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Search: Posts Made By: AirConditioner
Forum: Geothermal & Heat Pumps 07-14-20, 05:38 PM
Replies: 4
Views: 1,187
Posted By AirConditioner
That's interesting, though how many kilo-dollars...

That's interesting, though how many kilo-dollars does it cost? Amazon has some real mini splits just over $600 these days.

I've always wanted to see a dual hose style "portable" heat pump that you...
Forum: Geothermal & Heat Pumps 07-14-20, 05:25 PM
Replies: 21
Views: 2,584
Posted By AirConditioner
A "future" EV. And that means less room and cargo...

A "future" EV. And that means less room and cargo capacity for thermal mass. Just drop it. You cannot have thermal mass in a vehicle. Jesus...you seem like a smart guy, but you're just talking stupid...
Forum: Geothermal & Heat Pumps 07-14-20, 04:54 PM
Replies: 15
Views: 1,646
Posted By AirConditioner
Why did you "figure" that? Black paint doesn't...

Why did you "figure" that? Black paint doesn't make things "dissipate heat".

As noted all hermetic compressors are cooled by the refrigerant. Any cooling of the small steel case of the compressor...
Forum: Geothermal & Heat Pumps 07-06-20, 09:28 PM
Replies: 21
Views: 2,584
Posted By AirConditioner
Thermal storage doesn't work on wheels. I am...

Thermal storage doesn't work on wheels. I am seriously baffled by your posts...

Where would you suggest one mount this thermal storage tank in a Van or Jeep? It is not even remotely practical, and...
Forum: Geothermal & Heat Pumps 07-06-20, 04:25 AM
Replies: 21
Views: 2,584
Posted By AirConditioner
I'm not sure why you are arguing. What you are...

I'm not sure why you are arguing. What you are talking about is in no way helpful or relevant to air conditioning a "van" or a Jeep. There is nowhere to store ice, and even if there was you would...
Forum: Geothermal & Heat Pumps 07-03-20, 07:56 AM
Replies: 21
Views: 2,584
Posted By AirConditioner
Not sure what you drive but I'm wondering where...

Not sure what you drive but I'm wondering where you keep a ton of ice stored? :confused:Thermal storage is amazing for housing, not so much being mobile.

I'm building a ~4kwh lithium battery that...
Forum: Geothermal & Heat Pumps 07-01-20, 03:51 PM
Replies: 21
Views: 2,584
Posted By AirConditioner
There are some newly available small DC...

There are some newly available small DC compressors mostly from chinese sources for things like this. Much of it is 24v but I'm pretty sure they make 48v compressors too. From there I would rather...
Forum: Geothermal & Heat Pumps 03-02-20, 04:40 AM
Replies: 10
Views: 1,949
Posted By AirConditioner
That's a problem I wrestle with a lot. I don't...

That's a problem I wrestle with a lot. I don't plan on living in this house the rest of my life, so I have to think hard about how much these upgrades are worth. I'm glad the previous owner put in...
Forum: Geothermal & Heat Pumps 02-27-20, 12:22 AM
Replies: 10
Views: 1,949
Posted By AirConditioner
Hmmm...why would cycling the compressor make it...

Hmmm...why would cycling the compressor make it more efficient? It seems that most energy upgrades these days are about cycling things as little as possible.

I found my notes from testing the A/C...
Forum: Geothermal & Heat Pumps 02-23-20, 07:43 PM
Replies: 10
Views: 1,949
Posted By AirConditioner
I'm not talking about what the window unit is...

I'm not talking about what the window unit is actually "rated", but rather measurements I have taken myself. I've never seen it go over something like 412w on a hot day, though I have not done...
Forum: Geothermal & Heat Pumps 02-22-20, 09:30 PM
Replies: 10
Views: 1,949
Posted By AirConditioner
I disagree. First, the particular unit I...

I disagree.

First, the particular unit I have makes 5,000BTU at about 350-400 watts depending on temperatures. This gives a COP of roughly 3.75. No, not as good as a mini split, but not...
Forum: Geothermal & Heat Pumps 01-30-20, 01:14 AM
Replies: 10
Views: 1,949
Posted By AirConditioner
I thought about that, but the initial cost would...

I thought about that, but the initial cost would be significantly higher. I don't think it would be worth the energy savings - I only plan on staying here a few years. If the main heat pump ever...
Forum: Geothermal & Heat Pumps 01-29-20, 06:02 PM
Replies: 10
Views: 1,949
Posted By AirConditioner
Could a window A/C be more efficient than my heat pump?

