If you choose to run the furnace without a filter installed, several potential problems can arise and lead to the breakdown of your heating system. The purpose of a furnace air filter is to keep your HVAC system in pristine condition, especially the blower motor and evaporator coils. Risks of Running Your Furnace Without a Filter If your heater goes out in the middle of winter due to a clogged air filter, call the HVAC professionals at John C. The two main reasons you shouldn’t run a furnace without a filter are that your furnace could break down suddenly and that air will be filled with contaminants that are unsafe to breathe in.
However, the longer you run your heating system without an air filter, the more contaminants accumulate inside your heating unit’s inner mechanisms. If you’re wondering, “Do you need a furnace filter?” then just keep in mind that running a furnace without a filter temporarily, such as for one night, won’t affect your HVAC system detrimentally.
So what happens if you don’t have a filter in your furnace? The answer to that is pretty straightforward: yes, you can, but you’ll most likely damage your unit if you do. Is it Bad to Run a Furnace Without a Filter? Cold indoor temperatures even with the heat turned on.This creates a semipermeable blockade that traps harmful particles.Ī clogged air filter prevents air from flowing through the system which can lead to: The filter consists of tightly woven fiberglass, paper, or cloth elements. Next, air passes through the air filter before it’s heated and recirculated back into your home. The air in your home is first sucked into the furnace through a blower fan.
These filters are easy to change, making this a quick, painless home maintenance task that drastically improves furnace airflow. 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.Ī furnace filter is critical to keep your indoor air quality pristine and maximize the lifespan of your furnace. So, do you need a furnace filter for your HVAC unit? A furnace filter doesn’t just purify your air, it keeps the inner mechanisms of your HVAC system functioning properly. Trenchless Water Line Replacement & Repair.
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