Any type of furnace filter can be used, but the most popular furnace filter option is the disposable pleated type that blocks some particles and remains inexpensive. Other furnace filter options include disposable fiberg... More » Home & Garden Heating & Cooling

The best furnace filter options are the disposable pleated and disposable electrostatic filters, according to Bob Vila. The Family Handyman also lists disposable pleated filters with a MERV rating of 7 or 8 as a good com... More » Home & Garden Heating & Cooling

To replace a furnace filter, turn off the power to the unit, open the filter access panel, remove the old filter, and slide in a new one. The filter is typically located between the return air and blower, but the exact l... More »

Some furnace filter brands with the highest ratings in customer satisfaction include the Filtrete Clean Living basic dust filter, the LG LT120F Fresh Air filter and the Aprilaire 213 replacement dust filter, according to... More » Home & Garden Heating & Cooling

Intertherm furnace filters, as well as filters compatible with Intertherm models, are sold online through mobile home supply stores such as Magic Mobile Home Supply, specialty filter suppliers such as Filter USA and onli... More » Home & Garden Heating & Cooling

Replace an oil furnace filter by unscrewing and removing the filter housing, taking out the old filter and installing a new one of the same size and type. If the furnace is equipped with a permanent filter, clean it acco... More » Home & Garden Heating & Cooling

A fresh air ionizer on a tower fan puts out charged particles, known as ions, to facilitate the confinement of contaminants in the purification filters. Without an ionizer, an air freshener fails to trap particles that a... More »