Testing a Radon Mitigation System

Corbett teams up with Fantech's aerospace engineer and radon system expert Hamid Massali to prove the radon mitigation field works, and find out how much airflow the radon fan will need to exhaust to maintain safe air quality indoors.

More on this PFEDK system at: https://shop.fantech.net/en-US/pfedk--rn--diagnostic--tool--kit/p401891

More on radon's health impacts at: https://www.cancer.gov/about-cancer/causes-prevention/risk/substances/radon/radon-fact-sheet

Corbett and Grace are not joking around- they will diagnose the crap out of the forever home they're building. Here's another example of creative testing that can tell us secrets about predicting and preventing failures in the indoor physics, chemistry, and microbiology of homes. Check out the Cirrus smoke tool, and others demo'd here: https://www.trutechtools.com/Cirrus-CWI200-Wind-Indicator

More on this house and the TV show at: https://HomeDiagnosis.tv/atlanta-homestead

2020 Update from Corbett and Grace

Here's a quick update on what Grace and Corbett will be doing to help change the building industry over the next few months. We need everyone's help to make the change, so please consider joining us at: https://Patreon.com/HomeDiagnosisTV

How a Trip to Europe Changed Our Work

This is not so much about building science specifics- more about 'Home Diagnosis' co-creator Corbett Lunsford's revelations while traveling through Venice and Bern. Read 35 year's worth of home performance articles at: http://HomeEnergy.org

Join the Building Performance Association at: http://Building-Performance.org

Watch the first-ever TV series about Building Performance at: https://HomeDiagnosis.tv

Houses That 'Breathe'

'Home Diagnosis' TV hosts Grace and Corbett Lunsford quickly explain why it's a mistake to avoid air sealing homes. Homes DO need to 'breathe', but not through gaps and cracks we leave in the enclosure. More at: https://HomeDiagnosis.tv

Become a member and help make this show: https://Patreon.com/HomeDiagnosisTV

Radiant Barrier: How Does It Work?

'Home Diagnosis' co-host Corbett Lunsford uses an infrared thermal camera to demonstrate how a radiant barrier works. This one is built into the Thermostat roof sheathing, and it needs to be kept clean and have an air gap against the radiant barrier coating.

More on Thermostat at: http://BuildGP.com/thermostat

Roof Rain Screen Design and Installation

On his family's 3:12 pitch roof, Corbett Lunsford installs a ventilation gap before the 24 gauge standing seam galvanized roof goes up.

Learn more about the furring strips at: http://Cor-a-Vent.com

More about tapes and membranes at: http://FourSevenFive.com

More about this build at: https://HomeDiagnosis.tv/atlanta-homestead

Manual J Load Calculations: What, Why, How, When, and Who?

Now that Corbett has been doing HVAC load calcs for almost a decade, he's ready to make this very long (and also much too short) video tutorial about the what, why, how, when, and who of heat load calcs for sizing your HVAC equipment.

Cleaning House May Be Bad for Your Family

Home Diagnosis co-host Corbett Lunsford explains why the HOMEChem scientists are saying cleaning might not be the answer for indoor chemistry. Explore the meaning of vacuuming with and without a HEPA filter, and where a central vacuum system should be installed to keep from totally messing up your indoor physics and chemistry. Subscribe to Healthy Indoors Magazine for free at: http://HealthyIndoors.com

Check out this NuTone HEPA central vac system at: http://www.nutone.com/purepower

More on this build at: https://HomeDiagnosis.tv/atlanta-homestead

How to Build Bolt-On Roof Eaves Separately from the Enclosure

Corbett Lunsford demonstrates how to add 2-ft. eaves to a high performance home enclosure using 475 Building Supply tapes and membranes and ForceField WRB. Check out the sealing products used at: http://FourSevenFive.com

More on this build at: https://HomeDiagnosis.tv/atlanta-homestead

Become a member and help make the TV show: https://Patreon.com/HomeDiagnosisTV

Hurricane Stress Test for Homes

'HOME DIAGNOSIS' hosts Grace and Corbett Lunsford are first-time home builders, but they're willing to push the limits where other builders would run away screaming. Check this out, it's pretty wild- never been seen before onscreen, and soon to be seen on TV in Season 2!

Become a member and help this show get made: https://Patreon.com/HomeDiagnosisTV

More about this unique build: https://HomeDiagnosis.tv/atlanta-homestead

Home Ventilation for the 21st Century

There's a lot of mythology and misinformation about how to ventilate homes, and here Corbett shows, with the assistance of Phil Rivas from Fantech, how a perfect ventilation system gets built with 5 classes of HVI-certified equipment.

More on these products at: http://Fantech.net

More on HVI (Home Ventilating Institute): http://HVI.org

More on this build at: https://HomeDiagnosis.tv

Super Airtight House: Blower Door Test

Corbett and Grace and their family have built a house that has better control over air leakage than 99.999% of any house ever built, anywhere in the universe. Here's how they found out.

Become a member and help make this show! http://Patreon.com/HomeDiagnosisTV

Learn more about this build at: https://HomeDiagnosis.tv