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Opus Calypso Opus Calypso boiler stove Opus Calypso Grey Opus Calypso Grey Opus Calypso Rear Cutout

Opus Calypso

A beautifully designed stove that fills the room with firelight and warmth at the same time as heating your domestic hot water and radiators.

Here we have the perfect stove to either provide all the heating and hot water needs of a low energy or passiv house or to simply reduce your gas and electricity bills by being linked in with your existing boiler. Every time it is lit in the evening and at weekends it will take over from the gas boiler and, while you enjoy the flames and warmth in the living room, it will be heating the rest of the house and giving you hot water. 

At an efficiency of 83.9%, this is an exceptionally well designed stove that ensures you will get the most from every log you put into it. Having primary, secondary and tertiary combustion means that it burns extremely cleanly with a flame pattern that is second to none and it has a tested heat spread of between 5 and 11 kilowatt. So clean is the burn that it even has a DEFRA Exemption that allows it to burn wood in smokeless zones.

Installing an Opus Calypso is made particularly straightforward by the fact that it comes pre-plumbed. Take off the back panel and all the pipework, overheat safety valve, manual air vent and pressure relief valve are already in place. All the installer has to do is connect a load unit and link it in with the central heating using a system zone manifold. And since a Calypso is equally at home on an open vented or pressurised system there’s not even a need to use heat exchangers.

With the trademark Opus good looks and excellent finish and with a choice of grey or black, the Calypso becomes the focus of any room that it's in but don’t be fooled by the good looks, this is a hard working boiler stove that will quickly bring your gas or oil bills down.

  • Height1166mm
  • Width565mm
  • Depth462mm
  • Weight172kg
  • Flue Diameter150mm
  • FuelWood Burning
  • Nominal Heat Output8.3kW
  • Efficiency83.9%
  • Ecodesign CompliantYes
  • Energy Efficiency ClassA
  • AirwashYes
  • Warranty5
  • Nominal Output to Water4.9kW
  • Nominal Output to Room3.4kW
  • Max Log Length330mm
  • Back of Stove to Centre of Top Flue196mm
  • Flue OutletTop
  • Direct Air SupplyYes
  • Defra ExemptYes
  • Can Have 12mm HearthYes
  • Distance to Combustibles Materials Sides200mm
  • Distance to Combustibles Materials Rear150mm
Model Defra ExemptEfficiencyPrice
Opus CalypsoYes83.9% 
Opus Calypso in GreyNo83.9%£3,485.00 inc. VAT
Opus Calypso SE in GreyYes83.9%£3,570.00 inc. VAT
Opus Calypso SE StoveYes83.9%£3,570.00 inc. VAT
delivery areasInside of the orange area on the map (England, the Scots and Welsh border country, and excluding Greater London), the Opus Calypso is eligible for delivery included in price. For more information about deliveries, visit our delivery information page.

Get in touch

You can contact us by phone: 

  • Mainline: 0800 246 1250
  • Susi: 01803 712 316
  • Christine: 01308 458938
  • For boiler stove enquiries only please call Scott: 01803 714 474

You can use our enquiry system to send us a message through the website.

Or you can email us via info@stovesonline.co.uk

Start a Flue Design

You can use our Flue Design Service to have your chimney system designed by our experts, it's all included when you choose to work with us.


Get in touch with the team and they will provide you with up to the minute stock and delivery information for this stove.

Contact us by phone on 0800 246 1250 click the link to send us a message