Best answer: Why is my air filter red?

What does it mean when your air filter is red?

Air purifiers with a quality light

In this case, your air purifier indicates the current quality of the air by displaying a red or green light. … After approximately 5 minutes, the air quality indicator lights up green if the air quality is good or lights up red if the air quality is poor.

Why is my air filter orange?

If it’s yellow or orange, your HVAC system is likely obstructed. If you don’t have a gas furnace, the soot could be caused by scented candles. … As an extra preventative measure, you could install an activated carbon air purifier, since these work best at removing soot particles form the air in your home.

Why does my air doctor turn red?

Over time the sensor can become dirty and may require cleaning. The main symptom of a dirty air monitor is the LED display remains frozen on one light color. If you clean the sensor, it will not erroneously cause a constant red or orange light and an increase in fan speed. You should clean the sensor periodically.

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What happens if you don’t change your air purifier filter?

When you don’t change the filters on an air purifier, the air quality in your home gets worse, the electricity costs of running your air purifier increase, the air in your home becomes stale and stagnant, your air purifier becomes a breeding ground for germs and mold and you might be stressing the fan motor on your air …

Do candles make air filters black?

If you regularly burn candles in your home, there’s a good chance this is the main reason your air filter is black, especially if you burn scented candles. You see, scented candles incorporate a lot of unsaturated oils that don’t burn “clean”.

What causes soot in a gas furnace?

Incomplete Combustion

As the furnace in your house burns fuel to create heat, especially natural gas, there are remnants left over after the process is completed. … One of the combustion byproducts is carbon, the primary ingredient in black soot, which is sent up the heat exchanger and out of the house.

How do I reset my air Doctor carbon filter light?

The Air Doctor® Clean Filter Indicator Light will turn on each time a filter needs to be replaced. To reset the filter indicator, press the AUTO and DIM buttons together for 3 seconds. The CLEAN FILTER light will flash 3 times and then turn off completely, indicating the unit has been reset.

How do I reset my air doctor?

Each time a filter needs to be replaced, the Air Doctor Clean Filter Indicator Light will turn on. Press the DIM and AUTO buttons together for 3 seconds to reset the filter indicator. The CLEAN FILTER light will flash 3 times and then turn off completely, indicating the unit has been reset.

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How often do you need to replace air doctor filters?


Based on average use, replace the carbon filters every 6 months and the Hepa filter every year. You can save $60 by getting these filter replacements on autoship here.