How to Get a Better HERS Rating
-
Upload
bearbradley -
Category
Business
-
view
1.176 -
download
0
Transcript of How to Get a Better HERS Rating
![Page 1: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/1.jpg)
How to get a better HERS ratingReally it is about how to build a
better house
Chet PashoNovember 3, 2010
www.preferredbuildings.com
![Page 2: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/2.jpg)
Major components of a HERS rating
• Air sealing• Insulation levels• Thermal bridging• Ventilation • Equipment choices – heating, cooling, • Lighting• Appliances
![Page 3: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/3.jpg)
Before you start digging
Enroll your new home in the ENERGY STAR program .
Get a plan review.Develop strategies to improve the performance
of your new home.
![Page 4: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/4.jpg)
Start at the foundation
• Proper drainage and backfill• Radon collection• Insulate the foundation walls• Insulate the slab• Air seal the foundation• Air seal the sill
![Page 5: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/5.jpg)
Air sealing – how important is it really?
• Heat loss• Moisture transfer
![Page 6: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/6.jpg)
Floor to wall connections
![Page 7: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/7.jpg)
Air sealing walls
• Air tight drywall
![Page 8: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/8.jpg)
Attic air sealing..
• Access panels• Pipes• Wires• Partitions• Chimneys• ducts
![Page 9: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/9.jpg)
Attic air sealing-why is it important?
![Page 10: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/10.jpg)
“Filtered air”
![Page 11: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/11.jpg)
![Page 12: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/12.jpg)
Pipes and wires
![Page 13: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/13.jpg)
Insulation- what kind?
• Fiberglass• Cellulose• Spray foams• Sheet foams• Hay bales
![Page 14: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/14.jpg)
Insulation – how much?
![Page 15: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/15.jpg)
Windows and doors
• U values• SHGC values• Infiltration rates
![Page 16: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/16.jpg)
Thermal bridging???
![Page 17: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/17.jpg)
OVE framing
![Page 18: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/18.jpg)
Insulated sheathings
![Page 19: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/19.jpg)
Why ventilate?
• Moisture control• Odors• VOC’s• Radon
![Page 20: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/20.jpg)
How much to ventilate?
![Page 21: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/21.jpg)
What equipment to use?
• Exhaust only• Balanced ventilation• HRV/ERV
![Page 22: How to Get a Better HERS Rating](https://reader033.fdocuments.us/reader033/viewer/2022042700/557e3057d8b42ac75f8b481f/html5/thumbnails/22.jpg)
No silver bullet
• Attention to small details• Educate your customers• Educate subs• Educate your crew• Create ownership and enthusiasm• Throw a party• Market the energy efficiency of your homes