Pool Heat Pump

Small Pool Heat Pump-Why do I Need a Reliable Mini Pool Heater?

Mini Pool Heat Pump

Swimming pool water at a comfortable temperature could provide significantly greater swimming enjoyment. What if your children want to swim in an above ground pool but the water is too cold? The mini pool heat pump is the ideal heating solution for above-ground Pools such as INTEX or BESTWAY pools.

Above Ground Pool Heat pump #1 Option -Small pool heater

Why do I Need a best Mini Pool Heat Pump in 2022?

Are heat pump pool heaters worth it?

The Mini heat pumps are the new models of heat pumps available in the pool market. These heat pumps are installed very easily and do not require the previous installation and specify a By-pass.

• Save Energy

As we all know, pool heat pumps are extremely efficient at transferring heat from ambient air to pool water. With high efficiency and COP of 4.2-5.2, the ALSAVO mini pool heat pump is extremely energy efficient, producing up to 5.2 kW of heat for the pool from only 1 kW of electricity (when a pool cover is used). When compared to an electric pool heater, up to 80% of the expense could be avoided. A 4kw electric heater will consume 16kw of power. It is an excellent alternative to an electric heater for above-ground pools up to 25m3. Because of their small size, compact heat pumps are easier to conserve energy and money.

• Easy to use

The ALSAVO mini Pool Heat Pump is incredibly simple to use. Plug and play. Connect the pool heat pump, turn it on, and choose the appropriate pool water temperature. The mini pool heater unit has a digital display that allows you to customize the operation parameters to your liking.

Press the up or down keys to select the pool temperature, and the pool heater will maintain it once attained. This pool heat pump is also lightweight. Most of our customers install it themselves and it takes less than 5 minutes from receipt to usage. As a result, operating your pool is a breeze.

• Quality Guarantee

Durable and long life span. The heat exchanging components of the ALSAVO mini pool heat pump is PVC & Titanium materials. It could withstand the swimming pool water including saltwater pools in long exposure (the salt concentration should be less than 0.50 %. The Titanium tube of the pool heater is twisted with more heat exchanging area, which contributes to the efficiency of the pool heat pump. The new patent design mini pool heat pump is very durable with reliable quality, rust, and weatherproof.

• Easy Installation

The ALSAVO mini pool heat pump is simple to install; no previous installation or special by-pass is necessary. Connect the pool heater to the pool’s existing pipes, and the pool circulation pump will circulate the pool water through it. And for the basic installation, which can be done at any moment, only minor maintenance may be required.

The mini pool heater is both cost-effective and efficient. It could be installed in a variety of pools, including composite, wood, steel, and inflatable pools. The ALSAVO mini pool heat pump comes in four sizes: 2.5kw, 4.5kw, 5.5kw, and 6.5kw for pools up to 25m3. It is intended for installation outside in a well-ventilated location.

• Budge-friendly

The pool heating system that you choose can make a significant difference in the operating costs of your pool. Use the table below to compare heating methods and costs.

Solar Panels

Heat Pump

Natural Gas


Average Unit Cost including installation to the pool plumbing

$4,000 to $9,000

$3,500- $6,500

$2,000- $3,700

$5,500- $8,000

Energy Source Connection Costs





Total average Upfront Installation Costs





Annual Operating Costs*





Five Year Total Costs





Warranty & Life Span



12 Year Full Parts & Labor

2 Year Full
5 Year Parts on Compressor
Lifetime Heat Exchanger

1 Year Limited

1 Year Limited

Average Life Span

25 Years

7-10 Years

5-8 Years

5-8 Years


Mini Pool Heat Pump

How a Mini Heat Pump Pool Heater Works

As the pool water circulates through the pool pump, it passes through a filter and the heat pump heater. The heat pump heater has a fan that draws in the outside air and directs it over the evaporator coil. Liquid refrigerant within the evaporator coil absorbs the heat from the outside air and becomes a gas. The warm gas in the coil then passes through the compressor.

  • The compressor raises the temperature, resulting in a highly hot gas that goes through the condenser. 
  • The condenser is responsible for transferring heat from the hot gas to the cooler pool water that circulates through the heater.
  • The heated water is then recycled back into the pool.
  • As it passes through the condenser coil, the hot gas cools and returns to the evaporator, where the process begins again.

