Best Radiators September 2026
Compare the top-rated radiators to find the ideal model for keeping your living space warm. Our independent ranking highlights key specifications, features, and trade-offs to help you choose with confidence.
Last updated: 1 September 2026
DeLonghi TRRS0920 2000W climbed 2 positions
Mill OIL2000WIFI3 dropped 1 position
DeLonghi TRRS0715 1500W dropped 1 position
DeLonghi TRNS0505M 500W (385x340) dropped 1 position
Electric Heaters & Radiators: Top 5
1
DeLonghi TRRS0920 2000W
from £104.9910 stores
2
from £104.99
10 stores
2
Mill OIL2000WIFI3
from £219.521 store
1
from £219.52
1 store
3
DeLonghi TRRS0715 1500W
from £94.996 stores
1
from £94.99
6 stores
4
DeLonghi HSX 2320 2000W (460x683)
from £56.986 stores
from £56.98
6 stores
5
DeLonghi TRNS0505M 500W (385x340)
from £72.007 stores
1
from £72.00
7 stores
The DeLonghi TRRS0920 delivers strong heating performance with a 2000W output designed for spaces up to 20 m². Its upright floor-standing build provides steady heat for cold rooms during winter months.
Pros
Heats areas up to 20 m²
High 2000W heating capacity
Floor-standing design
Cons
Tall profile at 1,282 mm
Lacks Wi-Fi connectivity
The Mill OIL2000WIFI3 combines 2000W of heating power with smart app controls via built-in Wi-Fi. It warms areas up to 24 m², making it a capable choice for medium to large living spaces.
Pros
Built-in Wi-Fi with app control
Covers rooms up to 24 m²
High 2000W power output
Modern oil-filled design
Cons
Requires app setup for smart features
Floor placement requires open floor space
The DeLonghi TRRS0715 is a 1500W oil-filled radiator suited for rooms up to 15 m². It features built-in frost protection and an exceptionally slim depth for easy placement against walls.
Pros
Slim 39 mm depth
Includes frost protection
Covers rooms up to 15 m²
Cons
Lower 1500W output
No smart app support
The DeLonghi HSX 2320 is a 2000W electric convector radiator designed for floor placement. Its low-profile build and frost protection make it a dependable option for quick supplemental heat.
Pros
Powerful 2000W output
Built-in frost protection
Low-profile 460 mm height
Cons
Wider footprint at 683 mm
Lacks Wi-Fi smart controls
The DeLonghi TRNS0505M is an ultra-compact oil-filled radiator delivering 500W of gentle heat. Its small dimensions make it easy to fit into tight corners and small rooms up to 15 m².
Pros
Very compact size (385x340 mm)
Covers spaces up to 15 m²
Oil-filled heat retention
Cons
Low 500W power output
Takes longer to warm cold areas
Compare specifications
| Heating technology | Convector heater | Convector heater | — | Convector heater | — |
|---|---|---|---|---|---|
| Placement | — | Floor | Floor | Floor | Floor |
| Type | — | Oil-filled radiator | Oil-filled radiator | Electric heater | Oil-filled radiator |
| Power | — | 2000 W | 1500 W | 2000 W | 500 W |
How we create the list
The ranking is updated monthly and is based on data we collect from our own platform. Products that rank highly are popular among our users while also maintaining high quality according to editorial expert assessments. Specifically, we weigh how many users follow the product via price alerts or lists, how it is rated by experts and users, as well as how much traffic it generates to stores and how well it is represented in retail. The texts on this page are AI-generated and created to give you a quick and clear overview. No products are paid placements – the ranking is driven solely by data.
