In the pursuit of efficient and sustainable heating and cooling solutions, heat pump systems have emerged as a frontrunner in modern climate control technology. These systems offer a versatile and environmentally friendly alternative to traditional HVAC systems, leveraging the principles of thermodynamics to provide both heating and cooling for residential and commercial spaces. In this article, we delve into the basics of heat pump (tepelné čerpadlo) systems, exploring how they work and the benefits they offer.