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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 5, 2025
Topics: 17 / Replies: 2674
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RE: Samsung heat pump sizing

This screenshot from the John Cantnor video on cycling shows why it's highly likely that an someone significantly oversized heat pump is less efficien...

2 months ago
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RE: Samsung heat pump sizing

Fair enough. With R290 heat pumps, which seems to be the direction if travel for reasons of gwp, this is possible natively at a cop of >1. We j...

2 months ago
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RE: Heat pump installation and BUS Grant timings

EPC no longer necessary Here is the link to the part of the regulation that previously specified such a requirement and in addition some insulation...

2 months ago
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RE: Samsung heat pump sizing

The regulations also include this paragraph: 4) For the purposes of [the paragraph requiring 100% coverage ] “hot water” means hot water which i...

2 months ago
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RE: Home energy storage & battery register

Whilst the eco arguments for PV and heat pumps and, to a lesser extent EVs, are pretty clear, the eco argument for a battery is much less so, at least...

2 months ago
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RE: Heat pump installation and BUS Grant timings

Bus and eco4 are totally different schemes. There is no EPC rating requirement for bus Eco4 has, I believe, both an EPC requirement and a means t...

2 months ago
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RE: Samsung heat pump sizing

Check the detailed specs. 7kW Vaillant is actually 8kW + at your operating conditions so unlikely to be a better size match than the 8kW Samsung. Th...

2 months ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?

I wish I had the large slab that you have. Unfortunately my floors are either suspended wooden or uninsulated concrete. My house heat capacity i...

2 months ago
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RE: Samsung heat pump sizing

It's interesting that you make this point, suggesting you think (I'm not disagreeing btw) that the gaps between heat pump capacities in the range of a...

2 months ago
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RE: Samsung heat pump sizing

@johnmo well done for looking that up! I don't think I ever managed to find the detailed Samsung specs, but it's been a while since I looked! If th...

2 months ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?

Funny how simpler is often better. I have settled on running my heating 24*7 at same temp no setback, bedrooms slightly cooler than living rooms (by ...

2 months ago
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RE: Samsung heat pump sizing

@johnnyb very much in tune with the thoughts above and would advise against oversizing. The problem may be if you want the BUS grant as that require...

2 months ago
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