Full House Ac Unit W Attic Ducts

For what it s worth i m not having any issues with the unit downstairs but those ducts are within the ac part of the house.

Full house ac unit w attic ducts.

Prior to this the downstairs ac unit cooled the entire house not too well. Upstairs never got below 75 at night and the ducts were those box metal ones from god knows when and never had moisture issues. My unit is over 16 years old which is ancient in florida. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.

However they are a fantastic option for homes that do not have an air conditioning system or a system of ducts. So why put an hvac system up in the attic at all. An unconditioned attic is the worst place you can put the ducts for you air conditioner. Condensation forms when warm humid air comes into contact with a colder surface like your air conditioner s ductwork.

According to nrel researchers david roberts and jon winkler moving the ducts from a vented attic to a new location inside the conditioned space will reduce electricity used for cooling by 15 to 20 and will reduce the size of the needed air conditioning equipment by 0 5 to 1 ton. Assuming your ductwork is located in the attic refer to the steps below for a quick and easy do it yourself solution to thermal leaks. 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. The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.

The condenser is located outside and the air handler located inside the house attic garage or crawl space. Here s a report that shows why. Use zip ties to secure any loose ducts to the attic floor. Ductless systems are being used as an energy efficient supplemental air conditioning unit for homes that already have central ac systems.

The evaporator coil is in the air handler. Steps to sealing attic air ducts. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Attic hvac systems save space.

For a house that needs ducts the costs and work time double. Is the ductless air conditioner. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running.