If you’re looking to reduce your energy bills without spending a fortune, you don’t need a full home renovation or a smart meter overhaul. Sometimes, the most effective upgrades are the simplest — and the cheapest.
This guide reveals 10 energy saving gadgets UK households are quietly using to cut heating costs, reduce electricity waste, and make their homes more efficient all year round. Each one costs under £30, works behind the scenes, and delivers real savings without changing your lifestyle.
Whether you rent or own, live in a flat or a family home, these low-cost solutions are perfect for anyone who wants to save money and stay comfortable — from winter warmth to summer efficiency.
Top Energy Saving Gadgets Below
🧠 1. TP-Link Smart Thermostat Kit
✅ TP-Link Thermostat KIT with KE100 & H100 Hub
Smart thermostats are no longer a luxury — they’re a practical way to control your heating, avoid waste, and tailor warmth to your routine. This TP-Link kit lets you set schedules, adjust temperatures remotely, and heat only the rooms you use.
Why it’s an energy saving gadget UK homes love:
- Prevents heating empty rooms
- Supports zonal control and smart scheduling
- Helps cut heating bills by up to 30%
🔥 2. Radiator Reflective Foil
✅ Thermal Heating Insulation Roll (5m)
Radiators on external walls lose heat fast — but this foil reflects warmth back into the room, improving efficiency and helping you feel the benefit quicker.
Benefits:
- Reduces heat loss through walls
- Helps rooms warm up faster
- Ideal for older homes and cold bedrooms
Why it’s a smart home upgrade: It’s invisible once installed, lasts for years, and costs less than a takeaway.
🛏️ 3. Silentnight Self Heating Mattress Topper
✅ Silentnight Self Heating Double Mattress Topper
This clever topper uses heat-reflecting layers to trap body warmth — no electricity needed. It adds 7.5 tog comfort and helps you stay warm without heating the whole room.
Why it’s a top energy saving gadget UK families swear by:
- Supports zonal heating
- Reduces overnight boiler use
- Perfect for cold sleepers and budget-conscious households
🔌 4. TP-Link Tapo Smart Plug (4-Pack)
✅ Tapo P100 Smart Plug – Automated Scheduling
Standby drain is one of the sneakiest energy wasters. These smart plugs let you schedule appliances, monitor usage, and cut waste with a few taps on your phone.
Why it’s a must-have for smart homes:
- Prevents devices from running overnight
- Cuts phantom power draw
- Helps automate energy-saving habits
🚽 5. Hippo the Water Saver
✅ Hippo Toilet Cistern Water Saver – 2 Pack
Toilets use more water than you think — especially older models. The Hippo bag sits in your cistern and displaces water, reducing the volume used with every flush.
Why it’s a genius low-cost solution:
- Saves up to 3 litres per flush
- Ideal for metered homes
- Works silently and lasts for years
🏠 6. Chimney Balloon Draught Excluder
✅ Chimney Balloon – Medium Size
Unused fireplaces are a major source of heat loss. This inflatable balloon seals the chimney and stops draughts instantly — perfect for period properties and older homes.
Why it’s an energy saving gadget UK homeowners love:
- Blocks cold air from entering
- Prevents heat escaping up the flue
- Helps maintain room temperature
👕 7. Heated Clothes Airer Cover
✅ Beldray Heated Clothes Airer with Thermal Drying Tent
Heated airers are great — but without a cover, they lose heat fast. This thermal tent traps warmth, speeds up drying, and reduces electricity use.
Why it’s a smart laundry upgrade:
- Cuts drying time
- Reduces energy use
- Prevents damp and mould buildup
💡 8. LED Motion Sensor Night Lights
✅ LOHAS LED Movement Lights – 3 Pack
These compact lights only turn on when needed — perfect for hallways, bathrooms, and kids’ rooms. No more lights left on overnight or fumbling for switches.
Why it’s a smart energy saving gadget UK families love:
- Reduces unnecessary lighting
- Uses minimal power
- Adds safety and convenience
🌀 9. Ecozone Tumble Dryer Balls
✅ Ecozone Dryer Balls – Fragrance-Free
These reusable balls lift and separate laundry, improving airflow and reducing drying time. They also soften clothes naturally — no need for chemical softeners.
Why it’s a clever eco-friendly upgrade:
- Speeds up drying
- Cuts tumble dryer energy use
- Reduces wear on clothes
⏲️ 10. HBN Mechanical Energy Timer Plug
✅ HBN Compact Mechanical Timer Switch
This plug lets you set appliances to run only when needed — ideal for slow cookers, dehumidifiers, heated blankets, or even Christmas lights.
Why it’s a timeless energy saving gadget UK households rely on:
- Prevents overuse
- Automates energy-saving routines
- Works without Wi-Fi or apps
🤖 Clean Floors, No Effort — See the Best Budget Robot Vacuums
Want spotless floors without lifting a finger? Our roundup of the best budget robot vacuum cleaners features smart, affordable models that handle crumbs, pet hair, and daily mess with ease — perfect for busy UK households.
📺 Big Screen, Small Price — Explore the Best 50-Inch Smart TVs
Looking for a cinematic upgrade that won’t break the bank? Discover the best 50-inch smart TVs with crisp visuals, streaming apps, and energy-efficient performance — ideal for family movie nights or gaming setups.
🧾 Final Thoughts: Small Gadgets, Big Wins
You don’t need a renovation budget to slash your bills — just a few smart upgrades and a willingness to start small. These energy saving gadgets UK households are embracing in 2025 prove that low-cost solutions can deliver high-impact results.
Whether it’s reflecting heat, cutting water use, or stopping standby drain, each gadget works quietly in the background to help your home run more efficiently. And because they’re affordable, you can start with one or two and build from there.
Where to begin?
- For overnight warmth, the ✅ Silentnight Self Heating Mattress Topper is a brilliant first step.
- To automate savings, the ✅ TP-Link Smart Plug is a game-changer.
- And for heat retention, the ✅ Radiator Foil Roll delivers instant results.
The bottom line: These gadgets don’t just save energy — they make your home smarter, warmer, and more cost-effective. Start small, stay consistent, and let these tools quietly slash your bills all year long.
Explore more energy-efficient devices and budget-friendly upgrades in our Everyday Tech Savings Hub UK from smart gadgets to larger home tech that cuts costs without compromise.