The government has awarded Harrogate Borough Council over £2.4m to cut carbon emissions at the Hydro swimming pool and Harrogate Convention Centre.

The Hydro, which opened in 1999, received £1.8m to replace gas boilers with air source heat pumps, install solar panels on the roof and put in place new energy monitoring and control systems.

A total of £580,000 will be spent on the almost 40-year-old convention centre to convert its lighting to LEDs, install solar panels and heat pumps and introduce variable speed drives to control the fans and pipework insulation.

Air source heat pumps are regarded as an environmentally friendly way to heat buildings. They work by absorbing heat from outside air and pumping it indoors.

The council, which has a goal of being a net-zero carbon economy by 2038, hopes the improvements will cut emissions by 577 tonnes a year at the Hydro and 70 tonnes at the convention centre.

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• Dutch firm awarded £1.1m design contract for Harrogate Convention Centre

The council has awarded a £1.1m contract to Arcadis to design the first phase of a proposed £47 million redevelopment of Harrogate Convention Centre.

Asked how the redevelopment might affect the new funding, a council spokesman said:

The council successfully bid for the funding from the Department for Business, Energy and Industrial Strategy's public sector decarbonisation scheme.

The scheme has so far awarded £932 million to 429 projects in England and Wales.

Harrogate and District NHS Foundation Trust announced in January that it had received £14m from the fund to reduce Harrogate District Hospital's carbon footprint by 25%.

North Yorkshire County Council also received just under £2m to improve carbon efficiency in its buildings.