Accurate Tests for Exhaust Fans, HRVs & ERVs
General requirements for bathroom & kitchen exhaust fans How to use your DucTester as powered flow hood Why the new FlowFinder mk2 is the Gold Standard in testing How to…
Louisiana IECC Code Duct Testing
Building Envelope (Blower Door) Testing Under the 2009 IECC, builder compliance with blower-door testing is optional: either perform a test or confirm prescriptive sealing requirements. If chosen: The leakage limit…
Multiple Fan Testing for Large Buildings
How to Perform Automatic Multi‑Point Tests Use FanTestic to control multiple blower door fans simultaneously at varied pressures. The system automatically steps through 7 test points spaced from 15 Pa to…
Title 24 Testing Requirements
Single-Point & Multi-Point Blower Door Tests Single-Point Test (CF3R‑ENV‑20a): Measures air leakage at a single pressure ≈50 Pa to report ACH50 for compliance documentation. Multi-Point Test (CF3R‑ENV‑20b): Records airflow at several…
IECC Code Compliance for Blower Door, Duct Testing, Testing Exhaust Fans
Key IECC 2021 Requirements Test Type Requirement When to Perform Envelope Test ≤ 3 ACH50 (or ≤ 5 ACH50/performance path) After drywall/final trim Duct Leakage ≤ 8 CFM25/100 ft² if inside; ≤ 4 CFM25/100 ft² if outside Rough-in or final…
Residential Ventilation Primer
You will understand how to calculate ventilation for ASHRAE 62.2-2013. https://youtu.be/sGQpcOmYm6c Local Exhaust (Spot Ventilation) Bathrooms: 50 CFM (intermittent) or 20 CFM (continuous) Kitchens: 100 CFM (intermittent) or 5 ACH continuous(turn0search7) Local fans count…
IECC Code Compliance for Blower Door, Duct Testing, Testing Exhaust Fans
Residential Envelope Testing Target Rate: ≤ 3 ACH50 (air changes per hour at 50 Pa) for detached homes using the prescriptive path. Performance Path: Allows up to 5 ACH50 if offset by other energy…
Blower Door Testing for HVAC Contractors
– Testing the envelope provides accurate equipment sizing – Prevent call backs and comfort issues– The envelope is the largest duct system – it should tested– Add testing services for…
ENERGY STAR version 3: HERS Rater HVAC Testing
A demonstration of all testing required of HERS Raters for the new ENERGY STAR v3 Homes standard. https://youtu.be/czlCDo00Scs Commercial Flow Pan What it is: Pre-calibrated hood placed over exhaust registers…
Home Performance Testing: More than an Energy Audit for Home Improvement Projects
See what home performance is all about! Corbett and John from Green Dream Group demonstrate a comprehensive home performance analysis- which is more than an energy audit. https://youtu.be/bfRK7HpP-rM What Is…