Solar collectors can reduce water heating costs by two thirds within a year. In the case of a family of four, this means savings of thousand zlotys. Prices of these devices start at 8 thousand zlotys, although the most expensive can cost up to 35,000. If a loan to finance the purchase of solar, we can count on a return to several percent of the expenses incurred.

Read more: Collectors can reduce hot water bills by two thirds!