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Home/ Heil/ 18x20x1

Heil 18x20x1 Filter

234 Heil cabinet models use this filter size

Filter Size (Nominal)18x20x1
Actual Dimensions17.5 x 19.5 x 0.75
MERV RatingMERV 8
Filter TypeHEPA
Compatible Models234 Heil units

Buy Heil 18x20x1 Replacement Filters

Verify size against your unit label before ordering.

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Compatible Heil Cabinet Models (234)

All models below use the 18x20x1 filter size. Find your model number on the label inside your filter cabinet door.

Cabinet Model #MERVFilter TypeUnit Type
HE440A73MERV 8HEPAAir Handler
HE150C47MERV 11HEPAPackaged Unit
HE194Z32MERV 11HEPAAir Handler
HE875B77MERV 8HEPAFurnace
HE691A60MERV 8PleatedHeat Pump
HE955Z90MERV 11FiberglassPackaged Unit
HE673A38MERV 13PleatedHeat Pump
HE887A27MERV 13HEPAPackaged Unit
HE248A61MERV 13FiberglassPackaged Unit
HE906X34MERV 11PleatedFurnace
HE991X23MERV 8FiberglassFurnace
HE377B24MERV 13FiberglassFurnace
HE478A38MERV 8PleatedFurnace
HE598B94MERV 8PleatedFurnace
HE765Z46MERV 11PleatedAir Handler
HE842C49MERV 11FiberglassPackaged Unit
HE802A66MERV 13HEPAHeat Pump
HE264X71MERV 13PleatedHeat Pump
HE241B57MERV 13FiberglassFurnace
HE473A65MERV 8PleatedHeat Pump
HE396B51MERV 13HEPAAir Handler
HE960A53MERV 8FiberglassFurnace
HE375B99MERV 8FiberglassAir Handler
HE968X41MERV 11FiberglassAir Handler
HE754Z78MERV 11FiberglassHeat Pump
HE623Z29MERV 11HEPAFurnace
HE373A19MERV 13FiberglassHeat Pump
HE833B34MERV 13FiberglassAir Handler
HE788B53MERV 8HEPAHeat Pump
HE849A50MERV 13FiberglassHeat Pump
HE776B81MERV 8HEPAFurnace
HE594B60MERV 13HEPAFurnace
HE145C97MERV 11HEPAPackaged Unit
HE113A11MERV 13HEPAHeat Pump
HE534Z40MERV 11HEPAHeat Pump
HE686C25MERV 11HEPAAir Handler
HE366A91MERV 13FiberglassAir Handler
HE866C24MERV 8FiberglassFurnace
HE626Z86MERV 11PleatedPackaged Unit
HE445B10MERV 13FiberglassAir Handler
HE519X75MERV 11HEPAHeat Pump
HE118B75MERV 8PleatedPackaged Unit
HE512X47MERV 11PleatedPackaged Unit
HE479B48MERV 11FiberglassPackaged Unit
HE672X46MERV 8FiberglassPackaged Unit
HE140A70MERV 13PleatedFurnace
HE982B54MERV 8PleatedFurnace
HE152Z23MERV 13PleatedAir Handler
HE978C74MERV 11HEPAAir Handler
HE146Z20MERV 13FiberglassPackaged Unit
HE292A95MERV 11FiberglassFurnace
HE674A60MERV 11PleatedHeat Pump
HE625A71MERV 11HEPAHeat Pump
HE766A38MERV 13HEPAAir Handler
HE751Z81MERV 8PleatedPackaged Unit
HE985Z60MERV 13FiberglassPackaged Unit
HE185X27MERV 13FiberglassHeat Pump
HE192X37MERV 8HEPAPackaged Unit
HE205A89MERV 11HEPAHeat Pump
HE986A59MERV 11FiberglassPackaged Unit
HE875X30MERV 8HEPAFurnace
HE783Z30MERV 8PleatedHeat Pump
HE498B14MERV 11PleatedPackaged Unit
HE811B26MERV 13FiberglassAir Handler
HE647C19MERV 11HEPAFurnace
HE470A86MERV 11PleatedAir Handler
HE413B49MERV 13HEPAFurnace
HE921A79MERV 8PleatedAir Handler
HE510C35MERV 8HEPAAir Handler
