[Sticky] Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @jamespa
Manufacturer: Vaillant
Model: Arotherm Plus 7kW
Type: ASHP
Arrangement: Mono
Area of Country: Southern England
Home Type: House
Size: Square Metres: 200
Insulation Level: Scale of 1 to 10 possibly ~7
Heat Loss Calculation: 6.5-16 kW @ -2C, depending on which surveyor did the calculation and what (incorrect) assumptions they made. Measured loss 7kW
Type of Controller: 1 Zone but TRVs in bedrooms
Type of Control: Weather Compensation
System Type: Radiators
Total Output of Heat Emitters: 10 kW
Buffer Tank or Low Loss Header: No
Secondary Pumps: No
Solar PV System: 4kWp
Power Diverter: Yes (but may disable)
Battery System: No
4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.
Samsung 16KW with DHW and Buffer Presently controlled by Danfoss TP5000Si Thermostat
@raiph I would be interested to hear how you are finding Havenwise. Can you see how it's settings are different from how Water law performed before and whether your electricity consumption has dropped since you joined?
Forum Handle: powysperson
Manufacturer: Grant
Model: Aerona 3 13kW
Type: ASHP
Arrangement: ?
Area of Country: Powys
Home Type: House
Size: 4 bed stone detached
Insulation Level: Internal Wall insulation
Heat Loss Calculation: ??
Type of Controller: normal thermostat + radbot trvs
Type of Control: ?
System Type: Radiators
Total Output of Heat Emitters:
Buffer Tank or Low Loss Header:
Secondary Pumps: ?
Solar PV System: Yes
Power Diverter: ?
Battery System: Inverter and battery with the solar Pv
Good idea 🙂
Manufacturer: Midea
Model:10kW R32 Monobloc
Type: ASHP
Arrangement: Bivalent and with a Heat Saviour. Navien combi on the CH side (not via the Heat Saviour) as backup or when it's very cold and heat pump on the primary side of the Heat Saviour with glycol.
Area of Country: Glos
Home Type: House
Size: Square Metres: 200
Insulation Level: 5
Heat Loss Calculation: Mine via Heatpunk is ~12kW at ODT ~-5. I can't remember what the installer's was but it's not relevant.
Type of Controller: Modulating, Thermostats, TRV's etc. Modulating, experimenting with smart TRVs.
Type of Control: Weather Compensation
System Type: Radiators
Total Output of Heat Emitters: Depends on flow temp....
Buffer Tank or Low Loss Header: Heat Saviour - heat exchanger and small volumiser
Secondary Pumps: 1
Solar PV System: Not yet
Power Diverter: Not yet
Battery System: Not yet
Cheers 🙂
Manufacturer: Grant
Model: Aerona3 13kW
Type: ASHP
Arrangement: Mono
Area of Country: West Wales
Home Type: Bungalow
Size: Square Metres: 178
Insulation Level: Scale of 1 to 10 possibly ~7
Heat Loss Calculation: 11.5 kW @ -3C,
Type of Controller: 1 Zone but TRVs on Rads, dumb controls
Type of Control: Weather Compensation
System Type: Radiators
Total Output of Heat Emitters: 14 kW@42.5c
Buffer Tank or Low Loss Header: Yes
Secondary Pumps: No
Solar PV System: 5.2 kWp
Power Diverter: No
Battery System: No (but coming soon)
Regards
Si
Kind Regards
Si
——————————————————————————
Grant Aerona3 13kW
13 x 435w + 13x 480w Solar Panels
Sigenergy 10kW Inverter
16kW Sigenstor battery
Manufacturer: Octopus
Model: Cosy6 5.8kW
Type: ASHP
Arrangement: Mono
Area of Country: West Midlands
Home Type: SemiDetached
Size: Square Metres: 100
Insulation Level: Scale of 1 to 10 possibly ~9
Heat Loss Calculation: 5.3 kW @ -3C,
Type of Controller: Dual Zone, Downstairs UFH open loop, Upstairs Rads with TRVs, CosyPod Controller
Type of Control: Weather Compensation
System Type: UFH and Radiators
Total Output of Heat Emitters: 6kW@40C
Buffer Tank or Low Loss Header: Yes
Secondary Pumps: No
Solar PV System: 5.15 kWp
Power Diverter: No
Battery System: 5kWh Growatt
- 26 Forums
- 2,131 Topics
- 46.8 K Posts
- 14 Online
- 5,655 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: ASHP heat output monitoring
@tim441 Thanks, PM received and appreciated, I can't ev...
By Carlo , 8 hours ago
-
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
I am keen to see how this unfolds and changes the lands...
By ASHP-BOBBA , 9 hours ago
-
RE: Who has a V2G EV installation
General comment on battery care... I guess if ev is on ...
By Tim441 , 13 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist I have never cleaned the mag filter myse...
By Toodles , 13 hours ago
-
@old_scientist like for like comparisons are almost imp...
By Tim441 , 13 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@old_scientist There is an option in the Tesla app that...
By Toodles , 14 hours ago
-
RE: Mitsu Wireless Controller and MelCloud
On the FTC5 I think this requires the dip switch on the...
By Abernyte , 14 hours ago
-
RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 2 days ago
-
RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 3 days ago
-
RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 3 days ago
-
RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 3 days ago
-
RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 4 days ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
By Mars , 4 days ago
-
RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 4 days ago
-
RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 5 days ago
-
RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 7 days ago
-
RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 7 days ago
-
RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 1 week ago
-
RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 week ago
-
RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 week ago