Running cost for the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66 1**
The RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66 1** is certified by ENERGY STAR at 1,341 kWh a year, more expensive than most models in its category to run among electric water heaters currently certified.
The $252 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 21.4% above the electric water heater category average of 1,105 kWh/yr, and ranks 507 of 596 certified electric water heaters for annual running cost, 1 being cheapest. Every one of the 596 currently-certified electric water heaters feeds that average, putting this model about $44/year over it. See how it's calculated on the how it is calculated page.
The closest alternatives by cost
Sorted by running cost among electric water heaters, one step cheaper is Lochinvar LHPCO-45 1**+LXST-66TTP 1** ($252/yr, 1,341 kWh/yr), and one step pricier is RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66G 1** ($252/yr, 1,341 kWh/yr).
Comparing RELIANCE WATER HEATERS's own models
RELIANCE WATER HEATERS makes 28 ENERGY STAR certified electric water heaters; this one ranks 18 of 28 for running cost, between the brand's cheapest, the 10-50-DHPTS 2** at $156/yr, and its priciest, the 10-80-DHPTV 2** at $311/yr.
RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66 1** over 11 years
Over the 11-year service life NAHB reports for this category, running the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66 1** costs roughly $2,773 in electricity, separate from the purchase price.
Is it worth replacing?
The RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66 1** runs above its category average. If the electric water heater you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $252/year every year.
Compare current ENERGY STAR certified electric water heaters before buying.
Protecting what you have
Whether or not the RELIANCE WATER HEATERS RHPCO-45 1**+RXST-66 1** ever needs replacing, a repair is the more common failure for a electric water heater, one a protection plan budgets for ahead of time.
The data behind this page
At rank 507 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. The 1,341 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.