HE807X24MERV 11HEPAFurnace
HE704Z91MERV 13FiberglassFurnace
HE850X24MERV 8PleatedPackaged Unit
HE588B67MERV 8PleatedHeat Pump
HE514A31MERV 8FiberglassHeat Pump
HE488B21MERV 13HEPAHeat Pump
HE402Z51MERV 13FiberglassPackaged Unit
HE199Z63MERV 8PleatedAir Handler
HE364B41MERV 8HEPAHeat Pump
HE272X19MERV 8PleatedHeat Pump
HE671Z50MERV 13PleatedFurnace
HE598C19MERV 8FiberglassPackaged Unit
HE261A37MERV 8HEPAHeat Pump
HE155A10MERV 13HEPAFurnace
HE293X97MERV 13PleatedFurnace
HE303Z33MERV 13PleatedPackaged Unit
HE960B25MERV 8FiberglassAir Handler
HE688A77MERV 8PleatedAir Handler
HE805B59MERV 11FiberglassHeat Pump
HE660C82MERV 13FiberglassHeat Pump
HE950A96MERV 8PleatedHeat Pump
HE166B12MERV 13FiberglassHeat Pump
HE723B78MERV 11HEPAPackaged Unit
HE932X69MERV 13HEPAAir Handler
HE865X56MERV 11PleatedHeat Pump
HE607Z47MERV 8PleatedAir Handler
HE810A74MERV 8PleatedAir Handler
HE176A91MERV 13PleatedAir Handler
HE150Z69MERV 11FiberglassPackaged Unit
HE279B49MERV 8HEPAAir Handler
HE480B32MERV 8HEPAAir Handler
HE175X59MERV 13FiberglassPackaged Unit
HE941A20MERV 11HEPAPackaged Unit
HE179X64MERV 8FiberglassHeat Pump
HE963B39MERV 8FiberglassAir Handler
HE593A34MERV 8PleatedAir Handler
HE324A78MERV 8PleatedFurnace
HE805C24MERV 13HEPAPackaged Unit
HE882C67MERV 8FiberglassFurnace
HE609Z50MERV 11HEPAAir Handler
HE195X25MERV 8HEPAHeat Pump
HE302Z25MERV 11FiberglassAir Handler
HE663B40MERV 13HEPAFurnace
HE871A30MERV 13PleatedPackaged Unit
HE147A79MERV 8PleatedHeat Pump
HE810B38MERV 8FiberglassAir Handler
HE510B82MERV 8HEPAHeat Pump
HE148B33MERV 11HEPAHeat Pump
HE350X84MERV 11PleatedAir Handler
HE997A74MERV 13FiberglassPackaged Unit
HE546Z76MERV 11PleatedPackaged Unit
HE120Z78MERV 8HEPAHeat Pump
HE230C12MERV 11PleatedPackaged Unit
HE905C78MERV 13PleatedPackaged Unit
HE906C57MERV 11FiberglassPackaged Unit
HE111C62MERV 11HEPAPackaged Unit
HE352C28MERV 8FiberglassPackaged Unit
HE842A94MERV 8HEPAPackaged Unit
HE427X17MERV 11PleatedHeat Pump
HE139A37MERV 13FiberglassPackaged Unit
HE272B42MERV 11FiberglassHeat Pump
HE263B38MERV 8PleatedHeat Pump
HE565B13MERV 11PleatedFurnace
HE667Z94MERV 8FiberglassPackaged Unit
HE181B86MERV 13FiberglassFurnace
HE500B80MERV 8FiberglassFurnace
HE830C36MERV 11HEPAPackaged Unit
HE666X25MERV 11FiberglassHeat Pump
HE789B91MERV 11FiberglassHeat Pump
HE464X78MERV 11HEPAAir Handler
HE523Z37MERV 13FiberglassFurnace
HE270Z45MERV 13PleatedPackaged Unit
HE202A81MERV 8PleatedAir Handler
HE983A28MERV 11HEPAAir Handler
HE764Z54MERV 8FiberglassFurnace
HE911X84MERV 11FiberglassHeat Pump
HE684B62MERV 11PleatedHeat Pump
HE988C12MERV 13HEPAHeat Pump
HE877C84MERV 11HEPAAir Handler
HE249C60MERV 8HEPAAir Handler
HE847A39MERV 11FiberglassFurnace
HE914C79MERV 13PleatedFurnace
HE996A24MERV 8PleatedHeat Pump
HE224B65MERV 13PleatedPackaged Unit
HE721C28MERV 11FiberglassFurnace
HE875X45MERV 13HEPAFurnace
HE656C68MERV 8FiberglassFurnace
