Installing High Efficiency Furnace In Attic

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.

Installing high efficiency furnace in attic.

It is a carrier heat pump system with a propane furnace backup. Hello everyone i recently had a new hvac system installed in my attic. Yes you can put a high efficiency furnace in an attic hose if allowed by your local code. But that s simply not an issue that we need to worry about in southern california where our winters are mild.

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. That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally. I have installed high efficiency furnaces in attics in the past but you would still need a separate compressor unit outside for ac. This drain removes the excess water that a heating system will generate.

The drain must be installed through the core of the house as water will be flowing during the colder months. A high efficiency furnace could be 90 efficient or it could be 96 efficient. The furnace is a 58mvb120 120 high efficiency unit. 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.

High efficiency furnaces aren t usually recommended for an attic. Usually this is done after removing the 1950 s original heaters in the lower walls floors. For example a furnace found in most homes is 80 efficient. In flood prone areas instaling a furnace in the attic provides protection.

I use self regulating heat tape if there is any chance of the condensate line freezing. Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding. When ours was installed in the attic during 2005 the installers put in a nice ceiling door and electrical switches for lighting and furnace master on off switch.

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. In our area in southern california it is pretty standard to install the furnace in the attic. Have you considered a mini split system. Always read the furnace manual and check local building.

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.