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DREI

@drei

Contributor

Estimable Member

Joined: Aug 18, 2025
Last seen: Apr 20, 2026

Topics: 3 / Replies: 95

AllTopicsReplies

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...

6 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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 ...

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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...

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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...

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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...

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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...

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

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:

6 months ago

Forum

Air Source Heat Pumps (ASHPs)

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 ...

6 months ago

Forum

Air Source Heat Pumps (ASHPs)

Topic

Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

6 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

Replies: 14

RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

OK so from what I see now, the fans look similar to fan units used in data centres on servers, routers, network switches, storage device etc....