Worcester Greenstar Comfort 1 Controller


The Worcester Bosch Greenstar Comfort I is an intelligent wireless programmer that is supplied with a separate room thermostat giving simple 7 day control with load compression for enhanced efficiency.

Category: SKU: WB-Com1


The Worcester Bosch Greenstar Comfort I is an intelligent programmer that plugs into the boiler and is supplied with a separate room thermostat.

The thermostat has a load compensation function, which enables the control and the boiler to have an intelligent conversation, delivering a 3% ErP package efficiency increase when fitted with a gas boiler.

The control simply plugs into the boiler and comes pre-paired with the room thermostat which works using wireless communication reducing disruption as there is no need to hard wire it back to the boiler.


  • Three adjustable heating and hot water time periods
  • Pre-set heating and hot water programme
  • Easy menu navigation
  • Clear back-lit display
  • Control heating and hot water 7 days a week.
  • Increased heating system efficiency
  • Heating can be set from a room thermostat

Price includes installation and reduced rate VAT at 5%.

Additional information


Worcester Bosch


Greenstar Comfort 1 Greenstar Comfort 2 Bosch EasyControl
Efficiency uplift +3% +3% +4%/+5%*
Internet Connected No No Yes
Room Thermostat Yes Yes Yes
Wall Mounted Yes Yes Yes
Boiler Mounted No No No
Weather Compensation No No Yes

*With a minimum of three Smart TRVs, or 4% without Bosch TRVs



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