Learning from others – National Trust Packwood House water source heat pump

Stunning gardens...and there is a new heating main running smack through it. Really good detailing work around the restoration

Stunning gardens…and there is a new heating main running smack through it. Really good detailing work around the restoration

Today was a good day. David from Plas Newydd, Paul and I were over at National Trust Packwood House in the Midlands with our colleagues to look at the new lake based heat pump. We were there to see whats what, what went well and what they learnt? Above all trying to nick as much info as possible for the upcoming install at Plas Newydd and also seeing the viability of the approach for a few mansions in Wales. (mansions and nearby lakes are quite common). All in all the project went well but there were lessons in terms of route for the pipes, linking stuff together and on the internal communications and engagement. 120kw heat pump but split into three pumps. One for the base load of the house and the two others for higher temp for the flats around the site. Almost 3 miles of coils sunk into the lake. Simple, whats not to like?

It will be good once they review the overall efficiency of the system and match this against the initial design and business case. But all in all I think we will see a few more of these around the NT

They discivered that the 1930 oil boilers were the oldest gravity fed systems in the NT (and these were still giving a 70% efficiency reading...amazing!) These have been left in situ as part of the heritage. (wonder when we start leaving condensing oil boilers in place just so we remember where we came from?) Bottom left image of the heat pump room. Paul looking like he has just remembered he left the gas on!

They discovered that the 1930 oil boilers were the oldest gravity fed systems in the NT (and these were still giving a 70% efficiency reading…amazing!) These have been left in situ as part of the heritage. (wonder when will we start leaving condensing oil boilers in place just so we remember where we came from?) Bottom left image is of the heat pump-room. Paul looking like he has just remembered he left the gas on!

we also had a nose around the new visitor building being built at the site. 48kw Viessman biomass system being installed as we speak

Packwood-visitor-building

Packwood_WSHP_Interpretation_1.pdf

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