heat pumps

heat pumps

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  1. Dan

    Ground sourced heat pumps - how they work

    https://www.theguardian.com/technology/ng-interactive/2023/dec/23/heat-pumps-science-visualised?CMP=Share_AndroidApp_Other This guardian article explains it really well with awesome graphics. How many of you guys are into this?
  2. pirate

    Anyone watched the TV documentary tonight about Heat Pumps and electricity supplies in general?

    Seriously just wanting to have a discussion on this huge issue. Clearly, there are not enough competent installers of heat pumps, so we may see some scheme whereby one can get "qualified" in a short time. I have views on this, and I have views on everything the documentary covered, but my...
  3. M

    Heat pumps: where to terminate motorised valves

    Hi, I’m just wondering has anyone on here any experience with a Mitsubishi Ecodan R32 model. I’ve completed all the wiring expect for terminating two motorised valves. I cannot find a manual stating what terminals they go into. Any help is really appreciated. Thanks
  4. Vortigern

    I always thought heat pumps were expensive waste of time

    We have just done a new build and put in a heat pump. 6kw supply. Insulation galore. I don't think it's gonna work.
  5. littlespark

    Air Source Heat Pumps... Questions!

    Listening to the radio the other day, and UK govt has announce no new gas boilers to be sold by 2035 and everyone should go with ASHP... £5k grant to get one..Let me add... only england and wales. We'll stick with peat up here for now. The following questions. Probably easy to answer, but just...
  6. S

    Air Source Heat Pump

    Wiring a new extension and the clients are having Air Source Heating in their house, I'm waiting to see what supply is required for it from the supplier (clients are finding out for me, guessing at 32A) but have seen people suggest using a Type C RCBO (they are already having a new board, full...
  7. Gavin John Hyde

    New DNO notification form for EV and Heat Pumps etc

    There is a new form on the horizon for EV charge points. Some interesting criteria now apply, If you are not sure what the fuse is then you must submit the form in advance of install regardless of max demand. At present if the MD is <60 amps you can notify once installed. Most of mine are done...
  8. W

    Air Source Heat Pumps

    Hi, I install a few heat pumps in a domestic situation from time to time. I have recently started renovating an old 1800s cottage which has no access to mains gas which made me think about putting in an air source heat pump. I was looking at an ecoDan as I've been told they are best on the...
  9. I

    Heat Pumps & Building Regs - New Build

    Hi guys, Does anybody know what the rules are concerning new builds and heating systems. Currently going through planning application for a new build and I have heard that gas central heating systems are no longer allowed by a guy from the council and that we need to have a heat pump system...
  10. B

    DNO application to connect for heat pumps

    You are probably aware of these Forms A, B and C on the MCS site: Microgeneration Certification Scheme - Heat Pumps which we have to complete prior to connecting a heat pump. I want to put the application in early on one of my jobs because it is a largish heat pump and in a village and I want...
  11. The Solar King

    Heat Pumps - Feeling my way

    Just back from a Logic Certification Heat Pump course. Quite informative. Whilst I really like the concept of ground source, its complexity and cost started to do my head in. I would rate the course as OK, but not excellent. Most depressing element was a number of neanderthals on the course who...
  12. B

    Air Source Heat Pumps and RHI

    Evening folks.... We don't install ASHP. So looking for some advice. Does a property need to be a Band D to qualify for RHI in the same way as FITs. I was surveying a property today for a pv system Old stone built 1905 house off mains gas grid. Sent their by their son whom we installed a...
  13. T

    Air source heat pumps

    Hi, has anyone out there had any experience of the performance of air source heat pumps. I am looking to fit one at my place. We are not on mains gas so am looking to find a way to economically heat the house - we currently have LPG. The manufacturers make all kinds of claims for COP but I was...
  14. I

    Heat Pumps and thermal stores

    Looking at increasing the portfolio of technologies that we can do and been looking at Air Source Heat Pumps. On the face of it in the right situation these Air to water pumps seem to really have a lot going for them. When RHI kicks in even better. But I am getting a lot of conflicting...
  15. R

    MCS for Heat Pumps

    Evening all. This may be of a strange request but we are a south yorkshire based MCS registered company installing PV systems but are looking at adding air source heat pumps to our company. As you will all know in order to become MCS registered you need a job under your belt to be assesed on...
  16. R

    MCS for Heat Pumps

    Evening all. This may be of a strange request but we are a MCS registered company installing PV systems but are looking at adding heat pumps to our company. As you will all know in order to become MCS registered you need a job under your belt to be assesed on, basically i'm trying to find...
  17. T

    Installing Air Source Heat Pumps

    Hi, this is my first post. I am an apprentice wiring up a hot water cylinder cupboard(i think someone qualified will check it later!) I have a 10 core cable coming from the roof for the ASHP and have fed it into the junction box, along with cables for the time switch, 3 way valve, pump...
  18. L

    PooL Heat pumps: Single or 3 phase?

    I'm shopping for a pool heat pump. It seems reviews suggest that single phase pumps should not be rated above 10KW output for fear of shorting out[yet they sell them up to 31KW models?]. 3 phase models seem safer, yet their installation is more expensive since you need a 1 to 3 phase converter...
  19. lurch

    air source heat pumps

    Hi all Been a while since I have posted, so here goes. I hace a Ecodan Air source heat pump to wire up. I have had no experience with these until now. However, although the wiring diagram is fairly stright forward, it does not accomadate the danfoss wiring centre for the underfloor heating...

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