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1st place in terms of efficiency.
Highest ETAs for air/water heat pumps
in the BAFA list

(as at 01.03.2025)

OVUM AirCube ACP

Welcome to the top class of efficient heating!

With the ACP series, Ovum is opening a new chapter in terms of efficiency. There are currently over 6900 air-to-water heat pumps in the list of heat pumps with test certificate / efficiency certificate from 01.03.2025 - Ovum in first place. Of over 6900 air-to-water heat pumps, Ovum has the air-to-water heat pump with the highest efficiency ETAs(35) at 238%!

Simply brilliant!

  • Outstanding efficiency SCOP[35] of 6.02

  • Environmentally friendly refrigerant propane R290

  • Whisper-quiet operation only 39.9 dB(A)

  • Sophisticated overall system Cube storage tank

  • High temperatures up to 70°C ideal for refurbishment

  • Perfect PV management watt accurate adjustment

Superior efficiency

SCOP[35] of 6.02

Environmentally friendly

Refrigerant propane R290

Whisper quiet

Operation at only 39.9 dB(A)

Thoughtful

Complete system with Cube memory

High temperatures

up to 70°C, ideal for renovation

PV Management

watt-accurate adjustment for PV systems

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ACP series at a glance

Ovum Original_cross

YOUR ADVANTAGES AT A GLANCE:

  • Maximum efficiency thanks to HGS
  • Absolutely low power consumption thanks to higher SCOP
  • Flow temperatures up to 70°C
  • Ideal in new construction and renovation
  • Extremely quiet with only 39.9 dB(A) sound power level according to ERP
  • HGS - Process Inside for perfect power control
  • Perfect PV management integrated
  • Heating, cooling and hot water

The air - heat pumps ACP series

6.02 - the magic number opens up a new era in efficiency. Welcome to the top class!

Ovum ACP_air_heat_pump_efficiency

An SCOP[35] of 6.02 sets new standards in the heat pump industry and ensures the lowest energy consumption. The SCOP[35] reflects the efficiency that you can achieve at your location with the corresponding heating system.

In 2022, Ovum was the first heat pump manufacturer to exceed this magic threshold of 6.

The graph on the left lists relevant competitors with high efficiency figures. The ACP propane heat pumps from OVUM clearly stand out and offer you unbeatably low operating costs.

The SCOP efficiency is regulated in EN14825 and determined in a complex test procedure at a certified testing institute. For this purpose, the efficiency of the heat pump is tested at various temperature ranges. Both the operating limit (at -20°C) and the test points at -10°C, -7°C, 2°C, 7°C and 12°C are measured precisely. 

We have had our products tested and certified at the WPZ heat pump test center in Switzerland. The test certificate shown on the right certifies not only the high SCOP, but also our efficiency in all temperature ranges.

Temperatures as low as -20°C are simulated in the test chamber. The heat pumps must also pass this test and work safely even at such temperatures.

The picture on the left shows an image from the test chamber of an additional measurement under these conditions.

As a rule, heat pumps are not exposed to such conditions in the field. However, it gives you the certainty that with the OVUM ACP you are not only purchasing the most efficient and one of the quietest heat pumps on the market, but also an absolutely high-quality product.

Even quieter thanks to optimized cube slats

Thanks to its generous dimensions, the ACP series is also very quiet. Thanks to the new optimized cube slats, the sound has been reduced by an additional 1.2 dB. These new slats are now included as standard. The ACP therefore achieves an incredible 39.9 dB(A) sound power level (according to ERP), making it one of the quietest air source heat pumps on the market. These values were determined in the course of measurements at the testing institute. This sound measurement must be carried out according to ERP at a defined output level and heating temperature. This clear definition makes these sound values comparable for customers.

The OVUM AIRCUBE stands out with an absolutely low sound power level of 39.9 dB(A) thanks to its sound-reducing cladding and an integrated bionic air conduction function.

