Duct Closure For Attic Air Conditioner During Winter

When off the duct liner is allowed to cool below the dew point of the house air.

Duct closure for attic air conditioner during winter.

This will keep the surface of the duct above the dew point of the air in the home. Insulated flexible pipes about 7 inches inside diameter connect from the central duct to ceiling vents in each room. Ii lowered ceilings in hallways. I lowered soffits around room perimeters.

You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space. Iv conditioned attic and more. We would try the simple things first. The hot or cool air is coming out from the same air ducts it depends on how high or low temperatures and the hot or cold switch lever that you set the central air condition unit will automatically switch to hot or cold as you have controlled it.

Running the humidifier less will help. Make sure you. Winterizing your home saves money hot air produced by heating systems in fall winter lose thermal values of 30 or more through the central air duct system. He also thought it might help to run the fan on the air conditioner to circulate air through the ducts and warm up the ductwork even in winter.

The air is re introduced as icy drafts through lower vents. Then cooler air from outside sneaks in to replace it. You don t close the ac vents in winter leave them open in summer or winter. Condensation problem in the ductwork in wintertime question i have a dedicated ductwork system with the air handler in unconditioned attic.

That air has a dewpoint that is higher than the inside surface temperature of the ducts. Heated air rises and is drawn through unsealed central air conditioning vents into ductwork in the cold attic. The vents allow the super heated air to flow out. In the winter the attic is very cold because the roof and gables are not insulated.

The heat exchanger is connected to a long duct running down the center of the attic from end to end. Insulating the april aire cabinet will help. It only seems logical that closing those same vents during the winter would help keep the warm air inside. Iii special trusses that create space below the unconditioned attic.

Keep air moving through the duct during the coldest weather. Putting foam blocks in the register boots and return duct in the winter will likely stop the condensation altogether. Running the indoor blower on a fan cycler will help.