Electric A/C anyone?, Comments, dialog, experience? Options

[slowrodent]

OK..I've read a bunch of semi-recent articles online regarding electric air conditioning kits in cars. One was a 911 that is employing a rather pricey euro-kit and the owner seemed pleased... Most articles focus on the large current draw and the overall (in)efficiency of the kits on the whole. Yet, I can't help but feel that the 914 (tiny car) is a perfect application for such a kit - particularly if your engine can push a larger alternator. (Mine is a v6 and would have no problem doing so).. Allows you to frunk-mount the compressor and simplify the overall install (yes, big gauge wires are required, but in my case at least.. no interior exists so no worries)

Plus relatively cheap kits are waaay-abundant.

So thoughts, insights, experience? (IMG:style_emoticons/default/idea.gif)

[Highland]

Could one use a battery to power the compressor and fans? It would be an additional 60 lbs. or so and one would have to remember to charge it, but no additional load on our sub 100Hp engines.

[mepstein]

Could one use a battery to power the compressor and fans? It would be an additional 60 lbs. or so and one would have to remember to charge it, but no additional load on our sub 100Hp engines.

You would have to run the numbers but I’m betting 60lbs of batteries would equal about 15 minutes of a/c. I could be off but no way is a battery going to last for a decent drive time.

[Root_Werks]

Could one use a battery to power the compressor and fans? It would be an additional 60 lbs. or so and one would have to remember to charge it, but no additional load on our sub 100Hp engines.

You would have to run the numbers but I’m betting 60lbs of batteries would equal about 15 minutes of a/c. I could be off but no way is a battery going to last for a decent drive time.

Isn't that sort of what the Honda CRZ did? My kid had one years ago. He said there was a second battery accessories like AC ran off. That would be a few hundred pound battery I would think.

[Highland]

Could one use a battery to power the compressor and fans? It would be an additional 60 lbs. or so and one would have to remember to charge it, but no additional load on our sub 100Hp engines.

You would have to run the numbers but I’m betting 60lbs of batteries would equal about 15 minutes of a/c. I could be off but no way is a battery going to last for a decent drive time.

Isn't that sort of what the Honda CRZ did? My kid had one years ago. He said there was a second battery accessories like AC ran off. That would be a few hundred pound battery I would think.

So maybe I'm showing my ignorance, but a 60A compressor running 4 hours is 60 Ah. 80% of a 300 Ah battery is 240 Ah or 4 hours of compressor run time; so 3 hours of compressor run time at the low end. A 300 Ah Lithium Iron Phosphate battery weighs less than 60 lbs.

Is this correct or am I missing something?

https://www.renogy.com/core-mini-12-8v-300a...ure-protection/

[Root_Werks]

Could one use a battery to power the compressor and fans? It would be an additional 60 lbs. or so and one would have to remember to charge it, but no additional load on our sub 100Hp engines.

You would have to run the numbers but I’m betting 60lbs of batteries would equal about 15 minutes of a/c. I could be off but no way is a battery going to last for a decent drive time.

Isn't that sort of what the Honda CRZ did? My kid had one years ago. He said there was a second battery accessories like AC ran off. That would be a few hundred pound battery I would think.

So maybe I'm showing my ignorance, but a 60A compressor running 4 hours is 60 Ah. 80% of a 300 Ah battery is 240 Ah or 4 hours of compressor run time; so 3 hours of compressor run time at the low end. A 300 Ah Lithium Iron Phosphate battery weighs less than 60 lbs.

Is this correct or am I missing something?

https://www.renogy.com/core-mini-12-8v-300a...ure-protection/

Eh, I'm probably talking out my arss-hole and simply don't remember. Been too many years since the kid had that car. I do remember riding in it, was like any regular stick shift car. I had to google it, looks like the CRZ is somewhat electric motor propelled. So my battery weight estimate wouldn't be correct.

-Dan