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The air bear is like many other high efficiency pleated cartridge filter.
They filter more particles than the standard 1" thick filter and have more surface area than 1" high efficiency filters since they are approximately 4" thick.
This means changing less often.
The cost of the replacement filter can seem high initially but considering changing the filter less often and the better filtering it does it works out about the same.
The cabinet is installed in the return ducting usually just before the furnace or air handler. This is why it would be cheaper labor-wise to install at the time of installation of the equipment.

Install it with the new heating system. The HVAC people can modify your return air boot if necessary so it fits properly.
Replacing the filters is not expensive when compared to replacing standard 1" filters every 6 weeks or so.
If there are no smokers or pets in the house replace it ONCE a year. If you have pets and smokers, then every 4-6 months.

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Air Bear

Post edited by: jamessmith4152, at: 2026/01/02 05:27

Most people who live with warm air heating seem to actually like it. A well designed system is quiet, warms the house very quickly and the absence of radiators makes room layout much easier. On the other hand, some people report problems with draughts, dust being wafted around the house, and problems with temperature control. Draughts are caused by incorrect system design or incorrectly set air outlet grills, dust should be removed by an air filter (sometimes missing) and poor temperature control can be improved by cleaning the filter(!) or having proportional control instead of an on/off room thermostat.A further drawback to warm air heating is inflexibility. The system is designed as a whole and cannot be easily extended at a later date if, for example, the house is extended. When a house with warm air heating is extended it usually makes sense to abandon the warm air heating and fit a conventional wet radiator system.


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