| Brand | Build Quality | Energy Efficiency | Price Range | Warranty | 
|---|---|---|---|---|
| Zehnder | Premium | A+ | ££££ | 10 years | 
| Stelrad | Good | A | ££ | 5 years | 
| Bisque | Very Good | A | £££ | 5 years | 
| Quinn | Good | B | ££ | 5 years | 
| Radox | Very Good | A | £££ | 7 years | 
1. How energy efficient are Zehnder radiators?
Zehnder radiators are A+ rated for energy efficiency, offering up to 30% energy savings compared to traditional radiators through advanced heat emission technology and smart controls.
2. What is the warranty period?
Zehnder offers a comprehensive 10-year manufacturer warranty on radiators and 2 years on electronic components.
3. Can Zehnder radiators be integrated with smart home systems?
Yes, Zehnder radiators are compatible with major smart home systems including Google Home, Amazon Alexa, and Apple HomeKit.
4. What sizes are available?
Zehnder radiators come in various sizes ranging from 300mm to 3000mm in width and 200mm to 2500mm in height.
5. How quickly do they heat up?
Zehnder radiators typically reach full temperature within 8-10 minutes thanks to their efficient heat transfer technology.
6. Are they suitable for bathrooms?
Yes, Zehnder offers specific bathroom ranges with IP55 rating for water resistance and additional towel rail options.
7. What colours are available?
Zehnder radiators are available in over 50 colours, including standard RAL colours and special finishes.
8. How much do they cost to run?
Running costs vary by model and usage, but typically range from £30-£60 per year per radiator based on average UK usage.
9. Do they require special installation?
Professional installation is recommended to ensure optimal performance and maintain warranty validity.
10. What is the lifespan of a Zehnder radiator?
With proper maintenance, Zehnder radiators typically last 20-25 years or more.