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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3M Scotch 1.5 in. W X 5 yd L Silver Flue Tape

3M Scotch 1.5 in. W X 5 yd L Silver Flue Tape

Regular price $8.71 USD

Regular price Sale price $8.71 USD
Unit price per
AAF Flanders EZ Flow Nested 20 in. W X 16 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

AAF Flanders EZ Flow Nested 20 in. W X 16 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Regular price $2.23 USD

Regular price Sale price $2.23 USD
Unit price per
MSRP $2.99
AAF Flanders PREpleat LPD SC M10 16 in. W X 20 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

AAF Flanders PREpleat LPD SC M10 16 in. W X 20 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

Regular price $7.04 USD

Regular price Sale price $7.04 USD
Unit price per
MSRP $8.59
AAF Flanders PREpleat LPD SC M10 16 in. W X 25 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

AAF Flanders PREpleat LPD SC M10 16 in. W X 25 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

Regular price $7.04 USD

Regular price Sale price $7.04 USD
Unit price per
MSRP $8.59
AAF Flanders PREpleat LPD SC M10 20 in. W X 20 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

AAF Flanders PREpleat LPD SC M10 20 in. W X 20 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

Regular price $7.04 USD

Regular price Sale price $7.04 USD
Unit price per
MSRP $8.59
AAF Flanders PREpleat LPD SC M10 20 in. W X 25 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

AAF Flanders PREpleat LPD SC M10 20 in. W X 25 in. H X 2 in. Synthetic 10 MERV Pleated Air Filter 1

Regular price $7.88 USD

Regular price Sale price $7.88 USD
Unit price per
MSRP $8.99
AC-Safe Air Conditioner & Coil Cleaner 19 oz Foam

AC-Safe Air Conditioner & Coil Cleaner 19 oz Foam

Regular price $6.03 USD

Regular price Sale price $6.03 USD
Unit price per
AIRCARE 1041 Replacement Evaporative Wick 1 pk For AIRCARE 400 and 600 series humidifiers

AIRCARE 1041 Replacement Evaporative Wick 1 pk For AIRCARE 400 and 600 series humidifiers

Regular price $23.99 USD

Regular price Sale price $23.99 USD
Unit price per
MSRP $32.99
AIRCARE 1043 Replacement Evaporative Wick 1 pk For AIRCARE 800 series humidifiers

AIRCARE 1043 Replacement Evaporative Wick 1 pk For AIRCARE 800 series humidifiers

Regular price $22.99 USD

Regular price Sale price $22.99 USD
Unit price per
MSRP $31.99
AIRCARE 1045 Replacement Evaporative Wick 1 pk For AIRCARE H12300HB, H12400HB, H12600, H12001, H1230

AIRCARE 1045 Replacement Evaporative Wick 1 pk For AIRCARE H12300HB, H12400HB, H12600, H12001, H1230

Regular price $24.57 USD

Regular price Sale price $24.57 USD
Unit price per
MSRP $32.99
AIRCARE Replacement Evaporative Wick 2 pk

AIRCARE Replacement Evaporative Wick 2 pk

Regular price $17.99 USD

Regular price Sale price $17.99 USD
Unit price per
MSRP $24.99
BestAir 16 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

BestAir 16 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

Regular price $8.84 USD

Regular price Sale price $8.84 USD
Unit price per
MSRP $16.99
BestAir 16 in. W X 25 in. H X 5 in. 11 MERV Pleated Air Filter 1 pk

BestAir 16 in. W X 25 in. H X 5 in. 11 MERV Pleated Air Filter 1 pk

Regular price $26.65 USD

Regular price Sale price $26.65 USD
Unit price per
MSRP $38.99
BestAir 20 in. W X 25 in. H X 4 in. 11 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 25 in. H X 4 in. 11 MERV Pleated Air Filter 1 pk

Regular price $25.33 USD

Regular price Sale price $25.33 USD
Unit price per
MSRP $35.99
BestAir 20 in. W X 25 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 25 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

Regular price $21.16 USD

Regular price Sale price $21.16 USD
Unit price per
MSRP $26.99
BestAir 20 in. W X 25 in. H X 5 in. 11 MERV Pleated Air Filter 1 pk

BestAir 20 in. W X 25 in. H X 5 in. 11 MERV Pleated Air Filter 1 pk

Regular price $26.65 USD

Regular price Sale price $26.65 USD
Unit price per
MSRP $38.99
BestAir 25 in. W X 16 in. H X 4 in. 11 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 16 in. H X 4 in. 11 MERV Pleated Air Filter 1 pk

