The Complete Envelope Playbook & Checklist

$99.00

Your proven system to build or retrofit a home that lasts 100 years — with dramatically lower energy bills, no mold, and the confidence that you got it right.

You don’t have to guess anymore.

Build or fix your home the right way — once — and sleep easy knowing you protected your family, your wallet, and the thin peel of our planet we all share.

This is for every homeowner, builder, and contractor who is done accepting “good enough” houses that quietly cost a fortune in energy bills, mold repairs, and regret.

I’ve already done the hard part. Now it’s your turn to build it right.

Hey, it’s Brian here.

For 50+ years I’ve been the person called in to figure out why a building is sweating, molding, rotting, or bleeding energy. I used to think of myself as a physician for sick houses. I’ve come to realize I’m more like a neurologist — diagnosing the nervous system of walls, roofs, foundations, and ventilation so they stay healthy for the next 100 years.

I’ve poured millions of my own dollars into figuring this out. I built my own Thermal Suite — 1,200 square feet, under $200k, running on roughly $60 a month in HVAC — and created a system that tests thousands of design combinations at once.

What I learned didn’t come from a textbook. It came from real buildings, real failures, and real climates across all 8 North American climate zones.

Now I’ve distilled all of it into this system — so you don’t have to spend decades or a fortune to get it right.

New construction done right from day one.

Retrofits that actually solve the problem permanently.

Homes that cut energy use 50–90%, eliminate mold risk, and feel genuinely good to live in — without expensive gimmicks or chasing a code minimum that still underperforms.

This is your permission to build like the future depends on it. Because it does. And you are more than capable.

What You Get

Envelope Mastery Playbook — 95-Page Ebook
The building science explained the way a mentor explains it — clearly, plainly, and without a textbook in sight. You’ll finally understand how buildings actually behave, so you never second-guess a decision again.

Super-Efficient Execution Checklist — 13-Page Field-Ready Tool
Print it. Take it to the job site. Hand it to your contractor. The exact step-by-step sequence that keeps every control layer in place and mold out of the picture.

Who This Is For

      ∙     Homeowners who want their forever home built right the first time

      ∙     Builders and remodelers ready to stand above the competition

      ∙     Anyone who typed “Carbonless” because they’re done settling for average

You’ve already taken the first step.

That tells me you care.

Now let me help you finish strong.

Your family, your future self, and the thin peel of our planet will thank you.

— Brian Iverson

Your proven system to build or retrofit a home that lasts 100 years — with dramatically lower energy bills, no mold, and the confidence that you got it right.

You don’t have to guess anymore.

Build or fix your home the right way — once — and sleep easy knowing you protected your family, your wallet, and the thin peel of our planet we all share.

This is for every homeowner, builder, and contractor who is done accepting “good enough” houses that quietly cost a fortune in energy bills, mold repairs, and regret.

I’ve already done the hard part. Now it’s your turn to build it right.

Hey, it’s Brian here.

For 50+ years I’ve been the person called in to figure out why a building is sweating, molding, rotting, or bleeding energy. I used to think of myself as a physician for sick houses. I’ve come to realize I’m more like a neurologist — diagnosing the nervous system of walls, roofs, foundations, and ventilation so they stay healthy for the next 100 years.

I’ve poured millions of my own dollars into figuring this out. I built my own Thermal Suite — 1,200 square feet, under $200k, running on roughly $60 a month in HVAC — and created a system that tests thousands of design combinations at once.

What I learned didn’t come from a textbook. It came from real buildings, real failures, and real climates across all 8 North American climate zones.

Now I’ve distilled all of it into this system — so you don’t have to spend decades or a fortune to get it right.

New construction done right from day one.

Retrofits that actually solve the problem permanently.

Homes that cut energy use 50–90%, eliminate mold risk, and feel genuinely good to live in — without expensive gimmicks or chasing a code minimum that still underperforms.

This is your permission to build like the future depends on it. Because it does. And you are more than capable.

What You Get

Envelope Mastery Playbook — 95-Page Ebook
The building science explained the way a mentor explains it — clearly, plainly, and without a textbook in sight. You’ll finally understand how buildings actually behave, so you never second-guess a decision again.

Super-Efficient Execution Checklist — 13-Page Field-Ready Tool
Print it. Take it to the job site. Hand it to your contractor. The exact step-by-step sequence that keeps every control layer in place and mold out of the picture.

Who This Is For

      ∙     Homeowners who want their forever home built right the first time

      ∙     Builders and remodelers ready to stand above the competition

      ∙     Anyone who typed “Carbonless” because they’re done settling for average

You’ve already taken the first step.

That tells me you care.

Now let me help you finish strong.

Your family, your future self, and the thin peel of our planet will thank you.

— Brian Iverson