View cart “Quest Dual 155 Overhead Dehumidifier” has been added to your cart. Add shipping address to get shipping rates! (click "Calculate Shipping") Filter Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quickview 20 % Save $354.00 Industrial Dehumidifier 190 Pint $1,395.95$1,749.95 Add to cart Quickview 12 % Save $589.96 Quest Dual 225 Overhead Dehumidifier $4,399.99$4,989.95 Add to cart Quickview 27 % Save $219.99 Humidifier – 200 Pints Per Day $599.96$819.95 Add to cart Quickview 32 % Save $7.96 Digital Temperature And Humidity Meter $16.99$24.95 Add to cart Quickview 30 % Save $719.98 Ideal-Air Pro Series Dehumidifier 180 Pint $1,679.97$2,399.95 Add to cart Quickview 24 % Save $24.00 PNG-021 Day & Night or 24 hr Temperature Controller $75.95$99.95 Add to cart Quickview 21 % Save $2,159.95 Quest 506 Commercial Dehumidifier – 500 Pint $8,200.00$10,359.95 Add to cart Quickview 41 % Save $609.99 Dehumidifier 60 Pints to 120 Pints $879.96$1,489.95 Add to cart Quickview 18 % Save $32.00 PNG-030 Humidity Control With Display Day & Night $147.95$179.95 Add to cart Quickview 24 % Save $71.99 Uvonair Ozone Generator Jr 1000 $227.96$299.95 Add to cart Quickview 23 % Save $669.99 Commercial Grade Water Chiller 1-1/2 HP $2,299.96$2,969.95 Add to cart Quickview 18 % Save $352.00 Commercial Grade Water Chiller 1/2 HP $1,599.95$1,951.95 Add to cart Quickview 21 % Save $6.00 Mondi Mini Greenhouse Thermo-Hygrometer $21.95$27.95 Add to cart Quickview 22 % Save $35.04 PNG-010 Cycle Timer $124.95$159.99 Add to cart Quickview 24 % Save $24.00 PNG-011 Precision Cycle Timer With PhotoCell $75.95$99.95 Add to cart Quickview 24 % Save $24.00 PNG-012 High Temp Watchdog Adjusable Delay $75.95$99.95 Add to cart Quickview 22 % Save $37.00 PNG-020 Digital Precision Thermostat $132.95$169.95 Add to cart Quickview 19 % Save $30.04 PNG-050 Lighting Control W / High Temp Shut-Off $129.95$159.99 Add to cart Quickview 2 % Save $10.00 Quest DEH 3000R Wall Mounted Humidistat $399.95$409.95 Add to cart Quickview 5 % Save $1.45 Quest Replacement Filter 155 & 225 $27.50$28.95 Add to cart Quickview 6 % Save $4.62 SO Uvonair Replacement Bulb 11″ For 3000 $72.33$76.95 Add to cart Quickview 6 % Save $4.50 SO Uvonair Replacement Bulb 14″ For 5000 $70.45$74.95 Add to cart Quickview 6 % Save $4.08 SO Uvonair Replacement Bulb 6″ For Jr 1000 $63.87$67.95 Add to cart Quickview 20 % Save $16.96 SO Uvonair Replacement Bulb Vu-80 $69.99$86.95 Add to cart Quickview 19 % Save $17.00 Tempstat Only No Wire (Tempstat) $72.95$89.95 Add to cart Quickview 20 % Save $21.99 Tempstat Wired (Cooling) $87.96$109.95 Add to cart Quickview 20 % Save $21.99 Tempstat Wired (Heating) $87.96$109.95 Add to cart Quickview 28 % Save $5.00 Thermometer with Hygrometer Indoor (Thermor) $12.95$17.95 Add to cart Quickview 22 % Save $200.00 Uvonair In-Duct Ozone Generator 10″ CD-1000/2 $699.95$899.95 Add to cart Quickview 28 % Save $330.00 Uvonair In-Duct Ozone Generator 12″ CD-1200/3 $869.95$1,199.95 Add to cart Quickview 19 % Save $140.00 Uvonair In-Duct Ozone Generator 8″ CD-800 $589.95$729.95 Add to cart Quickview 23 % Save $69.74 Uvonair Ozone Generator 3000 $240.21$309.95 Add to cart Quickview 26 % Save $91.79 Uvonair Ozone Generator 5000 $268.16$359.95 Add to cart