Forums

Forums
Members
AllyFish
Activity
 
Notifications
Clear all
AllyFish
@allyfish
Contributor
Noble Member
Joined: Oct 31, 2022
Last seen: Nov 5, 2025
Profile Activity
Topics: 23 / Replies: 486
AllTopicsReplies
Reply
RE: Are antifreeze valves essential for a glycol free ASHP system?

Manufacturers recommendation 😉

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are antifreeze valves essential for a glycol free ASHP system?

Anti-freeze valves provide some guarantee of a fail safe if the system is unpowered for a long period and all other forms of frost protection such as ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Making progress each time @crimson, and learning all the while. We never stop learning on these systems so it seems. 😉 You have zone control valves a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

Good points there @mikefl especially the low modulation of the Grant. I very much like that on my 10kW myself. We switch the Grant off overnight, not ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Clanking is probably thermal expansion & contraction of the copper pipe and/or radiator as it warms up/cools down. I doubt this is air in the syst...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

My personal opinion: Samsung. Grant unit is a good workhorse, and my calculations of the capacity it supplies are approximate, but I’ve never observed...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Failings of the Heliotherm business model and its competent partners

@heliohelp I think you've been very unlucky there, both in choice of installer, and choice of heat pump OEM. The Heliotherm looks a quality product, e...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Homely launched for Grant Aerona ASHP control

@ggw no, all gone quiet from Grant lately. I was advised I was getting a Grant smart controller to install for trial, but it's not yet arrived.

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Rate the quality of your heat pump design and installation

😆 😆 😆 Greg Jackson might like it, but not everyone wants a bright purple waste bin on their patio.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Heat rises, a phenomena well known, 'stratification', but strangely not accounted for in multiple storey building heat loss sizing estimates. Actually...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

EDIT: Ian's covered most of this, he's got quicker fingers! But my thoughts as per his.... I think you've got a great understanding @tobyg of the to...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Defrost Cycles - How Common Are They?

This is the crux of it @derek-m. I've just come off a call with my colleagues in Oslo. Right now it is -13degC and 74% RH, somewhat typical winter w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 16 / 43
Share:

Join Us!

Podcast Picks

Latest Posts

Click to access the login or register cheese
x Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
ShieldPRO →