Heating and Cooling

Keep your facility comfortable and code-compliant with heating and cooling supplies from Supply Tie. Shop HVAC air filters, registers and vent covers, evaporative cooler parts, heaters and thermostats, dehumidifiers, pipe insulation, and water heater parts. Brands include 3M Filtrete, American Air Filter, Dial Manufacturing, Honeywell, and more. Bulk filter orders are available — stock up for the season and save.

Thermostats: thermostats and heating controls.

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AprilAire 16 in. W X 25 in. H X 6 in. Pleated 10 MERV Pleated Air Filter 1 pk

AprilAire 16 in. W X 25 in. H X 6 in. Pleated 10 MERV Pleated Air Filter 1 pk

Regular price $43.99 USD

Regular price Sale price $43.99 USD
Unit price per
AprilAire 20 in. W X 25 in. H X 4 in. Synthetic Fiber 11 MERV Pleated Air Cleaner Cabinet Air Filter

AprilAire 20 in. W X 25 in. H X 4 in. Synthetic Fiber 11 MERV Pleated Air Cleaner Cabinet Air Filter

Regular price $62.03 USD

Regular price Sale price $62.03 USD
Unit price per
AprilAire 20 in. W X 25 in. H X 6 in. Pleated 10 MERV Pleated Air Filter 1 pk

AprilAire 20 in. W X 25 in. H X 6 in. Pleated 10 MERV Pleated Air Filter 1 pk

Regular price $43.99 USD

Regular price Sale price $43.99 USD
Unit price per
AprilAire Replacement Water Pad For 110, 220, 500, 500A, 500M, 500MKZ, 500KZ, 550, 550A, 558

AprilAire Replacement Water Pad For 110, 220, 500, 500A, 500M, 500MKZ, 500KZ, 550, 550A, 558

Regular price $11.19 USD

Regular price Sale price $11.19 USD
Unit price per
MSRP $13.99
AprilAire Replacement Water Pad For 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 600MKZ, 600KZ...

AprilAire Replacement Water Pad For 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 600MKZ, 600KZ...

Regular price $15.67 USD

Regular price Sale price $15.67 USD
Unit price per
AprilAire Replacement Water Pad For 600, 600A, 600M

AprilAire Replacement Water Pad For 600, 600A, 600M

Regular price $41.95 USD

Regular price Sale price $41.95 USD
Unit price per
MSRP $47.99
B&K 1/4 in. D X 1/4 in. D Brass/Plastic High Pressure Regulator

B&K 1/4 in. D X 1/4 in. D Brass/Plastic High Pressure Regulator

Regular price $22.81 USD

Regular price Sale price $22.81 USD
Unit price per
B&K 1/4 in. D X 3/8 in. D Steel Low Pressure Regulator

B&K 1/4 in. D X 3/8 in. D Steel Low Pressure Regulator

Regular price $14.89 USD

Regular price Sale price $14.89 USD
Unit price per
Band-It 0.75 in. W X 25 ft. L Prefinished Red Oak Wood Veneer Edge Banding

Band-It 0.75 in. W X 25 ft. L Prefinished Red Oak Wood Veneer Edge Banding

Regular price $7.19 USD

Regular price Sale price $7.19 USD
Unit price per
MSRP $10.99
Band-It 0.75 in. W X 25 ft. L Prefinished White Birch Melamine Edge Banding

Band-It 0.75 in. W X 25 ft. L Prefinished White Birch Melamine Edge Banding

Regular price $5.91 USD

Regular price Sale price $5.91 USD
Unit price per
MSRP $8.99
Band-It 0.75 in. W X 25 ft. L Prefinished White Birch Wood Veneer Edge Banding

Band-It 0.75 in. W X 25 ft. L Prefinished White Birch Wood Veneer Edge Banding

Regular price $7.19 USD

Regular price Sale price $7.19 USD
Unit price per
MSRP $10.99
Band-It 2 in. W X 8 ft. L Prefinished White Birch Wood Veneer Edge Banding

Band-It 2 in. W X 8 ft. L Prefinished White Birch Wood Veneer Edge Banding

Regular price $6.52 USD

Regular price Sale price $6.52 USD
Unit price per
MSRP $10.99
Band-It 3 mm Single-Sided 2.25 in. L Veneer Edge Trimmer

Band-It 3 mm Single-Sided 2.25 in. L Veneer Edge Trimmer

Regular price $11.08 USD

Regular price Sale price $11.08 USD
Unit price per
BestAir 14 in. W X 20 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

BestAir 14 in. W X 20 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

Regular price $9.29 USD

Regular price Sale price $9.29 USD
Unit price per
MSRP $12.99
BestAir 14 in. W X 25 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

