Wholesale
Top PickThe deepest rate here, on packs holding several units of the same machine. Contractors buying a fleet are who this is priced for rather than a single household.
Expires: Limited Time Offer
Basement
Twelve percent on basement and crawl space models. These are built to run in unheated spaces where a standard domestic unit would ice up.
Expires: Limited Time Offer
$1000
One hundred dollars from a thousand dollar order with no category restriction. Ten percent at the threshold, which beats most of the percentage codes here.
Expires: Limited Time Offer
Restoration
Five percent on restoration combo orders inside that band. Combo packs bundle a dehumidifier with air movers, which is the standard water damage kit.
Expires: Limited Time Offer
$3000
Five percent from three thousand dollars across the whole catalogue rather than combo packs alone. Broader than the restoration code at the same rate.
Expires: Limited Time Offer
$600
Three percent from six hundred dollars, the lowest threshold on this page. Useful on a single machine that does not reach the larger tiers.
Expires: Limited Time Offer
Best Sellers
Twenty percent across the most ordered machines, with no code needed. Deeper than most of the coded offers above, so start here before entering anything.
Expires: Limited Time Offer
Deal
Enjoy free ground shipping on eligible orders delivered within the 48 contiguous United States. No voucher code required. Shipping terms and exclusions apply. No code is needed. The offer is applied on the store's own site. The store lists the offer as ending on December 31, 2026.
Expires: Dec 31, 2026
Code
Get 23% on selected Storm LGR commercial dehumidifiers at The Dry Air. This Awin-exclusive voucher replaces the standard automatic 20% discount on eligible models. Conditions from the store: Valid on selected Storm LGR commercial dehumidifier models only. and get 23% Off eligible products. This voucher replaces, rather than combines with, the standard automatic 20%. Enter the code in the promo box at checkout to take the discount off the order. The store lists the offer as ending on November 30, 2026.
Expires: Nov 30, 2026
Code
Get 10% on selected replacement filters with a qualifying filter subtotal of $100 or more at The Dry Air. Valid on eligible HEPA, Activated Carbon, MERV, and dehumidifier filter packs. Conditions from the store: Valid on selected replacement filter products only. and get 10% Off eligible replacement filters with a qualifying filter merchandise subtotal of $100 or more before taxes and. Enter the code in the promo box at checkout to take the discount off the order. The store lists the offer as ending on December.
Expires: Dec 31, 2026
Past their end date, but often still working — worth a try at checkout.
Scrubbers
UnverifiedTwenty three percent off selected air scrubbers. Scrubbers filter airborne particles during restoration work, which is a different job to the dehumidifiers here.
Expired: Limited Time Offer
Whole House
UnverifiedOne hundred and fifty off whole house units once the subtotal passes $1,999. Whole house models duct into existing HVAC rather than sitting in one room.
Expired: Limited Time Offer
Combo
UnverifiedTwo percent on eligible combo packs from $800. The smallest offer here, so it is worth checking whether the 5% restoration code reaches your order first.
Expired: Limited Time Offer
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