I don't need any heating in the summer. How do I turn my Samsung heat pump off?

QuakerQuaker · 2025-06-11T23:24:00Z

Hi - just got ASHP installed, its a Samsung and installed by 21 degrees, replacing combi gas boiler. Feeling slightly alarmed by how technical it seems to be to properly understand and manage HP. Anyway, background and initial questions. For summer months, we wouldn't normally have the heating on at all, zero. The house is plenty warm enough from outside temperatures, solar gain etc. There are only two of us in the house, so hot water use is typically a couple of showers, and a bowl of washing up, plus tiny bits for hand washes etc. I've currently got heating side of HP off, DHW is on, set for 50 degrees, and then reheating when it cools to 40 (these were installer settings). Haven't quite worked out how often it does this, but perhaps once per 24 hours roughly? It feels kind of inefficient to keep a load of water at 40-50 degrees all the time, especially if say we have had morning showers and then hardly need any hot water until 24 hours later. The tank itself is well insulated, and the installer did a pretty good job on the pipework (there is quite a lot because of location), though there are a couple of hot bits i intend to wrap up. Q1 - is maintaining the water at those temperatures all the time sensible? Q2 - we have a cheap overnight tariff (for an EV, which is great) but struggling to work out how best to use that for the HP, because when it needs heated up depends on when it has cooled down. Any tips? Please keep replies reasonably simple - I am not a plumber!

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Air Source Heat Pumps (ASHPs)

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QuakerQuaker

(@quakerquaker)

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Topic starter 16/06/2025 8:49 am

Quick update: have successfully scheduled hot water to start in last hour of cheap overnight electric, and that is working perfectly. Also completed insulation of a few hot spots in tank pipes that I am pleased with - don't want any bit of extra heat in my house this week given the weather.

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JamesPa

(@jamespa)

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16/06/2025 9:37 am

Posted by: @quakerquaker

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Quick update: have successfully scheduled hot water to start in last hour of cheap overnight electric, and that is working perfectly. Also completed insulation of a few hot spots in tank pipes that I am pleased with - don't want any bit of extra heat in my house this week given the weather.

Thats great

Someone else is struggling with this in another thread is there any chance you could post an outline of the steps you went through to get it working, other than setting the timers?

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.

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