If you're wondering what gas underfloor heating is, read our article and learn the most important information about it. By reading further, you will learn how gas underfloor heating works, what gas boiler is worth choosing for underfloor heating, and what are the estimated installation costs of gas underfloor heating in a 100 m2 home. Welcome to reading.
✅ Gas underfloor heating is one of the modern heating systems that are increasingly chosen by homeowners. It is a system that involves heating the air in rooms by emitting heat from the floor. The floor, in turn, is heated using a system of pipes through which hot water flows from the gas boiler. This solution allows for even and comfortable heating of the entire room.
✅ Gas underfloor heating also provides energy savings because the heat rising from the floor slowly spreads in the room and maintains the air temperature at an optimal level (unlike radiators, which heat most strongly only the space in their direct contact and, with insufficient quantity, may result in cold zones in the room). Due to the fact that heating the floor does not require heating water to high temperatures - the gas boiler operates at low speeds and with significantly lower consumption, on so-called condensation.
☑️ Certainly from the point of view of the gas boiler and gas consumption - UFH (underfloor heating) is much more economical heating than radiators. While radiators often require supply temperatures higher than 50°C, water underfloor heating system can be supplied with temperatures of 28-35°C.
We can also risk stating that the disturbances in gas price markets - are already behind us, and according to forecasts, gas prices should be more stable, both in the UK and in Europe.
Additionally, using gas underfloor heating is also safe and does not generate the risk of carbon monoxide poisoning. Carbon monoxide poisoning may occur with traditional solid fuel boilers (e.g., coal, wood), which results from incomplete combustion (e.g., when access to fresh air is limited).
Gas underfloor heating is still a fairly innovative and efficient solution that provides comfort, energy savings, and safety, as can be seen by reading the rest of the article.
Gas underfloor heating works by heating water, which then circulates through pipes placed under the floor. The air in the room is heated by the thermal radiation emitted primarily by the heated pipes, which in turn heat the floor.
✅ The principle of operation of gas underfloor heating is as follows:
✅ Gas underfloor heating is highly efficient because heat is evenly distributed throughout the room (unlike radiators). It is also hidden in the floor, which saves space and provides a higher level of interior aesthetics. Therefore, gas underfloor heating is a popular solution in modern homes and offices, providing comfortable and energy-efficient heating in them.
Choosing the right gas boiler - or rather, gas condensing boiler (this is the correct name for this device) - is extremely important when using underfloor heating. The best choice in this situation is a modern type of a condensing gas boiler, which is characterized by high efficiency and performance. Thanks to the use of a special flue gas system, energy is recovered, resulting in savings. Additionally, it is important for the selected boiler to be adapted to work with the low temperatures of underfloor heating. Moreover, a condensing gas boiler is also more environmentally friendly, making it an increasingly popular choice for upgrading underfloor heating systems or building a new home.
✅ The costs of gas underfloor heating are directly dependent on gas prices, which constantly fluctuate on the market. The fees are also inseparably linked to gas consumption, which in turn depends directly on the intensity of heating usage, the area, and the degree of building insulation (old buildings may generate even several times higher costs compared to modern passive houses).
When considering the costs of gas underfloor heating, one must also take into account the costs of the installation itself. For example, for a 100 m2 house, a gas boiler with a heating power of approximately 25 kW costs at least 700-1200 €. In addition to the heat source, you should also consider the costs associated with installing the heated floor, such as purchasing appropriate materials:
In 2023, the estimated total cost of installing underfloor heating (including the purchase of a condensing gas boiler) for a 100 m2 house ranges from 6 000 to 10 000 €.
It is worth remembering that using underfloor heating can be more economical compared to traditional heating systems because it distributes heat evenly throughout the room, allowing for efficient energy use. However, before deciding on gas underfloor heating, it is recommended to conduct a detailed cost analysis to assess whether it is a profitable solution in the longer term from the perspective of the building you own.
Currently, gas prices have fallen to levels seen 2 or even 3 years ago, so gas underfloor heating is more cost-effective than it was a year ago when we saw record gas bills. However, it is worth noting that underfloor heating connected to a heat pump may be a more stable heating system in terms of cost predictability.
✅ Gas underfloor heating is most attractive when building a new home and having the opportunity to connect to the gas network. It is an ideal solution for people who prefer comfortable and even heating throughout the house. Underfloor heating provides warmth that spreads across the entire floor surface, eliminating temperature disparities in individual rooms. It is also an aesthetic solution because there is no need to install radiators, which allows for greater freedom in arranging furniture in the house (it is worth remembering not to cover the areas with underfloor heating with furniture).
Moreover, gas underfloor heating is in most cases more energy-efficient than traditional radiator heating because the heat emitted by the floor is used more efficiently. However, it is worth remembering that the costs associated with connecting to the gas network may be quite high. Regular inspection of the gas installation is also necessary. Therefore, before deciding on the installation of gas underfloor heating, it is necessary to carefully analyze your situation and the requirements posed by the building you own.
✅ Gas underfloor heating is still an innovative solution that provides great thermal comfort in your home. Thanks to this system, heat spreads evenly across the entire floor surface in each room where underfloor heating is installed, providing a pleasant feeling of warmth under your feet.
In addition, gas boilers used in such a system have high thermal efficiency, which means that most of the energy contained in the gas is converted into heat. This is synonymous with the fact that gas underfloor heating is more energy-efficient than traditional heating systems.
Furthermore, if you have an old boiler (e.g., coal or wood), replacing it with a new one - a gas condensing boiler - will bring additional savings. Condensing boilers use heat from the condensation of water vapor, which further increases their efficiency and reduces operating costs. Therefore, it is worth considering gas underfloor heating to increase comfort in your home and save on bills.
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