4. Training
• BPA or CHER
• RESNET-accredited Training Provider
• Trainer has to pass the test
• 3 choices: RESNET, BPI or equivalent
home performance program (TXHERO)
Friday, March 4, 2011
5. Interview
• Occupant has environmental sensitivities
• If present, get written disclosure
• States “during the period of testing,
some amount of dust, particles or
soil gases already present in the
home may become airborne.”
• Ask about pets
Friday, March 4, 2011
6. Gas Leak Testing
• Check all fittings & joints in supply lines
& appliances
• Confirm suspected leaks with leak
detection fluid
• If found, STOP!
Friday, March 4, 2011
9. Gas Leak Testing
Flame
Roll-out
Gas Leak
Located
Here
Friday, March 4, 2011
10. Worst Case
Depressurization
• Only IF combustion appliances are
within building envelope
• Check for spillage, not backdrafting
• Start with smallest Btu appliance first
Friday, March 4, 2011
16. Process
1. Close exterior doors & 8. Turn on AHU
windows
9. Record ∆P wrt outside
2. Close fireplace dampers
10. If +, turn it off
3. Close interior doors
11. If -, close interior doors to
4. Baseline ∆ P rooms that have no returns
5. Baseline CO 12. If fireplace, use BD to
exhaust 300 cfm
6. Turn on exhaust fans
13. Record net change in ∆P
7. Record ∆P wrt outside between baseline & worst
case depressurization
Friday, March 4, 2011
23. Work Scope
• Meet code
• Airsealing: CAZ testing end of each
workday
• Based on: findings, needs & budget,
priorities identified, health & safety
Friday, March 4, 2011
24. Work Scope
• ID remedial actions that require prompt
attention, affect safety or requires a
licensed trade
• Clear enough for comparable bids
• “The estimated energy use and savings
information contained in the audit report
does not constitute a guarantee or
warranty of actual energy cost or usage.”
Friday, March 4, 2011
25. Emphasis on:
• ducts inside enclosure
• improve airflow & total system efficiency
• upgrades to enclosure
• improvements to lighting & appliances
Friday, March 4, 2011
27. Work Scope: CO
• Repair/replace prior to doing any work
• CO detector in main area each floor
• Oven CO levels > 200 ppm,
replacement or repair
• CO > 100 ppm, replacement or repair
Friday, March 4, 2011
