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ChandyKris
@chandykris
Member
Estimable Member
Joined: Jul 27, 2024
Last seen: Sep 3, 2025
Profile Activity
Topics: 4 / Replies: 85
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RE: Battery sizing - How low can you go!

@bontwoody I am just looking into adding another 6.5 kWh battery to our system. We were on Octopus Cosy after we installed the heat pump towards end o...

4 months ago
Forum
Energy Storage
Reply
RE: Agile: average import cost vs other tariffs?

@toodles That's my idea as well. We don't have a compatible EV charger or the battery, so Go is the main option. But, from my analysis of last year us...

5 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Agile: average import cost vs other tariffs?

Now that the heating season is almost over, have any of you switched from Octopus Cosy tariff to Octopus Go yet? We are using less than 5 kWh for th...

5 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

We tested the away mode for the first time as we were away for five days for a holiday. Interestingly, the temperature dropped to about 18 degrees and...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Just one room not reaching desired temperature

Looks like this issue is now resolved. Aira installed a K3 radiator, with 20% more output, and now the temperature is holding steady around 19.5 degre...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

I would look at it as £9.5K vs £11.5K or £15.5K instead of £2K vs £4K or £8K after excluding the BUS grant. Psychologically, that feels easier to comp...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

February.stats are now in. This was our first full month with an ASHP, so I was really looking forward to the results. To set the context, this Februa...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Starting our heat pump journey in 4 bedroom house (possibly)

@callum_62 That does sound excessive. We are in a slightly older new build, around 12 years old, 4 beds (and a study) and three reception rooms includ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Starting our heat pump journey in 4 bedroom house (possibly)

@njt Same here. We have 6.9 solar and a 6.5 kWh Growatt battery. Since, I switched to cosy after the heat pump install, we fill up the battery thrice ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

@vsmith1 We switched from an EV tariff to cosy tariff after the heat pump installation. We run hot water twice a day during the cheap period, one hour...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

@vsmith1 I too took saw that today. Pretty chuffed with heating CoP of 4.2 and hot water CoP of 3. Especially, when the weather was particularly cold.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Agile: average import cost vs other tariffs?

@broadsman That's a good shout. I can't see the flow data, but can see input power and delivered heat by hour. Also, can track input electricity on th...

7 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
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