Reviewer reports on the very first DM32
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…
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…
Field check your DM 32 gauge
Step‑by‑Step Cross‑Port Check Prep Gauge Settings Set Time Averaging to around 4–5 seconds, and switch both Channel A and B to display Pressure (Pa). Input Ports Test (Blue & Green)…
Sealing registers
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…
Residential ventilation: Eight ways to measure it
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…