Attic Furnace Ductwork Layout

Trunk line layout is provided in the.

Attic furnace ductwork layout. If you re shopping around for a new a c heat pump or furnace now is an ideal time to take a look behind the scenes at the air ducts and bring them center stage in your home efficiency strategy with good hvac principles. If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure. Situate the air handler close to the center of the layout to minimize the length of ductwork spans. Understanding basic residential ductwork design please note.

When it comes to heating and cooling homes forced air distribution is king. Yeah my canadian friend robert bean of healthy heating pushes radiant for both heating and cooling and my texas friend kristof irwin drank that koolaid and installed what may be the first radiant cooling system in texas. The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago. A delivery system for all forced air systems furnace or air handler heating or air conditioning or both.

Heating and cooling systems are responsible for close to 50 percent of the energy expenses in the typical home and the ductwork plays a substantial role. Ensure proper ductwork sealing. Most heating cooling systems now are dual units with different elements for heating or cooling but sharing a blower and ductwork to distribute. Once all the system variables have been decided your hvac design professional can determine the most efficient ductwork design layout and calculate the correct duct size.

Return air cfm must be equal or greater than supply air cfm. When you place a furnace in the attic to take advantage of its. Ductwork is the channel through which the air in your home is filtered and purified or expelled to the outdoors and replaced with fresh new air. Even if radiant distribution systems completely take over though we ll still.

Make the layout as symmetrical as possible with branch ducts spaced evenly along the trunk duct and each branch of similar length. The prior owner just had a new ac system installed in which they switched from the equipment and metal ducts in the crawlspace to flex ductwork equipment in the attic where temps have regularly been in the 130 150 degrees this summer. The layout and installation of the duct system will incorporate these basic principles of good ductwork design. Choose the right duct size and layout.

All information provided in this document is to be used as a guideline only. A furnace in the attic is a design that works for all homes. Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal. Ted also has inherited a powered attic ventilator.

Duct delivers fresh air and humidification into your home. You might not receive the same air movement benefits if the unit is in a garage either. The old ductwork and vents are all still in place and in good shape even insulated.