Loose duct in an attic space.
Air Leak in a business!
Have your electric bills been steadily going up? Has the level of comfort in your home gone down? If so you may have an issue with the air flow of your air conditioning unit that effects its overall perfromance.
Look at the attached pictures. The two examples you see were actual issues found on two different HVAC systems. One was in a resident and the other in a business.
If you suspect problems call 405-618-2247 for an inspection. A $49.95 end of the summer inspection uncovered these two issues and will now save the owners Big $ on their energy bills after repairs.