Here it is growing on the inside of the humidifier. Due to a poor installation and lack of maintenance.
Here its growing on the register located on the side of the coil. Results of a poor install and high humidity in the basement.
This is the blower housing inside an air handler. Lack of maintenance lets it get to this level.
Air conditioner condensate was leaking and went un-noticed resulting in this mess.
The condensate pan that holds water in the summer becomes a breeding ground.
Metal ductwork down in a very humid crawlspace created this growth.
Growth on the underside of a mini-split due to lack of maintenance.
Inside the air handler is a prime location for mold growth, as evidenced here on the wiring going to the blower motor.
Here is some funky growth right on the blower wheel of your hvac system.
Here we have growth on the inside of the fiberglass duct board plenum. Poor filtration helped contribute to this condition.
This drain line is located inside the air handler and covered with bacteria growth due to lack of maintenance.
This buildup is on the inside of an inducer cooling wheel, part of a gas furnace. Due to furnace being located in high humidity basement combined with a lack of maintenance. .
Growth has formed on the paper side of this insulation located in the crawl space. A result of high humidity.
This is the subfloor as seen from the crawlspace. Again, a result from an unknown water leak from hvac system.
Intake pipe for a gas furnace pulling air from the basement led to this mold growth. Another case of a basement without proper dehumidification.
Here we have growth on the blower wheel of a mini-split. Lack of maintenance contributes to this.
The high humidity and dark space your coil lives makes it the perfect place for mold growth.
This growth is on the service sticker. Combination of sticker location on the plenum and a basement without a dehumidifier.