Installing High Efficiency Furnace In Attic

I have installed high efficiency furnaces in attics in the past but you would still need a separate compressor unit outside for ac.

Installing high efficiency furnace in attic. Hello everyone i recently had a new hvac system installed in my attic. A high efficiency furnace could be 90 efficient or it could be 96 efficient. But that s simply not an issue that we need to worry about in southern california where our winters are mild. Usually this is done after removing the 1950 s original heaters in the lower walls floors.

In flood prone areas instaling a furnace in the attic provides protection. For example a furnace found in most homes is 80 efficient. High efficiency furnaces aren t usually recommended for an attic. I didn t get much help from the gc or the hvac contractor he hired so i installed a clamp lamp with a 60 watt bulb to shine on the trap.

I use self regulating heat tape if there is any chance of the condensate line freezing. Have you considered a mini split system. Always read the furnace manual and check local building. After the installation was done i found out that these high efficiency furnaces are not recommended in the attic because the condensate trap can freeze.

Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. If you place the furnace in the attic then you must install the infrastructure in the building to force the warm air to the bottom floor. The drain must be installed through the core of the house as water will be flowing during the colder months. Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit.

It is a carrier heat pump system with a propane furnace backup. High efficiency furnaces may be installed in basements ground floor utility rooms garages or attics in open spaces or confined closets. I had a new high efficiency furnace installed in my unheated attic and had the same problem of the furnace not running because the condensate trap had ice in it. The variations in energy efficiency in all of the parts of a home insulation windows air conditioners etc can have a huge effect on energy usage.

Yes you can put a high efficiency furnace in an attic hose if allowed by your local code. That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally. In our area in southern california it is pretty standard to install the furnace in the attic. This drain removes the excess water that a heating system will generate.

The furnace is a 58mvb120 120 high efficiency unit.