Using Split Duct System In Attic

To solve an air conditioning problem a contractor proposes to put two units in an unconditioned attic.

Using split duct system in attic.

A heat pump can either be a package system which has one cabinet mounted against foundation or on rooftop or it can be a split system with two cabinets. Liebler s proposed solution is to place the head in a closet along with a small air handler and an outlet duct through the floor. In that case the condenser is located outside and the air handler located inside the house attic garage or crawl space. Bury attic ducts deeply in insulation when you can.

There will be a lower cost for parts. It doesn t take long for duct tape in the attic to become loose and its adhesive deteriorated. A ductless mini split is a miniature version of a split central air conditioning system. Best of all it s highly efficient because it avoids energy loss delivering air directly where it s needed.

It doesn t need ductwork and is small quiet and convenient to use. An indoor ducted mini split unit can be installed just about anywhere including the attic. Since you ll be using less material shorter ducts won t cost you as much as longer ones. When your system itself is in the attic however you don t have to worry about this because your ducts won t have to run all across the attic.

In homes older than 20 years duct tape may have been used as a sealer duct tape may be a universal fixer of all things except when it comes to your ductwork. Go into the attic and follow a duct from the furnace to find the damper inside of the ductwork. A shelf would run horizontally around the mini split and the outlet duct of the air handler he writes. The unconditioned space also houses his hvac system.

Depending on the floor plan a single 1 ton or 1 25 ton cold climate mini split may be able to cool the whole shebang more comfortably cheaply than the noisy medusa of moldy flex in the attic and also heat most of the place 75 of the time at about half the cost of heating with propane. It will be controlled by either a lever or a small rod that can be adjusted with a screwdriver. Your attic is the most susceptible room in the house for this. Ducted single and multi zone systems are designed for shorter duct runs and larger filters which minimize loaded external static pressure.

If you just can t find a way to get the ducts inside the building enclosure and have to put them in the attic you can bury them deeply in attic insulation in a dry climate. What is a ductless mini split system.