Heat Pump Secrets They Don't Want You to Know

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Roger Joins Jeremy Vine on BBC Radio 2 to Discuss Air Source Heat Pumps

Roger Joins Jeremy Vine on BBC Radio 2 to Discuss Air Source Heat Pumps

Heat pump manufacturers installation instruction manuals

🔗 Daikin: https://bit.ly/3FeTwVB

🔗 AeroMax: https://bit.ly/3K7p17U

🔗 Grant: https://bit.ly/3rdQpbo

USING AN AIR SOURCE HEAT PUMP FOR HEATING

Heat pumps work best when there’s less of a difference between the inside and outside temperatures. In much the same way that your fridge has to work harder in hot weather.

This makes them a good match for underfloor heating systems. Floors cover a much bigger area than radiators so they don’t need to get as hot to provide the same amount of heat.

Air source heat pumps also have a lower output than a gas or oil-fired boiler. This means they can’t deliver heat as quickly. Instead, they’re best used to heat your home up slowly over a longer period.

AIR SOURCE HEAT PUMP AND RADIATORS

If you have radiators in your home, and you’re switching from a gas-fired heating system to an air source heat pump, you’ll probably need to buy some bigger radiators to keep your house toasty.

USING AN AIR SOURCE HEAT PUMP FOR HOT WATER

Heat pumps can also be a great source of hot water – but the water will be cooler than from a boiler. Practically this means that If you’re running a bath, you’ll need more hot water and less from the cold tap. So you’ll likely need a bigger hot water tank to cover your needs too.

REGULATIONS

A fly in the ointment for some is the need to meet regulations when installing an ASHP. Although the vast majority of people don’t need planning permission, there are a couple of things that must be adhered to in order for the ASHP install to be without issue with the local council.

This includes making sure the installation is at least a metre from the boundary of your home, will be used only for heating, is installed on a suitable surface such as the ground or a flat roof (1 metre from the edge), has a maximum volume of .6 cubic metres.

_______________________________
David Hayman – New Clean Energy
🔗 https://newcleanenergy.co.uk

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#AirSourceHeatPumps #HeatPumps #Renewables

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Comments

John Brewer says:

As long as 12 years ago the daily mail reported that local authorities were ripping these air source installations out from whole estates.

Uncle Bob says:

You should have stated that you were talking about air source and not ground source. Even on the title of this video you haven't done that either

Mike TURNER says:

Just noticed the Aerona on the video, it’s had more model changes than Hugh Hefner.

Mike TURNER says:

Mice get in through the outlet on the bottom case when the condense starter elbow should be installed, because they tell you to leave it off🤦‍♂️

Martin Vaci says:

That was exactly my considerations in instaling GSHP I Ground Source Heat Pump.
– I have full electric panel heaters in house ( then converting from power hungry electricity to Electric power heat pump is GO as I save electricity
– I had chosen GSHP because I have little space around the house and can install, countriside a lot of mouses and a lot of wild life birds / pine martens and such, in addition I live in quite damp area with high humidity and rain ( it would excesively frost coils, mean a excesive defrost mean more electricity)
– I also installign full house ventilation a air recovery system then I adding to my system Air preheat ( mean I would be heating air for my house )
– In addition we had experienced a lot of summer days where many houses turning to saunas ( I have option run pasive cooling, this is basically a circulator a 40W pump can provide cooling for my house as wel in summer.

There anoter options with can be exploited with GSHP in combination to solar panels ( this can be thermo solars to assist with heating water and excess I can return to ground with would work as massive storage heater) – but this is something in future to even more optimalise my energy use and efficiency
The oly issue between ASHP vs GSHP is the cost of installation GSHP is around 2.5 to 3x the cost of ASHP but eficiency ( with properly sized ground loops) is estraordinary include life expectancy, also vitually invisible stuff

Radu Cristian Dumitrescu says:

THIS IS VIRAL AND BECAME CONTROVERSIAL FOR YOUR STATEMENT:

https://youtu.be/fFO8LSfaQ6U?t=311

AJ says:

Don't worry Roger keep going on, this isn't over yet, wait until the new Electric Tariffs hit, going to cost a fortune to run, and charge your EV at home, houses will soon have 3 phase power supplies fitted to keep up the demand. This will all come full circle at some point, the grid just cannot cope with the increase in demand, their trying hard not burn gas to generate power, but on a dark night with no wind, your stuffed.

