Gas heating is one of the most efficient, comfortable, and cleanest forms of heating. It achieves an efficiency rate of 98% for both heating and sanitary water preparation, a level unmatched by other fuels, especially solid fuels.
Additionally, gas heating significantly reduces pollution, which is crucial in improving air quality. We spoke with experts from Viessmann to learn about the benefits of gas heating and sanitary water preparation.
Types of Gas Used in Viessmann Boilers
What types of gas do Viessmann gas boilers use?
- Viessmann gas boilers use natural gas and liquefied petroleum gas. Thanks to the Lambda Pro Control combustion regulation, Viessmann condensing gas boilers automatically adapt to all types of gas, including biogas mixtures, meeting the requirements for eco-friendly heating technology.
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Efficiency of Viessmann Gas Boilers
What is the efficiency of your gas boilers?
- Viessmann condensing gas boilers have an efficiency of 98% when calculated with the higher heating value or 109% when calculated with the lower heating value.
How do Viessmann condensing boilers achieve 109% efficiency?
- This high efficiency is achieved by condensing the water vapor from exhaust gases and utilizing the released heat, which would otherwise be lost in conventional boilers. This process allows the efficiency to exceed 100%, reaching 109%. Viessmann condensing boilers are equipped with Inox-Radial stainless steel heat exchangers to facilitate this process.
Characteristics of Low-Temperature Gas Boilers
What are the characteristics of low-temperature gas boilers?
- These boilers offer additional gas savings, a broader modulation range, a more durable heat exchanger and burner, and low emissions of harmful gases.
Boiler Power Range and Applications
What power ranges are available for Viessmann gas boilers and for what areas are they designed?
- The power ranges from 19 kW to 150 kW for wall-mounted versions, covering a variety of areas and applications. The required power for heating depends on several factors, including the location, type of building, quality, and type of insulation, among other parameters.
Solar Support Systems
How does the solar support system work and what savings can be achieved?
- The solar support system uses solar energy whenever available, with the gas boiler activating only when necessary. This process is automated, requiring no user intervention. In continental climate area, this system can save about 60% on sanitary water heating and around 25% on overall heating annually.
Warranty and Maintenance
What is the warranty period for Viessmann gas boilers?
- Viessmann condensing gas boilers come with a two-year warranty. With regular servicing, users get a 10-year warranty on the heat exchanger. There is also an option to extend the boiler warranty to five years at the time of purchase.
Does the quality of gas affect reliable operation?
- The quality of gas can impact reliable operation. If the gas has lower thermal value, the device operates at reduced output. There are no malfunctions, but heating comfort may decrease. These issues are rare in US market.
Regular Maintenance Requirements
What does regular maintenance of gas boilers involve?
- Regular maintenance includes checking the boiler’s stable operation through its controls and addressing any issues, often caused by user adjustments. In systems where the boiler also heats sanitary water, particularly in areas with very hard water, the secondary heat exchanger is periodically flushed to remove scale.
Compatibility with Existing Heating Systems
Can Viessmann gas boilers be installed in existing central heating systems?
- Yes, they are designed for both modernizing existing systems and new constructions.
Can buyers rely on Viessmann support for quality installation?
- Absolutely. Our team, including a network of authorized installers and service technicians across the country, ensures quality installation, commissioning, and ongoing maintenance.
By choosing Viessmann gas boilers, you invest in a heating solution that is efficient, environmentally friendly, and provides high comfort and reliability.
Photo: Viessmann