BestAir 14 in. W X 25 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

Regular price $9.29 USD

Regular price Sale price $9.29 USD
Unit price per
MSRP $12.99
BestAir 16 in. W X 25 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

BestAir 16 in. W X 25 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

Regular price $9.29 USD

Regular price Sale price $9.29 USD
Unit price per
MSRP $12.99
BestAir 16 in. W X 25 in. H X 3 in. 11 MERV Pleated Air Filter 1 pk

BestAir 16 in. W X 25 in. H X 3 in. 11 MERV Pleated Air Filter 1 pk

Regular price $15.28 USD

Regular price Sale price $15.28 USD
Unit price per
MSRP $29.99
BestAir 16 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter 1 pk

BestAir 16 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter 1 pk

Regular price $40.72 USD

Regular price Sale price $40.72 USD
Unit price per
MSRP $49.99
BestAir 20 in. W X 16 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 16 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $5.05 USD

Regular price Sale price $5.05 USD
Unit price per
MSRP $7.99
BestAir 20 in. W X 20 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 20 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $5.81 USD

Regular price Sale price $5.81 USD
Unit price per
MSRP $8.99
BestAir 20 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

Regular price $21.15 USD

Regular price Sale price $21.15 USD
Unit price per
MSRP $26.99
BestAir 20 in. W X 25 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 25 in. H X 1 in. Carbon 11 MERV Pleated Air Filter 1 pk

Regular price $9.29 USD

Regular price Sale price $9.29 USD
Unit price per
MSRP $12.99
BestAir 20 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter 1 pk

Regular price $40.72 USD

Regular price Sale price $40.72 USD
Unit price per
MSRP $49.99
BestAir 24 in. W X 12 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 24 in. W X 12 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $4.81 USD

Regular price Sale price $4.81 USD
Unit price per
MSRP $7.99
BestAir 24 in. W X 20 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 24 in. W X 20 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $5.96 USD

Regular price Sale price $5.96 USD
Unit price per
MSRP $8.99
BestAir 24 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

BestAir 24 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

Regular price $10.00 USD

Regular price Sale price $10.00 USD
Unit price per
MSRP $16.99
BestAir 24 in. W X 24 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 24 in. W X 24 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $7.91 USD

Regular price Sale price $7.91 USD
Unit price per
MSRP $10.99
BestAir 24 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter 1 pk

BestAir 24 in. W X 25 in. H X 5 in. 13 MERV Pleated Air Filter 1 pk

Regular price $40.72 USD

Regular price Sale price $40.72 USD
Unit price per
MSRP $49.99
BestAir 25 in. W X 14 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 14 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $5.12 USD

Regular price Sale price $5.12 USD
Unit price per
MSRP $7.99
BestAir 25 in. W X 16 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 16 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $5.36 USD

Regular price Sale price $5.36 USD
Unit price per
MSRP $8.99
BestAir 25 in. W X 20 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 20 in. H X 1 in. 8 MERV Pleated Air Filter 1 pk

Regular price $7.91 USD

Regular price Sale price $7.91 USD
Unit price per
MSRP $9.99
BestAir Analog Humidity Monitor 1 pk

BestAir Analog Humidity Monitor 1 pk

Regular price $5.37 USD

Regular price Sale price $5.37 USD
Unit price per
MSRP $6.99
BestAir G13 Replacement Water Pad For Specific General, Hamilton, Williamson Power Humidifiers

BestAir G13 Replacement Water Pad For Specific General, Hamilton, Williamson Power Humidifiers

Regular price $15.05 USD

Regular price Sale price $15.05 USD
Unit price per
MSRP $20.69
BestAir Humidifier Filter 1 pk

BestAir Humidifier Filter 1 pk

Regular price $11.15 USD

Regular price Sale price $11.15 USD
Unit price per
MSRP $16.99
BestAir Humidifier Filter 1 pk For Fits for Essickair, Emerson and Moistair

BestAir Humidifier Filter 1 pk For Fits for Essickair, Emerson and Moistair

Regular price $12.96 USD

Regular price Sale price $12.96 USD
Unit price per
MSRP $17.99
BestAir Humidifier Filter 1 pk For Fits for Honeywell model HCM-6009, 6011g, 6011i, 6011ww, 6012i, 6

BestAir Humidifier Filter 1 pk For Fits for Honeywell model HCM-6009, 6011g, 6011i, 6011ww, 6012i, 6

Regular price $13.63 USD

Regular price Sale price $13.63 USD
Unit price per
MSRP $19.99