What the Giant GTHPCO-45 1**+GTXST-66TTP 1** costs to run
At 1,341 kWh/yr, the Giant GTHPCO-45 1**+GTXST-66TTP 1**'s ENERGY STAR certification puts it more expensive than most models in its category to run against every other certified electric water heater.
That $252 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
How the Giant GTHPCO-45 1**+GTXST-66TTP 1** compares to other electric water heaters
The category average is 1,105 kWh/yr; this model runs 21.4% above it, ranking 500 of 596 electric water heaters tracked here for running cost. 596 certified electric water heaters, one average, about $44/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Giant GTHPCO-45 1**+GTXST-66TTP 1** on that list: Giant GTHPCO-45 1**+GTXST-66 1** ($252/yr, 1,341 kWh/yr) runs slightly less, while GSW WATER HEATERS GHPCO-45 1**+GXST-66 1** ($252/yr, 1,341 kWh/yr) runs slightly more.
Same brand, different models
Of the 13 ENERGY STAR certified electric water heaters Giant makes, the GTHPCO-45 1**+GTXST-66TTP 1** costs the most to run, $80/year more than Giant's cheapest, the GTHPCO-45 1**+GTXST-50LBTTP 1*.
Cost over its typical lifespan
Over the 11-year service life NAHB reports for this category, running the Giant GTHPCO-45 1**+GTXST-66TTP 1** costs roughly $2,773 in electricity, separate from the purchase price.
Is it worth replacing?
At $252/year, this is on the expensive side for a electric water heater; the cheapest certified model in this category runs about $121/year, worth knowing before buying either the Giant GTHPCO-45 1**+GTXST-66TTP 1** or its replacement.
Worth comparing a few current certified models before deciding.
If you're keeping it
$252/year to run is the predictable cost of the Giant GTHPCO-45 1**+GTXST-66TTP 1**; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Nothing here is estimated from a nameplate wattage; the 1,341 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 500 of 596, the Giant GTHPCO-45 1**+GTXST-66TTP 1** sits in the middle of the electric water heater category, see the guide to why your state changes this number for the other half of the math.