Air Conditioning Ducts In Attic

Leaky seals in unconditioned vented attics can effectively turn an efficient 15 seer unit into a 12 meaning it s much less efficient.

Air conditioning ducts in attic.

Choosing the right ductwork for installing in your attic as with home architecture and decor there are trends in the hvac world. Ii lowered ceilings in hallways. 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. The air in your vented attic is hot and humid just like all outdoor air in florida.

Put it in an attic full of blown insulation and you re forcing. If you have insulated air ducts and the insulation gets wet or moldy it cannot be effectively cleaned and should be removed and replaced. Unblock any ducts that are restricting air flow and have them cleaned regularly. Again i d suggest calling an experienced hvac pro to guarantee your ducts are installed in your attic with proper support.

When air cannot circulate freely throughout your. If you live in a consistently humid climate a dehumidifier can help keep the air around your ductwork dry. I lowered soffits around room perimeters. The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.

Ducts are infested with vermin e g. If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture. There are two main ways to solve this problem. Iv conditioned attic and more.

Find hvac duct fittings at lowe s today. In it the authors argue that attic ducts kill home efficiency they say that studies show a 20 percent energy use increase for homes with attic ducted units. Iii special trusses that create space below the unconditioned attic. For example ducts fall into two types.

The passive vents probably reduced that negative effect by allowing more air to flow from the the outdoors but it s still almost always better from an energy use point of view to not use turbine vents or powered attic vents of any significant size. Turbine vents usually depressurize the attic sufficiently to pull conditioned air up through the air leaky ceiling into the attic which increases the cooling energy use. Improperly supported flex ducts will sag which cuts down on airflow meaning cool air generated by an ac unit will struggle to reach your in law suite. You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space.

Hard ducts and flexible ducts. 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 you don t see them unless you have cause to replace them. You can install insulation on the attic side of the register boot and you can make sure that your duct is adequately insulated. If the conditions causing the mold growth in the first place are not corrected mold growth will recur.