Hot Water List

American HPTS-50 2**

American HPTS-50 2** is in the DOE listing as of Oct 22, 2026. American HPTS-50 2** is in the ENERGY STAR list as of Oct 22, 2026.

  • Heat pump water heater
  • 1 listed model

Its figures are also listed under A. O. Smith HPTS-50 2**.

Certified figures

Storage volume
46gallons
UEF
3.80Uniform energy factor
First-hour rating
65gallonsHot water in the first hour

Advertised and certified figures

American HPTS-50 2**: advertised and certified
American HPTS-50 2**: advertised and certified Size: advertised 50 gal, certified 46 gal (advertised nominal size, certified storage volume). Size: advertised 46 gal, certified 46 gal (certified storage volume). UEF: advertised 3.80, certified 3.80. UEF: advertised 3.80, certified 3.80 (advertised up to). Size · advertised nominal size, certified storage volume Advertised 50 gal Certified 46 gal Size · certified storage volume Advertised 46 gal Certified 46 gal UEF Advertised 3.80 Certified 3.80 UEF · advertised up to Advertised 3.80 Certified 3.80
American HPTS-50 2**: advertised figures, where and when read
FigureAdvertisedCertifiedAdvertiserRead
Size 50 gal, nominal size 46 gal storage volume American Read Oct 4, 2026
Size 46 gal 46 gal storage volume American Read Oct 4, 2026
UEF 3.80 3.80 American Read Oct 4, 2026
UEF up to 3.80 3.80 American Read Oct 4, 2026
First-hour rating 65 gal 65 gal American Read Oct 4, 2026

Certified figures by listed model

American HPTS-50 2**: certified figures by listed model
Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
HPS10250H045DV 2**463.8065452%Medium

UEF is the uniform energy factor. A dash means the model has no such figure.

ENERGY STAR certified models

American HPTS-50 2**: ENERGY STAR certified models
Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiency
HPS10250H045DV 2**463.8065452%

It holds 46 gallons in the test, 4 gallons less than its 50-gallon sold size. It delivers 65 gallons of hot water in the test's first hour. Reheating lets it give 19 gallons beyond the 46 gallons in its tank. Of 481 heat pump models, 346 give more hot water in the first hour. Among heat pump models, the median first-hour rating is 72 gallons.

Its single model number, HPS10250H045DV 2**, is ENERGY STAR certified. For each unit of energy it uses, 3.80 units end up in the hot water (its UEF). Pulling heat from the air lets its UEF pass 1. Its test simulated a day of medium hot water use (its draw pattern). Of 226 heat pump models with the same draw pattern, 54 have a higher UEF and 167 a lower one. On its draw pattern, the median heat pump UEF is 3.68. While it reheats, the water gains 452% of the energy it uses (its recovery efficiency).

There are 4 more basic models with the same test figures. They are listed under 4 other brands, one each. For the full group, see the A. O. Smith HPTS-50 2** page.

It may qualify for 21 rebate programs in 20 states. It may qualify for 7 more if it meets terms its figures do not show.

Also listed as

They carry every figure in the table above.

Rebates

American HPTS-50 2**: rebate programs
ProgramStateStatusProgram page
Efficiency Arizona AZ May qualify Its own page
SRP Heat pump water heater rebate AZ May qualify Its own page
CleanPowerSF Electrify Your Home bill credits CA May qualify Its own page
Los Angeles Department of Water and Power Consumer Rebate Program CA May qualify Its own page
SMUD Heat pump water heater CA May qualify if it meets the other terms Its own page
SVCE Home Rebates CA May qualify if it meets the other terms Its own page
TECH Clean California HEEHRA Phase I CA May qualify Its own page
Colorado Springs Utilities Water heater rebate (heat pump) CO May qualify Its own page
DC Sustainable Energy Utility DCSEU Residential Heating & Cooling Rebates DC May qualify if it meets the other terms Its own page
Delaware Electric Cooperative Heat Pump Water Heating Rebate DE May qualify Its own page
Hawai‘i State Energy Office eHale Energy Saver Rebate Program HI May qualify Its own page
Idaho Power Hybrid Heat Pump Water Heater – Existing Homes ID May qualify Its own page
Ameren Illinois Instant Incentives IL May qualify Its own page
DTE Energy Water Heaters (heat pump) MI May qualify Its own page
Entergy Mississippi Residential Appliances Program MS May qualify Its own page
NC DEQ Energy Saver North Carolina NC May qualify Its own page
NHSaves Heat Pump Water Heater NH May qualify if it meets the other terms Its own page
PNM Home Energy Checkup Rebates NM May qualify Its own page
Energy Trust of Oregon OR May qualify Its own page
PECO Appliance Rebates PA May qualify Its own page
Rhode Island Energy Heat Pump Water Heater Rebate RI May qualify if it meets the other terms Its own page
TVA EnergyRight TN, AL, MS, KY, GA, NC, VA May qualify Its own page
Dominion Energy Virginia Water Energy Savings Program VA May qualify Its own page
Virginia Energy Home Energy Rebates VA May qualify if it meets the other terms Its own page
Puget Sound Energy Heat Pump Water Heater Rebate WA May qualify Its own page
Seattle City Light Heat Pump Water Heater Rebates WA May qualify Its own page
Focus on Energy (heat pump) WI May qualify if it meets the other terms Its own page
Focus on Energy Home Electrification and Appliance Rebates WI May qualify Its own page

Programs change their terms. Check the program's own page before you buy.

Updated Oct 22, 2026 · Methodology

Not covered

  • Changes to an advertised figure after the date beside it.