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This is a Large Fan and Fan housing in a multi story building. At the time of cleaning it was very dirty and the paint was chipping off and chunks rust and dirt where being blown into the ductwork and up to the tenth floor where it was coming out of the vents and landing on the people and there desks.

Look at the photos through the link and you will see how it was cleaned prepped and painted to be just like new and stop the rust, this saved the building owner from having to have the and Fan and Fan housing replaced. The Fan Housing was a whopping ten feet tall and I do believe the building and air handler was built around it. The owner would have had to have the air handling unit removed in order to replace this Beast.

This is the Fan and Fan Housing from a split system from inside the attic of an older home say about 18 years old, the home owner had been complaining for a while that the air conditioning just was not cooling the house like when it was new and that the house hold dust was just to much to deal with. They said that they could dust every day and it made no difference in just hours the dust was back. The dust and debris on the fan are so thick it could have caused a fire if it had gotten any hotter, at the time of cleaning the motor was too hot to handle. Cleaning the Fan and housing in this case not only greatly reduced the chance of fire but increased the air flow from the unit and that in turn lowered his power bill for heating and cooling by half. The house smells better, not musty anymore.

This is an air conditioning Coil from a Package unit in the back yard of a house that was only about 5 years old and had been working just fine for years and years but the return ductwork in the crawl space had been damaged and was allowing dirty outside air to enter the system through a hole or gap in the ductwork from the wet musty crawl space. The hole was not very big and was on the back side of the ductwork so no one ever saw it until the time of cleaning, we found the hole due to a noticeable loss of vacuum in the return side of the system. After finding the gap in the ductwork we repaired the hole with screws and mastic to make a permanent seal and went on with the job. You can see how the debris built up on the fins of the coil and was blocking the air flow reducing the efficiency of the system. A blockage like this will cause higher head presser at the compressor reduce the air flow and shorten the life of the unit and it also adds to the problem of humidity in the house do to the coil not being able to remove the heat from the air do to the layer of dirt and suspect mold.

This door came off a split system that was located in the crawl space, the insulation on the inside of the door delaminated years age and it was blocking one side of the fan housing reducing the air flow through the system. Each time the unit would come on the insulation would get sucked into the fan blocking one side. W found this and cleaned the surfaces and reattached the insulation to the door with a type of spray glue used for insulation and also glued a new surface over the lose insulation surface covering it with a heavy duty type of aluminum foil to improve the indoor air quality.

The Return ductwork of an air conditioning system should be inspect annually in order to find out just how dirty the system is and how badly it needs to be cleaned. This ductwork is from a system that had not been cleaned in over ten years, the customer was under the impression that good filters and cleaning once would keep the system clean. Though good pleated filters will help to keep the system clean. In our experience HVAC, Exhaust/Dryer systems and ductwork needs to be cleaned after it has been installed in a new home in order to remove the construction dust and debris and with good filtration a system will need to be cleaned about ever five to seven years in order to have good clean healthy air for you and your family to breath.

This photo is from a Laundry Mat, another type air system that needs to be cleaned every few years to improve the efficacy of the equipment and reduce the ware and tar on the equipment and on the cloths that are being dried. In Gas dryers this type of build up can cause a fire and it is also a waste of money running the equipment for longer and longer periods in order to dry the cloths. In electric machines the safety will usually kick out before they get too hot, and you know what that means a service call to fix a ten dollar part and you still have to clean the Dryer duct.

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