We supply and install the Grant range of A rated oil fired boilers

Grant boilers

Originally established in 1993, Sarnia Gas is the trading name of our dedicated gas division.

We provide a full range of domestic gas services, including boiler replacements, appliance servicing, appliance repairs and Landlord’s Gas safety inspections.

For further information, please visit our Sarnia Gas website

In Guernsey, gas heating is particularly suited to smaller houses and flats.  It has one of the highest running costs of all the fuels but benefits from low installation costs.

We supply and install the Vaillant Ecotec range of high efficiency boilers

Vaillant Ecotec boilers www.sarniagas.com

Currently the cheapest of all the fossil fuels available in Guernsey, Oil fired heating is one of the most popular and economical ways to provide heating and hot water in the island.

There is a vast range of boiler options available, including external floor standing and wall mounted versions.

We have fully trained, OFTEC registered oil installers within our installation team to provide boiler replacements and other oil related installations.

Gas heating

Oil heating

Electric heating

Providing heating and hot water from cheap rate electricity

The Guernsey Electricity “Superheat” tariff is now available 24  hours a day which makes electric heating a very economical option.

We have been providing Guernsey homeowners with efficient heating systems for decades, and we pride ourselves on delivering the right type of system for each individual customer.

We are an independent company, free to advise on the benefits and drawbacks of each type of system.  Oil, gas, electric and renewable systems all have their place in the modern heating world and we ensure that we have the products and expertise to supply and install the system that is right for you.

Our advice is free and without obligation,  so please do not hesitate to contact us to find out more.

Efficient heating solutions

Traditional fuels  >

Guernsey Fuel Cost Comparison 2016 Please contact us for further details





Sarnia Energy Systems Limited is incorporated in Guernsey -  registration number 50952

Sarnia Energy Systems Limited

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