Updated for 2026
What will your home project actually cost?
Free, independent cost calculators built on real 2026 price data — not vague ranges. Pick a project, enter your details, and get a transparent estimate with a full breakdown. No signup.
Cost calculators
Every estimate is grounded in published 2026 cost data and cited sources.
Water Heater Replacement
standard 40–50 gallon tank, installed
$1,200 – $2,500
Open calculator →PlumbingTankless Water Heater
whole-home unit, installed
$1,800 – $5,500
Open calculator →ExteriorWindow Replacement
8 standard vinyl windows, installed
$3,000 – $7,500
Open calculator →ExteriorRoof Replacement
~1,700 sq ft architectural asphalt roof
$5,700 – $14,000
Open calculator →HVACMini-Split Installation
single-zone ductless system, installed
$3,000 – $7,500
Open calculator →Why trust these numbers?
Real price data
Ranges are compiled from contractor cost databases and published 2026 cost guides, then cross-checked.
Transparent math
Every calculator shows its full breakdown, so you can see exactly what drives your number.
Independent
We don’t sell the work. Our job is to help you walk into a quote knowing the fair range.
Estimates are compiled and reviewed by Dan Whitlock, Home Projects Editor. Read our methodology.