Furnace ducts that deliver hot air in cold months can be used for air conditioning.
Air conditioning ducts in attic.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
The air ducts for a central hvac systems are typically located above a home in the attic or upper crawl space or underneath a home in the space between the foundation and the floor so.
The unconditioned space also houses his hvac system.
If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
So why put an hvac system up in the attic at all.
Ironically older duct systems which tend to be larger work best when retrofitting central.
I live in montreal and had a lennox air conditioner and ducts installed in the attic.
The air in your vented attic is hot and humid just like all outdoor air in florida.
Condensation forms when warm humid air comes into contact with a colder surface like your air conditioner s ductwork.
Basically you can have the highest quality professionally installed vents but if the attic is improperly sealed the quality of the ducts won t matter making cooling or heating your in law suite far.
If you live in a consistently humid climate a dehumidifier can help keep the air.
Common air conditioner problems.
The attic then becomes superheated which in turn heats up the ductwork and the cooled air passing through it headed for your in law suite.
If you have ducts.
When the hot humid attic air contacts the cold duct or the cold duct boot the moisture in the air condenses on the cold surface just like the condensation that happens on a cold can of beer.
You should have your ducts inspected.
Attic hvac systems save space.
If you have central heating and or air conditioning in your home the warm or cool air is delivered to each room through a system of connected ducts and vents.
I was wondering is there any figures on the expected energy temp lose.
Many times modifications are required to accommodate the greater volume of air produced by air conditioning.
If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed.
Keep ducts spaced apart so air can flow between them.
The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago.
This colder surface then chills the surrounding air to a temperature below it s dew point which causes the water vapor to condense into a liquid just like on the outside of a glass of iced teas sitting outside on a hot day.
Ted has more than a few cobwebs in his attic.