Senville SENWH-HP 50 Gal vs Senville SENWH-HP 65 Gal

Last updated: October 22, 2026

The Senville SENWH-HP 65 Gal rates 3.5 among 65 gallon heat pump water heaters; the Senville SENWH-HP 50 Gal rates 3.3 among 40–50 gallon ones. The Senville SENWH-HP 50 Gal costs $600 less ($1,599.99 vs $2,199.99).

Senville SENWH-HP 50 Gal vs Senville SENWH-HP 65 Gal

Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

These two sit in different size classes (65 gallon and 40–50 gallon), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.

Factor weightSenville SENWH-HP 65 GalSenville SENWH-HP 50 Gal
Overall rating3.5/53.3/5
Efficiency 35%64 3.90 UEF54 3.75 UEF
Hot water 20%80 80 gallons in the first hour76 69 gallons in the first hour
Warranty 20%45 7-year parts45 7-year parts
Cold rooms 15%30 heat pump runs down to 37.4 °F room air30 heat pump runs down to 37.4 °F room air
Noise 10%44 49 dB(A)44 49 dB(A)

Specifications

Senville SENWH-HP 65 GalSenville SENWH-HP 50 Gal
Ratings (ENERGY STAR)
Size (nominal)65 gal50 gal
Tank volume (measured)60 gal47 gal
Uniform Energy Factor3.903.75
First-hour rating80 gal69 gal
Draw patternHighMedium
Yearly energy use1,240 kWh855 kWh
Heat pump cut-off (low)37.4 °F37.4 °F
Sound level49 dB(A)49 dB(A)
ENERGY STAR ID45180934518092
Installation
Power240 V240 V
Circuit30 A, 208/240 V30 A, 208/240 V
Backup element4,500 W4,500 W
Operating air range37 to 109 °F37 to 109 °F
Size45.5 in tall, 21.8 in across47.9 in tall, 18.3 in across
Weight271 lb218 lb
RefrigerantR-134aR-134a
Features
Demand response port (CTA-2045)YesYes
Leak detectionNoNo
ModesEconomy, Heat Pump, Hybrid, E-Heater, VacationEconomy, Heat Pump, Hybrid, E-Heater, Vacation
Warranty and models
Warranty7 yr parts7 yr parts
Released2025-112025-11