Calculators
Every tool below follows the same contract: the formula is printed on the page, the data source and pull date are disclosed, and the output is a low/typical/high planning range — never a single fake-precise number.
Roof replacement cost
Low / typical / high replacement cost from your home's footprint, roof pitch, and material — with the formula shown.
Run the numbers →Siding cost
In research — published once our data pull clears review.
Coming soonWindows cost
In research — published once our data pull clears review.
Coming soonHVAC cost
In research — published once our data pull clears review.
Coming soonWhat "coming soon" means here
We only publish a calculator after its data pull is documented on the methodology page and its math has passing regression tests. Tools listed as "in research" have a formula drafted but pricing data still under review — we would rather ship late than ship numbers we can't defend.