Forums

Forums
Members
Judith
Activity
 
Notifications
Clear all
Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Jul 15, 2025
Profile Activity
Topics: 2 / Replies: 366
AllTopicsReplies
Reply
RE: The Definitive Guide to Weather Compensation and Curves for Air Source Heat Pumps

an update now the weather is much colder and we lost the concept of solar gain months back. We gradually had to increase the curve to 0.65 to compensa...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Moving to single zone

@johnnyb that’s very interesting to read!

6 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Best control strategies for heat pumps that are way oversized

On this forum with advanced monitoring available a Mitsubishi user whose pump was oversized recommended the cloud based auto-adaptation function to im...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Best control strategies for heat pumps that are way oversized

I agreed with your approach on the other thread and so pulling out the general case is a better way of capturing it.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Best control strategies for heat pumps that are way oversized

I feel the best first question after establishing that a heat pump is over-sized (even massively so say 3x) is does that affect efficiency? John Can...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Hitachi Yutaki M efficient operation

it’s much more efficient to run a heat pump continuously but for everyone in the end it’s about money. So if you were able to run only on the cosy che...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Hitachi Yutaki M efficient operation

@iraknic have you established that you can hear your system? Ours is very much quieter than the old gas fired boiler, no radiator creaking for example...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat loss calculators and spread sheets

@sicky I can’t separate out the garage EWI easily since it was part of a bigger job. The insulation was 70mm which is about what you need for building...

7 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Runing ASHP efficiently, general thought process. (Low and slow)

@boycey The only added wrinkle for your flat is that 5kW is a lot for a 2bed flat so your pump perhaps could be on for less time. UFH often has a “lon...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat loss calculators and spread sheets

@sicky our garage was made into a warm room using external insulation and its usual to use a system, primer, glue, fixings, board, render. Ours happen...

7 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Perhaps you should sort out /have someone else sort out your system and then you’ll will know what matters. I know several posters here have told you ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: non-Mitsubishi owners - how much control do you have over your ASHP "freeze stat" function?

I spotted our value ages ago buried deep in a document/menu but now can’t re-find it! It will be the same 4C as JamesPa’s value, assuming it’s the d...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 14 / 31
Share:

Join Us!

RHH Awards

👉 Vote for “Heat Pump of the Year”

👉 Vote for “Best Manufacturer Customer Support”

👉 Nominate “Heat Pump Installation of Year”, “Best New Tech or Innovation” or “Turkey of the Year” here!

Latest Posts

Members Online