The OVUM AIRCUBE stands out with an absolutely low sound power level of 39.9 dB(A) thanks to its sound-reducing cladding and an integrated bionic air conduction function.

Ovum air heat pump_HGS inside

Higher efficiency thanks to HGS

For high efficiency, a heat pump must not only be efficient at a certain temperature, but must deliver the best performance values over the entire annual course. The OVUM Aircube sets new standards here. Perfectly matched technology and the integrated HGS process (hot gas process) ensure these high efficiency values over a wide temperature spectrum. The effect - the heat pump not only excels in individual areas, but delivers outstanding performance over the entire annual temperature curve.

Refrigerant propane

Thanks to the environmentally friendly refrigerant propane, even high flow temperatures are no problem. Heating, cooling and water heating are child's play for the AirCube ACP.

You have the choice:

Our ACP series is available in black or modern gray. Decide for yourself which housing is right for you.

Aircube + Ovum - cube storage an excellent team!

An efficient heat pump system requires more than just the most efficient air source heat pump on the market. With the optional Ovum Cube storage system, you get the full potential of the best heat pump. 

more info about Ovum cube memory

Heating and cooling they keep a cool head

In times of global warming, cooling is indispensable. In order to keep the comfort in the building at the same level all year round, all heat pumps from Ovum can prepare and cool hot water in addition to heating. With geothermal heat pumps, this is done extremely efficiently by means of passive cooling (only 2 circulation pumps are required - the heat pump does not run).

With air-source heat pumps, cooling is active (compressor running). However, Ovum sets new standards here as well and cools the building completely free of charge. The only requirement is a photovoltaic system on your roof. Ovum uses the PV overcurrent and adjusts the power continuously and watt-precisely to the PV supply. The cooling is only active when there is enough PV power.

Electric power from photovoltaics is best consumed by yourself!

Every heat pump needs electricity. One more, the Ovum less. Nevertheless, you can't do without electricity altogether. How good that there are PV systems! How good that Ovum exists! Because our heat pumps can work with any photovoltaic system. Regardless of the PV manufacturer and regardless of whether they have a battery or not - Ovum heat pumps always use only the electricity that finally leaves the building in the direction of the grid. And that exactly to the watt! Thus, we can increase self-consumption many times over, making you independent! In addition to increasing the setpoints for hot water and heating, our control system can do even more. We can heat your swimming pool completely free of charge. We can control cooling for your building using only PV power. Ovum heat pumps can harness PV power like no other. Our products are the absolute leader when it comes to integrating the heat pump with a PV system.

Features of the air source heat pump:

  • 6.02 - outstanding efficiency
  • Intelligent photovoltaic connection
  • Environmentally friendly refrigerant R290 propane
  • perfectly combinable with the Ovum - cube accumulator
  • Whisper quiet only 39.9 dB(A)
  • Access your heat pump from anywhere via web-based remote maintenance

Outstanding technology

6.02 - superior SCOP[35]

Integration with PV plant

Intelligent photovoltaic connection

Environmentally friendly components

with refrigerant R290 propane

Memory

perfectly combinable with the Ovum - cube accumulator

Noise level

Whisper quiet only 39.9 dB(A)

Remote operation

Access your heat pump from anywhere via web-based remote maintenance

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Information and Technical Data Ovum ACP Series

more info

Tel: +43 5332 81238 0
E-mail: office@ovum.at

Simply ingenious ingenious-simple

Address

Tirolerstraße 32, 6322 Kirchbichl
Tyrol, Austria

The statement "most efficient air source heat pump in the world" refers to the OVUM press conference (2022) on the publication of the test results for the AC312P air source heat pump determined by the independent testing institute WPZ in Switzerland. Here, the new AC312P air source heat pump was the first air source heat pump to exceed the magic efficiency threshold of SCOP35 of 6 and achieve a value of 6.02. To the best of our current published knowledge, there is currently no other officially tested air source heat pump available on the market with an SCOP35 greater than 6.0. Should there be any new data or publications, please let us know.

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