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10 Best heat reflectors for behind radiator

Welcome to our top 10 product reviews for heat reflectors for behind radiator. We've scoured the market to bring you the best of the best, with products ranging from a 7.1 score up to a whopping 9.8 score!

Updated January 2026
topTop product
1
BLOSTM Foil Insulation Roll 1m x 10m - Radiator Reflector Panels for Floor, Ceiling, Roof, Wall Insulation - Aluminium Bubble Radiator Reflective Foil Roll - Heat & Vapour Barrier Saves Energy
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9.8
Exceptional

BLOSTM Foil Insulation Roll 1m x 10m - Radiator Reflector Panels for Floor, Ceiling, Roof, Wall Insulation - Aluminium Bubble Radiator Reflective Foil Roll - Heat & Vapour Barrier Saves Energy

Main Highlights

ENERGY EFFICIENT - This foil bubble wrap insulation reflects 97% of the heat back into your room. There is less energy needed to heat your home with radiator reflector panels; so you can turn the temperature down. Helping reduce your carbon footprint with the BLOSTM Radiator Reflective Foil.

EASY TO INSTALL - Quickly install our lightweight radiator reflector foil, tailored to fit any space with easy cutting. It is discreet and does not ruin the appearance of your home. Minimal maintenance, just occasional dusting, saves you money. Ideal for various applications like water heaters, windows, RVs, greenhouses, attics, garages, floor insulation, roof insulation for buildings, and even pet hutch insulation! (PLEASE NOTE: Adhesive pads NOT included with this insulation roll).

HIGH-QUALITY PRODUCT - Our bubble foil insulation, featuring laminated aluminium with anti-oxidation coating, is versatile for year-round use on windows or as a radiator heat reflector to cut energy costs. Resilient against moisture, tears, and punctures, it stays stable in high humidity. Trust its enduring performance; water and mould resistance make it suitable for damp areas.

SAFE TO USE - Our thermal wrap insulation roll meets top standards, ensuring safe winter warmth. Providing a 3-in-1 solution - thermal insulation, radiant heat barrier, and vapour barrier. Versatile for indoor or outdoor use, this heat insulation shield effectively weatherproofs various spaces, including barns, concrete floors, and wine cellars.

SAVES YOU MONEY - By using the radiator foil reflector roll to reflect the heat back into the room your home stays warm for longer allowing you to reduce your heating bills. It is great energy saving value for money especially with all the money you can save from wasted heat. (Dimensions: 1m x 10m. Thickness: 2.4mm)

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9.8
Exceptional
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2
Radiator Foil Insulation Roll 10m x 60cm - 1 Pack Radiator Reflector Panels for Enhance Heat Efficiency - Energy Saving Radiator Heat Deflector for Home Heating with Adhesive Pads Included
9.6
Excellent

Save Β£1

Radiator Foil Insulation Roll 10m x 60cm - 1 Pack Radiator Reflector Panels for Enhance Heat Efficiency - Energy Saving Radiator Heat Deflector for Home Heating with Adhesive Pads Included

Main Highlights

πŸ“‰γ€SAVE ON ENERGY BILLS】Radiator foil can SAVE MONEY this WINTER when BILLS are going up. The radiator reflector foil with insulating material can help reflect heat away from the wall by 90% and reflect the heat back into your room. The heat reflective sheet is 3mm thick!

πŸ”¨γ€EASY TO INSTALL】The foil insulation can be cut to size to fit all radiator screen sizes, the set comes with a 60cm wide insulation roll sheet and can extend up to 10m (giving you enough radiator backing foil to place behind 3 radiators!) The kit comes with adhesive sticky pads x 12, allowing you to cut the radiator reflector to size and then press it behind the radiator or wall to give off more heat.

πŸ˜Šγ€ECONOMICAL】 The radiator foil reflector roll can reduce heating bills and money spent. Once installed you will notice that the heat given off and escaping at the back will be reflected back towards the room. The 3mm thick heat shield material placed behind your radiators are lightweight and thicker than other radiator heat reflector.

♻️ 【RECYCLABLE】You can use this product year after year and the radiator insulation can easily be folded and stored until next winter. The insulation air bubbles in between the foil help reflect over 90% of heat given off from your home's radiators. The panels that you cut to size can be a great way to lower your radiator temperature and thermostat and keep the room temperature the same!

πŸŽ–οΈγ€WARRANTY】This radiator foil has a 100% warranty on it! If you have any issues with the product please message us!

