Forums

Forums
Renewable Heating
Air Source Heat Pum...
Not a good January?...
 
Notifications
Clear all

Not a good January? My heat pump used 840 KWh of electricity

 
Page 5 / 5
Air Source Heat Pumps (ASHPs)
Last Post by AllyFish 5 months ago
52 Posts
20 Users
12 Reactions
2,784 Views
RSS
MikeFl
 MikeFl
(@mikefl)
Reputable Member Member
Joined: 2 years ago
Posts: 123
07/02/2025 7:55 pm  

Posted by: @potatoman
↑

Hi, this being my first winter with the heat pump, not sure what to expect with running costs. In January the heat pump used 840 KWh The property is a 120 sq meters Detached 4-bed dormer bungalow reasonable well insulated in an open aspect near Liverpool. How does it compare. Also, does anybody have consumption figures for this January and last January, this would give a comparison of how cold it has been.

Replying to the OP:

Jan 2024 = 1034 kWh

Jan 2025 = 1185 kWh

which is around the 15% more I'd expect given the colder weather.

I have a dormer bungalow too, and the upstairs insulation is the issue - through the 'walls' leaking into the eaves, and the doors leading to the eaves storage. It's harder to get to and insulate the 'upstairs' for obvious reasons. Grab a thermal camera and see if you have any cold spots that need sorting out.

 

Grant Aerona 3 10kW


   
ReplyQuote
 Lucia
(@lucia)
Prominent Member Member
Joined: 1 year ago
Posts: 297
10/02/2025 11:00 pm  

Posted by: @potatoman
↑

Hi, this being my first winter with the heat pump, not sure what to expect with running costs. In January the heat pump used 840 KWh The property is a 120 sq meters Detached 4-bed dormer bungalow reasonable well insulated in an open aspect near Liverpool. How does it compare. Also, does anybody have consumption figures for this January and last January, this would give a comparison of how cold it has been.

My first winter with a heat pump too.

3 bed bungalow - 90 sqm (ish) plus cellar, average but patchy insulation, built into a hill & a bit exposed, in the SW.

6kw Daikin monobloc run on pure weather compensation, heating 180ltr tank 50º every other day atm. 

Jan '25  504 kwh 

 

 


   
ReplyQuote
Abernyte
 Abernyte
(@abernyte)
Honorable Member Member
Joined: 3 years ago
Posts: 234
11/02/2025 9:34 am  

180m2  leaky timber frame 4 bedroom house on exposed and elevated north east Scotland. 14kW Ecodan using auto adapt and 300 ltr DHW tank.

Jan 2023  980kW, Jan 2024 1006kW and Jan 2025 903kW

 


   
ReplyQuote
 AllyFish
(@allyfish)
Noble Member Contributor
Joined: 3 years ago
Posts: 490
11/02/2025 12:44 pm  

1600kWh total import in January, all-electric house, around 1200kWh of which will be ASHP heating and hot water. January was about 25% of our annual import of 6500kWh and costing about £250 on Cosy Octopus with most load shifted to low rate times. Hey, it is what it is. It was a cold month, but the house wasn't.


   
ReplyQuote
Page 5 / 5
Forum Jump:
  Previous Topic
Next Topic  
Share:

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

👉 Find your installer now!

Latest Posts