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Ruud Heat Pump Water Heaters Review

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Ruud heat pump is the super efficient electric water heater that comes with the integrated heat pump (HP) for the high performing and reliable hot water production. With the advanced engineering and stylish look, Ruud HP is one of the advanced alternatives for water heating.

Ruud heat pump is the owner of several awards, received in 2009 and 2010 and was selected as one of the best ten products, per Architectural Product Reports, Building Green Magazine and 2009 Green Build Expo.

The heat pump, among all electric water heaters from Ruud manufacturer, is the only Energy Star approved unit, and therefore, eligible for federal tax breaks and other local and state incentives and rebates. Use this article about heat pumps water heaters to find more how it works, benefits, pros and cons. The following is what you will find in this review of Ruud heat pumps:

Features

Efficiency

ruud heat pump water heater

Ruud heat pump is the ultra-efficient hybrid water heater that is designed with the high energy factor of 2.45, which is more than double of the most efficient electric units.

Increased energy efficiency is coming from the heat pump's ability to extract the heat from warm surrounding air and delivering it to the water, and reduced standby heat loss with the thicker foam of 2.5".

The lower operating costs is what makes this unit recommended for owners looking to save and conserve energy.

Power source

The heat pump is the air source unit that uses the powerful 8700 Btu/h compressor to increase the hot water temperature, create more heat while providing great energy savings. Two 2 kW high quality stainless steel resistor heating elements are also part of the heat pump for the backup heating. By using the hybrid technology and its advanced features, Ruud HP can operate in the wider ambient temperature range than its competitors (the temp. range is from 37 to 120 F).

Model selection

Ruud manufactures only one model, HB50RU, and this model is equipped with the 50-gallon tank. The first hour rating is 57 GPH while the recovery rate at 90 F rise is 21 GPH.

Electronics

The heat pump is equipped with the user-friendly control panel with the LCD display and touch-pad, so you can check, select or change the hot water temperature, diagnose the system during failure, and check out the history of the errors. And since the control panel comes with the back lit and full color LCD display, you can easily check and adjust all the parameters even if the unit is installed in dark rooms.

The EcoNet Communication Port allows you to connect the water heating system with the home automation and distant management.

Ruud heat pump is equipped with two safety systems; one is to protect the unit from freezing and the other from overheating.

Corrosion protection

The water heater utilizes the anode rod, designed to extend the life of the storage tank. The anode rod is the premium quality, non-removable and together with the exclusive Ruudglas tank lining protects the metal tank from the aggressive water action and corrosion. As the anode rod is consumed over the years, and to avoid the rotten egg smell, water chlorination is recommended, to remove or reduce the smell.

emergency plumber

Heating Modes

As said above, the unit is equipped with the control panel that allows you to choose one of the five operating modes which gives different temperature of hot water, energy efficiency and water supply:

  • The Energy Saver mode is used for most homes with typical demand for hot water, as it is one of the most energy efficient modes as the heat pump work will be maximized while electric elements reduced to the minimum. This is mode #1 and is the factory set mode, for shipping.
  • If your home is with the low demand for hot water it is recommended to use the HP mode, a mode with the highest energy efficiency and minimized power consumption, when the electric heating elements are turned OFF.

  • High demand mode is ideal for families with a high hot water demand when you can use the heater for simultaneous operation of multiple hot water fixtures. Both heat pump and backup electric heater are engaged as needed.

  • Electric heat only mode is a temporarily mode utilized on a short term basis when the heat pump is disabled. In this mode, electric heating elements are the only one operating, so the hybrid water heater actually works as the electric unit resulting in the maximum power consumption.

  • Vacation mode allows you to set the unit work between 2 and 28 days and the tank water temperature will be maintained on 82 F.

Temperature adjustment

The hot water temperature on the Ruud heat pump can be regulated by pressing the arrows, left or right, located on the control display. The temperature scale has three sectors; warm, hot and very hot while the actual temperature of hot water is shown right above. Right after your purchase you will notice that the outgoing water temperature is factory set on 120 F, which is used as the anti-scalding protection.

In normal or warm temperature settings, water in the tank will be maintained at 120-124 F, 130-135 F will be maintained for Hot setting and in Vacation mode the tank temperature is maintained around 90 F.


Installing

With 21" in diameter, Ruud heat pumps are not complicate to install, in the same manner as the electric type; HP have an easy side access to 3/4" NPT inlet and outlet water connections and condensate drain, 1/2" overflow connection and T&P valve which is factory installed.

The unit must be installed per local or national and utility codes and following certain requirements from the manufacturer and utility company.

Rule of thumb when looking for the right location for your heat pump is to install it close to the application with the greatest hot water demand, but at the same time to allow an easy access for servicing and maintaining the unit.

Provide at least 8" clearance above your Ruud heat pump unit to allow an unobstructed air circulation.

For the best performance, install Ruud heat pump in the room where it is warm, including garage, basement or attic, and where the temperature is 40 degrees or above and the room size is approximately 10x10x10 ft.

Use the rating plate mounted on the water heater or Ruud heat pump owner's manuals to find the voltage requirements, wattage load... Here are some of the requirements for the Ruud heat pump: 240 V 1PH, 21.5 max. AMP draw, 10 gauge wire and minimum 30 AMP circuit.

Maintaining

Ruud heat pumps are also simple to maintain where the air filter is top mounted and washable. Recommendation is to clean the filter once a month with mild detergent and water.




(Photo credit to Ruud)

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