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How often should I replace my furnace filter?

Once a month
50%
Once every 3 months
35%
Once a year
9%
Unsure
3%
Next Question
Question: How often should I replace my furnace filter?
Top Answer (50% of 53 votes): Once a month.

Answer: Once a month
Explanation: To insure a long life on unit it needs to have proper intake air. A dirty filter restricts air and performance from system.
Kair
Answer: Once a month
Explanation: Every time you get a utility bill change you filter.
Arizona's Best Heating & AC, Inc.
Answer: Unsure
Explanation: Like A/C filters,when they get dirty. The time in use and climate will be the determining factor.
G&J Carpentery Services
ProMatcher
Answer: Once a month
Explanation: This really depends upon your home, the type of filter you use and how much traffic (people and pets)come through your home.
Master Building Inspectors
Answer: Once a month
Explanation: cleaner the more particles it will trap
Black Dirt Services LLC
Answer: Once every 3 months
Explanation: Check with your furnace manufacturer
MSA CONTRACTORS LLC
ProMatcher
Answer: Once every 3 months
Explanation: Every 3 months but if you have sensitive people in your family then once a month is suggested.
Home Inspection Solutions
Answer: Once a month
Explanation: Buy throw away filters and replace monthly. You will extend the life of your hvac system.
Rightway Residential Home Inspections
Answer: Once a month
Explanation: It all depends on the season if u have A/C to many factors
Markley mowing n more
ProMatcher
Answer: Once every 3 months
Explanation: It depends of the type of filter that you use. Typically you would change it every 3 months. That is what is recommended by the air specialists.
M&G Lawncare
Answer: Once a month
Explanation: Keeping your furnace filter clean optimizes its performance.
Spire Home Inspection
Answer: Once a month
Explanation: depending on recommendations and usage
chesapeake bay landscaping
ProMatcher
Answer: Once a month
Explanation: It really depends on the home, home environment, type filter, and where the returns are located.
APSCO Professional Service Company
Answer: Once a month
Explanation: I would say definitely once a month unless the filter itself says otherwise.
JKM Home Inspections
Answer: Once a month
Explanation: This is based on a monthly filter that needs to be changed monthly. But, there are filters that can last longer than a month...and some filters are washable and do not need to be replaced.
NEXT GERERATION SERVICES
ProMatcher
Answer: Once a month
Explanation: Depends on type.
Legacy Home Inspection & Appraisal LLC
Answer: Once every 3 months
Explanation: Once to every three months is recommended
Higher Standards Property Solutions LLC
Answer: Once a year
Explanation: This would be a minimum. You may need to replace more often.
Kohler Heating and Air Conditioning
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