John Germany says:

It doesn’t have to be one or the other particularly in environments with very cold winters. I have a hybrid system so that the heat pump operates down to about 30 degrees F. Below that my gas furnace will turn on so that I don’t operate the electric emergency heat coils that heat pumps typically use.
Also I have solar panels and batteries, so I am not creating an extra electric demand on the grid.

peterjgreaves says:

Tick on the corrosion caused by salt, however you would expect the ASHP to be suitable protected.
Do you feel ASHP operating at 35c are viable if they use a heater battery to top up the heating when its cold and for hot water e.g. you would have two heat supplies to the buffer vessel. You would run the ASHP all the time and use the heater battery something like SUNAMP as the top up. Since PCMs are pretty much instant you can get the immediate heat you want on a cold morning. In regards to radiators what about new rads with heat plate exchangers to lift the temperature from 35c to 55c in the rad? something like Dimplex ones? This means you can keep your existing radiator dimensions and just replace the units. In regards to the fabric agree that should come first.

Enemy of the Deep State says:

Heat pumps are so good that the government will give you £5k to have one and they actually defy the laws of supply and demand. Other stuff that is really good and new, like a PS5 for example, you cant get hold of them for love nor money. Also, there are loads of second-hand heat pumps filling up eBay now for next to nothing. This technology is amazing. The planet has been saved.

TheComputec says:

My understanding is that they definitely work really well inside the heads of the people trying to get you to sign up for one!! Its a unicorn solution with big sales commission potential. I'm sure there might be a niche market for them but in no way is this the answer to everyone's heating dilemmas.

If you want green energy and the potential of some payback on your investment over time then solar for power and occasional backup heating, together with evacuated vacuum tube solar heating might prove a better bet. Spend your money more wisely on insulation and draughtproofing.

Niki Cross says:

Hi, Anyone please advice. I have just had a solar system – 6 panels installed. This was 100% free through the LAD Scheme. I want to get a battery installed to save the electric that I could store. I am struggling to find out what works with a Growatt Inverter. Yes this will cost me money, but I think it is worth it. Last evening I had a call from the company who gets the grants from the LAD Scheme and have been offered for free an Air Source Pump heating System. I have a gas combo for central heating and hot water, that unfortunately was disconnecting 5 years ago due to my house being at risk of collapse from a cowboy builder who basically f****d up my house up, ending up in court for 6 years costing me a fortune and he just liquidated and changed name of company and traded the following day under the new name. The cost to replace the works is £250,000.00 which I cannot afford to do. My house has no regularisation certificate, so is unsellable and un mortgageable now. I was served a notice from Gas Safe stating that it had to be turned off as when the house collapses, there will be a Gas explosion – so I have have had No hot water or Central heating for 5 years now. Should I go for the 100% free system they are offering? I currently have a solid fuel Rayburn and a wood stove downstairs which is not enough to heat my house. I have electric oil plug in radiators upstairs. I do not want to end up paying loads for electric if the air system is going to cost a lot to run. I would welcome any advice here please 🙂 Thank you

James Skelton says:

Put it to em POP!

Brian Lopez says:

Better to spend your money on good insulation and cheap second hand electric storage heaters with NO moving parts, NO certification and NO servicing requirements.

