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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: tiny home

First DIY Tiny House on Wheels? Tour this Self-Built THOW Motor Home

Corbett Lunsford

Welcome to Pioneer Village in Minden Nebraska, where they have one of everything. This place is a picker's wet dream. We'll stick to Wendell Turner's 1950 DIY truck conversion to a motor home, before motor homes were a manufactured product. See the awesome things he got right for performance, along with a lot of the kooky things you tend to see in unique tiny homes the world over.

Learn more about our TinyLab, the world's highest performance tiny house on wheels: https://www.youtube.com/playlist?list=PLsc2-5fAgMq51-6Gwm3m7HXjRhgt9X7RK

Learn to tune the performance of any tiny home in our online course: https://buildingperformanceworkshop.com/tinyspaces

Tiny House Building Science Basics

Corbett Lunsford

1. Tell us about the TinyLab:

Our #TinyLab is a 210 sq. ft. house on wheels we designed and built ourselves to be the best performing home most people have ever seen. It’s supremely airtight, quiet, and comfortable, while also being equipped with the best heating, cooling, and ventilation systems in the world. We’re showing Americans how home performance works with our non-profit Proof Is Possible Tour. There’s this mythology around houses that ‘they all have problems, that’s just how they are’; it’s just not true.

2. How did the TinyLab start?

Well, the dynamics of home performance are based in physics, which is tough to explain- our colleagues have been trying for decades. But these dynamics can have real consequences for your family- they can cause sickness or even death. We thought, ‘how can we show consumers home performance?’ The #TinyLab is what all homes could evolve to be, whether they’re big or small. It’s a critical time for this, since building codes in all 50 states are requiring performance testing.

3. What are the major findings between the relationship of health and homes?

Two major health problems anyone can find out themselves for starters: dampness and carbon monoxide (CO). The symptoms of CO poisoning are ‘flu-like’, but ask yourself how many times you’ve been to the doctor with ‘flu-like’ symptoms and ever been tested for CO poisoning (never, say most people). And though we know dampness causes mold, mildew, dust mites, etc, do we think about what causes dampness? It’s usually air leakage- air leakage is the single biggest problem in most homes.

4. How do you protect yourself from carbon monoxide poisoning?

The only way to be sure is to test. Whole-home performance testing can prove if your gas stove, water heater, furnace, or fireplace are exhausting properly and creating very little CO. We have a Defender ‘low-level’ monitor in the TinyLab. Your normal CO detector won’t always protect you. If it’s what’s called ‘UL-listed’ then it specifically will NOT protect children, pregnant women, ill or elderly people from low-level carbon monoxide poisoning. And it says so right in the manual. Crazy.

5. What are 5 tips you have for any homeowner/ renter reading this?

One: Your home is a system of interacting parts, so anyone who says one product can fix it is lying or naïve. Two: Proof is Possible- act on diagnostic proof before you undertake surgery on your home and before you pay your contractors for measured improvements. Three: airtightness is good- don’t let anyone tell you we should build crappy houses that can ‘breathe’ through the cracks. Four: ventilation is critical- take stale air out, bring fresh air in. Five: Our YouTube channel is called ‘Home Performance’- you can learn tips 6 through 1000 there.

6. What specific diagnostics are recommended for homes?

Great question! Blower door testing is most important- our TinyLab’s test proves that as first-time homebuilders, we achieved the most airtight standard in the world (that’s what makes it so quiet in here). Infrared thermal photos prove our insulation works. Pressure testing proves our home is not sucking air back in through exhaust fans or chimneys. Airflow testing proves our HVAC system’s working as designed. Air quality tests prove our family isn’t being poisoned. Proof is possible. Ask for it.

To learn more about your home’s performance, download the free ‘GeniusBooklet’ at:

https://buildingperformanceworkshop.com/geniusbooklet-how-your-home-works

To see the #TinyLab as it travels across the U.S. on the Proof Is Possible Tour, see the schedule at:

http://ProofIsPossible.com

Tiny House Reality: Ants, Cats, and Kids

Corbett Lunsford

Wonder what it's like to live in a 200 sq ft single room that's always being cleaned because it's sticky and/or wet from two amazing toddlers and two charming cats, while building a big house and making a television show and trying to make money too? Here. Here you go.

2 Years Later: is #TinyLab Still the Highest Performance Tiny House on Wheels?

Corbett Lunsford

Grace and Corbett built the world's highest performance tiny house on wheels in 2016. It was perfect. Then they toured it 13,000 miles across America and let 7,000 people come inside to feel, hear, and smell what perfectly tuned home performance is like.

