General
Did the service provider obtain access to and clean the entire heating and cooling system, including duct work and all components (drain pans, humidifiers, coils, and fans)?
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Yes
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No
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Has the service provider adequately demonstrated that duct work and plenums are clean? (Plenum is a space in which supply or return air is mixed or moves; can be duct, joist space, attic and crawl spaces, or wall cavity.)
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Yes
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No
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Heating
Is the heat exchange surface visibly clean?
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Yes
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No
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Blower
Are the blower blades clean and free of oil and debris?
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Yes
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No
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Is the blower compartment free of visible dust and debris?
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Yes
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No
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Cooling Components
Are both sides of the cooling coil visibly clean?
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Yes
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No
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If you point a flash light into the cooling coil, does the light shine through to the other side? It should if the coil is clean.
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Yes
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No
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Are the coil fins straight and evenly spaced (as opposed to being bent over and smashed together)?
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Yes
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No
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Is the coil drain pan completely clean and draining properly?
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Yes
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No
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Plenums
Is the return air plenum free of visible dust and debris?
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Yes
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No
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Do filters fit properly and are they the proper efficency as recommended by HVAC system manufacturer.
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Yes
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No
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Is the supply air plenum (directly down-stream of the air handling unit) free of moisture stains and contaminents?
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Yes
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No
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Metal Ducts
Are interior ductwork surfaces free of visible debris? (Select several sites at random in both the return and supply sides of the system.)
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Yes
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No
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Fiberglass
Is all the fiberglass material in good condition (i.e., free of tears and abrasions; well adhered to undrlying materials)?
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Yes
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No
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Access Doors and Covers
Are newly installed access doors in sheet metal ducts attached with more than just duct tape (i.e., screws, rivets, mastic)?
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Yes
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No
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With the system running, is air leakage through access doors or covers very slight or non-exsistent?
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Yes
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No
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Air Vents
Have all the registers, grilles, and diffusers been firmly re-attached to the walls, floors, and/or ceilings?
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Yes
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No
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Are the registers, grilles, and diffusers visibly clean?
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Yes
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No
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System Operation
Does the system function properly after cleaning?
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Yes
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No
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If you answered "No" to any of the above questions, this may indicate a problem with the job. Speak to your contractor regarding these issues and ask him to make corrections to his/her work such that you can answer all the questions "Yes."
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Yes
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No
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