When I went to help our sister with her air quality issue, I evaluated everything with her Heating in addition to Air Conditioning unit. When checking the air filter, I thought it was ridiculous how light it was. It felt savor a feather in our hand in addition to it was 1 of those cheap fiberglass air filters. I told our sister that the air filter was virtually useless as it offered hardly any protection for the Heating in addition to Air Conditioning equipment in addition to it didn’t help improve the air quality in the household. I told our sister that she had to pay more attention to the MERV ratings on air filters in addition to go for the air filters with better ratings. She said she never knew about going for better air filters in addition to said she didn’t think which 1s were enjoyable in addition to bad. I told him I would show him the next time she went to go air filter shopping, which would have to be sooner rather than later. I also evaluated out her air duct idea in addition to I saw there was a lot of build up of dirt in addition to debris inside of there. I said she would need to have her air duct idea cleaned by a professional. She asked if there was a way to scrub the air duct separate from having an lavish service call, in addition to I said we could do it with a shop-vac. Now, I don’t request this to everyone, however our sister is a major penny pincher! So we cleaned everything we could with the shop-vac in addition to honestly, we got a lot of the dirt in addition to debris out of the air duct system. When we got a enjoyable air filter in her Heating in addition to Air Conditioning unit, the air quality improved a lot after that.