Free Home Tools & Calculators

Tap a room in the cutaway house, pick what you notice and see the likely causes, how urgent it is and which service fixes it.

Compare tank and tankless for your household, with an animated tank and a flow readout.

Turn a drip, a running toilet or a pinhole leak into gallons per day, month and year.

Pick the year your home was built and see the pipes likely behind the walls and what to watch for.

Set the outdoor temperature, wind and where the pipes run to see your freeze risk and what to do.

Square footage, ceilings, sun and insulation become BTUs and tons, with a live house drawing.

Add appliances and see the amps against 100, 150 and 200 amp panels, plus a generator size.

Burst pipe, no heat, no cooling, power out or a gas smell: the first steps, in order, with a checklist.