Underfloor heating (UFH) is one of the most popular choices for homeowners in the UK, offering an energy-efficient, space-saving, and luxurious way to heat a home. However, many homeowners wonder: Is it more efficient to always leave underfloor heating on, or should you turn it off when not in use?
The short answer is that our experts at Happy Dog Plumbing & Heating recommend keeping underfloor heating on low and optimising energy efficiency. This approach has pros and cons, which we will explore below to help you make an informed decision.
If you need installation, repairs, or expert advice on optimising your underfloor heating system, Happy Dog Plumbing & Heating is here to help. Our expert engineers have been assisting homeowners in getting the most out of their heating systems for years.
Call us today on 02086822244 or email us at hello@happydogplumbing.london to optimise your heating system and keep your home warm efficiently!
“Trust Happy Dog Plumbing & Heating for reliable plumbing and heating solutions to keeping your homes warm and worry-free!”
The Pros And Cons Of Underfloor Heating
Underfloor heating operates differently from traditional radiators. Instead of heating the air in one part of the room and relying on warm air rising, UFH provides gentle, radiant heat from the ground up, ensuring even heat distribution across the entire space.
With that in mind, let’s explore the pros and cons of leaving your underfloor heating on.
The Pros
1. Consistent And Even Heating
Unlike radiators, which concentrate heat in one area and take time to warm up a room, underfloor heating ensures even heat distribution from the ground up. This means:
- There are no cold spots near windows or doors.
- No temperature fluctuations.
- A comfortable, balanced warmth throughout your home.
When left on at a low, controlled temperature, UFH maintains a steady indoor climate, making your space feel cosy all day.
2. Improved Energy Efficiency
UFH systems operate at a lower temperature than radiators while providing the same (or better) level of warmth. Traditional radiators must reach 60-70°C to heat a room, whereas UFH can comfortably heat your home at just 27-32°C.
By leaving it on at a lower temperature, you:
- Reduce energy waste (less power needed to reheat cold floors).
- Lower heating costs over time.
- Enhance the efficiency of heat pumps (if you use one).
This makes UFH one of the most cost-effective heating solutions, especially when paired with a smart thermostat.
3. Faster Warm-Up Times
Because underfloor heating works by gradually heating the floor structure, turning it off completely can mean long wait times when you need warmth again. A cold floor can take 2+ hours to reach a comfortable temperature.
By keeping UFH running at a low, steady temperature, your home stays warm without long waiting periods, making it ideal for the winter months.
4. Minimal Maintenance And No Visible Radiators
One of the biggest benefits of UFH is that it requires very little maintenance compared to traditional heating systems. Once installed:
- There are no radiators to clean, paint, or repair.
- There are no pipes to bleed.
- There is no risk of dust build-up, making it ideal for allergy sufferers.
As long as it’s installed correctly and used efficiently, UFH can last decades without issues.
5. Increased Property Value
Modern buyers look for energy-efficient, stylish, and space-saving heating solutions. With UFH, you:
- Eliminate bulky radiators, freeing up wall space.
- Make your home more energy-efficient, a huge plus for potential buyers.
- Create a luxurious feel that enhances modern home designs.
Whether you plan to stay in your home or sell, UFH adds long-term value.
6. Works Seamlessly With Smart Thermostats
Today’s heating technology allows you to control UFH with smart thermostats, which means:
- Automated heating schedules based on your daily routine.
- Temperature zoning, so you only heat the rooms you use.
- Remote control access, letting you adjust settings from anywhere.
Pairing UFH with a smart thermostat ensures maximum efficiency and comfort while keeping your energy bills in check.
7. Perfect For Open-Plan And Modern Homes
UFH is especially beneficial for open-plan living spaces, where radiators struggle to distribute heat effectively. With underfloor heating, you get:
- Uniform warmth across larger areas.
- A clutter-free aesthetic with no radiators.
- Enhanced comfort in high-ceilinged spaces (where radiator heat tends to rise and be lost).
The Cons
While UFH offers numerous pros, there are a couple of cons to remember.
1. Slower Heat Response Time
Unlike radiators, which heat up within minutes, underfloor heating takes longer to reach optimal warmth. This is because it heats the entire floor surface, radiating heat upwards.
Solution: Leaving UFH on at a low temperature ensures it’s always warm without long wait times.
2. Flooring Considerations
Underfloor heating works best with materials that conduct heat efficiently, such as:
- Tile
- Stone
- Engineered wood
As carpets, thick rugs, or solid hardwood floors can reduce efficiency slightly.
Solution: Choose UFH-compatible flooring to maximise heat output.
Best Practices To Optimise Underfloor Heating Effectively
To strike the perfect balance between efficiency and cost savings, follow these expert tips:
- Use a smart thermostat – Automate heating schedules and avoid excessive energy use.
- Set an optimal base temperature: Keep UFH at 16-20°C when not in use, increasing it gradually when
- Improve home insulation – Prevent heat loss by properly insulating walls, floors, and windows.
- Utilise zonal heating – Heat only the rooms that need warmth instead of the entire house.
- Lower the temperature at night – Set a reduced temperature during sleep hours to conserve energy.
Need Expert Advice? Connect With Happy Dog Plumbing & Heating Today!
After reading this pros and cons guide, you can better understand the pros and cons of leaving your heating system on. Ultimately, the best approach is a controlled, optimised heating schedule tailored to your home’s needs. If you’re unsure, consulting an experienced heating professional can help you make the right choice for comfort, efficiency, and cost savings.
Happy Dog Plumbing & Heating specialises in underfloor heating system installations, repairs, and maintenance. If you need expert advice on running your UFH system efficiently, our Gas Safe engineers and NAPIT-approved electricians are here to help.
Contact us now on 02086822244 or email us at hello@happydogplumbing.london and let us help you achieve a warm, energy-efficient home!
