TSG Building Services TSG) has won a £9 million contract to install Ecodan air source heat pumps in more than 800 homes in Oxfordshire.<br> <br> The heat pumps have been chosen to replace the electric storage heaters currently in use to offer residents more affordable heating and hot water.<br> <br> The contract has been awarded by Cottsway Housing Association, the largest local registered provider in the West Oxfordshire district.<br> <br> The project is set to run over a four year period and each installation will take approximately five days to complete. TSG has begun site surveys to check the dwellings are properly insulated before installation work is carried out, helping to ensure that the Ecodans will perform at maximum efficiency.<br> <br> Once installation is complete tenants will be shown how to operate the system and given an information pack. Should they require further assistance once the installers have left the site, an advisor will visit the property to assist.<br> <br>