14 day cooling off period Free delivery, no minimum order

Boilers: Efficient Solutions for Hot Water Supply

Water heaters are essential components in building technology designed to supply hot water for various applications such as showers, baths, cooking, and heating. Their primary function is to heat water to a specific temperature and maintain this temperature over an extended period to ensure an immediate availability of hot water. This principle allows for efficient energy usage, as the water does not need constant reheating, enabling energy savings.

These heaters come in various sizes and types to meet the needs of different households and buildings. There are generally two main types of water heaters: open (non-pressurized) and closed (pressurized) heaters. Open heaters typically have an expansion tank, while closed systems are directly connected to the water supply and can withstand water pressure.

Modern water heaters are often designed to seamlessly integrate with alternative energy sources such as solar thermal systems or heat pump systems, making them a crucial component in utilizing renewable energy. The proper selection and sizing of a water heater are crucial for energy efficiency and comfort in a building.

Types of Water Heaters

Water heaters are central components in building technology and differ primarily in their functionality, energy source, and application. The choice of the appropriate type depends on various factors such as individual hot water demand, local conditions, and personal preferences. Here are the most common types of water heaters that can be considered for hot water supply:

Electric Water Heaters (Boilers)

Energy Source: Electricity

Application: Individual supply, e.g., in the kitchen or bathroom

Advantages: Easy installation, independence from central heating systems

Disadvantages: Higher operating costs due to electricity consumption

Gas or Oil Storage Water Heaters

Energy Source: Gas or heating oil

Application: Central hot water supply in conjunction with the heating system

Advantages: Efficient use of fuels, good integration into existing heating systems

Disadvantages: Dependence on fossil fuels, regular maintenance required

Solar Water Heaters

Energy Source: Solar energy

Application: Environmentally conscious households, often in combination with other heating systems

Advantages: Low operating costs, sustainable energy source

Disadvantages: Initial high investment costs, dependence on sunlight

Buffer Storage Tanks

Application: Combination with heating systems such as heat pumps or biomass boilers

Advantages: Storage of excess thermal energy, efficient use of the heating system

Disadvantages: Requires sufficient space for installation

Combination Storage Tanks

Application: Multiple use for heating and hot water

Advantages: Combination of hot water and buffer storage, optimal use of various heat sources

Disadvantages: More complex installation and higher upfront costs

Tankless Water Heaters

Energy Source: Electricity or gas

Application: Instantaneous hot water production without storage

Advantages: Space-saving solution, no heat loss from storage

Disadvantages: High energy demand for water heating, limited hot water quantity during simultaneous use

When deciding on a water heater, besides the upfront costs, operating costs, and environmental impact should also be considered. Therefore, it is advisable to gather comprehensive information before purchasing and, if necessary, seek professional advice.

Buying a Water Heater: What to Consider?

When purchasing a water heater, there are several considerations to ensure you find a solution that is suitable for your needs and energy-efficient. Here are important points to consider before making a purchase:

Determine Your Needs

Calculate daily hot water demand: How many people live in the household? How often is there showering or bathing? Do you need a capacity of 80 liters, 50 liters, or 30 liters?

Consider peak times: Are there times when a significant amount of hot water is needed?

Choose the Right Size

Storage volume: A too-small tank leads to shortages, while a too-large one results in unnecessary energy costs. Consider seeking advice to determine the optimal size.

Consider Energy Efficiency

Insulation: Look for good insulation to minimize heat loss.

Energy efficiency class: Modern devices often have an energy efficiency class. Choose a model with a high efficiency class to save costs in the long run.

Decide on Energy Source

Energy source: Consider available energy sources (electricity, gas, solar, etc.) and choose the most cost-effective and environmentally friendly option.

Check Installation Requirements

Space requirements: Ensure there is enough space for the installation of the heater.

Connections: Check if the necessary water and power connections are available at the installation location.

Opt for Quality and Durability

Materials: High-quality materials such as stainless steel or enameled steel can extend the life of the heater.

Warranty and service: Inquire about warranty services and customer support.

Consider Operating Costs

Maintenance: Some types of heaters require regular maintenance. Find out about the associated maintenance costs.

Power consumption: For electric heaters, power consumption is a crucial cost factor.

Consider Compatibility with Other Systems

Compatibility with other heating systems: Some heaters can be combined with solar panels or heat pumps to increase energy efficiency.

Compare Offers

Price-performance ratio: Compare various models and offers. The cheapest water heater may not necessarily be the best choice.

By considering these points, you can find a water heater that not only meets your needs but is also economically and environmentally conscious in the long run. Don't hesitate to consult experts to make the best decision for your situation.

Top of page