The team from a Slovenian TV Show, visited the Kronovšek family from the Savinja Valley at the end of last year. They were among the first in Slovenia to choose a combination of heating with the KRONOTERM heat pump, coupled with the construction of a home solar power plant. Find out why they opted for this investment and their satisfaction with the solution.


The father, Bogdan Kronovšek, is a developer by profession and this is the reason why their house is made in a very advanced way – low-energy, well insulated and using the latest technology for heating and heat recovery. As a source for heating, they chose a hybrid heat pump KRONOTERM. They also installed floor heating throughout the house.


By adding a solar power plant to the house, the family also ensured production of their own electricity, which covers the entire energetic demand of the household.

Why did the family Kronovšek choose a combination of a heat pump and a solar power plant?

Their final decision to install a solar power plant was due to the sunny position of the house and the beneficial law regulations in the field of self-supply of electricity from renewable energy sources.


The investment in the solar power plant costed about 11,000 Euro (2018). They also received a subsidy of 1,800 Euro from Eco Fund, the Slovenian environmental public fund. Resulting from the above, the nett investment was approx. 9,200 Euro. Finally, the family now saves about 1,200 Euro (2018) per year for the electricity costs (heating costs + electricity consumption in the household). Summarizing the data above, the family will have the investment returned in approx. 7 years. At the time the investment is returned, the heating costs and the costs of electrical consumption in the household will become the nett savings to the family.

Calculations and prices are based on 2018 prices in Slovenia.

By using this technology, the family not only saves their money but also helps save the environment. Using a combination of a heat pump with a solar power plant, they lower the CO2 emissions by about 5 tons per year, which is equivalent to saving 20 trees.

What is the approx. investment in hybrid heating with a solar power plant and what would be the savings for an average house not having the best insulation?

We attach an informative calculation for the investment in a heat pump with a combination of solar power plant for a house of approx. 180 m2 size, having average facade insulation.


The complete investment in the hybrid system of a heat pump and a solar power plant is estimated to about 20,000 Euro (2018).


*Calculations and prices are based on 2018 prices in Slovenia.

foto 6
foto 7
foto 8

Savings when replacing a fossil heating source with an environmentally friendly source of a Kronoterm heat pump in a combination with a solar power plant

Below we give an example of a costs and savings calculation for a house of 180-m2 size, which was previously heated with fuel oil and is now replaced with heating with a heat pump in combination with a solar power plant.


Before installing the KRONOTERM heat pump, the approx. annual cost of fuel oil for heating was about 2,500 Euro (2018). However, if we distribute this cost to 12 months, the cost of heating at the monthly level is 209 Euro (2018). According to this calculation, we can quickly assume that the cost of monthly heating with fuel oil is higher than the amount of the monthly loan installment when getting a loan from the Slovenian Eco Fund for the purchase of a solar power plant in combination with a heat pump.


After 7 years of loan repayment, only the maintenance cost would remain, thus, your house would be warmed up for free, and you would produce electricity for your household. At that time, your savings would be the amount of your monthly loan installment and the electricity bill at the same time.

*Calculations and prices are based on 2018 prices in Slovenia.

What are the savings in upgrading the existing heat pump system with a solar power plant?

From the example in the Kronovšek family, it can be summarized that the annual savings after installing the solar power plant combined with the KRONOTERM heat pump are approx. 1,200 Euro per year – the annual cost of electricity consumed for heating, cooling and household use. According to the total investment, which amounted to 11,000 Euro or 9,200 Euro after receiving the subsidy from the Eco Fund, the investment (according to annual savings) will be repaid in approx. 7 years.



*The article was prepared in 2019. Calculations and prices are based on 2018 prices in Slovenia.


Contact us if you too would like lower heating costs and an efficient heat pump.

Tags: , , ,