I've got a Mitsubishi Ecodan 6KW with a 170 litre slimline pre-plumbed unit with an FTC7. 

Forum Handle: Odd_Lion

Manufacturer: Samsung

Model: Samsung Mono R290 12kW

Type: ASHP

Arrangement: Split, low temperature

Area of Country: London

Home Type: Semi-detached

Size: 143 sq m

Insulation Level: Insulated loft and under GF, Solid brick walls, 1896 build.

Heat Loss Calculation: 10.13kW

Type of Controller: 1 thermostat zone for whole house

Type of Control: Weather Compensation plus thermostat

System Type: Radiators throughout house (11 total, mostly triple Stelrads)

Total Output of Heat Emitters:

Buffer Tank or Low Loss Header: NA

Secondary Pumps: No

Solar PV System: Yes, 19 420W panels (13 on roof, 6 on south facing wall)

Power Diverter: No

Battery System: Yes, 16.8kWh Solax battery array

Forum Handle: Odd_Lion

Manufacturer: Samsung

Model: Samsung Mono R290 12kW

Type: ASHP

Arrangement: Split, low temperature

Area of Country: London

Home Type: Semi-detached

Size: 143 sq m

Insulation Level: Insulated loft and under GF, Solid brick walls, 1896 build.

Heat Loss Calculation: 10.13kW

Type of Controller: 1 thermostat zone for whole house

Type of Control: Weather Compensation plus thermostat

System Type: Radiators throughout house (11 total, mostly triple Stelrads)

Total Output of Heat Emitters:

Buffer Tank or Low Loss Header: NA

Secondary Pumps: No

Solar PV System: Yes, 19 420W panels (13 on roof, 6 on south facing wall)

Power Diverter: No

Battery System: Yes, 16.8kWh Solax battery array

My turn, this describes the future installation, only the heat pump and UFH are operational at the moment.

Manufacturer: LG

Model: HM163HF.UB60

Type: ASHP 16kW Monobloc R290

Arrangement: Low temp HP + wood boiler backup

Area of Country: Lyon, France

Home Type: House

Size: Square Metres: 380

Insulation Level: R=5.7 walls, R=7 roof

Heat Loss Calculation: 8-12kW @ Amb. Temp, of: -7C

Type of Controller: Modulating

Type of Control: Weather Compensation, Flow Temperature, Room Temperature

System Type: UFH, Radiant ceilings, Fan coils for cooling

Total Output of Heat Emitters: Way more than necessary. Concrete slabs alone can store at least 30kW and release through the day.

Buffer Tank or Low Loss Header: 1000l tank with instant DHW coil used as Buffer on wood boiler, heat pump will heat it for DHW also. For regular heating, heat pump direct to slabs & radiant ceilings.

Secondary Pumps: 2 most likely

Solar PV System: 12kWp

Power Diverter: Yes for EV charging, soon for heat pump

Battery System: 20kWh

Forum Handle: Alan(alan22)

Manufacturer: Valiant

Model: 7kw

Type: ASHP.

Arrangement: No idea.

Area of Country: Ayrshire Scotland.

Home Type: Cottage. 

Size: Square Metres: 185 square m. 

Insulation Level: 8 heading to 9/10

Heat Loss Calculation: I'd need to go check

Type of Controller: black box on the wall, no idea how it works yet.

Type of Control: Adaptive.

System Type: Radiators. 

Total Output of Heat Emitters: ?

Buffer Tank or Low Loss Header: don't know, it's got a small tank on the wall?

Secondary Pumps: No

Solar PV System: No

Power Diverter: No

Battery System: No

Forum Handle: ispookie666

Manufacturer: Vaillant

Model: 10Kw

Type: ASHP.

Arrangement: Monoblock + single zone + Unistor 250L tank

Area of Country: Cambridgeshire

Home Type: Detached. 

Size: Square Metres: 150. 

Insulation Level: 8

Heat Loss Calculation: 8.07

Type of Controller: Vaillant Sensocomfort

Type of Control: Weather compensation 

System Type: Radiators. 

Total Output of Heat Emitters: 12

Buffer Tank or Low Loss Header: No

Secondary Pumps: No

Solar PV System: 9.2 KWp Enphase micro inverters  and export limit of 10.Kwh

Power Diverter: Yes  (disconnected - iBoost) + EV Charger

Battery System: 8.2KWh * 2 Givenergy AC coupled + 2.4KWh * 2 Renogy - Victron Mulplux 2 GX

Posted by: @davec

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Forum Handle: @davec

Manufacturer: Peak Energy

Model: 11kW V-Therm S-Maxi

Type: ASHP

Arrangement: Monobloc

Area of Country: North West England

Home Type: House, semi-detached

Size: Square Metres: 122m2

Insulation level: loft insulation, some suspended floor insulation, no cavity insulation

Heat Loss Calculation: 7kW @ Amb. Temp, of: -2C

Type of Controller: external EPH Thermostat, each radiator with TRV

Type of Control: Weather Compensation, Flow Temperature, Room Temperature via EPH thermostat

System Type: Radiators

Total Output of Heat Emitters: 11 triple column radiators and 2 towel rail radiators

Buffer Tank or Low Loss Header: BT, I think built in to the water cylinder

Secondary Pumps: No

Solar PV System: SunSynk 3.6kW Inverter with 3.5kWh panels

Power Diverter: Yes solar diverter, but switched off

Battery System: 10kWh house battery

Peak system has now replaced with a Grant Aerona r290 12KW and a Grant quick recovery 210l water tank.

Full Weather Compensation control.

No buffer tank or volumiser.

Manufacturer: appliances direct/superheat

Model: 7Kw

Type: ASHP.

Arrangement: Monoblock + single zone, open loop. No hot water

Area of Country: Schleswig-Holstein, Germany

Home Type: Detached, long bungalow. 

Size: Square Metres: 120. 

Heat Loss Calculation: 6

Type of Controller: supplied with heatpump

Type of Control: Weather compensation 

System Type: Radiators. 

Buffer Tank or Low Loss Header: No

Secondary Pumps: No

DIY installation cost w/o grant: £1400

Ecodan 14Kw R32