Air Conditioning Ducts In Attic

So why put an hvac system up in the attic at all.

Air conditioning ducts in attic.

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. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. 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.

Many times modifications are required to accommodate the greater volume of air produced by air conditioning. Common air conditioner problems. 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. If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture.

Well mainly it s a way to save space. Keep ducts spaced apart so air can flow between them. Attic hvac systems save space. You should have your ducts inspected.

Ironically older duct systems which tend to be larger work best when retrofitting central. 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. 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.

If you have ducts. 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. What i ve observed attic temp 50c vent temp 21c attic temp 37c vent temp 18c attic temp 25c vent temp 13c not sure what the r value off flexible duct or main metal duct is. 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 live in montreal and had a lennox air conditioner and ducts installed in the attic. If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed. The unconditioned space also houses his hvac system. I was wondering is there any figures on the expected energy temp lose.

Furnace ducts that deliver hot air in cold months can be used for air conditioning. Ted has more than a few cobwebs in his attic.