/books/bkre-residential-energy
• Building Science Corporation www.buidingscience.com
• IAQ Radio www.iaqradio.com • Window and door parts and weather stripping.
http://www.allaboutdoors.com/
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Bicycle Audit