Distance from house issue - Samsung 5kW ASHP
I can install a 5kW Samsung heat pump close to the house but the position is a frost hollow. It never gets a sight of the sun and the air it is drawing in is cold. Or I can position the unit about 3 or 4 metres away where it will get the winter sun so the coldest air may be a degree or two warmer.
The question is how much heat will be lost flowing through the 4 metres of pipe between the heat pump and the house? I intend to heavily insulate the pipes, i.e. much more than just the black wrappers.
Frost pockets are never a good idea!
What water flow temperature do you propose at what external air temperature? That us needed for the heat loss calculation.
2kW + Growatt & 4kW +Sunnyboy PV on south-facing roof Solar thermal. 9.5kWh Givenergy battery with AC3. MVHR. Vaillant 7kW ASHP (very pleased with it) open system operating on WC
I will have to guess that it will be 45C in the depths of winter but it is more complicated than just a new install.
I intend to heat part of my house, 60sq meters, which has two ufh rooms and a large radiator, and that's it. The heat loss is about 4.5Kw.
have a look at this if you are worried about the pipe distance 🙂
House-2 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60
Thanks for the video. The important sentence was that external pipework in the insulating tube loses 7watts of heat per linear metre. Making the loss on my pump 28 watts. Not a figure to lose sleep over. Thank you.
The heat loss differs depending on the pipe diameter (and flow temperature, presumably). Here are some of the numbers I could find:
15mm 7.89 W/m
22mm 9.12 W/m
28mm 10.07 W/m
35mm 11.08 W/m
This will be on the flow and return pipes so if it is 4 metres away from the house it would be 8 linear metres - still relatively low.
The advantage being that the unit is in the sun for most of the year (morning sun) so any chance of a bit of extra heat in the air might offset a bit of the heat loss through the pipes. Thanks for your help.
- 22 Forums
- 2,025 Topics
- 44.1 K Posts
- 25 Online
- 3,225 Members
Join Us!
Trusted Installers
Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.
✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available
Latest Posts
-
RE: Solar Power Output – Let’s Compare Generation Figures
I have three CT monitors on my solar output via the mi...
By IanMK13 , 12 minutes ago
-
RE: Performance of Heat Pumps in Mild Weather
Agree with the above. Without knowing what the modulati...
By Old_Scientist , 1 hour ago
-
RE: Who's your electricity provider and what's your tariff?
@agentgeorge Not with Eon Next. The only reson I left O...
By Andris , 3 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I apologise if this has been covered already but have y...
By JamesPa , 4 hours ago
-
RE: How hard and expensive would it be to change panel and add battery?
The difficulty with this discussion is that it's referr...
By Transparent , 4 hours ago
-
@rhh2348 it’s clear you are wanting to run your heat pu...
By SUNandAIR , 4 hours ago
-
Is this normal? Click of the DHW returning to space heating
This has been bugging me for a while and I just wanted ...
By Grantmethestrength , 1 day ago
-
@sandman1600 you need to measure whats going on real...
By davidnolan22 , 2 days ago
-
@brandon-r is this a project that you could assist with...
By Mars , 2 days ago
-
Has anyone installed these on their ASHP fed radiator s...
By Grantmethestrength , 3 days ago
-
Just an update on the responses received by Smart Heati...
By Eliuccio , 3 days ago
-
RE: Is your gut better than Math
By SUNandAIR , 3 days ago
-
RE: Would You Find Value in a Premium Installer-Supported Forum?
We are very pleased to announce that Brendon Uys (@heac...
By Mars , 3 days ago
-
RE: Ecodan 11.2kw Wireless thermostat drop outs
@skyecraig I've had our FTC7 wireless thermostat lose...
By RobS , 4 days ago
-
RE: Signenergy AI Mode - How long does it take to learn a usage pattern?
I am definitely interested in this as I am considering ...
By Grantmethestrength , 4 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Hitachi Yutaki SCombi Heat Pump(Indoor Unit ) RWD-3.0RW...
By trebor12345 , 4 days ago
-
RE: Jokes and fun posts about heat pumps and renewables
ми не граємо в карти
By Transparent , 4 days ago
-
RE: Pressure Drop in primary circuit
Nick from Samsung has called me back . He has sa...
By ohdearism , 4 days ago
-
RE: Vaillant water pressure gauge vs Analogue gauge
@adamk not sure I want to mess with the lockshields I a...
By jeegnesh , 4 days ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
Thanks for your help.
By trebor12345 , 5 days ago
Most Active This Week
# | Name | kWhs |
---|---|---|
1 | JamesPa | 317 |
2 | Mars | 291 |
3 | AdamK | 139 |
4 | SUNandAIR | 135 |
5 | Gary | 131 |
6 | trebor12345 | 131 |
7 | Heatgeek | 131 |
8 | Toodles | 123 |
9 | RobS | 103 |
10 | bontwoody | 103 |