Worcester Heat Slave 20/25.OSO Oil - Boiler Efficiency Ratings
Boiler Efficiency Rating
You can check your boilers rating by selecting it's make and model below. Ratings are based on the SEDBUK Rating which is an indicator of its efficiency when used within an average domestic household, it's a great benchmark for comparing new boilers and also assessing whether your current boiler would be better off being replaced due to low efficiencies.
For new boiler installations call British Gas Boilers on 0800 327 7119 for a no-obligation quote, alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.
Worcester Heat Slave 20/25.OSO Efficiency
|SAP seasonal efficiency||81.6%|
|Model||Heat Slave 20/25.OSO|
|Output (kW)||20 - 25|
|Manufactured From/To||1997 - current|
The Worcester Heat Slave 20/25.OSO is a 'D' rated boiler with an efficiency of 81.6%.
The Heat Slave 20/25.OSO is a Non-Condensing Combi boiler with a maximum power output of 25kw that uses Oil as its fuel source.
Being a 'D' rated boiler it would be worthwhile replacing it with a higher efficiency 'A' rated boiler.
Similar Worcester Boilers to the Heat Slave 20/25.OSO
(Non-Condensing Oil Combi)
Results ordered by efficiency. Some models may be obsolete.
- Worcester Heat Slave 15/19.RSO - 82.8% Efficient
- Worcester Heat Slave 15/19.OSO - 82.8% Efficient
- Worcester Heat Slave 20/25.RSO - 82.8% Efficient
- Worcester Heatslave 26/32-OSO-GB Oil Combi - 82.5% Efficient
- Worcester Heatslave 12/14-OSO-GB-L Oil Combi - 82.5% Efficient
Most Efficient Combi Oil Boilers
- Grant Vortex Outdoor Condensing Combi 36 - 94.2% Efficient
- Grant Vortex Condensing Combi 36 - 94.2% Efficient
- Grant Vortex Outdoor Condensing Combi 26 - 92.2% Efficient
- Grant Vortex Condensing Combi 26 - 92.2% Efficient
- Rhino Savannah RP20/26 Combipac - 92.2% Efficient