All of the electrical appliances associated with our Tower Garden, the pump, timers, and grow lights, use low wattage common in most small household appliances and should not make a significant impact on a household’s energy usage. The pump and timer should be pennies a day to run.
Our Grow Lights use four 54 Watt bulbs, which use a similar amount of wattage and energy as a common household lamp. Using the Canadian HydroOne calculator, it shows that using 2 fluorescent 8 ft. bulbs (ours are only 4 ft) for 14 hours a day would cost $15.64 a month. Using the US energy.gov calculator with the correct wattage of our bulbs, the cost is shown as $10.89 for 30 days (or $132.45 per year).