Heating Ducts In Attic

Ted also has inherited a powered attic ventilator.

Heating ducts in attic.

Attic hvac systems also require shorter ducts. So why put an hvac system up in the attic at all. Cost of installation supplies. Duct leakage causes a lot of problems including less.

With newer foundation systems involving embedded rebar or tension cables making in slab hvac ductwork nearly impossible there s little other option but to move it to the attic. Because the average humidity level is 10 20 in phoenix. The unconditioned space also houses his hvac system. Well mainly it s a way to save space.

There will be less duct leakage. Here are the itemized costs for the most common types of ductwork and supplies needed to complete installation. Flexible duct is a plastic tube that is reinforced with wire and then insulated on the outside. Improperly supported flex ducts will sag which cuts down on airflow.

Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home. However an attic in pensacola florida is likely to have a humidity level closer to 100 and the risk of condensation on ductwork would then go up quite a bit. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. Master flow metal pipe is available in a master flow metal pipe is available in a variety of common lengths diameters and gauges to help make your next hvac project a success.

Ted has more than a few cobwebs in his attic. 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. 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. All ducts are at risk for this type of leakage.

Here s why that is a good thing. Attic hvac systems save space. Think about it condensation on ductwork probably isn t a big problem in phoenix arizona but why. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.

In the 70 s and 80 s in slab hvac ductwork was commonplace and took advantage of the relatively stable temperature of the slab at or near the ground. This is an especially relevant tip for flex ducts more on that in a minute but you need to make sure any ducts in your attic have proper support. 1 10 5 25 per foot insulated flexible duct 4 to 16 diameters used as branches or in radial duct attic systems 2 30 13 00 per foot round and oval sheet metal duct 3 to 8 diameters typically used for trunks in small homes and. Round pipe can be used as a main trunk line or branch line as well as in return air situations.

It maintains the most efficient characteristics for airflow and is common throughout the country. The really bad news is that with old metal duct systems the only option is replacement of the ducts to stop the rain in the attic.