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9.6
Excellent
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bestBest value
3
Radiator Foil Reflector Roll 10 Metres – Heat Reflective Insulation Roll Foil Sheet Backing – Thermal Bubble Wrap Energy Saving Radiator Heat Reflector Foil Insulation for Behind Radiators
9.5
Excellent

Save Β£2

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Radiator Foil Reflector Roll 10 Metres – Heat Reflective Insulation Roll Foil Sheet Backing – Thermal Bubble Wrap Energy Saving Radiator Heat Reflector Foil Insulation for Behind Radiators

Main Highlights

πŸ“‰ KEEP ENERGY BILLS DOWN: With energy bills rising, this radiator foil reflector roll is a cost-effective way to keep heat inside your home. Installed behind your radiator, up to 90% of heat is reflected back into your room. This heat reflective insulation roll can help reduce wasted energy and save you hundreds on heating bills.

πŸ”¨ EASY TO INSTALL: Supplied as a 10 metre insulation roll, this radiator insulation foil can be cut to any size with standard kitchen scissors. Simply measure, cut to length, make small slits for radiator brackets, and slide the foil sheet backing behind your radiator. Fix to the wall with strong double-sided sticky pads for quick and secure installation.

😊 ECONOMICAL: Made from 4mm thick thermal bubble wrap insulation, this reflective backing maximises radiator efficiency by stopping heat from escaping through walls. One roll covers 6mΒ² – enough for around ten 1-metre wide radiators – making it excellent value for money. The savings on bills will quickly outweigh the cost of the heat reflector for radiators.

♻️ FULLY RECYCLABLE: This durable radiator foil reflective thermal sheet can be reused year after year. At the end of winter, simply remove it, fold it up, and store until next season. Reinstallation takes under a minute with fresh sticky pads.

πŸŽ–οΈ WARRANTY: Backed by a 3-year warranty for peace of mind. If you encounter any issues, we’ll provide a replacement quickly and hassle-free.

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9.5
Excellent
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4
The Stove Wizard Foil Insulation Folded 5m x 60cm Radiator Reflector Panels for Floor Roof Wall and Ceiling Heat and Vapour Barrier Energy Saving Bubble Foil Wrap
9.2
Very Good

The Stove Wizard Foil Insulation Folded 5m x 60cm Radiator Reflector Panels for Floor Roof Wall and Ceiling Heat and Vapour Barrier Energy Saving Bubble Foil Wrap

Main Highlights

Industry-Leading Heat Reflection Technology Crafted with dual-layer bubble insulation and laminated aluminium foil, our radiator reflector foil reflects up to 97% of radiant heat back into your living space. This dramatically reduces heat loss through external walls and boosts the performance of every radiator it’s paired with.

Energy-Saving & Eco-Friendly Heating Solution Lower your thermostat without sacrificing comfort. By improving radiator efficiency, our foil helps reduce household energy consumption, shrink your carbon footprint, and save money on heating billsβ€”especially during cold UK winters.

Quick DIY Installation – No Tools Required Designed for hassle-free fitting, each roll includes adhesive pads and can be easily cut to size with scissors. Simply slide the foil behind your radiator or attach it to the wallβ€”no need to remove radiators or hire a professional. It’s the perfect weekend project with long-term benefits.

Durable, Multi-Purpose & Year-Round Use Made from oxidation-resistant aluminium and robust bubble wrap, this foil is built to last. Use it behind radiators, on windows, in lofts, sheds, or conservatories. It’s effective for both winter heat retention and summer heat deflection.

Trusted UK Brand – Serving Homes Since 2010 The Stove Wizard is a proudly British brand with over a decade of experience in home heating and insulation. We’re known for delivering reliable, high-quality products that combine performance, value, and ease of use. Join thousands of satisfied customers who trust us to keep their homes warm and efficient.

3.6mm Thick triple layer. 3M Self adhesive pads included

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9.2
Very Good
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5
BLOSTM Radiator Insulation Foil 5m x 60cm - Bubble Insulation Foil Reflector Thick Heat Reflective Bubble Wrap Radiator Foil Reflector with Adhesive Pads - Covers 3+ Radiators
9.1
Very Good

Save Β£3.6

BLOSTM Radiator Insulation Foil 5m x 60cm - Bubble Insulation Foil Reflector Thick Heat Reflective Bubble Wrap Radiator Foil Reflector with Adhesive Pads - Covers 3+ Radiators

Main Highlights

REDUCE HEATING BILLS – This reflective bubble foil insulation reflects 97% of the heat back into your room. There is less energy needed to heat your home with radiator reflector panels, so you can turn the temperature down. Dimensions: 5m x 60cm. Thickness: 3.6mm.

