Water heater intelligence

Good hot water.
Better logic.

Know what your home needs before you choose a water heater. Model your demand, compare the cold-water effect, and give your plumber a clearer starting point.

NO SIGN-UP. YOUR INPUTS STAY IN YOUR BROWSER.

THERMAL COREHEAT TRANSFER DEMAND MODELYOUR INPUTS COLD SUPPLYHOT OUTPUT SYSTEM VIEW / WATER HEATING THERMAL SYSTEM / CUTAWAYENGINEERING VIEW · PLANNING, MADE CLEAR
Built around your householdREAL INPUTS, USEFUL OUTPUTS
Cold water changes the equationEXPLORE THE WINTER EFFECT
A better brief for your plumberDOWNLOAD. REVIEW. DECIDE.

The hot water planner

Your routine.
Translated into demand.

A busy morning and a full house put different demands on a heater. Explore simultaneous flow for tankless systems, then look at the busiest hour for a storage tank.

Hot Water FitPLANNING MODEL · US UNITS

What runs at the same time? Enter fixture flow and how many run together. We account for the mix of hot and cold water.

°F
FixtureGPMTogetherMin / useUses / hr

Planning heater output: 120°F. Fixture temperatures and all model assumptions are explained in our methodology. These inputs do not change equipment settings.

The cold-water effect

Same shower.
Different starting line.

Colder incoming water needs more heat to reach the same temperature at your fixture. Change your planner inputs and this comparison follows your household.

Understand temperature rise
HEAT DELIVERED TO WATERkBtu / HOUR

FOUR INLET SCENARIOS · SAME FIXTURES, FLOW & DELIVERY TEMPERATURES.
SCENARIOS ARE NOT LOCAL UTILITY MEASUREMENTS.

From questions to a clear brief

Make the first visit
more productive.

Bring your usage profile, existing equipment details and main concern into one brief. Your plumber can verify the details and build a recommendation around your home.

Field notes

Better questions.
Better decisions.

Water-heater planning in Utah

Choose with a clearer picture.

Start with your household. Finish with a plan worth discussing.

Build your demand profile

Your plumber’s starting point.

Add what you know about your current heater. Everything is optional. Download a brief to share with a plumber of your choice.

Keep personal addresses, access codes and contact details out of these fields. This tool prepares a brief; it does not book a visit or send a service request.