Accredited installerCalista Group
Approved Services Offered
Air source heat pumps | Biomass boilers | Ground source heat pumps | Photovoltaics | Solar water heating
Cavity wall insulation | External wall insulation systems | Internal wall insulation (of external walls) systems | Loft or rafter insulation (including loft hatch insulation)
Space heating, cooling and ventilation
Flue gas heat recovery devices | Gas-fired condensing boilers
Heating controls (for wet central heating system and warm air system) | Hot water controls (including timers and temperature control)
The Calista Group brings together a range of renewable energy products and services into one innovative and forward-thinking business.
At the core of the group, is providing an exceptional customer experience and offer insulation, microgeneration and heating solutions to homes and businesses in the South West and South Wales.
We take a whole building approach, which is an integrated way of making sure your entire home or business as energy efficient as possible. We’re driven to help you save money on your energy bills.