Rodney Solomons says:

Heat pumps and insulation two separate subjects.
A property no matter the insulation will take the same amount of heat whatever source, heat pump, oil, gas, electric.
A well insulated property will take less to heat again doesent matter sourse of heat oil gas etc.

arnold paine says:

The nonexistent difference between the energy savings claims of using a heat pump or not is a fact that all climate solutions demand we ignore. If anything, all climate solutions most probably use more, not less, traditionally produced energy. The main demonstration that climate solutions are not valid is that they are all sold by fear.

dan theman says:

A very helpful guide on how to install a heat pump. We have one and it is so quiet that the neighbours don’t know it is there. We have kept a gas boiler as backup but it has not been needed; lowest outside temperature so far -4C

Tracy Warren says:

We currently don't have a proper functional furance. I disconnected our kerosene furnace 5-6 years ago as the burn chamber was cracked. Our primary heat is a woodstove and we have a gas fireplace insert which is sufficient to keep the house warm by itself. The only problem with the insert is that it is slow to heat the house if the thermostat was turned down and if you leave the central part of the house it is much cooler.

I was just starting t o contemplate installing a new furnace or heat pump when I saw one of your videos. Having just gone through a couple of weeks of -23C temperatures I have decided that a heat pump probably is not the route to take.

Unless it was ground source or done in tandem with a solar thermal enclosure.

Thanks f or the info.

Tommy T says:

Reading instruction manuals can be a very dangerous thing to do.
I'm an air-conditioning and refrigeration engineer and while I don't install or particularly care
about this type of system they are basically the same as a split air-conditioning system.

I think you might have a point about burning gas in a power station but then one power station probably
burns gas a lot more efficiently than having millions of poorly maintained domestic boilers?

As for the electric heaters in an outdoor unit, they are just crankcase heaters for the compressor and
only run for a minute or two on cold starts. (They don't heat the air moving over the coil)

I can't remember the last time I changed a fan motor but I'm pretty sure it wasn't because
wind had been spinning it backwards.

I can only remember of one time in twenty years of having a problem with rats chewing through an interconnecting cable
and most of my work is in london where rats are everywhere. (They can be attracted to and chew through any electric cable)

I have never had a problem with rain, never built a shelter and never known of anyone else having to do so.

A defrost cycle takes about a minute and yes in this time your heating will stop running but while I'm not a boiler engineer,
I think most of us know our boilers don't run constantly.
That's why they have pilot lights not to mention you can hear them fire when they actually need to heat the water in a system.

I can't understand why you would need to slowly start the system, opening one circuit at a time.
I install lots of VRV/VRF systems and will often turn 30-40 fan coil units on at the same time from a centralised controller.
They are smart enough to know what's happening in the system and run up accordingly.

When you talk about noise and placing the units I would say you can't just put a gas boiler anywhere you like,
exhaust flues can't be too close to any opening windows or doors and as for noise this shouldn't be a problem
unless you buy some cheap unknown brand from ali express.
The only real time you will have problems is in flats were gaining permission can sometimes be an issue.

Finally the fact you even mentioned bolting the units down is just ridiculous, do gas boilers not
need to be fixed in place?

P.S
Have you ever looked at the instructions that come with any type of medication?
Sometimes I wonder how anyone takes even a paracetamol with the warnings and disclaimers they
like to include.

t

m b says:

A heat pump is just an electric heater which uses extra heat from the environment and puts that in your house. They are just a glorified refrigerator – but they cost an absurd amount of money for some copper tubing and a compressor. Heat pumps have far too many moving parts to be reliable. I think you'd do better in the medium to long term to install solar PV and batteries and simply heat your house with direct electrical heaters. Electrical space heaters are 100% efficient – every kWh of energy being pulled from the wall socket ends up as heat. Save your £15k-£20k heatpump investment and fit triple glazed windows and better insulation.

George Styer says:

Thanks for eyeopeners…We need a few more.. Also after hours of research I still cannot get efficiency figures……….No Einstien maths just input/output x 100. Cant seem to find that anywhere..I wonder why ?

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