What's the house performing like now, after all that torture? And under 2 inches of snow in Atlanta, Georgia? See for yourself in this 20-minute tour, complete with testing, demonstrations, and metrics that show Proof Is Possible, even for people who have never built a house before. The #TinyLab is still the undisputed most scientifically superior home performance demonstration in the world, and we sincerely hope others start challenging our work!

Formaldehyde-Free Plywood for Airtight Homes

Corbett Lunsford

All plywood has formaldehyde in it, except Purebond. Why anyone would choose normal plywood for interior surfaces is perfectly clear: they have no idea that it will poison them.  Let's set the record straight on the only plywood that should be used inside a new, airtight home. YOU CAN BUY PUREBOND AT HOME DEPOT, PEOPLE.

How to Frame a Tiny House to Withstand Earthquakes + Hurricanes Simultaneously

Corbett Lunsford

Corbett explains advanced framing techniques and components for making as strong and as efficient a tiny home (or any home) as possible! Get a quick tour of anchor bolts, hurricane straps and ties, jack and king studs, headers, top and bottom plates.

And come see the Tiny Lab when it's done on its 20 city Proof Is Possible Tour in 2016: http://ProofIsPossible.com

Tiny House Building Lessons Learned

Corbett Lunsford

We've been working on the Tiny Lab for almost a full month now, and there are lots of videos still in the queue, but here are the first few glimpses into the world of building a high performance 200 sq. ft. tiny house on wheels:

How the Tiny Lab Tour Idea was Born

Corbett Lunsford

Welcome to our mind palace!  Typically Grace has her eyes closed and tipped back deep in magical dreaming and Corbett is intensely trying to figure something out with strong gestures. (as you can see in the thumbnail image.)

We wanted to let you in on how this idea came to be!  Our RocketHub campaign ends on Nov. 30th, and while we actually over sold the cities and blew past our original goal we have so many aspects of this tour that could use your support and funding.  Check out the details HERE- www.ProofisPossible.com please share and make a tax deductible contribution today.  THANKS!

How to Perfectly Balance a Tiny House Trailer

Corbett Lunsford

Today we ordered the fabrication of our custom tiny house trailer- big step, and it took a lot of sweat and time to get here. The process is like anything- the more you know, the more you realize you don't know, and it just gets more sweaty and time-intensive as you go. Here's what we learned about how to place the axles for your custom tiny house trailer:

  1. Know how the balance should work on a tiny house. Because you're not building it to sit still, the balance should not be in perfect equilibrium. You don't want to let go of the front of the trailer and have it remain upright and balanced; generally you'll want 10% of the total weight to be resting on the tongue. This means if our tiny house is 10,000 lbs, the tongue will weigh 1,000 lbs. You will not be picking that up.
    You don't want the trailer pulling up on the back of your tow vehicle, and when you get it moving, the momentum will do weird things to the trailer's behavior if it has a shed roof front-to-back like ours. The wind is going to want to push down on the back of the trailer to flatten out the plane (we have not hired an aerodynamics engineer to find out how much, but we believe it's not substantial).
    There's a great article on managing tiny house towing weights here.

  2. Know where your trailer fabricator likes to put the axles as a default. It's interesting- the two main trailer fabricators, Tumbleweed and Tiny Home Builders, put their axles at slightly different points along the length of the tiny house trailer as a default. Tumbleweed puts the center of axles 55% of the way back, and Tiny Home Builders puts theirs 58% back (both of these are measured from the front of the trailer bed, not the tip of the tongue). Either of these are approximately correct enough for most tiny house people, but if you want to use a more accurate engineering approach, then read on...

  3. Know how much your tiny house will weigh. This is very challenging. You need to account for every stud, joist, insulation unit, fixture, piece of heating/cooling equipment, furniture, etc, etc. We did this by building a 3D computer model of our Tiny Lab and creating an inventory from there in a spreadsheet. Our engineer buddy John Bergman then figured out where the center of gravity was in the X, Y, and Z axes (vertically, front to back, and left to right). The Tiny Lab is estimated to be 9,300 lbs, with the center of gravity right down the middle, and 45% of the way back.

  4. Split your axles over the point 10% of the way further back. Our axles are located 55% of the way back, which Dan Louche at Tiny Home Builders was easily able to include in our trailer design. Stay tuned for all the videos of the construction process, which starts in under a month!