Mini Split Lineset In Attic

My installer is willing to run the linesets in either the attic or crawl for my minisplit.

Mini split lineset in attic.

The contractor uses pmd gelcopper insulation instead of the mitsubishi type. Diy mini split install in spray foam attic. In the walls in the basement in the eaves or soffit as long as you take care with the insulation it should be fine. An hvac contractor has taken a look at the house and has a recommendation inverter explains in this q a post.

Pdm gelcopper insulated copper refrigerant tubing line set from pdmus. Some mini split wall tumors have a spring already installed on the flare stubs mitsubishi s mr. One will cool the master bedroom the other will cool the two bedrooms where inverter s children sleep. Putting your ductless mini split condenser in your attic is not recommended.

You can run a ductless line set up down or straight out. Your condenser works in conjunction with the indoor units or the mini splits themselves. Other end of lines went across the walk in crawl to the outside. Install two mitsubishi sez model ducted minisplits in the attic.

To explain why let s talk a bit about what the mini split condenser is and how it works. And while i have run more than a bit of linehide i personally try to hide the lineset as much as possible. The attic at inverter s house is. I m having a mitsubishi ductless mini split installed.

Keep away from forming traps or letting the pipe sag or droop. Slim comes to mind. Just did one last week. Both the conventional ac unit and the mini unit are in a big cage bolted to the side wall of the crawl.

Is making the switch a good idea. In the image below it shows a mini split with the line set running up which is okay. It will be more costly to run the linesets in the crawlspace and definitely easier to run them in the attic. Ultimately a diy mini split in spray foam attic works best for relative humidity control in my situation.

Lineset wire and drain went up through a wall and in the attic to the back of the wall where the head was installed. A ductless mini split heat pump and ac not only adds conditioned air but also removes moist air dehumidifies. Secure the pipe as often as possible at least every four feet.