Public Buildings

Pressure on the public purse means public buildings are required to demonstrate thorough due diligence and value for money – from fire stations, to libraries, to schools, and council depots, Kensa is well versed in delivering exceptional value for money ground source heat pump installations, including delivering zero cost infrastructure projects.

Ground Source Review: Northumberland Fire & Rescue Service: Northumberland Fire Station

Approach

If your commercial premises has a high heat demand exceeding 75kW, the largest capacity capable of a single unit manufactured by Kensa Heat Pumps, an effective solution is to link a series of Kensa ground source heat pumps in a modular cascaded system.

Ideal for buildings with a required flow of up to 50°C, any high heat load can be matched with a cascaded system, as the central ground array is sized to deal with the peak heat demand.

System Architecture

Linking modular ground source heat pumps together in a ‘cascaded system’ fed by a central ground array can meet all of your heating and hot water needs, provide active cooling, whilst flexing between periods of minimum and maximum heat demand, for an ultra-efficient, robust and reliable system.

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Products

Twin Compact Series

  • Designed for large domestic and small to medium-sized commercial applications;
  • Available from 12 to 30kW single, plus three phase options.
Learn more at kensaheatpumps.com

Plant Room Series

  • Ideal for large scale commercial premises;
  • Available from 25 to 75kW.
Learn more at kensaheatpumps.com

Subsidies

Renewable Heat Incentive (RHI)

Commercial applications featuring ground source heat pumps are eligible for 20 years of guaranteed quarterly payments via the Non Domestic RHI based on metered heat consumption.

Learn more at kensaheatpumps.com

Typical Project Costs

Financial illustration

Based on a single commercial building with 75kW peak heat load and 102,500 kWh annual space heating demand utilising Kensa’s fully funded ground arrays option.

Total Cost of Installation (Paid by Client)£186,859
Kensa Utilities Capital Contribution (RHI-linked)£73,748
Net System Cost of Ground Source Heat Pumps & Cylinders (To the Client)*£113,111
*Avoided costs should be subtracted from this figure. The deduction or counterfactual should include the costs of replacing the existing heating with a boiler.
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Funding

The below outlines Kensa’s funding mechanism for public buildings wishing to utilise Kensa’s fully-funded Shared Ground Loop Arrays:

Kensa Ambient Shared Ground Array Funding Mechanism

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Case Studies

Fire Stations

  • Project partnership with Northumberland County Council
  • Three fire stations
  • Displacing electric heaters
  • Boreholes in fire station forecourts
  • In receipt of the Non-Domestic Renewable Heat Incentive (RHI)
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Stakeford Depot Kensa Commercial Plant Room Ground Source Heat Pump Retrofit Installation

Council Depot & Offices

  • Project partnership with Northumberland County Council
  • 3,000m2 council depot, workshops & offices
  • Displacing ageing gas plantroom and electric night storage heaters
  • Cascaded plantroom system architecture
  • In receipt of the Non-Domestic Renewable Heat Incentive (RHI)
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Warranties

  • 5 year warranty for the heat pump unit.
  • 2 year warranty for the controller and water pumps.
  • 2 year internals warranty.

Extended warranties are available on request.

Media

Find out more about Kensa’s ground source heat pump solutions for public buildings by clicking the links below:

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As a council we are determined to do all we can to reduce our carbon footprint while looking at new ways of generating income.

This innovative technology has already proved successful and is something we are looking to expand in the future.

Councillor Nick Oliver, Cabinet Member for Corporate Services, Northumberland County Council

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