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mini split from another manufacturer (come on Grand Design)

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  • mini split from another manufacturer (come on Grand Design)

    Not the rv you were thinking of, pretty cool!

    https://youtu.be/aDXKuZaMXoY

    Last edited by howson; 04-21-2021, 05:42 PM.

  • #2
    Jim,

    Where are they mounting the main unit with condenser, compressor and fan? I suspect its not on the roof to be so quiet.

    Jim
    2017 Imagine 2600RB
    2015 GMC Sierra 4x4

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    • #3
      Did you watch by chance? In an enclosed cubby with fan shroud venting outside and venting underneath to allow air intake.

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      • #4
         

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        • #5
          Impressive. Wonder if it can be retrofitted into existing RVs. Current units are loud and power hungry. Would like to see actual number comparisons.
          Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.

          Howard, 2017 Ford F-350 DRW, '19 315RLTSPlus

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          • #6
            Originally posted by Jims94vmx View Post
            Did you watch by chance? In an enclosed cubby with fan shroud venting outside and venting underneath to allow air intake.
            I apologize Jim,

            I moved on during his first break in the video and looked it over again. Very nice. My in laws have a split system on their cottage and it is very quiet. Would be a nice to have this on an RV.

            Jim
            2017 Imagine 2600RB
            2015 GMC Sierra 4x4

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            • #7
              Originally posted by howson View Post
              Impressive. Wonder if it can be retrofitted into existing RVs. Current units are loud and power hungry. Would like to see actual number comparisons.
              On the plus side, my wife doesn't need to bring along her sound machine to help her sleep. Both our furnace and A/C make plenty of "white noise".
              Terry and Patty (Dogs-Sophie and Tessa)
              2020 Reflection 297RSTS - bought Oct 2019
              2021 F350 crew cab, SRW, 6.7L diesel, 14K equal-i-zer hitch

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              • #8
                Originally posted by MidwestCamper View Post

                I apologize Jim,

                I moved on during his first break in the video and looked it over again. Very nice. My in laws have a split system on their cottage and it is very quiet. Would be a nice to have this on an RV.

                Jim
                No worries, just making sure the link worked. I would love to see the roof also. Much nicer looking then the wall version, but would imagine running the lines as a retrofit would be hard!

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                • #9
                  The 2600RB has a closet/entertainment area that could be used to house the condenser unit and would allow for lines to run up to the ceiling and would be within about 3ft from the location of the roof unit if someone wanted to do it.

                  Here is a video that shows a creative idea in space saving (would not recommend it) where the valuable part of this video shows the size of the condenser unit.

                  https://www.youtube.com/watch?v=eFkLrGx6la8

                  Jim
                  Last edited by MidwestCamper; 04-22-2021, 10:30 AM.
                  2017 Imagine 2600RB
                  2015 GMC Sierra 4x4

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                  • #10
                    I wonder the gain of output efficiency over existing setup. As far as I can find, LG 115V mini splits have a 12k BTU max, whereas the Coleman's are 15k.
                    Curtis, Christine, Cole, and Charlotte
                    2007 Chevrolet Silverado Duramax LBZ, CCLB
                    2020 Momentum 351M
                    2004 Essex Vortex

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                    • #11
                      Mini-Split inverter based ACs are much more efficient than single stage compressor ACs. FWIW, most of the world uses inverter mini-splits for home AC. I have an inverter variable speed AC in my home and the power savings is ~65% annually over my single stage system! To be fair I also had my ductwork tweaked for better air balancing but that would be a very small efficiency gain.

                      Dometic makes an inverter roof AC called the Harrier but it's not sold in the US. It's 220-240V and 50 Hz input power and pulls 6.5A at full power. The magic of an inverter AC is it can run well under it's full rating to maintain temperature and humidity saving lots of power.
                      2021 3740BH-R, Roadmaster Comfort Ride Shocks, MORryde Pin Box, EMS-HW50C, 3rd AC w/ Heat Pump, Gen Prep
                      2020 Ford F-350 Platinum CC LB 4x4 SRW, B&W Companion 20k, Timbren Rubber Springs, RetraxPRO XR
                      100W (x4) Rich Solar portable solar, Bluetti AC200, Ecoflow Delta 1300

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                      • #12
                        We had a 12000 btu C&H mini split on a tiny house. That was the largest you could get in 115V. It did a great job and was very quiet. Of course the tiny house had a whole different construction!!!
                        2021 Reflection 337RLS
                        2020 Chevy Silverado 3500

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                        • #13
                          We installed a mini split in our master bedroom seven years ago as part of a major remodel job. Like most of them, it is a heat pump version with heating and cooling. We shut the house unit down at night, and just run the unit in the bedroom. The bedroom is 400 sq ft, and the ceilings are 12 feet high. It will handle all of the cooling and heating of the room with no problems at all. I'm positive it could handle an RV with ease. But it is a 240 volt unit.

                          The external unit could easily be mounted on a shelf carried on the rear of the trailer.

                          Jim
                          The moderators for this site are not GDRV employees, but we do own GDRV products.

                          Jim and Ginnie
                          2017 Reflection 297RSTS

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                          • #14
                            Our tiny house was 40’ long 8.5 wide and around 11 foot ceiling. Was able to put the blower/evaporator unit almost midway and it cooled the whole house easily.
                            2021 Reflection 337RLS
                            2020 Chevy Silverado 3500

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                            • #15
                              Comparing the insulation in houses (even tiny houses) to the insulation in trailers is an "apples and oranges" thing. They are not even close to comparable. I am not arguing with the efficiency or noise improvement with a split AC design, but if you need 30,000 BTUs of conventional cooling (two roof units) . . . 15,000 BTUs from a split design is not going to get the job done. I can cool a 2000 sq ft home with the same 30,000 BTUs it takes to similarly cool a 400 sq ft RV.

                              Rob
                              Cate & Rob
                              (with Border Collies Molly & Angel and their kitty Gracie)
                              2015 Reflection 303RLS
                              2014 Ecoboost F150 with Heavy Duty Payload Package
                              Bayham, Ontario, Canada

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