> Besides that, heat pumps generally have an option to heat additionally electrically or in a hybrid system with natural gas if more heat is needed.

This portion is a heater, not a heat pump. The statement i'm responding to was about heat pumps, not heaters.

Must be some expensive equipment to either contain the pressure or maintain the liquid state. The same with in-home equipment. Honest question: do you know how much investment was made in just the hydrogen portion of the transport? Not the regular truck parts, but the cost of just the hydrogen containment.

Another commenter was talking about retrofitting the gas lines, which would also be a pain.

I just checked his comment history. Where are you seeing that? He only mentions gas once outside of this post and it was two months ago.

Pretty easy to see who the troll here is mr. misinformation. Do you just make up comment histories of people you disagree with to discredit their opinion? Pretty bad faith man.

Just from the title i can see some key words you seem to be glossing over:

>project
>aims to

As in not currently the case.

Heat pumps are generally not good in extreme temperatures either, unless i'm mistaken. If there's practically no warm air outside to draw from they're not going to get much. It's best in well above freezing temperatures. Probably shorts weather in Denmark.

Yeah, but it's a terribly inefficient storage medium when compared to batteries. Works fine, i guess, but you're losing a lot of power and it'd be best to use short term while mass battery manufacturing gets into place and can be leveraged.

Even then, the sunk cost in the infrastructure for hydrogen might not be worth it over more expensive batteries, because then you need far more power generators to make up the power difference alone. This doesn't include retrofitting homes for hydrogen usage over electricity, the infrastructure for which is already in place.

Haha. Ask a legitimate question and get downvoted to oblivion. Reddit combined with pompous euros is incredible. First i'm hearing of per cent too.

The only response to questions is punishment American!

Also, i'm no scientists but i've heard thermodynamics can't just be ignored. How is the temperature going down? All of the heat generating energy can't possibly be reflecting as well as taking some internal heat with it. Wouldn't a warmer temperature outside naturally lead to a warmer temperature inside given enough time?

The get angry because the wine is actually grape juice and smash THE church.

I was just going to go with an inverse log with some modifiers, but guess it has a name.

5-10 years away is the eternal technological promise so they can keep getting funding despite all the 'minor setbacks' and 'delays' from the tech not existing. Reporters are especially bad about vastly underestimating the amount of time it takes to develop tech and make it ready for wide commercial use.