Heat pump pool heaters work efficiently as long as the outside temperature remains above the 45ºF–50ºF range. The cooler the outside air they draw in, the less efficient they are, resulting in higher energy bills. However, because most people utilize outdoor pools in warm and mild weather, this isn’t normally an issue.

How to Calculate Your pool Water Volume:

You can easily calculate the water volume in your pool as follows: 

Round Pools

To calculate the volume of a round pool, you can use the formula

Pool Volume = 3.14 x radius x radius x depth

Measure the diameter of the pool in metres

Half the diameter to give the radius of the pool

Multiply 3.14 x radius x radius x pool depth

Rectangular Pools

Pool volume = length x width x depth


6m x 4m pool, 0.8 m deep = 6 x 4 x 0.8 = 19.2 m3

Variable Depth Pools: Square and Rectangular 

The heat pump pool heater depends on your pool size.

Length x width x average depth = volume (in meters cubed) 

Length x width x average depth x 7.5 = volume (in gallons) 

Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic meters 

If you’d like to find the pool volume in gallons, multiply your results by 7.5, as there are 7.5 gallons for each cubic foot. 

Measure the length, width, and average depth of the pool, rounding each measurement off to the nearest meter  above ground pool heat pumps

If the shallow end is 0.5 m and the deep end is 1 m, and assuming the slope of the pool bottom is gradual and even, then the average depth is 0.75 m 

Many people are very troubled by these data, click our Heat pump size calculator, and you’ll find your answer immediately.

small pool heater

#1 Model: XP025mini R3

Advised pool Volume: 0-10 m3

  • Air 15°C, Water 26°C, Humidity 70%
  • Heat Output (kW): 1.9
  • Power Consumption: 0.56
  • COP: 3.4
  • Voltage: 220-240V/50Hz
  • Rated Current: 2.6A
  • Fuse  Current: 7.5A
  • Advised water flux: 2m3/h
  • Water Pressure Drop: 15KPa
  • Water pipe in-out: 32 or 38 mm
  • Noise Level(10m): 48dB(A)
  • Noise Level(1m):57dB(A)
  • Net Weight: 18kg
  • Dimensions (L x W x H): 328 x 374 x 420mm

#2 Model: XP045mini R3

Advised pool Volume: 5-18 m3

  • Air 15°C, Water 26°C, Humidity 70%
  • Heat Output (kW): 3.2
  • Power Consumption: 0.91
  • COP: 3.5
  • Voltage: 220-240V/50Hz
  • Rated Current: 4.4A
  • Fuse  Current: 13A
  • Advised water flux: 2m3/h
  • Water Pressure Drop: 15KPa
  • Water pipe in-out: 32 or 38 mm
  • Noise Level(10m): 46dB(A)
  • Noise Level(1m):55dB(A)
  • Net Weight: 26kg
  • Dimensions (L x W x H): 437 x 462 x 521 mm

#3 Model: XP060mini R3

Advised pool Volume: 10-20 m3

  • Air 15°C, Water 26°C, Humidity 70%
  • Heat Output (kW): 4.2
  • Power Consumption: 1.2
  • COP: 3.5
  • Voltage: 220-240V/50Hz
  • Rated Current: 4.4A
  • Fuse  Current: 13A
  • Advised water flux: 2m3/h
  • Water Pressure Drop: 15KPa
  • Water pipe in-out: 32 or 38 mm
  • Noise Level(10m): 46dB(A)
  • Noise Level(1m):55dB(A)
  • Net Weight: 26kg
  • Dimensions (L x W x H): 437 x 462 x 521 mm


Enjoying our swimming pool as long as possible isn’t a dream. We bring you the solution: install ALSAVO Pool Heat Pump for your swimming pool!  You will have an ideal water temperature to fully enjoy swimming time, as long as possible, all year round. 

As one of the largest Pool Heat Pump manufacturers in China, we concentrate on scientific research and innovation, master exclusive Full-inverter technology. We strictly control the product quality, from the spare parts to the production line. Our excellent quality is welcomed by European users. 

ALSAVO has already 23 years old. We’ve remained committed to producing t he highest quality products while providing outstanding service that exceeds customer expectations, and earned an unsurpassed reputation for product design, manufacturing precision, quality assurance, experience and know-how, and a total commitment to customer satisfaction and support.

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