Are all furnace air filters the same?
No, HVAC air filters differ in quality and dimensions, and some have features that others don’t. In most instances we advise using the filter your HVAC manufacturer recommends pairing with your system. All filters are assigned MERV ratings, which go from 1–20.
What happens if I don’t have an air filter in my furnace?
Without a furnace filter, dirt, dander, and debris won’t be cleaned out of the air, which can be bad for you and your family’s health. Also, if you fail to replace a clogged filter, it can wear down your heating system.
How many air filters does a furnace have?
Most furnaces will have a V shape filter system; the system will take 2 filters. The filters go up into the plenum in a V shape. Make sure that when you re-install the top door, it goes over the furnace frame so it engages the safety switch. If not the furnace will not run.
Are furnace filters universal?
Are furnace filters universal? Because furnace and HVAC manufacturers have different size slots for air filters, they are, unfortunately, not universal.
Do all forced air furnaces have filters?
Do all furnaces have filters? Yes, every furnace should have a filter. You can find the filter in between the return air duct and the main furnace unit.
Is no air filter better than a dirty one?
Running your air conditioner without a filter is worse than running it with a dirty one. Instead, get to the store as soon as possible for a replacement or call an HVAC professional for replacement. Without a filter, your air conditioner is at risk for severe and expensive problems.
Will furnace shut off if filter is dirty?
Clogs May Cause the Furnace to Shut Down
In the most severe cases, a dirty furnace air filter may cause damage to the internal components of the furnace. 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.
Is it bad to run your furnace without a filter?
If you run a furnace without a filter, it won’t cause immediate problems, but contaminants will build inside your heating unit and can cause long-term damage. Keeping a clean filter ensures it operates efficiently and can keep dirt, dander, and debris from circulating back through your home.
Can I run my HVAC without a filter?
Your air conditioner will run without a filter, but you shouldn’t try it! Without a filter, you leave your system wide open to all types of dirt and debris that will damage the HVAC system and lead to expensive repairs.
How do I find my home air filter?
Where Is The Air Filter Located In My House?
- Behind a register in your wall or on the ceiling.
- Behind a register in the floor (in older homes).
- On the HVAC unit near the air handler, which looks a bit like a furnace. Look for your air handler in the basement or the attic. The air filter slots into the air handler unit.