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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Static Pressure Testing for Home HVAC: What, Why, and How in 2 Minutes

If the ductwork of an HVAC system is not designed, installed, and maintained properly, your home may start to have problems in comfort, humidity control, dust, noise, and equipment failure. Here's the basics you should understand before asking your HVAC installer or service tech to run static pressure testing. From 'Home Diagnosis' episode 209- watch the whole episode: https://homediagnosis.tv/episode-209-opening-the-ice-box-cooling-and-drying

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Tools used are Retrotec DM-32 gauge and Minneapolis 300 blower door, available at: https://TruTechTools.com

How Perfect Can a New Home's Chemistry Get? Healthy Indoors Minute

Even with their newly-finished home still obviously off-gassing, and with a massive amount of wood finishes and structural materials certainly emitting formaldehyde, this high performance forever home is testing like a decades-old, well-established house as told by chemist Alice Delia of Prism Analytical. Through the selection of low-emitting materials where possible AND 24/7 ventilation of the spaces, the Lunsfords have achieved their goal of a sanctuary with limited chemistry.

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Water Heater Safety: Combustion Testing and Inspection in a Home Renovation: Healthy Indoors Minute

Corbett finds an atmospheric draft water heater that's spilling its combustion gases into the home's basement. See the inspection and testing that go into the analysis of how to solve the issue, and learn to protect your clients and your own family in the process. Using a Wohler A450 combustion analyzer, Retrotec DM-32 and Cirrus Wind Indicator, all from https://TruTechTools.com.

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Career as an HVAC Expert- What Is It?

SMART KIDS, AND PEOPLE WHO KNOW SMART KIDS: we need your help! Meet Kaleb Saleeby, who explains that the day to day work of HVAC is a superhero scientist story. Learn A TON MORE FOR FREE at: http://HVACRschool.com

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Tree Testing with a Resistograph: Home Performance Outdoors

Home Diagnosis hosts Grace and Corbett Lunsford show the process of testing the gigantic old tree growing over their tiny house and normal sized new house. The question: whether to trust it and let it grow, or cut it down before it crushes important stuff. See how it works, and what the verdict was!