Last seen: Mar 11, 2025
@cathoderay I did some maths over my lunchbreak and I think I've got an explanation for why there is a polynomial in the relationship. I think it is...
I also found other forms of the curve that better fit the data when doing my EDA, many of which confused the hell out of me, including the polynomial ...
@cathoderay I've made a few modifications having looked through your posts. First, the problem with applying the "no setback" model to the "yes setb...
So I did a quick model in R on the hourly data, and I found that the setback period used 1% less electricity than the model suggests would have been u...
This is absolutely the right question to ask, and then to follow up - so what should your should your strategy be for raising and lowering the set tem...
You could try increasing the tank target temperature so that, even if it's 3C below and doesn't trigger, it's still hot enough for long enough to supp...
I'm on Intelligent rather than Cosy, but I have automated my heat pump to boost the flow temp by 5C during the cheap period. I don't think it's game c...
It's also 2.4kWh extra heat generated in your home (assuming the circulating pumps are inside the thermal envelope of your home).
If we're getting R-squareds of 0.9 with just the OAT vs energy consumed, then we're probably not going to be able to discern a 5-10% difference in ene...
This was my experience too, and our installers removed the FTC6 and replaced it with an FTC5. Otherwise, I believe, you have to invest in the dedicate...
@jamespa I think it is better to measure energy consumed of course, but then you also need to take into account things like Time of Use tariffs. For e...
There's really no meaningful difference between those two lines at all. People can set their setbacks if they want and not worry about it, or people c...
- 22 Forums
- 2,029 Topics
- 44.2 K Posts
- 59 Online
- 3,235 Members
Join Us!
Trusted Installers
Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.
✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available
Latest Posts
-
RE: Ideal Logic ASHP - change from 55°C to 35°C Heating?
2 x Halo thermostats 1 for CH & 1 for UFH. 2 x Mo...
By Tomdad , 20 minutes ago
-
@rhh2348 have you got graphs to illustrate this, if so ...
By JamesPa , 37 minutes ago
-
RE: Bathroom Radiator replacement
@rob-nezard can you please offer your professional advi...
By Mars , 3 hours ago
-
RE: Performance of Heat Pumps in Mild Weather
@heatgeek The switches to the flow rate were manua...
By RobS , 6 hours ago
-
-
RE: Questions on my Hitachi Yutaki SCombi Heat Pump
OK, thats good and low. With low flow temperatures lik...
By JamesPa , 22 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
@jamespa “They are all equal but, some are more equal t...
By Toodles , 23 hours ago
-
RE: Is it KISS or constant – weather compensation vs. set flow temperature?
@cliffhanger Mine has a 'space heating off' setting! O...
By JamesPa , 1 day ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
Thank you, that helped in my understanding. I believe ...
By trebor12345 , 1 day ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@old_scientist As another example of errors / differenc...
By Toodles , 1 day ago
-
RE: Replacing Worcester oil boiler with an ASHP
Is this something you are thinking of doing? Or has thi...
By Cliff-Arnold , 2 days ago
-
RE: Say hello and introduce yourself
Hi Mars Thanks for inviting me to join the forum, I h...
By Cliff-Arnold , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@agentgeorge Not with Eon Next. The only reson I left O...
By Andris , 2 days ago
-
RE: How hard and expensive would it be to change panel and add battery?
The difficulty with this discussion is that it's referr...
By Transparent , 2 days ago
-
Is this normal? Click of the DHW returning to space heating
This has been bugging me for a while and I just wanted ...
By Grantmethestrength , 3 days ago
-
@sandman1600 you need to measure whats going on real...
By davidnolan22 , 4 days ago
-
@brandon-r is this a project that you could assist with...
By Mars , 4 days ago
-
Has anyone installed these on their ASHP fed radiator s...
By Grantmethestrength , 5 days ago
-
Just an update on the responses received by Smart Heati...
By Eliuccio , 5 days ago
-
RE: Is your gut better than Math
By SUNandAIR , 5 days ago