Water Heaters – Complete Guide to Choosing the Right System

Storage vs tankless water heaters

Storage water heaters heat and store water in tanks ranging from 30 to 200 liters, making them ideal for households with multiple users. Tankless models heat water on demand without a reservoir – they save space but require stronger electrical wiring. For a family of 3-4, an 80-100 liter storage heater provides enough hot water for daily needs.

Electric water heaters – most popular choice

Electric heaters from brands like ARISTON, BOSCH and Gorenje are easy to install and don't require a chimney. Models with enameled tanks are more resistant to corrosion, while stainless steel units can last up to 15 years. Look for energy class B or C ratings – these models reduce electricity consumption by up to 20% annually.

Gas water heaters for economical operation

Gas heaters significantly reduce water heating costs compared to electric models, but require connection to gas supply and proper ventilation. CENTROMETAL and Ariston Thermo Group offer models with modulating burners that automatically adjust power to demand. Regular servicing is mandatory for both safety and efficiency.

Capacity – how many liters do you need

A single person needs a 30-50 liter heater, while a family of four requires at least 80 liters for showers, sink and other uses. Larger capacity doesn't always mean higher consumption – quality insulation maintains temperature for hours without additional heating. Brands like ELBI and Electrolux offer precise thermoregulation that prevents excessive heating.

Protection against limescale and corrosion

Magnesium anode protects the tank from corrosion and must be replaced every 1-2 years depending on water hardness. Some models have electronic protection that lasts longer and doesn't require replacement. In hard water areas, installing a water softener or more frequent maintenance is recommended.

Installation and additional features

Vertical heaters are most common and stable, while horizontal and slim models from brands like Kospel and Grundig save space in small bathrooms. ECO function automatically optimizes heating according to usage patterns, while smart thermostats enable remote control via app. Check that the model has overheat protection and safety valve before purchasing.

Selection and Pricing

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