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  1. gmartine

    ASHP - Godsend or the devils spawn?

    https://www.telegraph.co.uk/news/2023/05/12/the-heat-pump-farce-has-finally-been-exposed/?li_source=LI&li_medium=liftigniter-rhr I realise not many have a sub to Telegraph (neither do I) but this is the article in full. As for the statement by BG, I haven't corroborated it but it seems an odd...
  2. alex567

    heat pump and water cylinder installed away from the house, pros/cons

    I'm planning to get an air source heat pump (ASHP) installed and I'm considering my options about the location of the water cylinder as I live in a small house and space is a premium. I was thinking about building a small insulated shed about 20 to 25 metres away from the house to put the...
  3. H

    ASHP worth it or better to upgrade the boiler?

    Not an expert at all here, so please bear with me. We bought a Victorian terraced house early 2 years ago that was maintained quite well, with a heating system consisting of UFH on the bottom floor with its own manifold and each room being a zone. We also have 5 radiators (2 aluminium cast)...
  4. RedMango

    Best heating design for a 1930s semi?

    Hi, been doing lots of research for a house we're about to move into and pulling my hair out on what to fit. The house: 1930s semi, 3 bed, 1 bath (separate shower + Bathtub) its essentially a shell (a rotted falling down shell) šŸ˜‚ the whole house will be on electric only except gas for heating...
  5. thedoomguy6312

    SMART thermostats mixed underfloor radiators for ashp

    Hi all, Would value your input. I have recently replaced a boiler with an airsource heat pump. The heat pump feeds ground floor and 1st floor underfloor circuits as well as radiators on 1st floor and second floor. Rooms with underfloor have thermostats (but they are not smart). The radiators...
  6. D

    NIBE ASHPs - use 40W 24/7 - when off in the summer!

    Helping to audit an electric-only house with ASHps -NIBE kit installed into the new house in 2012. 2 ASHPs outside -each F2015. I put on some monitoring of their electrical usage -each takes 40W night and day 24/7. It's August so they are off 99% of the time: but when off, still use 40W...
  7. M

    Are ASHP prices falling ?

    Hi, Our church is consdering replacing our old gas boilers with modern condensing ones. We would like a hybrid system involving the use of an ASHP. Two of the contractors that have supplied quotes for the work have suggested that we wait for a while on the ASHP as the prices are falling...
  8. P

    NIBE ASHP Alarm 'low pressure warning

    Nibe ASHP alarm code 005 low pressure warning, anyone know the cause?
  9. H

    Unvented cylinder for ASHP

    Hi all. I have an Isoflo CL170 cylinder with good few years life left in it in my system which has performed trouble-free other than the odd new immersion element. I'm getting a new ASHP fitted and the installer is recommending scrapping the Isoflo and replacing it with a Secon Trade Heatpump...
  10. L

    Ashp ee01 Dream error - Lincoln

    I bought a ashp 3 years ago and now it shows ee01. After a power cycle there is no error message and both compressors work for some hours, at some stage one (first) compressor does not restart but the other compressor runs as normal showing ee01. Its a dream 22kw 2 fan system. Can anybody help...
  11. AlexGold

    Looking for info about UFH with ASHP

    Hi all, Looking for some advice. Recently moved into a new house and we've been doing bit and pieces to it, we're now at the point where we're looking at the heating system. There is currently a multi-fuel burner which provides hot water and heat for the radiators, there is also an immersion...
  12. D

    ASHP with back boiler on wood stove, thoughts?

    Interested on thoughts on this (I've also posted on another forum but thought this might be a better place to ask); Long time lurker, have gleamed some great knowledge from this site, finally signed up as I cant find an exact answer to the below. I'm not a heating engineer, but an electrical...
  13. M

    ASHP not compatible with existing CH (cast iron) pipework?

    Hello, We were due to have an air source heat pump installed on a grant scheme on Monday, with radiator size upgrade, but retrofitting using the existing pipework. The calculations have been done to show it's viable etc... However their engineer has just (!!) looked at the photos taken by the...
  14. G

    ASHP radiator pipework requirements?

    I am having an ASHP, radiators and pipework installed to replace storage heaters. How can I check whether the proposed pipework and pump can cope with the heat demand? The installer is proposing a single circuit with 14 radiators with a combined heat demand of around 8kW. I hear heat pumps...
  15. marvoni

    ASHP Installation Qualifications

    I saw in the news the latest craze in the UK is heat pumps for hot water and heating. I wondered if a heat pump installer in the UK needs an F-Gas qualification to do this type of installation in a domestic/commercial environment and to sign it off.
  16. gmartine

    ASHP air condtioning

    After a few restless days and nights I'm seriously thinking about installing some air con...don't know really know much about it but there are some pre-gassed kits about that are tempting pricewise but the iQool gear looks like Chinese cr*p or should I go for a traditional Japanese brand? Any...
  17. U

    Installers with experience of Hybrid Solar Thermal / ASHP and Combi Boiler in Sussex Area

    Hi, I'm looking for someone to help specify, and possible install hybrid system. Initially the bungalow was setup for all low temp (underfloor heating and Fan assist heating rads), but couldn't afford ASHP at the time, so fitted a Vaillant Ecotec Plus 937 Combi as the heat source. Now looking to...
  18. B

    Servicing for Arotherm Vaillant 15KW Air Source Heat Pump (ASHP)

    Moved into a new property around 4 years ago with full 15Kw Vaillant Arotherm ASHP setup, after quite a few initial teething problems seems to run well over last couple of years. Long term just wondering if anyone can advise on servicing (in Berkshire area). Are there any independent specialist...
  19. Hansodeon

    Mitsubishi Ecodan ASHP or NIBE F2040

    We are getting an Air Source Heat Pump installed into our large (2000sq ft) 1970s house which currently has very inefficient electric ceiling heating (!). We are in a village with no gas supply and this will be our only source of heat and hot water. I am dithering between 2 different firms'...
  20. S

    New boiler with option of ASHP later?

    Hello Hoping for a bit of advice on how to upgrade my central heating. I've currently got a conventional LPG boiler which I think must be about 20 years old (aprox age of house) which I'm planning on upgrading when our kitchen is done. Where I get confused is what to replace it with. I would...
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