Last seen: Feb 12, 2025
Here is some actual data we can discuss (link to data): Hypothesis: does reducing the flow rate on a DHW cycle increase the dT, allowing more time f...
I have an NRG Zone and the DHW circuit is taken off one of the "zones". This "zone" has a dedicated circulation pump which I have reduce the speed on....
Lets prove it with a fairly simple test. We do a lot of talking about this stuff in this industry, yet I do not see much empirical evidence... anywher...
I have temp sensors on the flow and return of the DHW circuit. I've reduced the pump speed from 3 to 1 for todays cycle/test (roughly 23L/min to 10L/m...
This is a very valid point, one that could be modelled out quite easily
Here you go: GitHub It works for my Riello NHXM, which should be identical to the Midea M-Thermal, Clivet Edge, Bosch CS2000AWF... Please don't ju...
First of all, let me set the scene for our "average" customer who wants a HP (South Devon): HP's still costs significantly more than a direct replac...
Great point to clarify, thank you for commenting! I'm absolutely not wanting to be associated with being 3x oversized, that is just insane. We're cu...
Hi James, firstly - thank you for contributing to this discussion, it's very much appreciated and quite enjoying the challenging of the ideas/concepts...
Yes, this is what I believe to be the case. The theory has two principles. 1. Ignoring pure weather compensation, instead run the HP in its most o...
Yep, can’t disagree with that. I must admit, I was highly motivated by performance and everything else was an afterthought.
I would like to agree with you, I really would. However, the data (my HP) shows otherwise. Oversizing is not as detrimental as people are led to belie...
Latest Posts
-
@judith good to know… I’ll continue to feed Wattson, an...
By Mars , 1 minute ago
-
RE: Vaillant AroTherm Plus 7kW
@jamespa I have a hydronic baseboard heater in the kitc...
By Scalextrix , 6 hours ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
I think that QR code is to download the app SmartHome o...
By cathodeRay , 12 hours ago
-
RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 15 hours ago
-
RE: Renewables & Heat Pumps in the News
Here’s a little more technical detail/p>
By Judith , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 1 day ago
-
RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 2 days ago
-
RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 2 days ago
-
RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 2 days ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
@editor excellent news, congratulations and well deserv...
By ASHP-BOBBA , 2 days ago
-
RE: Commencing on an ASHP Installation Process
Yes, it's "doable" if everything goes to plan, they arr...
By Old_Scientist , 3 days ago
-
RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 4 days ago
-
RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
By JamesPa , 4 days ago
-
RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 4 days ago
-
RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 4 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having made some enquiries locally I have found a compa...
By Morgan , 4 days ago
