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Heat pump sales rise across Europe

pv-magazine.com

11–20 of 227 posts

Re: Heat pump sales rise across Europe

#11
imagine the President of the US and his "braintrust" accidentally making the world much more green and efficient by forcing a radical reduction in oil dependency

while they purposely end climate-change research including destroying billions in observation satellites by deorbiting them

the history written about this decade is going to be wild, if we survive it

Re: Heat pump sales rise across Europe

#12
post #8

A heat pump could win as the best HVAC technology, though a better drilling for ground-sourced ones. Just a shallow drilling (up to 100m) that works in retrofit mode, such as drilling from the basement, would be a great upgrade: - No outdoor unit that looks awful in many settings - works well, even in the coldest winter, without a spike in electricity usage, COP 5 - very reliable with long durability - super quiet, n…

It's usually so much more expensive than an air source heat pump that makes it completely not worth it.

Re: Heat pump sales rise across Europe

#13
post #8

A heat pump could win as the best HVAC technology, though a better drilling for ground-sourced ones. Just a shallow drilling (up to 100m) that works in retrofit mode, such as drilling from the basement, would be a great upgrade: - No outdoor unit that looks awful in many settings - works well, even in the coldest winter, without a spike in electricity usage, COP 5 - very reliable with long durability - super quiet, n…

Friends in south Sweden and they got a hole drilled in the front yard like it’s the most normal thing. Is it there?

Re: Heat pump sales rise across Europe

#14
post #4

Earlier quoted context omitted.

I am probably simply confused but what’s the proxy measurement?

I assume a product related directly to another product. So when energy prices start to go up, invest in heat pump companies.

Thats what I was guessing but was thrown off because it is a pretty natural nth order effect. Gas prices go up, more efficient cars get sold.

Re: Heat pump sales rise across Europe

#15
post #12
post #8

A heat pump could win as the best HVAC technology, though a better drilling for ground-sourced ones. Just a shallow drilling (up to 100m) that works in retrofit mode, such as drilling from the basement, would be a great upgrade: - No outdoor unit that looks awful in many settings - works well, even in the coldest winter, without a spike in electricity usage, COP 5 - very reliable with long durability - super quiet, n…

It's usually so much more expensive than an air source heat pump that makes it completely not worth it.

Yeah, recently saw some numbers for air-to-air vs air-to-groundwater, and it break even after more than 25 years, with more than twice the initial cost

Re: Heat pump sales rise across Europe

#16
post #15
post #12

Earlier quoted context omitted.

It's usually so much more expensive than an air source heat pump that makes it completely not worth it.

Yeah, recently saw some numbers for air-to-air vs air-to-groundwater, and it break even after more than 25 years, with more than twice the initial cost

What were the figures and where are you?

Re: Heat pump sales rise across Europe

#17
post #8

A heat pump could win as the best HVAC technology, though a better drilling for ground-sourced ones. Just a shallow drilling (up to 100m) that works in retrofit mode, such as drilling from the basement, would be a great upgrade: - No outdoor unit that looks awful in many settings - works well, even in the coldest winter, without a spike in electricity usage, COP 5 - very reliable with long durability - super quiet, n…

Drilling only works if you have access to a garden where to drill. Any kind of apartment has to use the outdoor unit

Re: Heat pump sales rise across Europe

#18
post #11

imagine the President of the US and his "braintrust" accidentally making the world much more green and efficient by forcing a radical reduction in oil dependency while they purposely end climate-change research including destroying billions in observation satellites by deorbiting them the history written about this decade is going to be wild, if we survive it

EU severely reducing its fossil fuel imports from Russia in 2022 cut down natural gas usage by 17% and overall energy consumption by 3%. So yeah, increased price due to scarcity help a lot in shifting around the energy mix.

It's a bit shit that hits poorer people relatively more than richer people. Governments can reduce this impact by subsidizing sustainable alternatives (like heat pumps). It's still leading to inequality (unless you give more subsidy to the poor), but at least overall people will hopefully benefit.

Re: Heat pump sales rise across Europe

#20
post #8

A heat pump could win as the best HVAC technology, though a better drilling for ground-sourced ones. Just a shallow drilling (up to 100m) that works in retrofit mode, such as drilling from the basement, would be a great upgrade: - No outdoor unit that looks awful in many settings - works well, even in the coldest winter, without a spike in electricity usage, COP 5 - very reliable with long durability - super quiet, n…

Ground source heat pump owner here in the US. The original system was installed in 2007, and the loop field was designed to "best knowledge at the time". Well in the 20 years since then, NREL changed guidance on how far apart and how deep loops need to be installed. Rightly so, because our circa-2007 is "short looped", it's not sufficient for the house loads, but there is nothing we do about it other than putting on more expensive pumps, more expensive antifreeze and live with heat pump compressors dying pre-maturely because they are working at their design limits. All this makes it as expensive as traditional system (and if we tried to go net-zero with solar, the amount of solar required (because it runs so inefficiently) is larger than our roof area.

So I'm looking at a backup gas boiler to take load of the heatpump/ground loop (house has radiant heat).

And they are not quiet. 5-Ton water to water compressors are not quiet.

And the control system (HDX) and amount of expertise required to keep the thing running is a major barrier to getting low cost maintenance.

Maybe a 2026-designed system will work better and actually live up to the hype you talk about, but there are decades of poorly designed and discarded ground loop heat pumps that have "poisoned the well" if you will.

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