Giant GTHPCO-45 1**+GTXST-50S 1**: running cost
The Giant GTHPCO-45 1**+GTXST-50S 1** is certified by ENERGY STAR at 923 kWh a year, cheaper than most models in its category to run among electric water heaters currently certified.
The $174 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Giant GTHPCO-45 1**+GTXST-50S 1** against the category
That's 16.5% below the electric water heater category average of 1,105 kWh/yr, and ranks 220 of 596 certified electric water heaters for annual running cost, 1 being cheapest. The category average comes from every electric water heater ENERGY STAR currently certifies (596 models), not an outside benchmark, about $34/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Giant GTHPCO-45 1**+GTXST-50STTP 1* ($174/yr, 923 kWh/yr) costs a little more to run than the Giant GTHPCO-45 1**+GTXST-50S 1**. Giant GTHPCO-45 1**+GTXST-50S 1* ($174/yr, 923 kWh/yr) costs a little less.
Comparing Giant's own models
Giant makes 13 ENERGY STAR certified electric water heaters; this one ranks 5 of 13 for running cost, between the brand's cheapest, the GTHPCO-45 1**+GTXST-50LBTTP 1* at $172/yr, and its priciest, the GTHPCO-45 1**+GTXST-66TTP 1** at $252/yr.
Cost over its typical lifespan
Over the 11-year service life NAHB reports for this category, running the Giant GTHPCO-45 1**+GTXST-50S 1** costs roughly $1,909 in electricity, separate from the purchase price.
Weighing a replacement
The Giant GTHPCO-45 1**+GTXST-50S 1** is already efficient for its category at $174/year. If you're shopping and comparing options, this is roughly what a well-chosen new electric water heater costs to run.
Compare current ENERGY STAR certified electric water heaters before buying.
Protecting what you have
A electric water heater like the Giant GTHPCO-45 1**+GTXST-50S 1** is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Sourcing
Nothing here is estimated from a nameplate wattage; the 923 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 220 of 596 for running cost, see the electric water heater category page for the rest of the field, or the guide to how much your state matters.