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Who’s Caved and Switched the Heating On Already?

Mars · 2025-09-09T12:13:08Z

The temperatures have nosedived pretty quickly for us and most of our house has dropped to about 20C and it’s definitely starting to feel a bit on the chilly side. We usually flick the heating on manually in October, but I know a lot of you have systems that tick along all year and just kick in automatically with weather comp. So… who’s given in and turned the heating on already? Whose has come on by itself? And who’s holding out for as long as humanly possible? We’ll be firing ours up soon ahead of schedule because we need to give it a run ahead of a big system overhaul next week (I’ll share more on that soon). That's right, we've finally succumbed to sort out the mess that is our heat pump installation. How about everyone else? Heating on, off or still pretending it’s summer?

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JohnnyB

(@johnnyb)

Estimable Member Member

Joined: 2 years ago

Posts: 114

11/03/2026 11:16 am

Last year I turned it off mid March as Homely was tending to over heat the house. Over the last month Homely hasn't been doing that and the current plan is to leave in on. As others have said the cost is minimal now we have solar and batteries.

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Judith

(@judith)

Prominent Member Member

Joined: 3 years ago

Posts: 548

11/03/2026 1:58 pm

@editor yesterday we used 12kW of electricity for heat, so a cost@15p per kWh of £1.80.

It makes me (and the cat) purr, keeping the house warm. Some of the house heat came from solar gain, and some of the electricity was also from solar. I consider that not exporting at15p, soon to be 12p means it all costs the same. Back in the autumn we flicked a coin and fixed the incoming Cosy tariff for a year. That might be one of our best decisions.

Fuel oil prices are eye-wateringly silly at present.

2kW + Growatt & 4kW +Sunnyboy PV on south-facing roof Solar thermal. 9.5kWh Givenergy battery with AC3. MVHR. Vaillant 7kW ASHP (very pleased with SCOP >4) open system operating on WC

👍

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