Upflow Furnace In Attic

The current 20 year old gas unit is a small 40k btu upflow unit installed vertically.

Upflow furnace in attic. The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement. Upflow furnaces can also be described as a highboy or a lowboy. Cabinet model mgm80se135d5a 1 035 00 1 035 00. Comfort upflow furnaces heat from the floor up and many people find this a little more comfortable than from the ceiling down.

Mrcool 135 000 btu 80 afue upflow horizontal multi speed gas furnace with 24 5 in. The flex supply ducts come out the top and are routed through the rafters next to the roof on straps before dropping back down through the floor of the attic into the bedroom ceiling registers. The furnace may be installed in an attic or crawl space in the horizontal position by placing the furnace on the left side as viewed from the front in the vertical posi tion. There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space.

An upflow furnace in the basement offers several advantages beyond energy efficiency. However the coil requires additional support. Warm air from below tends to be more comfortable and is less likely to pool in one place compared to warm air from above. If the closet is next to one of the bathrooms as it often is this gives you a nice remodeling opportunity.

Some of the benefits of an upflow furnace are. Better energy efficiency because heat rises upflow furnaces tend to be more energy efficient than downflow ones. You ll also free up a closet. The airflow will come from floor registers rather than the ceiling registers common in attic installations.

Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit. The cost profile for a furnace in the attic is competitive. The drain must be installed through the core of the house as water will be flowing during the colder months. Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding.

The upflow furnace converted to horizontal aligns and attaches the txc coil as in fig ure 1. An upflow configuration is typically selected when the ductwork is located above the furnace such as in a home s basement. The attic has a ceiling high enough that you can stand up in it. For the homeowner the important distinction between the two is that the lowboy is shorter typically around 4 feet in height.

Upflow furnaces need to be placed in a basement or crawlspace to be energy efficient as they work on the principle that warm air rises. Set your store to see local availability add to cart. This drain removes the excess water that a heating system will generate. If you want to purchase a mid efficiency furnace for your home then the price profile for the equipment is similar with a downflow model compared to an upflow one.