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)?
|
Yes
|
|
No
|
|
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.)
|
Yes
|
|
No
|
|
Heating
Is the heat exchange surface visibly clean?
|
Yes
|
|
No
|
|
Blower
Are the blower blades clean and free of oil and debris?
|
Yes
|
|
No
|
|
Is the blower compartment free of visible dust and debris?
|
Yes
|
|
No
|
|
Cooling Components
Are both sides of the cooling coil visibly clean?
|
Yes
|
|
No
|
|
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.
|
Yes
|
|
No
|
|
Are the coil fins straight and evenly spaced (as opposed to being bent over and smashed together)?
|
Yes
|
|
No
|
|
Is the coil drain pan completely clean and draining properly?
|
Yes
|
|
No
|
|
Plenums
Is the return air plenum free of visible dust and debris?
|
Yes
|
|
No
|
|
Do filters fit properly and are they the proper efficency as recommended by HVAC system manufacturer.
|
Yes
|
|
No
|
|
Is the supply air plenum (directly down-stream of the air handling unit) free of moisture stains and contaminents?
|
Yes
|
|
No
|
|
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.)
|
Yes
|
|
No
|
|
Fiberglass
Is all the fiberglass material in good condition (i.e., free of tears and abrasions; well adhered to undrlying materials)?
|
Yes
|
|
No
|
|
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)?
|
Yes
|
|
No
|
|
With the system running, is air leakage through access doors or covers very slight or non-exsistent?
|
Yes
|
|
No
|
|
Air Vents
Have all the registers, grilles, and diffusers been firmly re-attached to the walls, floors, and/or ceilings?
|
Yes
|
|
No
|
|
Are the registers, grilles, and diffusers visibly clean?
|
Yes
|
|
No
|
|
System Operation
Does the system function properly after cleaning?
|
Yes
|
|
No
|
|
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."
|
Yes
|
|
No
|
|
