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DREI
DREI
@drei
Contributor
Estimable Member
Joined: Aug 18, 2025
Last seen: Nov 7, 2025
Profile Activity
Topics: 2 / Replies: 74
AllTopicsReplies
Reply
RE: Help me keep the faith with my air source heat pump installation

Sorry to ask a silly question, but how to you actually balance your radiators?

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

It would explain the difference between different heat loss assessments, so the person doing it, will most likely be either accurate enough, or overes...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

I wanted to provide an update in regards to the insulation visit today, which may prove relevant to heat loss assessments. He used cameras to look i...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

  That's my main concern too. On top of that, I had someone come over today to check the insulation on this 2004 property. We looked inside the...

1 week ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

    Would you say try and specc each room by around 10% to 20% uplift and if not possible make it up in other areas? With us, the whole ...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

  Yep that's it, but the current design would require either tall vertical 2000 or 2200 mm K2 rads, or larger 900 mm tall K3. I was just wonder...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

  I guess you didn't see my original post and the article 😋 😉. I have a pretty accurate maths formula that can churn out the re...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

    Floor plans with radiator and heat pump locations and the doors stay open, the kitchen doors are kept about half way open, to allo...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Question

These sound the same as the Jaga units @downfield mentioned in another post. If they work then I am definitely tempted, issue is that I have no electr...

2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

I've created a separate post here, wondering about radiator sizing, if anyone is still following this post:

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

On the subject of heat loss. Today I called an Essex based company called Dynamic Insulation, mentioned that I had a heat pump installed and my house ...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
2 weeks ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Replies: 14
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