Maybe January is a weird time to be thinking about A/C, but I'm in North Carolina and it will be on in a month or two. Last summer I bought a house, and it has 5 ton heat pump that I think is a bit...
Forum: Geothermal & Heat Pumps 05-12-18, 08:00 PM
Replies: 17
Views: 7,615
Posted By AirConditioner
I'm not asking anything about R12.

I'm not asking anything about R12.
Forum: Geothermal & Heat Pumps 05-11-18, 09:27 PM
Replies: 17
Views: 7,615
Posted By AirConditioner
That's interesting...I thought 134A wasn't a very...

That's interesting...I thought 134A wasn't a very efficient refrigerant because it was higher pressure. Will a propane/butane mix provide better cooling? Can I simply vacuum and charge the system...
Forum: Geothermal & Heat Pumps 05-07-18, 12:45 AM
Replies: 9
Views: 2,029
Posted By AirConditioner
I think it might be better (cheaper/easier) to...

I think it might be better (cheaper/easier) to use a non pressurized tank with a pressurized copper coil heat exchanger inside. You could use a stainless steel 55 gallon drum for this, or probably...
Forum: Geothermal & Heat Pumps 05-07-18, 12:38 AM
Replies: 17
Views: 7,615
Posted By AirConditioner
Converting vehicle A/C from R134A to propane?

I have a 1998 Jeep and the air conditioning has a very slow leak. It's not a big deal, I only have to top it off about every 6 months. With that said, I'm interested in converting it to use propane...
Forum: Geothermal & Heat Pumps 06-17-17, 09:11 PM
Replies: 9
Views: 2,120
Posted By AirConditioner
Looks like I found something better: Outdoor...

Looks like I found something better:
Outdoor Wood Furnace Boiler Water to Air Heat Exchanger 8X8 american royal (http://www.ebay.com/itm/171814233078)
Similar to an evaporator core, but copper and...
Forum: Geothermal & Heat Pumps 06-17-17, 02:11 AM
Replies: 9
Views: 2,120
Posted By AirConditioner
That's the problem, I doubt there are any...

That's the problem, I doubt there are any adapters to convert whatever the evaporator uses to flare...or if there is it would probably be a stack of things, just adding more places to potentially...
Forum: Geothermal & Heat Pumps 06-16-17, 04:09 PM
Replies: 9
Views: 2,120
Posted By AirConditioner
Not really interested in going to a junk yard...

Not really interested in going to a junk yard when I can get a new one on ebay for $20 shipped. No junk yards close to me anyway and they all want an "admission" fee just to look. Would take all day...
Forum: Geothermal & Heat Pumps 06-16-17, 02:22 AM
Replies: 9
Views: 2,120
Posted By AirConditioner
Using an automotive evaporator core?

I'm trying to build a combination water heater/air conditioner on the cheap. I already have a 5,000 BTU compressor, expansion valve, filter, etc. The condenser will be a coil of copper tubing in a...
Forum: Geothermal & Heat Pumps 11-23-15, 07:08 AM
Replies: 18
Views: 4,855
Posted By AirConditioner
Only about capillary tubing vs expansion valves....

Only about capillary tubing vs expansion valves. That's what this thread is about.



LOL. Well, to be honest I don't owe anybody pictures of anything. Like I said before I'm waiting on a long...
Forum: Geothermal & Heat Pumps 11-21-15, 10:49 PM
Replies: 18
Views: 4,855
Posted By AirConditioner
Huh? I didn't ask a question. No math will ever...

Huh? I didn't ask a question. No math will ever tell you the heat loss of a given vessel more accurately than actually testing in the real world.
Forum: Geothermal & Heat Pumps 11-21-15, 12:57 PM
Replies: 18
Views: 4,855
Posted By AirConditioner
I'm actually curious to find out how much...

I'm actually curious to find out how much heat/cold a 55 gallon drum will lose, I wonder how well they will work as a radiator with a big thermal mass. I have both plastic and coated steel closed...
Forum: Geothermal & Heat Pumps 11-21-15, 07:52 AM
Replies: 18
Views: 4,855
Posted By AirConditioner
Will this expansion valve work for what I want to...

Will this expansion valve work for what I want to do?
Sporlan Thermostatic Air Conditioning Expansion Valve FV 1 2 C R22 | eBay (http://www.ebay.com/itm/131632606127)
It's rated at 1/2 ton.

I'd...
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