Best Furnace Filter
Furnace Filter is the most part replaced in your heating system. Keeping your dust and other small particle away from your house is not easy. With a good design of your Duct heating system the filter in your furnace can operate for a maximum of 3 month or 300 hours with 1 inch thickness. For bigger size, as 5 inch the time is raising at 6 months to 10 months. The bigger issue is when heating system is not properly design. Bad design is heading to bad air flow. Less airflow , obstruction create overheating of your furnace or freezing the evaporator coil of your air conditioning. In this situations the only solution is to adjust the quality of your filter. In the summer when your AC is running a cheaper filter will help air flow . Same in the winter .
MERV
MPR
Furnace filter classification
MERV 1 to 16
MPR 300 to 2500
Furnace filter recomandation
All depend on what you want . If you want a better filtration you can use a high rate filter. With high rate filter , the furnace filter is coming dirty faster and three months can be too long. A long time to heat your house , an overheating furnace by doing short cyling are sign for a dirty filter. A cheaper or a low rate filter will sometimes take long time to see dirty on the filter,sometimes 8 months or more. To choose between your health and furnace health is not easy for some people. Merv 8 is a great filter to accommodate both side and is doing great job during 3 months. Why we choose a middle rate is to protect the furnace and to have a decent filtration.
A DIRTY FILTER AND A LONG RUNNING TIME FOR YOUR FURNACE WILL DESTROY YOUR FAN MOTOR
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