High Temperature Air to Water Heat Pump Solution

P&ID Diagram on AutoCAD

Services: Stage 4 design 

This commercial-scale decarbonisation project aims to eliminate on-site fossil fuels by replacing legacy gas boilers with an all-electric, 1.6MW two-stage cascade heat pump system. To efficiently deliver high-temperature space heating to the building's existing secondary distribution circuits, the engineering design utilises external air source heat pumps working in pairs to feed low-grade heat into a buffer vessel. This is then piped into the internal plant room, where high-temperature water source heat pumps elevate the water temperature to charge a large thermal store.   

Some emitters shall be upgraded including gas-fired heaters which will be replaced with modern, low-temperature hot water fan convectors. The central spill & fill expansion unit and secondary distribution pumps shall also be updated. The existing electrical infrastructure shall be modified to manage the increased electrical load. 

Interested in learning more? 

If you'd like to learn more about this project, request a more detailed case study, or discuss a decarbonisation project, we'd be delighted to hear from you.