Well mainly it s a way to save space.
Duct closure for attic air conditioner.
The price of a duct and vent professional can vary depending on your area.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
Closing air vents increases the pressure in your ducts.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
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.
Insulated flexible duct r6 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications.
The outdoor air is cold.
First the delta t across the exhaust duct doesn t matter because you re getting rid of that air.
Nashua 324a cold weather foil tape is ul nashua 324a cold weather foil tape is ul code approved for sealing class 1 rigid 181 amp p or class 1 flexible 181b fx duct joints and connections.
In winter there s no worry.
Put it in an attic full of blown insulation and you re.
I live in montreal and had a lennox air conditioner and ducts installed in the attic.
The duct has r6 insulation which contains 33 more insulation than the standard r4 2 product.
The air in a vented attic is.
Then air seal and insulate the attic much better incidentally she also used 1200 gallons of.
Air sealing all the ducts and air handler connections and seams and air sealing all the duct boots to the ceiling gypsum and any other penetrations is a critical first step prior to adding any insulation.
And remove the old one from the attic.
So why put an hvac system up in the attic at all.
I was wondering is there any figures on the expected energy temp lose.
However the heated or cooled air may travel a very inefficient path to get there ultimately decreasing the efficiency of your system.
If they re well sealed this may increase the airflow somewhat to other parts of the home.
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.
With a heavy duty foil backing that is printed for easy inspection and an aggressive acrylic adhesive nashua 324 amp is the ideal choice for heating ventilation and air conditioning installations that.
Attic hvac systems save space.
If there were a possibility of condensation it would matter but i think the chances of that are low with an erv.
Air pressure and closed vents.
The average cost for a duct and vent professional is 100.
The master flow 6 in.
This additional insulation provides greater thermal efficiency to save energy.
