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JohnnyB
@johnnyb
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Estimable Member
Joined: Dec 18, 2024
Last seen: Jun 10, 2026
Profile Activity
Topics: 5 / Replies: 109
AllTopicsReplies
Reply
RE: High Temp Heat Pumps for fast warm-up of house

Several years ago we went away for a weekend in the middle of a cold snap and without giving any thought to the heat recovery time I turned the heatin...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heat loss through pumps.

It did cross my mind but I'm trying to ignore that so please don't remind me 🤣 Hopefully the loss will be very small. I will try it once the...

9 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump

That is quite concerning as I have a Samsung Gen 6 in our current house and have just had a Gen7 R290 installed in what will be soon be our new home. ...

9 months ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Solis inverters S6-EH1P: pros and cons and battery options

I leave the zappi in eco+ so it doesn't allow the car to charge and have a boost timer set from 23.30 to 5.30 and the ready by time on Octopus set for...

9 months ago
Forum
Energy Storage
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

With a 'blower door' test. I assume at 50pa as that is the pressure that is always mentioned. I have read that the pressure can be increased to try a...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

The best thing to get the heat from the UFH to the house is concrete screed and tiles. We have 60mm screed and tiles and the floor stays warm for seve...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

Passive house standard is 0.6ACH if I remember correctly so 0.5 is a low figure. I know someone who built to passive standard and was very careful wi...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heat loss through pumps.

Well, I guess I will see how it goes, but it does sound like the pump is a 'nice to have' but needs using a little carefully if it isn't going to cool...

9 months ago
Forum
Domestic Hot Water & Cylinders
Topic
Hot Water Tank Coil
9 months ago
Forum
Domestic Hot Water & Cylinders
Replies: 1
Views: 934
Reply
RE: DHW heat loss through pumps.

@ngillam @marzipan71 Did either of you test out the best way to run your pump to be as efficient as possible? Our heating system is being fitted at t...

9 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: A Smarter Smart Controller from Homely?

My understanding is Homely sets the target flow temperature and switches the heating or DHW on or off. The Samung controller carries on as it was set ...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Is it normal to use power from the grid when running off the battery?

The reason I said the voltages vary slightly is because the Solis inverter has a screen that shows the grid and inverter voltages for each phase, alon...

9 months ago
Forum
Energy Storage
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