Air Conditioning Ducts In Attic

Keep ducts spaced apart so air can flow between them.

Air conditioning ducts in attic.

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. If the conditions causing the mold growth in the first place are not corrected mold growth will recur. For example ducts fall into two types. Again i d suggest calling an experienced hvac pro to guarantee your ducts are installed in your attic with proper support.

Ii lowered ceilings in hallways. Choosing the right ductwork for installing in your attic as with home architecture and decor there are trends in the hvac world. Put it in an attic full of blown insulation and you re forcing. Leaky seals in unconditioned vented attics can effectively turn an efficient 15 seer unit into a 12 meaning it s much less efficient.

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. Iii special trusses that create space below the unconditioned attic. Find hvac duct fittings at lowe s today. Ducts are infested with vermin e g.

You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space. 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. When air cannot circulate freely throughout your. If you have insulated air ducts and the insulation gets wet or moldy it cannot be effectively cleaned and should be removed and replaced.

If you live in a consistently humid climate a dehumidifier can help keep the air around your ductwork dry. 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. There are two main ways to solve this problem. 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.

Iv conditioned attic and more. The air in your vented attic is hot and humid just like all outdoor air in florida. 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. 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.

If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture. The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house. If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed. Hard ducts and flexible ducts.