Renewable Heating Hub Forums

Notifications

Clear all

rob_cirrus_energy

@rob_cirrus_energy

Member

Eminent Member

Joined: Jan 11, 2025
Last seen: Feb 21, 2025

Topics: 0 / Replies: 11

AllTopicsReplies

RE: Ecodan consuming 100kwh per day in new build!!!

Hi Anca1808, Welcome to the forum. First off, please try not to panic. We just need to do some problem solving. 1. Where are you ...

8 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Octopus design temperatures confusion

Hi AndrewJ, There's several design principles which vary from designer to designer. The ones Octopus have designed to are generally considered t...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: New Mitsubishi system, several concerns but just a newbie…..

Hi Carpenterstation, Welcome to the forum. 17kW Heat loss on a 450sqm property is definitely on the lower side, that's a peak heat load of just ov...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: 4 port buffer tank connections

Hello, Buffer tanks have several functions which determines whether or not they are necessary in an installation. 1. Hydraulic separation for ...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Roughly confirming ASHP sizing using existing heat data

Hi James, The actual values used for MCS are the room design temperature, the insulative values (u-values) for the property as well as the unique m...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump quotes: Advice needed

@bontwoody Good spot there, yes you are absolutely right, my apologies OP. dT should stay consistent but min (crucially max) flow temperature shoul...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump quotes: Advice needed

Hi @chansug, a warm welcome to the forum. A few points if I may on your quotes recieved. 1. The heatlosses are all (relatively similar). You m...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Ecodan 6kW - is it "cycling", or normal operation?

Cycling every 15-30 mins is not ideal for wear and tear on the unit, no, but your efficiency is 'ok' by most standards which is the key impactor of ru...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Totally bewildered with my ECO4 heat pump installation

@jaynieq Hi Jaynieq, All the advice offered by JamesPa is, as per usual, spot on. Unfortunately, ECO4 installations are frequently where we s...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat Everything as commented above is pretty much spot on- the lower the flow temperature the heat pump is being asked to produce, the better the ...

9 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

@abbote Hi there, Well done with all the fault-diagnosing you have done so far and sorry to hear that you have been having such issues with you...

9 months ago

Forum

Grounds Source Heat Pump (GSHPs)