Can I Add Multiple Air Handlers to a MRCOOL DIY Condenser? - Ask the Expert Episode 163

Ductless mini splits are great, and we sure love the MRCOOL DIY, but a lot of people are asking how to connect multiple air handlers to them. Is it even possible?

Video Script:

"Hey Dan, is it possible to connect three or more air handlers to one MRCOOL DIY condenser?"

We get this question a lot! The quick answer is no. The MRCOOL DIY is a single zone ductless mini split, which means you only have the one outside condenser and the one inside air handler. If you want to do multiple air handlers but only have one outside condenser, you have to get what is called a multi-zone. You can't get the MRCOOL DIY in a multi-zone. Not yet, anyway.

That said, we have a lot of mutli-zone units. You could get a multi-zone Gree or Mitsubishi. There is also a MRCOOL multi-zone called the Olympus. With a multi-zone you can have up to five inside air handlers to one outside condenser.

Have more questions? Just ask them in the comments below or on Facebook or on Twitter. 

7 comments (view/add)
  • George Burdick
    George Burdick
    Posted on 6/11/2019

    Okay, do you offer ANY multizone units that are DIY in the same way the "MrCool DIY" is DIY???

  • Kyle
    Kyle from Ingrams
    Posted on 6/11/2019

    We would love to, but unfortunately we do not. As far as we know, there are not any multi-zones that offer similar DIY capability.

  • Kurt
    Kurt
    Posted on 6/11/2019

    A great answer, thanks!

  • Sandra Dornick
    Sandra Dornick
    Posted on 10/18/2019

    Hi Dan ... I'm interested in a multi-zone Olympus. We are remodeling our home and wondering if we buy a 4 zone condenser can we attach only one air handler at a time as the rooms are completed. Then when the next room is completed add the second and so forth? Or do they all need to be connected at the same time?

  • Kyle
    Kyle from Ingrams
    Posted on 10/22/2019

    Yes, you can do that. There will be a specific amount you have to connect to be functional. For example, you would need to connect more than a single head to start with. However, you could then come back later and add on additional air handlers.

  • Marti spencer
    Marti spencer
    Posted on 11/9/2019

    Hello I was curious . I know the Mr. Cool DIY doesn’t yet sell a multi zone it only comes single zone . So my question is can’t we just buy two Mr. Cool DIY single zone ductless mini split systems - one for large bedroom and one for living room / kitchen ? Our house is only 1,100 square ft .

  • Kyle
    Kyle from Ingrams
    Posted on 11/11/2019

    Yes, you can do that.


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