Energy Star

Rheem's Most Advanced, Energy-efficient Water Heater You Can Own

Ruud air-source heat pump water heaters work much like a refrigerator in reverse. The heat pump extracts the heat from warm air, intensifies the heat with a compressor, delivers the heat to the water, and exhausts the cooler air. Because it uses the warm ambient air temperature to do most of the work, it is a very efficient way to heat water.

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Features & Benefits

  • 2.0 Energy Factor – Over TWICE the efficiency of standard electric water heaters
  • Uses heat pump technology for superb energy-efficiency
  • Easy-to-use LED touch pad controls the water temperature range, 3 energy efficiency settings, and overall operation
  • Ideal choice for new homes and for electric water heater replacements in attics, basements and garages
  • Installs as easily as a standard electric water heater
  • Standard 3/4" NPT water inlet, outlet and condensate drain connections
  • 10-Year limited tank and parts warranty

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Federal Tax Credit Up To $1500.00

This heat pump water heater qualifies for the energy efficient building property federal tax credit of up to $1,500. The federal tax credit is limited to 30% of energy efficient building property and cost of installation through 2010, with a total limit of $1,500. Additional state and local utility incentives may also be available. Please consult with your tax advisor for eligibility requirements and amount of tax credit.

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Federal Tax Credit for Heat Pump Water Heaters

Federal Tax Credit for Heat Pump Water Heaters



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Tax Credit



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How the Ruud Heat Pump Water Heater Works

In “Energy Saver” mode, this water heater’s high efficiency heat pump operates automatically for hot water storage in this sequence:

  1. A fan pulls air through the top air filter.
  2. Heat in the air is absorbed by eco-friendly refrigerant inside the evaporator coil and cool (dehumidified) air is exhausted.
  3. Refrigerant is pumped through a compressor, which increases the temperature.
  4. Simultaneously the cooler water from the bottom of the tank is pumped to the top of the appliance, where it circulates through a patented condenser coil.
  5. Hot refrigerant transfers its heat to the water inside the condenser coil.
  6. Heated water is returned back to the top of the tank.
  7. All functions are controlled simultaneously by an advanced circuit board located behind the user touch pad.
    • In “Normal” mode, the heat pump can run in tandem with an electric element during periods of high demand.
    • In “Electric Heat Only” mode, the heat pump is disabled and the appliance operates like a standard electric water heater with two elements.
  8. Condensate drain connection.
  9. Backup electric heating elements.

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Choose the Right Installation Site

For best heat pump operation, the temperature in your region should average 40 degrees or above. Choose a warm installation site like an attic, garage or basement. Because a heat pump tends to cool the area where they are located, any type of air-source heat pump works more efficiently in a warm location. The heat pump will need 1,000 cubic feet of air space around it (approx. 10x10x10 ft. room).

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Heat Pump Water Heater Attic Installation
 
Heat Pump Water Heater Basement Installation
 
Heat Pump Water Heater Garage Installation

 


Energy Efficiency Zones

The map to the rightindicates, on the average, the most favorable locations for heat pump water heaters. Annual weather patterns and other factors will determine your overall energy efficiency.

  • Zone 1: Heat pump will be used most of the year (90-100%)
  • Zone 2: Combination heat pump (60%) and electric heating elements (40%)
  • Zone 3: Combination heat pump (50%) and electric heating elements (50%)

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Heat Pump Water Heater Zones of Operation

Choose the Right Efficiency Setting

Based on climate, demand, and installation site

Heat Pump Water Heater Energy Saver ButtonThe most energy efficient setting is Energy Saver mode, it works by extracting warmth from the surrounding air, concentrating the heat, and delivering it to the water. This mode provides an industry leading 2.0 energy factor (EF) and a first hour delivery comparable to a standard 50 gallon electric model.


When hot water demands are high, use the Normal setting. In this mode both the heat pump and electric element will operate as needed. The Normal mode will provide a remarkable 1.5 EF and a first hour delivery in excess of a standard 65 gallon electric model.


A temporary Electric Heat Only setting is available to ensure hot water availability without operating the heat pump. The HP-50 will revert back to Energy Saver operation after two weeks, if not reset by the user.

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Specifications

  • Available in 50 Gallon Model with a 6-Year Limited Warranty
  • Energy efficient: 2.0 EF
  • 3 Operation modes
    • Energy Saver (heat pump only)
    • Normal (heat pump with element backup)
    • Electric Heat Only (temporary)
  • 2-1/2" Non-CFC foam insulation
  • Premium resistored anode rod protection, extends tank life
  • Exclusive Ruudglas® tank lining
  • Factory installed T&P valve
  • Brass drain valve
  • Easy access side connections
  • 3/4" NPT water inlet, outlet and condensate drain connections
  • 21" diameter, fits through access doors
  • Easily replaces a standard electric water heater
  • Stainless steel resistor elements
  • Heat pump operating range 40° F to 120° F
  • Built in freeze/overheat protection
  • Easy access, top mounted washable air filter
DESCRIPTION FIRST HOUR RATING G.P.H. DIMENSIONS (SHOWN IN INCHES) ENERGY INFORMATION

GAL. CAP.

MODEL NUMBER ENERGY SAVER NORMAL HEIGHT A DIAMETER B APPROX. SHIP WT.(LBS) ENERGY SAVER AVG. ANN. OPER. COST NORMAL AVG. ANN. OPER. COST
50 HP50RU 67 72 75-1/2 21 200 2.0 EF $248 1.5 EF $330

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