HE570C81MERV 8FiberglassAir Handler
HE525X56MERV 8HEPAHeat Pump
HE796Z60MERV 8HEPAFurnace
HE159B39MERV 11FiberglassHeat Pump
HE233X74MERV 11PleatedHeat Pump
HE375C93MERV 13FiberglassAir Handler
HE208A17MERV 13PleatedFurnace
HE539X34MERV 8HEPAAir Handler
HE749B58MERV 11PleatedFurnace
HE769B77MERV 13HEPAAir Handler
HE704A94MERV 13FiberglassPackaged Unit
HE993B81MERV 8PleatedHeat Pump
HE610B39MERV 13PleatedAir Handler
HE600C52MERV 8HEPAFurnace
HE623X17MERV 13HEPAHeat Pump
HE770Z94MERV 8FiberglassPackaged Unit
HE504X32MERV 13HEPAPackaged Unit
HE239A98MERV 13FiberglassPackaged Unit
HE960X45MERV 8HEPAPackaged Unit
HE491Z91MERV 11FiberglassFurnace
HE789A14MERV 8HEPAAir Handler
HE355Z91MERV 8HEPAAir Handler
HE825X28MERV 8HEPAAir Handler
HE211B62MERV 13FiberglassAir Handler
HE135B76MERV 11PleatedPackaged Unit
HE154A13MERV 13FiberglassPackaged Unit
HE570Z45MERV 8FiberglassAir Handler
HE734B13MERV 8HEPAPackaged Unit
HE747A18MERV 13PleatedFurnace
HE287C80MERV 11HEPAFurnace
HE617C52MERV 8HEPAHeat Pump
HE137X51MERV 8FiberglassAir Handler
HE688X54MERV 11FiberglassPackaged Unit
HE958C15MERV 11PleatedAir Handler
HE569C93MERV 13PleatedHeat Pump
HE774Z51MERV 11FiberglassPackaged Unit
HE429B69MERV 13PleatedFurnace
HE832C76MERV 8FiberglassAir Handler
HE137X66MERV 13PleatedHeat Pump
HE381C56MERV 8FiberglassFurnace
HE475B27MERV 13FiberglassPackaged Unit
HE697A68MERV 11HEPAPackaged Unit
HE184A69MERV 13FiberglassFurnace
HE252B42MERV 8PleatedHeat Pump
HE444A16MERV 8FiberglassPackaged Unit
HE780C47MERV 13HEPAFurnace
HE520A50MERV 8HEPAPackaged Unit
HE256C18MERV 11HEPAPackaged Unit
HE201C45MERV 13FiberglassHeat Pump
HE406Z36MERV 13HEPAPackaged Unit
HE350X94MERV 11PleatedAir Handler
HE952A42MERV 8PleatedPackaged Unit
HE102A41MERV 8FiberglassFurnace
HE601A32MERV 13FiberglassFurnace
HE911Z69MERV 8FiberglassAir Handler
HE289A32MERV 8PleatedAir Handler
HE885X58MERV 13PleatedFurnace
HE323C32MERV 11FiberglassHeat Pump
HE154A55MERV 8PleatedHeat Pump
HE188B44MERV 8PleatedFurnace
HE997Z43MERV 13HEPAFurnace
HE316A36MERV 13HEPAFurnace
HE771X87MERV 13FiberglassPackaged Unit
HE559X32MERV 13FiberglassPackaged Unit
HE328Z74MERV 8FiberglassAir Handler
HE515A74MERV 8HEPAFurnace
HE883X96MERV 11FiberglassHeat Pump
HE963A88MERV 13FiberglassFurnace
HE447Z40MERV 8PleatedAir Handler
HE619A41MERV 13HEPAPackaged Unit
HE381C67MERV 8HEPAHeat Pump
HE871X20MERV 11PleatedAir Handler
HE649C31MERV 8PleatedFurnace
HE615A20MERV 11PleatedPackaged Unit
HE803C54MERV 13PleatedPackaged Unit
HE223C37MERV 13PleatedHeat Pump
HE966Z80MERV 11FiberglassAir Handler
HE850Z35MERV 8FiberglassAir Handler

How to Confirm Your Filter Size

The nominal size (18x20x1) is the labeled size. The actual measured dimension is 17.5 x 19.5 x 0.75. Always check the label on your existing filter or measure the slot before ordering replacements.

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