Hot tub running cost calculator

Estimate the electricity cost of running a hot tub in Canada. Choose measured daily electricity if you have a meter record for the whole tub. Otherwise, enter a heater and pump schedule. These are two ways to describe the same use; the calculation does not add both together.

For the schedule, collect heater input in kilowatts, heater enabled hours, its heating-on share, pump watts and pump hours. The heating-on share is the part of the enabled time when the heater draws power. Enter how many days the tub runs each year. Choose figures that match the water temperature, cover use and conditions you want to compare.

Daily electricity is the metered total, or heater kW × hours × heating-on share plus pump watts ÷ 1000 × hours. Yearly cost uses the entered number of operating days; the monthly average is the yearly cost divided by 12.

Use a percentage as a fraction once: for example, 50% means 50 ÷ 100 = 0.5. Use 0.5 in the energy formula; do not divide it by 100 again.

The heater and pump can have different schedules. Divide pump watts by 1000 to get kilowatts before multiplying by pump hours. Add pump energy to heater energy. Do not use the heater’s full rated power for every enabled hour if its thermostat switches it off for part of that time.

Multiply daily energy by operating days and the electricity price. Divide cents by 100 to get Canadian dollars. An average month is one twelfth of the yearly cost, including months when the tub is off. It is not a prediction of the next bill or a separate winter estimate.

These illustrative inputs are separate from your saved answers. Prices, use and performance are held constant for this worked scenario; they are not personal defaults.

A metered daily total should include all tub electricity within that measurement. Do not add the pump again if it is already in that total. Use a representative daily amount rather than a single unusually cold or busy day, unless that is the scenario you want to test.

The schedule uses your actual electrical input and heating-on share. It adds no guessed heat-loss or weather factor. Outdoor temperature, cover condition and water use may change real consumption. The estimate holds the entered daily pattern and electricity price constant across the operating days.

Initial warm-up is outside this yearly operating scenario unless it is already included once in the metered totals. Purchase, servicing, water and chemicals are not electricity costs. Money is rounded only for display. Missing personal values stay empty; an example is not a submitted equipment rating.

Canadian electricity prices vary by province, utility and plan. Enter the tax-inclusive bill price in cents per kWh. Use the price that applies to the tub’s added electricity where you can identify it. Dividing the whole bill by consumption can include fixed charges that do not change with tub use.

This tool does not insert a guessed province-wide average or work out every tariff tier. A flat price is held constant for this scenario. Check your bill if the tub runs at different day and night prices. Source dates describe the method or stored records, rather than verification of your personal inputs.

Ask the maker or a qualified installer if the heater rating, pump schedule or meter boundary is unclear. Bring the model details, meter record, operating schedule and bill. Ask whether any extra equipment uses power outside your measurements.

Use a qualified professional for electrical work or equipment changes. Follow the tub’s operating instructions. This cost estimate cannot check safe connections, water treatment or whether the installation meets local requirements.