Hybrid oil and ashp experiences please

JuddMay · 2022-01-06T08:34:05Z

Hi I’m looking for anyone who has combined these two different heating methods as a seamless, integrated way to heat their property please. How well did that work and did the installer really understand how to undertake that installation to maximise heat efficiency and lower cost? As quick background I have 2 buildings on the one property. The building that I’m looking to install a hybrid solution is a 100 year old stone barn with low insulation levels and a lot of cold bridging...approx 300m2 in floor space. Neither GSHP nor ASHP will do it on their own. The second property is a 6 year old full barn conversion with very high levels of insulation, GSHP and MVHR which work very well...so am very familiar with HP technology Appreciate hybrid experiences please many thanks Judd

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Air Source Heat Pumps (ASHPs)

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JulianC

(@julianc)

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09/01/2022 8:18 pm

@editor Thanks Mars. Wow, that’s expensive. Surely it would be cheaper to run the ASHP at a slightly higher temperature?

Daikin Altherma 3H HT 12kWh ASHP with Mixergy h/w cylinder; 4kW solar PV with Solic 200 electric diverter; Honda e and new Hyundai Ioniq 5 N electric vehicles with Myenergi Zappi mk1 charger

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Mars

(@editor)

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11/01/2022 10:57 am

@julianc, it's very pricey – we're in the process of doing the maths and trying to see how things stack up in terms of costs and CO2 emissions.

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Jeff

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11/01/2022 2:14 pm

Posted by: @editor

@julianc, it's very pricey – we're in the process of doing the maths and trying to see how things stack up in terms of costs and CO2 emissions.

Do you think at some stage will have to improve the insulation/draft proofing and invest some money in your ashp setup where you already know there are issues?

Can't be an easy decision working out where to invest but i assume it should be possible to run your ashp alone more efficiently with further investment? I do feel for your situation.

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