John Wood HPACO-45 1+AXST-50T 1

John Wood HPACO-45 1**+AXST-50T 1** is in the DOE listing as of Oct 22, 2026. John Wood HPACO-45 1**+AXST-50T 1** is in the ENERGY STAR list as of Oct 22, 2026.

Heat pump water heater
2 listed models

Its figures are also listed under A. O. Smith HPACO-45 1**+AXST-50T 1**.

Storage volume: 45gallons
UEF: 3.52Uniform energy factor
First-hour rating: 67gallonsHot water in the first hour

See it among every heat pump model

Product history

John Wood HPACO-45 1**+AXST-50T 1** was in the DOE listing by Oct 1, 2026.

John Wood HPACO-45 1**+AXST-50T 1** has a recorded ENERGY STAR market-availability date of Feb 13, 2026. It first appeared in the ENERGY STAR list between February 2026 and August 2026.

Certified figures by listed model

John Wood HPACO-45 1**+AXST-50T 1**: certified figures by listed model
Model number	Storage volume (gal)	UEF	First-hour rating (gal)	Recovery efficiency	Draw pattern
JWHPCO-45 1+JWXST-50T 1	45	3.52	67	413%	Medium
JWHPCO-45 1+JWXST-50TTTP 1	45	3.52	67	413%	Medium

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

ENERGY STAR certified models

John Wood HPACO-45 1**+AXST-50T 1**: ENERGY STAR certified models
Model number	Storage volume (gal)	UEF	First-hour rating (gal)	Recovery efficiency
JWHPCO-45 1+JWXST-50T 1	45	3.52	67	413%
JWHPCO-45 1+JWXST-50TTTP 1	45	3.52	67	413%

Sold as 45 gallons, it holds 45 gallons in the test. Starting full, it gives 67 gallons of hot water in its first hour of use. Reheating lets it give 22 gallons beyond the 45 gallons in its tank. Of 481 heat pump models, 287 give more hot water in the first hour. The median heat pump model gives 72 gallons in the first hour of the test.

It has 2 model numbers that are ENERGY STAR certified. In the test, it gives 3.52 units of hot water energy per unit it uses (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, 143 have a higher UEF and 68 a lower one. A UEF of 3.68 is the median for its type and draw pattern. When it reheats water in the test, the water gains 413% of the energy it uses.

It is sold as JWHPCO-45 1**+JWXST-50T 1** and JWHPCO-45 1**+JWXST-50TTTP 1**. Its test figures match those of 5 other basic models. Each of the 5 other brands lists one of them. For the full group, see the A. O. Smith HPACO-45 1**+AXST-50T 1** page.

It may qualify for 17 rebate programs in 17 states. Another 5 programs may accept it if it meets their other terms.

Also listed as

They carry every figure in the table above.

Rebates

John Wood HPACO-45 1**+AXST-50T 1**: rebate programs
Program	State	Status	Program 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
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
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
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
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
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

Advertised figures. We have none on file for this model.

John Wood HPACO-45 1**+AXST-50T 1**

Certified figures

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