Carbonless “Difference” Calculator
How much extra does it cost to build a super energy-efficient and healthy home?
Everybody asks the same question:
“How much extra does it cost to build a super energy-efficient and healthy home?”
Nobody ever shows the number.
This calculator does.
Not as a vague national average.
Not as a sales pitch.
Not as a mystery quote from a contractor who may or may not understand building science.
This tool shows the number on YOUR house, at YOUR prices.
Affordable housing matters.
Affordable living matters more.
A cheap house that bleeds money every month is not truly affordable.
The Carbonless “Difference” Calculator is a simple budgeting, teaching, and comparison tool built around the Carbonless panel method. It helps homeowners, builders, owner-GCs, designers, and developers compare a code-minimum wall against a Carbonless-level wall so the real material-cost difference is visible line by line.
You enter your wall area, your panel schedule, your local material pricing, your insulation choices, and your assumptions.
Your calculator workbook prices the same house twice:
The code-minimum wall
The upgraded Carbonless-level wall
Then it shows you the difference.
No fog machine. No “trust me.” Just the numbers.
What this calculator helps you answer.
Before you build, price, or argue with a bid, this tool helps you understand:
How much extra continuous insulation may cost
How much your cavity insulation choice affects the wall budget
How many sheets, rolls, tubes, panels, fasteners, and board feet you may need
How the wall upgrade compares to projected utility savings
What the upgrade costs per square foot of wall
What the upgrade could look like if rolled into a mortgage
Whether the efficiency investment starts to make financial sense over time
The real question is not only,
“What does it cost to build?”
The better question is:
“What does it cost to live in?”
Get It Free, and get started with the Carbonless “Difference” Calculator.
Inside the workbook, you’ll get:
A worked 40' × 60' barndominium example
Custom project input fields
A side-by-side “code wall vs. Carbonless wall” comparison
Material quantity estimates
A shopping-list style takeoff
Insulation choice comparisons
Spray foam cost calculator
Return-on-efficiency calculations
Panel layout logic based on practical 8-foot wall sections
This is not a final bid, engineering report, energy model, or code approval. It is a practical budgeting and teaching tool designed to help homeowners, builders, and owner-GCs make smarter early decisions before the project gets expensive.
Download your files within 24 hours of opening the link. Once downloaded, they're yours to keep.