ERV Setup Testing/Commissioning, Using Pressure Curves to Measure Airflow

Using a Renewaire SL70 energy recovery ventilator and a TEC DG-8 pressure gauge, Corbett demonstrates how to set the low and high speeds on an airtight home's balanced ventilation system.

See this ERV line at: https://www.renewaire.com/our-ervs/single-multi-family/sl-series

Get the DG-8 to test your own stuff: https://www.trutechtools.com/tec-minneapolis-dg-8-digital-pressure-gauge-kit.html

Ventilation design course: https://buildingperformanceworkshop.com/ventilation

How to Test HVAC Room Pressurization (Zonal Pressure Testing for HVAC Commissioning)

Using a TEC DG-8 manometer and a Testo 400 hot wire anemometer, Corbett evaluates the HVAC balancing in the home his family built in Atlanta. Keep your room pressures below 3 Pascals if you can, 5 Pascals will start to give you problems- rooms don't receive enough conditioned air, and/or whistling or doors closing from 'ghosts'.

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Watch the first ever TV series about the science of homes: https://HomeDiagnosis.tv

4 Year Old Tests Home Air Leakage

My daughter can find out whether your house will perform well or not- but I got to be her first client. She runs our Retrotec 5000 up to 50Pa and shows off how awesomely airtight our family's forever home will be for the next 100 years.

Get the book on testing homes: https://buildingperformanceworkshop.com/homeperformancediagnosticsbook

See more about the inner airtightness system: https://foursevenfive.com

More about blower door systems: https://retrotec.com

TOOL REVIEW: DG-1000 from Energy Conservatory and Minneapolis Blower Door

Corbett gives a crash course in the TEC’s DG-1000 used with Minneapolis Blower Door equipment (including the Duct Blaster, TruFlow Plate, and Exhaust Fan Flow Meter). TEC took away a few features like Equivalent Leakage Area estimation, but added the Tubing Assistant and firmware updating, which could endlessly add features based on user feedback.

Static Pressure Testing Demonstration

Watch building forensics expert Corbett Lunsford demonstrate Total External Static Pressure testing and pressure drop testing for a residential furnace and air conditioner. Learn to diagnose pressure problems in supply and return ductwork, filters, evaporator coils, and duct sections in just a few minutes with a minimum of testing tools!