A question we often hear from readers: is it actually possible to calculate the geothermal system payback for a private home in Ukraine and get a reliable answer? In October 2025, Kyiv-based engineering and geology firm Aquatoria compiled its own pricing data and typical consumption figures into a single calculation. Here are the key numbers and methodology — so you can apply them to your own property.
At a glance:
- Full installation in a 150–200 m² cottage — €15,000–€30,000.
- Annual savings on utility bills — €800–€1,500.
- Example: 180 m², investment of €20,000, savings of €1,200/year — payback in 8–9 years.
- Market-wide range — 7–12 years, determined primarily by tariffs and insulation quality.
What Makes Up the Budget
According to Aquatoria, the budget breaks down into four major cost items. Borehole drilling or horizontal loop installation alone accounts for 30–50% of the total. Next comes the heat pump itself as the core of the system, the hydraulic circuit (manifolds, pipes, heat exchangers), and the indoor heat distribution: underfloor heating, fan coils, and buffer tanks.
For a cottage of 150–200 m², total investment is estimated at €15,000–€30,000. The range is wide because the final price depends on equipment manufacturer, drilling depth, and soil conditions on the site.
What Stable Ground Heat Actually Delivers
A geothermal heat pump operates at a coefficient of performance (COP) of 3–4. In practical terms, this means: for every kilowatt-hour of electricity consumed by the compressor, it extracts three to four kWh of heat from the ground. For comparison, a direct electric boiler delivers COP=1 (electricity converts to heat one-for-one, with no efficiency gain), a gas boiler runs at roughly 90% efficiency with economics tied to the gas tariff, and a solid-fuel alternative demands a constant supply of fuel.
In financial terms, this translates to €800–€1,500 in annual savings — the range Aquatoria records for a typical home compared to gas boiler or electric heating.
Two Real-World Examples
To make the arithmetic concrete, the company presents two reference projects:
- Private house, 180 m²: installation — €20,000, annual savings versus gas — approximately €1,200, payback — 8–9 years.
- Office building, 1,000 m²: budget — €90,000, annual savings on heating and cooling — approximately €12,000, payback — 7–8 years.
What Speeds Up or Slows Down the Return
Why does one homeowner land near the 7-year mark while another sits closer to 12? Aquatoria identifies five key variables:
- Energy prices. The more expensive gas or electricity, the faster the investment pays off.
- Scale. A larger home or commercial property generates higher absolute returns.
- Loop type. Vertical boreholes cost more upfront but deliver more consistent performance over the long run.
- Government incentives. Subsidies or low-interest loans can, according to the company’s estimates, cut the payback period by 2–3 years.
- Design quality. Correctly sized capacity and professional drilling keep operating costs to a minimum.
Aquatoria also highlights equipment longevity: a heat pump lasts 25–30 years, while boreholes exceed 50. Once the system crosses into positive return territory, the owner benefits for the majority of the installation’s operational life.
Bottom Line for Ukrainian Homeowners
A geothermal system still requires substantial upfront capital and fits most naturally into new construction, where the loop can be installed without excavating a finished property. For an existing home, the decisive variables are actual annual heat consumption and the gap between that and the cost of your current fuel at local tariffs. If you’re in the evaluation stage, alongside the ground-heat numbers it’s worth checking a current overview of geothermal heat pump prices in 2026 and the broader picture of where Ukrainians are investing in alternative energy.
Sources: Аквіторія
Prepared by the Alternative Energy editorial team with the help of AI based on the sources listed; facts and figures were checked against them during automated editorial review. How we prepare articles
