“The Rheem ProTerra is one of the most energy-efficient hybrid water heaters we tested, with excellent hot water delivery and smart home integration that justifies the premium price.”
The Rheem ProTerra Hybrid Heat Pump Water Heater ($1,399-$1,599) is a top pick with a 8.9/10 consensus score across 9 expert reviews. Experts highlight uniform energy factor of 3.55 — highest efficiency in category and built-in wi-fi with econet app for scheduling and usage tracking. Consumer Reports says: "The Rheem ProTerra is one of the most energy-efficient hybrid water heaters we t..." Best for: Energy-conscious homeowners, Smart home integration, Long-term cost savings.

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Rheem ProTerra Hybrid Heat Pump Water Heater
Energy
SmartHomeExplorer proprietary rating
9 expert sources
The Rheem ProTerra Hybrid Heat Pump Water Heater earns a SHE Score of 6.6/10, driven by strong value (10/10) with room to improve in compatibility breadth (2.3/10). Based on 9 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.9/10 across 9 sources
Last verified:“The Rheem ProTerra is one of the most energy-efficient hybrid water heaters we tested, with excellent hot water delivery and smart home integration that justifies the premium price.”
Key Features
- ✓ UEF 3.55
- ✓ EcoNet Wi-Fi app
- ✓ LeakGuard auto shutoff
- ✓ 5 operating modes
- ✓ Heat pump + electric backup
Best For
What Experts Agree On
What Experts Love
- ✓ Uniform Energy Factor of 3.55 — highest efficiency in category
- ✓ Built-in Wi-Fi with EcoNet app for scheduling and usage tracking
- ✓ LeakGuard detection with automatic shutoff limits leaks to 20 oz
- ✓ Five operating modes including Heat Pump Only and Vacation
- ✓ Up to $576/year energy savings versus standard electric tank
- ✓ 10-year warranty on tank and parts
Common Criticisms
- ✗ Heat pump mode is audible — 49 dB, noticeable in adjacent rooms
- ✗ Requires clearance for air intake — not suited for tight closets
- ✗ EcoNet app connectivity can be inconsistent on older routers
- ✗ Higher upfront cost than standard electric tank water heaters
What The Experts Say
“The ProTerra's EcoNet app gives you genuine control over energy usage — five modes, scheduling, and real-time tracking make this the smartest water heater we've reviewed.”
“Between the leak detection, auto shutoff, and heat pump efficiency, the ProTerra pays for its premium within 2-3 years for most households.”
Ready to buy the Rheem ProTerra Hybrid Heat Pump Water Heater?
Check Price on Amazon$1,399-$1,599 · 9 expert sources · 8.9/10 consensus
Frequently Asked Questions
Is the Rheem ProTerra Hybrid Heat Pump Water Heater worth it?
Rheem ProTerra Hybrid Heat Pump Water Heater earns a 8.9/10 consensus score across our 12 expert sources. It is rated "Must Buy" — Energy-conscious homeowners. At $1,399-$1,599, The Rheem ProTerra is one of the most energy-efficient hybrid water heaters we tested, with excellent hot water delivery...
Who is the Rheem ProTerra Hybrid Heat Pump Water Heater best for?
Rheem ProTerra Hybrid Heat Pump Water Heater is best for: Energy-conscious homeowners, Smart home integration, Long-term cost savings. Experts rate it "Must Buy" overall.
How does the Rheem ProTerra Hybrid Heat Pump Water Heater compare to other Energy options?
Among the Energy products we have reviewed, Rheem ProTerra Hybrid Heat Pump Water Heater ranks above average with a 8.9/10 score. The ProTerra's EcoNet app gives you genuine control over energy usage — five modes, scheduling, and real-time tracking m...
What smart home systems does the Rheem ProTerra Hybrid Heat Pump Water Heater work with?
Rheem ProTerra Hybrid Heat Pump Water Heater works with major smart home platforms. Check our compatibility notes on the product page for any setup requirements or hub dependencies.
What are the pros and cons of the Rheem ProTerra Hybrid Heat Pump Water Heater?
The main pros of the Rheem ProTerra Hybrid Heat Pump Water Heater are uniform energy factor of 3.55 — highest efficiency in category and built-in wi-fi with econet app for scheduling and usage tracking. The main downside is heat pump mode is audible — 49 db, noticeable in adjacent rooms. Overall, experts rate it "Must Buy" with a 8.9/10 consensus score.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 9 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.

