Objective Standards

Data Built for Homeowners

Our calculation models rely on continuous regional pricing audits and empirical maintenance data rather than optimistic manufacturer claims or sponsored contractor bids.

By isolating regional labor rates, material costs, and equipment lifespans, we deliver clear repair-vs-replace frameworks before any project begins.

Regional Calibration

Calibrated for Three Key Markets

Residential labor rates and energy tariffs vary significantly by location. WDKeller maintains regional datasets across target geographic markets: US, Canada, and UK.