Heat Pump Water Heaters | Department of Energy

Heat pump water heaters require installation in locations that remain in the 40º–90ºF (4.4º–32.2ºC) range year-round and provide at least 1,000 cubic feet (28.3 cubic meters) of air space around the water heater. Air passing over the evaporator can be exhausted to the room or outdoors.

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Heat pump water heaters will not operate efficiently in a cold space since they tend to cool the space they are in.  Installing them in a space with excess heat, such as a furnace room, will increase their efficiency.

You can also install an air-source heat pump system that combines heating, cooling, and water heating. These combination systems pull their heat indoors from the outside air in the winter and from the inside air in the summer. Because they remove heat from the air, any type of air-source heat pump system works more efficiently in a warm climate.

Homeowners primarily install geothermal heat pumps -- which draw heat from the ground during the winter and from the indoor air during the summer -- for heating and cooling their homes. For water heating, you can add a desuperheater to a geothermal heat pump system. A desuperheater is a small, auxiliary heat exchanger that uses superheated gases from the heat pump's compressor to heat water. This hot water then circulates through a pipe to the storage water heater tank in the house.

Desuperheaters are also available for tankless or demand-type water heaters. In the summer, the desuperheater uses the excess heat that would otherwise be expelled to the ground. With frequent operation during the summer, the geothermal heat pump may provide the majority of your hot water needs.  

During the fall, winter, and spring -- when the desuperheater isn't producing as much excess heat -- you'll need to rely more on your storage or demand water heater. Some manufacturers also offer triple-function geothermal heat pump systems, which provide heating, cooling, and hot water. They use a separate heat exchanger to meet all of a household's hot water needs.

1. THE MOST COST-EFFECTIVE HEATING METHOD

Why is a heat pump the most cost-effective heating method? The investment pays off in just a few years, and the annual savings are significant. Over the lifespan of a heat pump, which is around 15 years (some of our heat pumps count several years more), you can save enough for a new family car in the average price range! A heat pump includes three systems in one – heating, cooling, and domestic hot water preparation.

2. WORRY-FREE WARMTH

If you prefer worry-free living without dealing with heating concerns, choosing a heat pump is the right solution. Heating with a heat pump ensures constant warmth without the slightest effort. Imagine no need for any cleaning, waiting for favorable purchases, chimney inspections, or stockpiling raw materials for other fuels? With a heat pump, you can easily envision and experience this!

3. ENVIRONMENTALLY FRIENDLY HEATING

Do something for yourself and your family while doing something beautiful for our planet. Do you know that good feeling when you do something right? The pride in a kind gesture, word, or action? By purchasing a heat pump, you can contribute to preserving our environment as it utilizes renewable energy sources and does not produce environmentally harmful solid particles that also affect your health.

4. TECHNOLOGICALLY ADVANCED SYSTEM

The company is the world’s best High Temperature Heat Pump Water Heater supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Innovations drive technology and ultimately the world! Having technology in your home developed by Slovenian experts is not something ordinary. In the world of heat pumps, our technology is at the forefront globally! If you have a with the most powerful camera in your pocket, why not have a heat pump with the latest technology at home to make your life and living easier?

5. POSSIBILITY OF SUBSIDIZED PURCHASE

Good practices and actions pay off! There aren’t many opportunities where you get a portion of the sum back when making a purchase. When purchasing heat pumps, due to the contribution to the use of renewable energy sources, you have the opportunity to receive subsidies. The amount of the subsidy depends on the type of heat pump and the municipality of residence.

6. EXCEPTIONAL RELIABILITY

Why is the KRONOTERM heat pump extremely reliable? One reason our heat pumps are highly reliable is that we have our development, laboratory, and production, allowing us to address potential issues before the heat pump reaches your home. Moreover, you can monitor its operation through your or computer.

7. LOW MAINTENANCE

Heat pumps practically require no special maintenance. Except for switching the heating mode from winter to summer and vice versa, only an annual maintenance check of the heat pump is required.

8. POSSIBILITY OF INTEGRATION INTO EXISTING SYSTEM

When heating with a heat pump, there is no need for significant interventions in the boiler room, and integration into the existing system is possible. The heat pump can be connected to another heating source (wood, oil, gas boiler), just like a conventional boiler.

9. VARIOUS HEATING METHODS ARE POSSIBLE

Some mistakenly believe that a heat pump is only suitable for underfloor heating. This is not true since a heat pump allows operation in various heating methods – air, underfloor, and radiator heating. The key is the proper selection of the type of heat pump based on the heating method.

10. WARMTH ALWAYS AND EVERYWHERE

Forget about ‘saving’! With a heat pump, your home will always be warm, with enough warm domestic water, regardless of whether it’s 0°C or -20°C outside. All rooms will be equally warm, and your living will be comfortable and carefree. Whether you prefer 22°C or 26°C, the heat pump can handle it all.