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Heating, cooling and water supply for your home
Home comfort depends on many things, but above all on three core systems: heating, cooling and water supply. These three systems are planned before renovation or construction begins, because changing them later is much harder.
According to the IEA's 2025 report, buildings account for about 30% of global energy demand. In advanced economies, around 70% of the energy used in homes goes to space and water heating. These figures explain why it pays to think about your heating and cooling system in advance: it affects how much energy you use every day.
Central heating systems and room heating
Home heating systems are not the same in every case. A central heating system, with a boiler, pipes and, for example, panel radiators, is especially useful when a home has several rooms or floors and every space needs to be heated evenly.
The boiler, heat distribution pipes, and radiators or convectors are all connected, so choosing the wrong component affects the whole system.
Heating and cooling in one system
Many people see heating and cooling as two separate matters, yet the same device often handles both. Nova's air conditioner with a heating and cooling function works across two seasons. As the US Department of Energy explains, this kind of heating and cooling system moves heat out of the house in summer and brings heat from outdoors inside in winter.
This is especially useful in the transitional seasons, when the central heating is not yet on or a particular room needs to be warmed up quickly.
As temperatures rise, summer cooling becomes a crucial issue. According to the IEA, energy use for space cooling has tripled since 1990, and in 2022 it grew by more than another 5%. Against this backdrop, choosing a home cooling system before the season starts means less stress.
Room cooling depends on floor area, ceiling height and which way the room faces. For a small apartment, one air conditioner is often enough. For a large house or several floors, the choice between a central cooling system and separate units in individual rooms depends on your specific conditions. Central cooling keeps the same temperature in every space, but its installation has to be planned in advance.
Water supply: the system that works unnoticed
Together with heating and cooling, water supply makes up the core infrastructure of a home. According to the World Health Organization, safe and accessible water is the foundation of hygiene, food preparation and everyday life.
A home water supply system includes water pumps, water heaters, cylindrical vertical tanks, pipes, fittings and sewage components. These are chosen based on system capacity, water pressure and usage.
Nova's heating, cooling and water supply category features more than 525 products. Here you will find air conditioners, boilers, radiators, convectors, electric heaters, fans, water pumps, water heaters and a complete range of sewage components. Brands include Midea, Gree, Ariston, Baxi, Thermex, Tesy, Baymak, INGCO and more.