Last seen: Jul 19, 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...
- 26 Forums
- 2,171 Topics
- 47.8 K Posts
- 41 Online
- 5,744 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
By GrahamF , 13 hours ago
-
@cliffhanger - seriously though, I have no idea. What I...
By cathodeRay , 15 hours ago
-
RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 15 hours ago
-
@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 17 hours ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 20 hours ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 23 hours ago
-
RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
By cathodeRay , 23 hours ago
-
@jamespa Ours is a Daikin EDLA03 8 kW and the Delta T =...
By Toodles , 24 hours ago
-
RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 2 days ago
-
RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 2 days ago
-
RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 2 days ago
-
RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 2 days ago
-
Ok. Two schools of thought. The first is to run the ...
By JamesPa , 3 days ago
-
@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 3 days ago
-
Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 3 days ago
-
RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 3 days ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 5 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 5 days ago
-
RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 6 days ago