Myths About Underfloor Heating Debunked! From usage with carpets to minimal maintenance required, learn about the reality of underfloor heating benefits.
Underfloor Heating is Expensive to Install and Run
Many people assume that underfloor heating is costly to install and expensive to run, but this is not necessarily true. While the initial installation cost may be higher than traditional radiators, it can be a long-term investment that reduces energy bills.
Underfloor heating operates at lower temperatures while still providing even and consistent warmth, making it more energy-efficient. Modern systems are designed to work with renewable energy sources like heat pumps, further improving cost-effectiveness.
Additionally, electric underfloor heating is relatively easy to install, especially in smaller areas like bathrooms. When combined with good insulation and an efficient thermostat, underfloor heating can be a cost-effective and energy-efficient way to heat a home.
Underfloor Heating Takes Too Long to Warm Up
A common misconception is that underfloor heating takes too long to heat a room. While it’s true that it works differently from radiators, it provides steady and consistent warmth rather than sudden bursts of heat. Modern underfloor heating systems, particularly electric versions, can reach desired temperatures quickly.
Water-based systems may take slightly longer, but with the right insulation and a well-programmed thermostat, they can maintain a comfortable temperature efficiently. Many systems also have smart controls that allow users to set schedules, ensuring the home is warm when needed. Unlike radiators, which create uneven heat distribution, underfloor heating spreads warmth evenly, meaning rooms stay comfortable for longer without sudden temperature drops.

Another advantage of underfloor heating is that it works well with modern heating controls, allowing homeowners to manage temperature settings with precision. Many systems come with programmable thermostats, ensuring that the heating starts warming the room before it is needed, eliminating any perceived delay.
Additionally, when paired with well-insulated floors, heat retention improves significantly, meaning that once the desired temperature is reached, the system doesn’t have to work as hard to maintain it.
This efficiency helps reduce energy consumption while still providing continuous warmth. Unlike radiators, which rely on convection to circulate warm air, underfloor heating evenly distributes heat across the entire room.
It’s Only Suitable for New Builds
Underfloor heating is often thought to be only for new builds, but it can also be installed in existing homes. While installing a water-based system may require more work, electric underfloor heating is an excellent choice for retrofitting, as it has a slim profile and can be laid over existing floors. Advances in technology mean that underfloor heating can be used in various types of properties, including renovations and extensions.
Many systems are designed to work with different floor coverings, making them versatile for modern and older homes alike. Whether for a single room, such as a bathroom or kitchen, or a whole-house heating solution, underfloor heating can be integrated into most properties with minimal disruption.
Underfloor Heating Can’t Be Used with Carpet
Some believe that underfloor heating is not compatible with carpets, but this is a myth. Carpet can be used with underfloor heating as long as the correct type is chosen. The key factor is ensuring that the combined tog rating of the carpet and underlay does not exceed recommended levels, allowing heat to transfer effectively.
Modern carpets are available with underfloor heating-friendly specifications, making them a suitable and cosy option. Thicker carpets with high thermal resistance may slow heat transfer, but choosing an appropriate underlay helps maintain efficiency. Adding underfloor heating beneath a carpet creates a warm and comfortable surface, eliminating the need for radiators and maximising floor space in a room.

It’s also important to note that underfloor heating can work efficiently with various carpet styles, including wool, synthetic, and mixed-fibre options.
Many manufacturers now produce carpets specifically designed for underfloor heating, ensuring optimal heat transfer while maintaining comfort. Proper installation plays a key role in performance—using the right underlay, avoiding overly thick materials, and ensuring even heat distribution all contribute to an effective system.
Underfloor heating under carpet provides a gentle, radiant warmth that rises naturally, preventing cold spots and maintaining an even temperature. With the right setup, it’s entirely possible to enjoy the comfort of carpet while benefiting from the efficiency and space-saving advantages of underfloor heating.
Underfloor Heating Requires Lots of Maintenance
Another common myth is that underfloor heating requires frequent maintenance. In reality, it is a low-maintenance heating solution when properly installed. Electric underfloor heating systems have no moving parts, making them highly reliable with little need for upkeep. Water-based systems, when installed correctly, are also designed to be long-lasting and require minimal servicing.
Unlike radiators, which may develop leaks or need bleeding, underfloor heating operates efficiently without frequent intervention. Regular system checks and using a well-insulated floor can help maintain performance. With high-quality components and correct installation, underfloor heating can provide years of efficient, hassle-free warmth without the need for constant maintenance.
Underfloor heating is an energy-efficient and modern solution for homes and businesses, providing even heat distribution and enhanced comfort. I specialise in installing, maintaining, and upgrading both electric and water-based underfloor heating systems across Nottingham, Mansfield, and Derby.