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Johnmo
@johnmo
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Noble Member
Joined: Jan 25, 2023
Last seen: May 24, 2025
Profile Activity
Topics: 2 / Replies: 543
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Reply
RE: Ducting an air source heat pump

No idea how big a heat pump you need, but this would easy to do, or even cascade 2x.

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is mine bigger than yours? Ambient level of consumption.

We out this afternoon and drawing between 320 and 390W. Basically MVHR, dMEV fan in summer house, sewage plant fan, ASHP standby/pump consumption and...

8 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: ECODAN ASHP General Set-up and efficiency.

Warmer in Scotland today. Curve looks better. Just a matter of trial and error.

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ducting an air source heat pump

Why are you making something easy so difficult, put the ashp outside. It a get a dedicated indoor unit, where you put 2 x 150mm holes through the wa...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN ASHP General Set-up and efficiency.

I would say start adjusting WC at the cold end, but your warm end looks to hot, you need to adjust that to 20 OAT and 25 deg flow temp. Leave the cold...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

You need a lot of energy to heat what I assume is a screed floor. A slug of water will have a little or no effect by the time the heat as dissipated v...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice needed on inefficient Samsung ASHP installation

So a few additional questions. How do you operate the heating system, do you leave on all the time? Do you have on timed program for heating the h...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Cut-off Temperatures: What's Your Setting and is a Your Heating Still On?

This year it been rubbish weather in Scotland, think we missed out on summer, it was too wet to get warm. Last year it was October before the heat wen...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

We went from cooling mode to heat mode the next day, let the heat run for the last week, but I am in NE Scotland and the temps started to drop quite q...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How loud are the sound levels of internal components like water heater, buffer tank, etc. in an air source heat pump set up?

The other alternative for a cylinder is the heat geek mini store cylinder

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to set up Home Assistant for GivEnergy?

I had it and it never seemed to do what it should, I deleted about a year ago and then tried to add it again a couple of months go, just couldn't get ...

8 months ago
Forum
Energy Storage
Reply
RE: Determining correct flow rate?

Think of the floor as a very big radiator. It's cooler because it has a bigger surface area. Output is a combination of dT between room and floor su...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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