EASY TO INSTALL – Quick and easy to use. Simply hang the radiator reflector foil from the wall brackets on your radiator and it disappears inside. It is discreet and does not ruin the appearance of your home. It can be cut to your preferred size too. There is no maintenance required for the radiator heat reflector, apart from a little dusting every now and then to ensure it provides the best performance.

HIGH QUALITY – This bubble heat reflective radiator foil insulation is made from laminated aluminium foil with a coating to prevent oxidation. It is a robust material to ensure it lasts for years. For use throughout the year whether it is on windows to keep heat out, or for use as a radiator booster to save on energy bills.

SAFE TO USE – BLOSTM Radiator Foil Reflector Panels are tested to the highest standards and is safe to use for ways to keep house warm in winter. It can be used as a radiator heat deflector to reflect the heat from your radiator with its efficient radiator thermal foil backing material.

COVERS 3+ RADIATORS – The radiator foil reflector keeps your home warm for longer, helping you to cut down on energy costs. Each 5m x 60cm bubble foil delivers generous coverage, making it ideal to use for multiple radiators in your home.

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9.1
Very Good
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Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched

Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched

6
CUQOO Radiator Foil Reflector Roll 5β€―mβ€―Γ—β€―60β€―cm – Thermal Reflective Radiator Insulation Foil & Heat Deflector Panel, Radiator Backing Foil, Energy‑Saving Self‑Adhesive Radiator Reflector
8.8
Good

Save Β£4.5

Free Shipping

CUQOO Radiator Foil Reflector Roll 5β€―mβ€―Γ—β€―60β€―cm – Thermal Reflective Radiator Insulation Foil & Heat Deflector Panel, Radiator Backing Foil, Energy‑Saving Self‑Adhesive Radiator Reflector

Main Highlights

π„ππ„π‘π†π˜-π’π€π•πˆππ† π‘π€πƒπˆπ€π“πŽπ‘ π…πŽπˆπ‹ – CUQOO radiator reflector foil reflects heat back into your room, reducing heat loss and energy bills. Ideal for homes using central heating or electric radiators.

π“π‡πˆπ‚πŠ 𝐁𝐔𝐁𝐁𝐋𝐄 𝐖𝐑𝐀𝐏 πˆππ’π”π‹π€π“πˆπŽπ – Made from 3.6β€―mm thick double-layered bubble wrap and foil, this insulation roll improves radiator efficiency and reduces wall heat absorption behind radiators.

π„π€π’π˜ πƒπˆπ˜ πˆππ’π“π€π‹π‹π€π“πˆπŽπ – Lightweight and flexible foil insulation roll is easy to cut and apply with self-adhesive backing. Install behind any radiator without professional tools or fittings. Complete with adhesive sticky pads, installation is quick and hassle-free.

πŒπ”π‹π“πˆππ‹π„ π‘πŽπ‹π‹ 𝐋𝐄𝐍𝐆𝐓𝐇𝐒 π€π•π€πˆπ‹π€ππ‹π„ – Available in 5m, 10m, and 25m rolls to suit every room size. Ideal for single radiator upgrades or full-house radiator insulation across multiple spaces.

πŒπ”π‹π“πˆ-ππ”π‘ππŽπ’π„ πˆππ’π”π‹π€π“πˆπŽπ π…πŽπˆπ‹ – Also suitable for shed insulation, garage walls, van interiors, loft spaces, and greenhouse panels. A versatile heat shield for year-round energy efficiency.

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8.8
Good
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7
Radiator Foil Reflector Roll 5m x 60cm – Heat Reflective Radiator Foil Panels and Insulation Sheet – Radiator Reflector Foil for Behind Radiators – Thermal Radiator Insulation Includes Sticky Pads
8.6
Good

Save Β£4

Free Shipping

Radiator Foil Reflector Roll 5m x 60cm – Heat Reflective Radiator Foil Panels and Insulation Sheet – Radiator Reflector Foil for Behind Radiators – Thermal Radiator Insulation Includes Sticky Pads

Main Highlights

πŸ“‰ KEEP ENERGY BILLS DOWN: With heating costs rising, this radiator foil reflector roll is a cost-effective way to keep more warmth inside your home. Installed behind radiators, up to 90% of heat is reflected back into the room. This heat reflective sheet helps reduce wasted energy and could save you hundreds on bills over the colder months.

πŸ”¨ EASY TO INSTALL: Supplied as a 5 metre x 60cm radiator foil insulation roll, it can be cut to any size with regular kitchen scissors. Simply measure, cut the length required, make small slits for wall brackets, and slide the thermal foil backing behind your radiator. It fixes securely to the wall using the included super-strength double-sided sticky pads.

