Central Heating - on yet?

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mjr

Comfy armchair to one person & a plank to the next
Was an article in  Pravda the Guardian redently over which was the more efficient for heating, and the techno bods reckoned ASHP are most efficient long term if left running, but [...]
That's true but misleading. Mainly it's just techno bods who care how efficient it is. Most people care more about the cost. And that's why the so-called "spark gap" of more-taxed electricity and less-taxed mains gas really hurts the UK.

It's generally more efficient to shut off an ASHP when sunshine and so on are heating the house enough that the ASHP controller would have to choose between overheating the house or flirting with its minimum output.
 

mjr

Comfy armchair to one person & a plank to the next
Dry Buddy [...] On the negative side, if you overload it, like my partner does, parts of clothing that are touching other parts do not dry,
Oh it's worse than that: those hollow semicircular legs buckle and the top arms crack at the hinge and fall off. Ours is somewhat shorter than it used to be, with fewer arms!

I work from home a lot, and decided to invest in a couple of pairs of lightly insulated trousers
I wonder what you have. Rohan "Stronghold Winter" are not lightly insulated and have to be changed for ordinary trousers pretty soon on entering a heated building!
 

mjr

Comfy armchair to one person & a plank to the next
How would one heat ones water with ASHP turned off?
Solar, but why would you turn the ASHP off instead of leaving it on with a controller deciding what's best?

Edit to add: oh I think I see. The ASHP may shut off, but the domestic hot water is generally heated when it's most efficient (early afternoon where I live) and stored in an insulated tank.
 

Homers Double

Well-Known Member
Ours gets a boost first thing in the morning and sometimes in the evening depending on what room we're in. The open plan kitchen/diner/lounge extension in quite a cold room due to modern insulation and doesn't get much sun, I had the woodburner on in there all last weekend.
 

PeteXXX

Cake or ice cream? The choice is endless ...
Photo Winner
Location
Hamtun
Still in shorts here.. Slightly nippy first thing but it soon warms up enough to not get cold especially once walking the dog or out on the bike.

👍
 

Tenkaykev

Guru
Location
Poole
Our heating went on on 1st October. 21 degrees from 06:00 to 22:00 and 19 degrees from 22:00 until 06:00.
Followed an interesting thread about dehumidifiers ( the compressor type ). A quite technical discussion about the heat released as the water vapour condenses, bottom line was you end up with more heat energy than the electrical energy used to run the dehumidifier.
 

presta

Legendary Member
the idea that anyone would have their gas central heating on 24/7 seems very strange to me
Not really.
I have broken out the heated clothes maiden and dehumidifier
Which compared tumble driers and dehumidifiers for drying laundry, and found that dehumidifiers are 1.7 to 4.5 times more expensive, depending on whether your tumbler is a heat pump or condenser.
 

Tenkaykev

Guru
Location
Poole
Not really.

Which compared tumble driers and dehumidifiers for drying laundry, and found that dehumidifiers are 1.7 to 4.5 times more expensive, depending on whether your tumbler is a heat pump or condenser.

Coincidentally Jonathan Traceys YouTube channel went into the economics of a heat pump tumble dryer vs a condensing one. Several of the people commenting pointed out that he'd used the full price of the heat pump tumble dryer instead of the difference in price between heat pump version and the condenser version.


View: https://www.youtube.com/watch?v=DLowUqwcc1s
 
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