AMERICAN STANDARD WATER HEATERS ASHPWH-50

Questions, answered with the data

How much electricity does the AMERICAN STANDARD WATER HEATERS ASHPWH-50 use?

ENERGY STAR certifies the AMERICAN STANDARD WATER HEATERS ASHPWH-50 at 867 kWh per year. The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.

How much does the AMERICAN STANDARD WATER HEATERS ASHPWH-50 cost to run per month?

About $13.60 a month at the U.S. average residential rate (18.8¢/kWh) — 45¢ a day, or $163 a year. Your state's rate moves this up or down; see the table above.

Is the AMERICAN STANDARD WATER HEATERS ASHPWH-50 energy efficient?

It uses 20% less electricity than the median certified electric water heater, placing it in the efficient third of certified models.

What does the AMERICAN STANDARD WATER HEATERS ASHPWH-50 cost to run in the cheapest vs. priciest state?

At current residential rates it costs about $107 a year in North Dakota (12.3¢/kWh) and $404 in Hawaii (46.6¢/kWh).

Keep digging

• All 566 certified water heaters (electric) compared
• What an electric water heater costs in Washington (14.4¢/kWh)
• What an electric water heater costs in Georgia (15.4¢/kWh)
• The Most Efficient Electric Water Heaters
• How these costs are calculated