😊 ECONOMICAL: Made from 4mm thick reflective radiator insulation panels, this thermal foil prevents heat escaping through walls and maximises radiator efficiency. One roll covers 3mΒ² – enough for five 1-metre wide radiators. The cost of this heat saving reflective insulation is quickly recovered through reduced energy bills.

♻️ FULLY RECYCLABLE: Built to last, this foil radiator insulation can be reused year after year. At the end of winter, simply remove it, fold it up for storage, and reinstall next season in under a minute using fresh sticky pads.

πŸŽ–οΈ WARRANTY: Backed by our extended 3-year warranty for peace of mind. If you encounter any issues, we’ll provide a fast and hassle-free replacement.

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8.6
Good
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9
DSL Radiator Reflector Foil 5m x 60cm - 3.6mm Thick Bubble Wrap Insulation Roll - Energy Saving Helps Winter Bills Radiator Foil - Rflection Insulation Roll Heat Deflector for Home Heating Efficiency
8.2
Good

DSL Radiator Reflector Foil 5m x 60cm - 3.6mm Thick Bubble Wrap Insulation Roll - Energy Saving Helps Winter Bills Radiator Foil - Rflection Insulation Roll Heat Deflector for Home Heating Efficiency

Main Highlights

CUT ENERGY COSTS – Save money every winter with DSL radiator reflective foil. The 3.6mm bubble wrap insulation reflects warmth back into the room, reducing wasted energy and keeping heating bills lower while improving radiator efficiency.

ALL-SEASON COMFORT – Enjoy cosy winters and cooler summers with DSL radiator reflector foil. Designed to stop heat loss through walls in cold weather and reduce overheating in warmer months, making your home energy efficient all year round.

QUICK & EASY INSTALLATION – No tools or DIY skills required. Our radiator insulation roll is simple to cut to size and fit behind any radiator. With included adhesive pads, this radiator foil heat deflector makes setup fast, clean and hassle-free.

DURABLE INSULATION MATERIAL – Built to last with 3.6mm thick bubble wrap insulation and aluminium foil, this reflective heat insulation roll delivers long-term performance. Eco-conscious design reflects up to 90% of heat and reduces carbon footprint.

DSL QUALITY PROMISE – At DSL, we focus on creating radiator reflector foil insulation that blends durability, performance, and value. Our customer care ensures you receive reliable products designed to keep your home warmer, efficient, and cost-saving.

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8.2
Good
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10
BLOSTM Foil Insulation Roll 5m x 60cm - Radiator Reflector Panels for Floor, Ceiling, Roof, Wall Insulation - 3-in-1 Reflective Foil Insulation Roll - Heat & Vapour Barrier Saves Energy
8.1
Good

Save Β£6

BLOSTM Foil Insulation Roll 5m x 60cm - Radiator Reflector Panels for Floor, Ceiling, Roof, Wall Insulation - 3-in-1 Reflective Foil Insulation Roll - Heat & Vapour Barrier Saves Energy

Main Highlights

ENERGY EFFICIENT - This foil bubble wrap insulation reflects 97% of the heat back into your room. There is less energy needed to heat your home with radiator reflector panels; so you can turn the temperature down. Helping reduce your carbon footprint with the BLOSTM Radiator Reflective Foil.

EASY TO INSTALL - Quickly install our lightweight radiator reflector foil, tailored to fit any space with easy cutting. It is discreet and does not ruin the appearance of your home. Minimal maintenance, just occasional dusting, saves you money. Ideal for various applications like water heaters, windows, RVs, greenhouses, attics, garages, floor insulation, roof insulation for buildings, and even pet hutch insulation! (PLEASE NOTE: Adhesive pads NOT included with this insulation roll).

HIGH-QUALITY PRODUCT - Our bubble foil insulation, featuring laminated aluminium with anti-oxidation coating, is versatile for year-round use on windows or as a radiator heat reflector to cut energy costs. Resilient against moisture, tears, and punctures, it stays stable in high humidity. Trust its enduring performance; water and mould resistance make it suitable for damp areas.

SAFE TO USE - Our thermal wrap insulation roll meets top standards, ensuring safe winter warmth. Providing a 3-in-1 solution - thermal insulation, radiant heat barrier, and vapour barrier. Versatile for indoor or outdoor use, this heat insulation shield effectively weatherproofs various spaces, including barns, concrete floors, and wine cellars.

SAVES YOU MONEY - By using the radiator foil reflector roll to reflect the heat back into the room your home stays warm for longer allowing you to reduce your heating bills. It is great energy saving value for money especially with all the money you can save from wasted heat. (Dimensions: 0.6m x 5m. Thickness: 2.4mm)

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8.1
Good
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