As part of the Greenstar range Worcester Bosch has a selection of efficient and eco rated oil fired and LPG boilers. It is often the case that gas is not always available, so Clever Energy Boilers partnering with Worcester Bosch offered a alternative – using the same eco technology providing all the same benefits of ownership and use.

We aim to provide information about boilers we supply and review, which we consider to be the most effective. Listed are the latest boilers from manufacturers. A full list is available.

Worcester Bosch Greenstar Heatslave II

Greenstar Heatslave II is the most popular oil combo boiler in the UK, ideal for a small or medium sized home. The sleek modern design with concealed controls provides excellent heating capability, with a high ErP rating.

  • Eco hot water mode saves energy
  • Suitable for kitchen installation – fits underneath a standard kitchen worktop
  • Works with water heated by green sources such as solar energy and wood fired boilers for increased efficiency.
  • Compatible with a range of optional controls for greater efficiency and comfort
  • Can service the demands of 2 bathrooms
  • Eco hot water mode saves energy

Relax, Clever Energy Boilers are accredited and industry recognised...

What customers say about Clever Energy Boilers

My wife and I would like to thank you all for the competence and excellent work carried out at our home, from the estimate and the fitter who plumbed in the new boiler, to the electrician who made our programmer work with the boiler, an excellent team of manpower seldom seen with so called professionals.

Mr & Mrs Sheen, Doncaster

Thanks Tom for all your patience and time you spent answering all my questions and promptly ringing me back each time and thanks to your office staff always polite and helpful, a big thank you to John and Chris for installing the boiler and all the other jobs, both worked efficiently and cleanly, John was very good explaining everything as he went along. 

Mr Peacock, Holmfirth

I am very happy with the service I received. My new boiler has been installed very quickly and hassle free, I would definitely recommend this service.

Moyra Thomas, Stockport

Rizwan was a very good engineer he was very clean and made the place spotless after he had gone.

Mary Jones, Birmingham

Brilliant service from all the team. Thanks. Our old boiler died and from a very reasonable quote to fitting a new one within a couple days. Excellent advice and workmanship too.

Adrian Charlton, West Yorkshire

My old boiler went kaput, Clever Energy Boilers gave me a great price and fitted my new boiler within 3 days. Very pleased with the work carried out and would not hesitate to recommend to anyone needing a new boiler. A big thank you to both the installation team and the electrical man, both first class.

Mr Herbert, Yorkshire