Heat Pump Performance - Anything to Report?

[raijinmach]

Can someone summarize this thread? How much does the heat pump increase your mileage?

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[Mache_Nor]

Can someone summarize this thread? How much does the heat pump increase your mileage?

The short answer is that nobody seems to know for certain. To test, one would have to have two cars of mostly same configuration and identical weather / road conditions, and then test what effects the heat pump amounts to. On paper a heat pump is in most cases more efficient, but, by how much ultimately is yet to be proven as it depends on a range of factors.

 

[Jimrpa]

Can someone summarize this thread? How much does the heat pump increase your mileage?

I’d recommend looking at all of the quantified claims of improved efficiency that the manufacturer is touting, then drawing your own conclusions.

 

[MrLoganRoss]

I had a 2023GTPE, and now I have a 2025GTPE. While I haven’t exactly focused on it, I certainly haven’t noticed any easily observable change in efficiency.

 

[cooltatts]

Without it my 85% charge was as low as range as 279km (-20°C) and now that the weather has started to warm up (5°C) I’m at 333km. At its peak I have 380km when the weather is warmest (26°C).

The heat pump reduces weather range loss quite a bit. However I’m fine with my range loss because my greater concern is how quickly the cabin heats up with a heat pump instead of my current resistive heat coils.

I’d rather have what I have if the option is to take longer to heat the cabin in the winter. I can’t always keep the car plugged in when I’m trying to warm the interior on cold day outings.

 

[Billyk24]

Without it my 85% charge was as low as range as 279km (-20°C) and now that the weather has started to warm up (5°C) I’m at 333km. At its peak I have 380km when the weather is warmest (26°C).

The heat pump reduces weather range loss quite a bit. However I’m fine with my range loss because my greater concern is how quickly the cabin heats up with a heat pump instead of my current resistive heat coils.

I’d rather have what I have if the option is to take longer to heat the cabin in the winter. I can’t always keep the car plugged in when I’m trying to warm the interior on cold day outings.

Heat pump reduces weather range loss quite a bit...........but. You documentation or data provided. A better thought is to show us your hvb temperature while driving on the divided four lame highest at 100kmph/62 mph at minus 10C.

 

[davegram]

I've posted my latest data here: https://www.macheforum.com/site/thr...p-efficiency-data-thus-far.51363/post-1098638

 

[cooltatts]

Heat pump reduces weather range loss quite a bit...........but. You documentation or data provided. A better thought is to show us your hvb temperature while driving on the divided four lame highest at 100kmph/62 mph at minus 10C.

How do I show the “hvb” temperature while driving. Oh and what’s an “hvb”?

 

[Kamuelaflyer]

Oh and what’s an “hvb”?

Hepatitis Virus B or HypoVereinsbank. Those are the only possible meanings.

You need a OBD2 reader and software, such as Car Scanner to read the HVB temperature. Car Scanner is CarPlay compatible and, I presume, Android Auto compatible.

 

[E90alex]

Hepatitis Virus B or HypoVereinsbank. Those are the only possible meanings.

You need a OBD2 reader and software, such as Car Scanner to read the HVB temperature. Car Scanner is CarPlay compatible and, I presume, Android Auto compatible.

I don’t believe this data is available on 2025+

 

[Jimrpa]

Hepatitis Virus B or HypoVereinsbank. Those are the only possible meanings.

You need a OBD2 reader and software, such as Car Scanner to read the HVB temperature. Car Scanner is CarPlay compatible and, I presume, Android Auto compatible.

Back when I worked in healthcare, we usually said "HepA", "HepB", or "HepC"

 

[Kamuelaflyer]

I don’t believe this data is available on 2025+

Not easily anyway. 25+ are encrypted. The last i checked, the laws and regulations actually don’t require OBD ports at all for BEVs. Sad.

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