How often should building air filters be changed?
Size and Type of Your HVAC System
Depending on the type of filter you need, changing it as often as every 30 days or up to 6 months or more will depend on the recommendation of the filter manufacturer as well as what your HVAC professional feels is best for your business.
How often should you change commercial air filters?
Replace Filters Quarterly
At a bare minimum, all filters should be replaced or cleaned at least quarterly. This is the standard for HVAC units that are used in relatively dry and clean environments such as office spaces.
How do you know when to change your air filter?
5 Signs That You Need to Change Your AC Filter
- The Air Conditioning Unit is Too Hot. One clear sign that your AC filter needs replacing is when the back of the unit is too hot. …
- The Air Isn’t Cold Enough. …
- The Electricity Bill Has Increased. …
- You’re Suffering More Allergy Attacks. …
- There’s More Dust Near the Air Vents.
Does maintenance replace air filters?
Air filters promote the airflow that your HVAC system needs to operate properly. … Dirty air filters are one of the most common sources of HVAC system problems, so changing filters regularly will help prevent the need for expensive repairs.
How long do air filters last?
It is a general recommendation that you should change your air filter in your home every 30 days when using less expensive fiberglass filters. High-end pleated filters can last as long as 6 months, but these typical guidelines assume average use and don’t take into account the size and type of filter.