$16,700
State-adjusted midpoint before incentives.
- Planning range
- $13,694–$20,375
- Modeled annual savings
- $691
FREE PROJECT LAB · NO SIGNUP
Stress-test the project before it tests your wallet.
Move the numbers, compare a few choices and leave with a clearer reserve, timeline and next step. These are planning models—not bids.
Four expensive systems, one quick reality check.
State, climate, home size and energy price move these planning ranges.
$21,088
Combined replacement and envelope planning midpoint.
- HVAC
- $13,728
- Insulation
- $7,360
$371
Modeled annual fuel savings before charging losses.
10.1 years
Simple payback before financing, incentives, degradation or rate changes.
Reserve, return and budget—on the same page.
Use conservative inputs. A useful plan leaves room for the part you cannot see yet.
$5,126
A modeled annual reserve based on value, size, age and state cost pressure.
Build a 10-year plan →70% retained
30% not recovered at resale before financing and selling costs.
See value-building ideas →$45,000
- Core construction
- $27,000
- Design + permits
- $5,400
- Finish allowance
- $5,850
- Contingency
- $6,750
Compare the decision, not just the sticker.
Longer life can justify a higher first cost—but only when the product, installer and home all fit.
ROOF MATERIAL SELECTOR$21,266modeled installed midpoint
- Strong fit
- Lower upfront cost and broad installer access
- Check before choosing
- Heat, storm exposure and layered tear-off costs
17 weeks
Modeled planning window before weather, change orders and local review delays.
- Scope + design4 wk
- Quotes + permit3 wk
- Construction8 wk
- Closeout buffer2 wk
04 · TURN A RANGE INTO A PLAN
Take the useful number with you.
Run a project-specific calculator, save the result, compare projects and print the board as a PDF.
These results are educational planning estimates, not contractor bids, appraisals, engineering advice, tax advice or permit determinations. Verify local code, permit, product, utility and incentive requirements before committing money.
