Do I Have To Install All Air Handlers For My Multizone HVAC Unit Before Using It? - Ask The Expert Episode 312

Today's question is from Tom.

"Hey Dan-the-Man. Can I buy a MRCOOL 4 zone air handler DIY system, hook up only two indoor wall mount units now, and the other 2 at a later time?"

Yeah, you can do that. You just have to be sure that you are using at least 50% of the capacity of the condenser. So don't only have a 12K air handler running on a 36K condenser.

As long as it is using it properly, that should be fine. People do that all the time.

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