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3398 Washington Road
Atlanta, GA 30344
USA

773.398.5288

Advanced residential construction and home improvement consulting and owner's advocacy in Atlanta, using the latest building performance diagnostic and modeling techniques and tools. Airtightness, insulation, HVAC, ventilation, moisture, and air quality and EMF consulting for homeowners and building professionals alike.

Videos/Podcasts/Articles

Home performance articles and stories from the field with internationally respected building forensics guru Corbett Lunsford at the Building Performance Workshop. Hear new episodes of the Building Performance Podcast, see new videos from the Home Performance YouTube channel, and learn all about how diagnostic testing (more than an 'Energy Audit') can make home improvement and new home construction a proven process!

Filtering by Tag: testing

How to Start a Mold Investigation Inexpensively: GOT MOLD? DIY Mold Test Kit

Corbett Lunsford

Our friend, longtime mold inspector Jason Earle has developed an affordable DIY kit for renters, teachers, and anyone else who'd like a quick and easy way to spot check for airborne mold. Here's his background with mold exposure from childhood, and what led him to R&D for this valuable monitoring solution. Check out the kits or order one: https://GotMold.com

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

Corbett Lunsford

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

Our DIY Forever Home Build: Testing Blower Door, Infrared, HVAC, Pressure Imbalances

Corbett Lunsford

From ‘Home Diagnosis’ Season 2 ep13: See what comprehensive home performance testing looks like, as we prove the forever home we built does what we designed it to do. Test instruments used, all available thru https://TruTechTools.com:

  • Retrotec 5000 blower door and DM-32 pressure gauge

  • Retrotec Flow Box

  • Hikmicro M30 infrared thermal camera

  • TEC DG-8 pressure gauge

  • TEC TruFlow Grid

  • HOBO MX1101 temp/humidity datalogger

  • Testo 400 large vane anemometer

Watch the whole episode: https://homediagnosis.tv/episode-213-proof-testing-the-house

Behind the Scenes at the Blower Door Factory: Fan and Manometer Calibration

Corbett Lunsford

https://www.youtube.com/watch?v=Cu2m0GP6v38

Peek behind the curtain at Retrotec, into the calibration process for new and old blower doors and duct testing fans. Thanks to Alex Peelle and Jay Edmonds for the technical tour.

More about these systems at: https://retrotec.com

Get trained and certified on blower doors and duct testing in 1 day with me: https://buildingperformanceworkshop.com/det-verifier

Become a member, support our work, and get behind the scenes access: https://Patreon.com/HomeDiagnosisTV

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

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

Corbett Lunsford

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

Join our Patreon membership and get behind the scenes with us making the next season of the show! https://Patreon.com/HomeDiagnosisTV

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

Roasting the Home HVAC Industry on National TV: Technicians vs. Mechanics

Corbett Lunsford

HVAC technicians will someday be the masters of the science of homes, but right now it's not looking too hot. Hear from Jim Bergmann, one of the world's HVAC legends, why most HVAC installs are wrong from the minute the load calculations are started using Manual J, Manual S, and Manual D without using a blower door first.

Watch the show at https://HomeDiagnosis.tv

Support our work changing the building industry: http://Patreon.com/HomeDiagnosisTV

Start testing your HVAC installs with: https://measurequick.com/

Get your blower door at: https://www.trutechtools.com/system-blower-doors-and-duct-testers.html

Basic Building Science for Homes: Testing is the Cornerstone (from Home Diagnosis)

Corbett Lunsford

In our practice of diagnostics, inspections, computer modeling, load calculations, and verifying that healthy home targets have been achieved, we use a very simple approach, and here it is. From season 2 of Home Diagnosis: https://HomeDiagnosis.tv

How Hard is our ERV Working? Testing the Chemical Exhaust, Dust Samples, Rugs, and Formaldehyde

Corbett Lunsford

Corbett is testing his family's new high performance home for chemicals- in the dust of the floor, in potential allergens in the (very nice) used rugs they're getting, and even in the exhaust of their energy recovery ventilator (ERV). Thanks to Prism Analytical (http://pati-air.com) for being ready to give us the full rundown of what the results mean next month- don't forget that ANYONE can do these tests in any scenario- it's not rocket science. Subscribe to Healthy Indoors Magazine and join the online community: https://HealthyIndoors.com This ERV is the SER150 from: http://Fantech.net Join our Patreon members for behind-the-scenes access and to support our work: https://Patreon.com/HomeDiagnosisTV See the first-ever TV series about the Science of Homes: http://HomeDiagnosis.tv

HVAC IAQ Mythbusting with Dr. Jeffrey Siegel: Building Performance Podcast #90

Corbett Lunsford

Today we talk with Dr. Jeffrey Siegel about research on residential HVAC, filters, UV lights, electronic air cleaners, mini-splits, humidifiers, and ventilation abroad. For anyone who's interested in HVAC even a little bit. You'll thank yourself if you stay tuned to the end! For more podcasts: http://BuildingPerformancePodcast.com

For those of you who prefer audio only:

HVAC Airflow Diagnostics: Testing Carved Grilles for CFM, Velocity, Pressure Drop, and K-Factor

Corbett Lunsford

Our longtime friend and Patreon supporter Scott Marner (who manages QA for Illinois' Ameren home performance program) joined me to do some off-label, outside-the-box diagnostics on custom decorative HVAC grilles from Stellar Air Vents (https://stellarairdecorativeventcovers.com/). Just one more example of some non-engineers getting very sophisticated results from a cardboard box, some tape, and several thousand dollars of Retrotec and Testo HVAC testing equipment (https://www.trutechtools.com/). Scott was our FIRST EVER Patreon supporter- join him and become part of our work on this channel and the 'Home Diagnosis' TV series: http://Patreon.com/HomeDiagnosisTV

Testing Our Home's ERV: Ventilation Airflow, Dewpoint Performance, and Grill Balancing

Corbett Lunsford

Using a Testo hotwire anemometer and hygrometer, Retrotec FlowBox, and CPS EasyHood, we commission this Fantech SER150 energy recovery ventilator and tune it to our high performance home's (and our family's) needs.

I get all my test tools from the awesome people at: https://TruTechTools.com

Learn more about this ventilation system: http://Fantech.net

Ventilation, Diagnostics, and DET Verifier Training Break Down

Corbett Lunsford

Done with our first 4-day training at our Atlanta home- save a spot in the next one! This time we had people travel all the way from New York and Texas- remember, we’re 5 minutes from the busiest airport in the world, and this is a state-of-the-art training center. You’ll be happy you made the time for the trip!
https://BuildingPerformanceWorkshop.com/training