A typical 3 ton air conditioner condensing unit might pull in 2800 cubic feet per minute cfm of outdoor air.
Roof over ac unit.
Please follow links provided below to open free detailed pdf plans for 8 wide 10 wide 12 wide and 16 wide lean to overhangs.
Build it with a sloped roof for shade that extends up over the.
Place a small sheet of plywood over the top of the unit.
However i think it wouldn t hurt to have a roof over it especially to keep rain off of the compressor.
I don t think shading the compressor will improve your air conditioner efficiency.
Shading your air conditioner s outdoor condenser unit is an accepted way to increase its efficiency and lower your cooling costs.
We did our best.
Extend the roof line over the unit like an awning.
That s because shading the air conditioner is said to cool down the air around it so that it doesn t have to work as hard to cool that air before blowing it into your house.
Energy gov confidently states that shading the outside unit can increase its efficiency by up to 10.
A cover can promote mold and mildew that will damage your unit a cover can create a home for insects and other vermin that want to come in from the cold an alternative.
Since your air conditioner is probably oversized it won t run the full 60 minutes.
Build a lean to roof at least three feet from the top of the unit the roof slope will direct the hot air away from the unit.
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Most plans include list of materials needed to build a lean to addition.
It is a very common belief that shading your air conditioner s condenser unit that big steel box with the fan outside will reduce the amount of energy it uses.
If the air is blocked by the roof or cover you build in any way it could be recirculated through the unit which would lower your efficiency and damage the system over time.
Posted by wigner3j at 11 02 am on july 26 2010.
Please use your judgment and common sense and go over the list to make sure everything looks good.
Free lean to roof pdf plans.
It is basically a plywood storage compartment built several feet back check with your contractor from the condenser unit.
You can hold this down with a few bricks or a couple of heavy rocks.
Either can be expensive but some insurances will cover this type of damage.