A dirty air filter for the supply of heated air to your indoors might be the cause of a whistling sound.
Furnace air filter whistle.
The following are the common causes of a whistling sound from your furnace.
How do you know when your furnace filter is clogged.
The furnace filter whistle is reusable.
Furnace air filter alarm duration.
Your furnace filter heating and energy efficiency will be negatively impacted by a clogged filter so reusable furnace filter whistles let you know when it is time to replace the furnace filter.
A clogged or dirty furnace filter can rob your furnace of energy efficiency.
Ask jon eakes 5 408 views.
Chances are you don t give a lot of thought to changing the air filter on your furnace or air conditioner.
So here s the main issue.
A furnace filter whistle makes a sound when a filter is clogged 50.
Our air filter whistle lets you know when it s time to change your heating and air conditioning filter.
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When you whistle you have to pucker and tighten your lips to create a small passageway for the air to pass through which makes the high pitched sound.
Furnace filter whistle as seen in real simple magazine.
Thus air has a hard time passing through and therefore harder you blow the higher the velocity and the sharper the whistling noise.
Conversely when you try to to whistle you pucker your lips into a small o shape meaning a smaller passageway.
Think of it like whistling compared to normal breathing.
Follow these simple ways to use the filter whistle to let you know when it s time to change your filter.
If you change your air filter regularly you reduce the risk of breathing unhealthy air and prevent your heating and cooling system from running harder than necessary.
You might go check on it occasionally or just put a reminder on the calendar.
What s blocking restricting airflow in the vents and ductwork.