Want this question answered?
It could be mold. Better have it checked out.
Probably around the heat/AC vents. Moisture can settle in and around the vents from condensation and turn into a breeding ground for bacteria. Often the vents are in the ceiling and get overlooked during cleaning.
Yes heater vents can be painted the same colour as your walls.
Routine air vent cleaning saves homeowners money by improving the flow of air through the vent. When vents get clogged, the air has a harder time pushing through the vents, which causes energy bills to rise.
If the tenent is or does get sick because of mold, animal dander pest or otherwise, asbestos particles, lead paint dust or other airborne pollens it may be worth it for the landlord to have the system cleaned. With all of these air pollutants easily tested for today in easy to use containers available in hardware stores, the headaches from litigation and court fees can be avoided by a less expensive cleaning. Unfortunatley unless you can prove that these bad particles were brought there by the tenent you're fighting a losing battle as a landlord. Now if you're the tenent and you're allergic to common household dust, the burden may be on you. With all of the hepa filter shop vacs and stove pipe cleaners out there, I bet you could get 90% of the debris out of the vents with a simple cursory cleaning and replacing the filter on the furncae with a more advanced filter. This would require you to get off your butt and work together.
Air vent cleaning actually does reduce the dust in your home considerably. Over time, dirt and dust will travel through your vents as you use your air conditioner and heater. Animal fur, pollen, and other pollutants can cause allergies and other problems. Cleaning your air vents is especially important after construction or remodeling of your home. Cleaning your air vents is definitely not hype. It will reduce allergens that are circulated through the air. Make sure you check out the company with the Better Business Bureau.
Residential duct cleaning allows for the residents of a building to receive clean air from their vents and ensure that they are not inhaling the dirt that has not been cleaned out of the filter.
the answer is A : tighten the caps and plug the vents
During a duct cleaning, a specialized removes dirt, dander and mold from the surfaces of the vents and returns inside a residence or office. This will decrease the number of allergens put forth by the HVAC system into the air. According to the Environmental Protection Agency, cleaning of vents and returns will not get rid of symptoms for those who suffer from allergies; therefore, when considering a professional cleaning allergen reduction should not be the number one deciding factor.
Limited duct cleaning can be a DIY project. By removing the duct vents and cleaning them and vacuuming in the vent, you can get quite a bit of dust removed. However, only a professional cleaner can get at every inch of your ducts.
The LintEater vent cleaner will help with cleaning out your vents, although you'll still have to periodically clean it out so your dryer doesn't overheat.
Most of the danger from air vent cleaning comes from the chemicals used to clean the vents themselves. If you feel you inhaled or swallowed any of the chemicals contact a medical professional immediately.