Key IECC 2021 Requirements Test Type Requirement When to Perform Envelope Test ā¤āÆ3āÆACH50 (or ā¤āÆ5āÆACH50/performance path) After drywall/final trim Duct Leakage ā¤āÆ8āÆCFM25/100āÆftĀ² if inside; ā¤āÆ4āÆCFM25/100āÆftĀ² if outside Rough-in or final…
You will understand how to calculate ventilation for ASHRAE 62.2-2013. https://youtu.be/sGQpcOmYm6c Local Exhaust (Spot Ventilation) Bathrooms: 50āÆCFM (intermittent) or 20āÆCFM (continuous) Kitchens: 100āÆCFM (intermittent) or 5āÆACH continuous(turn0search7) Local fans count…
Residential Envelope Testing Target Rate: ā¤āÆ3āÆACH50 (air changes per hour at 50āÆPa) for detached homes using the prescriptive path. Performance Path: Allows up to 5āÆACH50 if offset by other energy…
– Testing the envelope provides accurate equipment sizing Ā – Prevent call backs and comfort issues– The envelope is the largest duct system – it should tested– Add testing services for…
Corbett Lunsford reviews the new Retrotec DM-32 Smart Gauge, and uses it to run a blower door test in Georgia while he sits in Chicago. Featuring home performance trainer extraordinaire…
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…
StepābyāStep CrossāPort Check Prep Gauge Settings Set Time Averaging to around 4ā5 seconds, and switch both Channel A and B to display Pressure (Pa). Input Ports Test (Blue & Green)…
Remove Grilles and Covers Start by taking off all supply and return register grilles. This provides direct access for sealing and ensures no hidden leaks behind covers. Securely Plug Each…
1. Exhaust Flow Pan A commercial pan like Energy Conservatory’s Flow Meter captures airflow from exhaust fans. Place it over the grille to measure CFM directly. Pro tip: Good for…
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…
