Gas Furnace Filter

If the furnace isn t able to turn on this is an indicator of damage to the fan pilot light heat exchanger pressure switches gas valves or other components.

Gas furnace filter.

Furnace filters are sold at home centers hardware stores and online. Check our ratings of furnace filters also known as whole house air. This honeywell 20 in. This highly rated filter has the highest fpr possible and comes in a wide range of sizes fitting most all furnaces.

Most residential filters range from 4 to 12. The size of your filter will be located on the side of the door on your filter cabinet. A basic merv 4 filter will likely be the cheapest but won t catch certain small particles like dust mites and pet dander that could be in your home. For residential furnaces filters range from 4 to 12 on the merv scale.

Pleated fpr 10 air filter captures a high percentage of household air particles including those which are. The price rises to between 15 and 20 for 20 x 30 x 4. These filter out enough of the large particles to protect the furnace while providing maximum airflow. As a rough guide disposable furnace filters start at around 7 or 8 each for 20 x 20 x 1.

These filters prevent dust from blowing through the air and covering furniture electronics flooring countertops and other surfaces. A good furnace filter isn t expensive. Disposable ones are typically 1 or 2 inches thick. The filter must fit snuggly in your furnace.

Whether for a residential or commercial furnace both gas and electric units require filters. The most typical sizes for a furnace filter are 16 x 20 20 x 25 and 16 x 25 however many other sizes are available for purchase on our site. 20 x 25 x 4 pleated air filter fpr 10 today s tightly built homes trap dust allergens today s tightly built homes trap dust allergens and more which explains why indoor air quality ranks among the top five environmental risks to public health. They also help capture allergens including pet dander and pollen.

Furnace manufacturers prefer the traditional spun fiberglass ac filters merv 2. Amazon s choice for gas furnace filters filterbuy 16x25x1 merv 8 pleated ac furnace air filter pack of 6 filters 16x25x1 silver 4 7 out of 5 stars 9 851.