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Curly1

Grand Prairie, Texas

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Posted: 04/04/19 03:01pm Link  |  Quote  |  Print  |  Notify Moderator

When air conditioners go out has anyone installed the new high energy efficient Mini-split air conditioners? They work really well are small and do not use much electricity at all (less generator load!)

Something like this. https://www.ebay.com/itm/25-Seer-12000-BTU-Ductless-Mini-Split-AC-Air-Conditioner-Energy-Star-110V-WIFI/183226616042

Could mount condenser on rear wall and the inside units where you wanted them. Some people are now using them in car trailers and houses because they are low cost, quiet and super energy efficient plus easy to install.

pianotuna

Regina, SK, Canada

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Posted: 04/04/19 03:46pm Link  |  Quote  |  Print  |  Notify Moderator

clicky: https://www.ebay.com/itm/25-Seer-12000-B........ioner-Energy-Star-110V-WIFI/183226616042


Regards, Don
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Acampingwewillgo

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Posted: 04/04/19 03:56pm Link  |  Quote  |  Print  |  Notify Moderator

I've seen a few installations on the WEB of Mini Split on RV's. I have given some thought to it also and I like the idea of them. Ones that I have seen were installed on Travel Trailers and looked Great. I'm sure you can find Pic on the Web....


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rk911

Wheaton IL

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Posted: 04/04/19 04:14pm Link  |  Quote  |  Print  |  Notify Moderator

we had a mini-split installed at the house last year to warm/cool our enclosed porch. the unit came with and required ~25' of hose and cable. the installer said that the mfg (Daikin) install instructions state that the hoses and cables cannot be shortened or lengthened. We were able to stuff the excess hose and cable into a space above a closet. Not sure if this is the case with all mini-splits but anyone interested should be sure to ask.


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GordonThree

Northern Michigan

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Posted: 04/04/19 04:25pm Link  |  Quote  |  Print  |  Notify Moderator

I have to wonder how long the fittings will hold up to the rigors of road travel. The old fashioned rooftop has minimal tubing and I believe directly soldered connections.
The mini is going to have a dozen or more feet of tubing and a bunch of connections.

Just pondering, no direct experience.


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MountainAir05

New Mexico

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Posted: 04/04/19 04:31pm Link  |  Quote  |  Print  |  Notify Moderator

rk911 wrote:

we had a mini-split installed at the house last year to warm/cool our enclosed porch. the unit came with and required ~25' of hose and cable. the installer said that the mfg (Daikin) install instructions state that the hoses and cables cannot be shortened or lengthened. We were able to stuff the excess hose and cable into a space above a closet. Not sure if this is the case with all mini-splits but anyone interested should be sure to ask.


Yes they all that we have been around are 25 feet. No design to be un connected once installed or the ones we have done. Also ensure they are 110v and not 220v ones.

valhalla360

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Posted: 04/05/19 03:22am Link  |  Quote  |  Print  |  Notify Moderator

rk911 wrote:

we had a mini-split installed at the house last year to warm/cool our enclosed porch. the unit came with and required ~25' of hose and cable. the installer said that the mfg (Daikin) install instructions state that the hoses and cables cannot be shortened or lengthened. We were able to stuff the excess hose and cable into a space above a closet. Not sure if this is the case with all mini-splits but anyone interested should be sure to ask.


I suspect it's not an issue of length but the tubing is part of the sealed coolant circuit...the manufacture likely doesn't want to deal with people breaking the seal and then they can't get it resealed and recharged.

Related to that, how will the fittings hold up bouncing down the road...if it's a trailer put at a permanent site and rarely moved, it's probably OK but if there is a lot of towing I would bet the manufacturer isn't going to warranty failures.

I would question going with a 12k btu unless it's a small trailer. Standard RV units start at 13.5k with 15k btu often failing to keep up with a single unit.

Finally, what are the power specs. I suspect, you won't see a dramatic reduction in amps when running at full power.


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magicbus

Nantucket Island, MA

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Posted: 04/05/19 04:19am Link  |  Quote  |  Print  |  Notify Moderator

Actually it is a matter of length. We just had a two unit system installed and the installer told me if we didn’t have a 25 foot minimum run he would have to bury some outside. A shorter run will cause the inverter to cycle too often. He mentioned that the house he just bought has the problem because of a poor installation and he needs to fix it. Another issue with our system is it uses flared fittings rather than soldered and they would never hold up. The ducted mini-splits are great systems and can be squeezed anywhere and are really quiet. This was our second installation with the previous one in a 150 year old house.

Dave


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Captain_Happy

Pahrump, Nevada

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Posted: 04/05/19 07:56am Link  |  Quote  |  Print  |  Notify Moderator

Not sure about mounting them into RV's that the roll down the road, but here in our park in Nevada there about 3 stationary 5th wheels that have them installed. And when the day comes when my 15 BTU unit quits I'll be installing one myself.

theoldwizard1

SE MI

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Posted: 04/05/19 12:30pm Link  |  Quote  |  Print  |  Notify Moderator

rk911 wrote:

we had a mini-split installed at the house last year to warm/cool our enclosed porch. the unit came with and required ~25' of hose and cable. the installer said that the mfg (Daikin) install instructions state that the hoses and cables cannot be shortened or lengthened.

First all reputable manufacturers and distributors sell tubing kits in various lengths.

Second, there is nothing "magic" about the tubing ! It s standard HVAC tubing (NOT typically available at a big box store). That is insulated. The proper fitting can be brazed. The tubing from the factory comes "pre-charged" with refrigerant, so to do it "right" you would have to go with all custom tubing (HVACS guys do this every day), or install the long tubing, start and check that the system is running correctly, evacuate the system, cut the excess tubing out and splice the two piece back together.

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