Are Pool Heat Pumps Worth It?

Are Pool Heat Pumps Worth It?

  • Source: Denor
  • Date: 2020-12-28

The Way the Heat Pump Pool Heater Work
Heat pumps use electricity to catch heat and move it in 1 place to another. With very little electric energy drive, the air heat source above minus 15 ℃ in the air is transferred to the air generator through the heat absorbing working medium, which causes the refrigerant in the air exchanger to heat up, and the heat generated by gasification is released to the water, resulting in the water temperature rising. Swimming pool heat pump is a new type of high-efficiency energy-saving constant temperature heating equipment. Its working principle is similar to that of air conditioner. According to the principle of reverse Carnot cycle, a small amount of electric energy is used to drive the compressor to run. The high-pressure liquid working medium evaporates into a gaseous state in the evaporator after passing through the expansion valve, and absorbs a large amount of heat energy in the air. The gaseous working medium is compressed into a high-temperature and high-pressure liquid by the compressor And then it goes into the condenser to release heat and heat the water, thus continuously circulating heating. In the process of operation, one part of the energy is consumed, and four parts of the energy (heat) is absorbed and transferred from the ambient air to the water. Compared with the electric water heater, three-quarters of the electric energy is saved.

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Since the pool pump circulates the swimming pool's water, the water drawn from the pool moves through a filter and also the heat pump heater. The heat pump heater has a fan that draws in the outside air and directs it within the evaporator coil.  The hot gas in the coil subsequently passes through the breaker. The compressor increases the heat, creating a very hot gas which then moves through the condenser. The condenser transfers heat from the hot gas to your cooler pool water flow through the heater. The gas, as it flows through the condenser coil, contributes to liquid form and straight back to the evaporator, where the entire process begins.
Higher efficiency heat pump pool heaters usually use scroll engines compared to reciprocal compressors of conventional units.
Heat pump pool heaters work economically as long as the outside temperature remains above the 45ºF--50ºF selection. The cooler the exterior air they draw in, the more energy that they use. But since most individuals utilize outdoor swimming pools throughout warm and mild weather, this isn't an issue.

How to Choosing the Heat Pump Pool Heater
Heat pump pool heaters are more expensive than gas pool heaters, however, they typically have much lower annual operating costs due to the higher efficiencies. With proper care, heat pump pool heaters normally continue more than petrol pool heaters. Therefore, you'll save more money in the long run.
When Choosing a heat pump pool heater, you should consider its:
Heat Pump Measurement
Running Performance
Total Costs.

How to Size a Heat Pump Pool Heater
You should have a trained pool professional perform a proper sizing investigation for your specific swimming pool to ascertain pool size.
Ostensibly, a heater is sized in accordance with the surface of the pool and also the gap between the pool and the normal air temperatures. Other factors also have an effect on the heating load for outdoor grills, such as end humidity, humidity ranges, and cool night temperatures. Consequently, pools positioned in areas with higher average wind speeds at the pool, lower humidity, and cool nights will require a larger heater.
Standard sizes comprise 3.5 hp/75,000 Btu, 5 hp/100,000 Btu, along with 6 hp/125,000 Btu.

To calculate an approximate heater size for the outdoor swimming pool
Follow these measures:
Ascertain your swimming pool temperature.
Ascertain the normal temperature for the coldest month of pool usage.
Subtract the average temperature for the month from the desired pool temperature. This will give you the temperature rise needed.
Calculate the swimming pool area in square feet.
Use the following formula to determine the Btu/hour output requirement of the heater:
Pool Area x Temperature Rise X-12
This formula is based on 1º into 1-1/4ºF temperature rise per hour and also a 3-1/2 mile hourly moderate wind at the pool surface. For a 1-1/2ºF growth multiply by 1.5. To get a 2ºF growth multiply by 2.0.

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The energy efficiency of heat pump swimming pool heaters is quantified by the coefficient of performance (COP). The greater the COP number, the more efficient. But, there's absolutely no standard test for measuring the COP. Hence, you truly can not compare the COPs of unique models if you don't know that the manufacturers used the exact same evaluation for each model. For instance, the exact same heating pump will operate at a larger COP once the outside air temperature is significantly higher.

For a backyard swimming pool, then use the following tables to help estimate your annual heat pump pool heater expenses and savings when compared with having an electric immunity or a gas pool heater.
Table inch quotes annual swimming heating pump pool heating costs in place, by water temperature, with or without using a pool cover.

Setup and Maintenance
Proper setup and maintenance of the heat pump pool heater can optimize its efficiency. It is best to install heaters, especially electrical connectors, by qualified pool professionals and perform complex maintenance or repair tasks.
Read the user manual carefully for maintenance schedules and recommendations. Through proper installation and maintenance, the heat pump pool heater can be used for 10 years or more.

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