Rezsinullázó Szolgáltató Kft. is an innovative energy company based in Budapest that offers modern solutions for reducing overhead costs to residential and corporate customers. Its main activities include the design and implementation of solar panel systems, heat pumps, and other building engineering upgrades, as well as consulting on grant and financing opportunities. Their goal is to reduce their customers' energy consumption to a sustainable, even "zero" level in the long term, thus contributing to environmentally conscious and cost-effective operation.