Heat pumps

Air-to-water heat pump

A heat pump reduces the cost of heating your home and therefore your electricity bills.
The function of a heat pump is to produce more heat energy than it consumes. For every 1kW of heat energy used, the pump produces 4-5kW worth of heat. On top of this, you can apply to your distributor for a discounted rate, so your energy bill will be reduced even further.

Heat from the air

Air-to-water heat pumps are the most widespread in our latitudes, thanks to the availability of the source, the ease of installation and the prevailing climatic conditions that ensure reliable functionality regardless of the season. Feris heat pumps offer functionality down to outdoor temperatures as low as -28 °C.

How it works

An air-to-water heat pump extracts heat from the ambient air and uses it to heat water. The heat pump works in 3 phases. First, heat is extracted from the ambient air, then its temperature is increased and finally the extracted heat is used in the house.
FERIS air source heat pumps are designed for aggressive weather conditions, are larger than typical units, have large evaporators and the patented iFROST defrost system. The units operate down to -28°C and use air to produce heat energy without the use of electric heaters.

The units are equipped with state-of-the-art fans with EC motors that achieve efficiencies of over 90% and energy savings of up to 50% compared to conventional motors. These motors are quieter over the entire speed range and have a much longer life and reliability. A major advantage of the fans is their ability to adapt to the desired airflow by limiting the speed while maintaining very high efficiency.
The large-diameter fan installed in FERIS heat pumps allows the speed to be reduced while maintaining the desired airflow, thereby reducing noise levels in real terms and providing airflows of 3 000 to 10 000 m3/h.

Advantages of heat pump:

When modernising, an air-to-water heat pump is the best option. Heat pumps are installed outdoors near the heated building and their purchase costs are low compared to other options.

FPM-EVI DC inverter R32

Innovative combination of EVI vapour injection with inverter compressor for high efficiency, high heating medium performance and low power gradient.

Tepelná čerpadla

We offer a product line of FERIS

in the range of 8.4, 13, 18, 23 kW





What do you gain when you buy a FERIS air source heat pump?

* The FERIS air source heat pumps were tested at a central heating supply temperature of 25 °C and achieved an energy class A+++ and COP 5.0.

If your old gas boiler is a Class 1 or Class 2 boiler, it needs to be replaced no later than 1 September 2024 under the new Environmental Protection legislation. If your gas boiler is newer, you can add a heat pump. This will also save you considerable money on heating your home.


for monoblock heat pumps provides exceptional features:



The hydrotower is a unitised functional hydraulic-automatic solution that replaces the boiler room. Its aesthetics, practicality and efficiency are revolutionary factors in favour of this choice.
The heat pump achieves much higher efficiency compared to a gas boiler. You can save up to two thirds of the cost compared to gas heating. Thanks to the online app, you can also control the temperature in your home remotely.
Installation is completed in 1-3 days. The heat pump can be connected to your current heating system.
To ensure a longer life of the pump, a service once a year is recommended.
Switching from a boiler to a heat pump means changing to a completely eco-friendly solution. No more fuel or gas is burned and the energy is obtained in a renewable way. Heat pumps generally reduce CO2 emissions by 70%

Renewable resources

On what principle does the heat pump work? It extracts heat from the environment and uses it for heating, hot water or cooling. The "ambient" and therefore the heat source can be air, water or ground. Different types of heat pumps are further distinguished by the way in which the extracted heat enters the building - whether through heated air or water. In practice, the following types of heat pumps are used: earth/water, air/water, water/water, air/air.