Know what your home costs — with the receipts.
HomeCost Radar estimates your home’s operating and repair costs and shows a range, your confidence level, and exactly which data source and methodology produced every number. No fake precision, no hidden assumptions.
Energy costs
Estimate appliance running costs and your monthly bill, browse 46 appliance cost guides, or compare electricity rates across all 50 states.
Personalized maintenance
A climate-aware task list that explains why each task matters, what triggered it, and where the guidance comes from.
Sources & methodology
Every estimate links to its data vintage and versioned methodology. We never present a state average as your exact tariff.
Everyday electricity questions
Start with laptop charging and running costs, slow cooker cost per meal, or box fan running costs. For a meal comparison, see slow cooker versus electric oven.
Explore appliance energy comparisons or learn to convert watts to kWh, read bill charges and measure appliance use.
What’s live now
Appliance operating cost, an electricity bill estimator, a personalized maintenance planner, and a home reserve forecast — each built on the same transparent, reproducible engine.