How long does a Lennox filter last?
Standard, one-inch disposable air filters should be changed every three months.
How often should MERV 15 filters be changed?
Your furnace’s owner’s manual will specify the best MERV rating for your furnace, and in general, filters with a MERV rating of 6 through 9 should be changed every 90 days, while those with a MERV rating of 10 through 12 should be changed every 60 days.
How often should Merv 8 filters be changed?
every 3-4 months
The basic recommendation for furnace filters replacement is every 3-4 months for MERV 8, every 6 months MERV 10 and 11 and every year for MERV 16. There are other several factors to consider when determining when to change your home air filter.
What MERV rating does Lennox recommend?
We advise buying no less than a MERV 13 if the system allows for it.
What happens if you don’t change your furnace filter?
Without a new air filter, the furnace will overheat every time it starts up again. This is referred to as short cycling. Dirty furnace filters cause your furnace to work harder than it should due to a decrease in airflow. The harder your furnace works, the quicker its parts will wear out and need repairs.
Does MERV 8 filter virus?
Filters with MERV-13 or higher ratings can trap smaller particles, including viruses. Many home HVAC systems will have a MERV-8 filter installed as the default. By itself, using an upgraded HVAC filter is not enough to protect people from COVID-19.
Where are Lennox filters made?
Manufacturing. Based in Richardson, Texas, near Dallas, Lennox has manufacturing and distribution facilities across North America. Products are available through a network of more than 6,000 independent Lennox® Dealers.
What MERV rating is best for Covid 19?
What kind of filter should I use in my home HVAC system to help protect my family from COVID-19? Minimum Efficiency Reporting Values, or MERV, reports a filter’s ability to capture particles. Filters with MERV-13 or higher ratings can trap smaller particles, including viruses.