Regular price $25.33 USD

Regular price Sale price $25.33 USD
Unit price per
MSRP $35.99
BestAir 25 in. W X 16 in. H X 4 in. 13 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 16 in. H X 4 in. 13 MERV Pleated Air Filter 1 pk

Regular price $33.81 USD

Regular price Sale price $33.81 USD
Unit price per
MSRP $42.99
BestAir 25 in. W X 16 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk — BA4-1625-8

BestAir 25 in. W X 16 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk — BA4-1625-8

Regular price $9.29 USD

Regular price Sale price $9.29 USD
Unit price per
MSRP $12.99
BestAir 25 in. W X 16 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk — HW1625-8R

BestAir 25 in. W X 16 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk — HW1625-8R

Regular price $21.16 USD

Regular price Sale price $21.16 USD
Unit price per
MSRP $26.99
BestAir 25 in. W X 20 in. H X 4 in. 13 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 20 in. H X 4 in. 13 MERV Pleated Air Filter 1 pk

Regular price $33.81 USD

Regular price Sale price $33.81 USD
Unit price per
MSRP $42.99
BestAir 25 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

BestAir 25 in. W X 20 in. H X 4 in. 8 MERV Pleated Air Filter 1 pk

Regular price $9.77 USD

Regular price Sale price $9.77 USD
Unit price per
MSRP $19.99
BestAir 32 oz Algae and Odor Treatment

BestAir 32 oz Algae and Odor Treatment

Regular price $7.41 USD

Regular price Sale price $7.41 USD
Unit price per
MSRP $9.99
BestAir 32 oz Humidifier Water Treatment Additive

BestAir 32 oz Humidifier Water Treatment Additive

Regular price $7.77 USD

Regular price Sale price $7.77 USD
Unit price per
MSRP $9.99
BestAir 64 oz Humidifier Bacteria Treatment

BestAir 64 oz Humidifier Bacteria Treatment

Regular price $10.64 USD

Regular price Sale price $10.64 USD
Unit price per
MSRP $13.99
BestAir A35W Replacement Water Pad For Specific Aprilaire and Honeywell Humidifiers

BestAir A35W Replacement Water Pad For Specific Aprilaire and Honeywell Humidifiers

Regular price $12.68 USD

Regular price Sale price $12.68 USD
Unit price per
MSRP $17.69
BestAir Replacement Water Pad For Aprilaire 110, 220, 550, 550A, 558; Honeywell HE220A/B, HE225A/B

BestAir Replacement Water Pad For Aprilaire 110, 220, 550, 550A, 558; Honeywell HE220A/B, HE225A/B

Regular price $11.39 USD

Regular price Sale price $11.39 USD
Unit price per
MSRP $14.99
BestAir Replacement Water Pad For Aprilaire 350, 360, 560A, 568, 600, 700, 760A, 768; Honeywell HE26

BestAir Replacement Water Pad For Aprilaire 350, 360, 560A, 568, 600, 700, 760A, 768; Honeywell HE26

Regular price $12.20 USD

Regular price Sale price $12.20 USD
Unit price per
MSRP $14.89
Deflect-O 3 in. L X 4 in. D Silver Aluminum Duct Connector

Deflect-O 3 in. L X 4 in. D Silver Aluminum Duct Connector

Regular price $1.48 USD

Regular price Sale price $1.48 USD
Unit price per
MSRP $1.84
Deflect-O 4 in. D Silver Aluminum Increaser/Reducer

Deflect-O 4 in. D Silver Aluminum Increaser/Reducer

Regular price $3.31 USD

Regular price Sale price $3.31 USD
Unit price per
Deflect-O 4 in. L X 4 in. D Silver Aluminum Vent Elbow

Deflect-O 4 in. L X 4 in. D Silver Aluminum Vent Elbow

Regular price $2.55 USD

Regular price Sale price $2.55 USD
Unit price per
MSRP $4.12
Deflect-O Jordan 12 in. H X 5 in. W 1-Way White ABS Plastic Register Cover

Deflect-O Jordan 12 in. H X 5 in. W 1-Way White ABS Plastic Register Cover

Regular price $8.99 USD

Regular price Sale price $8.99 USD
Unit price per
Deflect-O Jordan 24 in. L X 4 in. D Silver/White Aluminum Vent Pipe

Deflect-O Jordan 24 in. L X 4 in. D Silver/White Aluminum Vent Pipe

Regular price $3.09 USD

Regular price Sale price $3.09 USD
Unit price per
MSRP $3.49
Deflect-O Jordan 96 in. L X 4 in. D Silver Aluminum Semi-Rigid Vent Duct

Deflect-O Jordan 96 in. L X 4 in. D Silver Aluminum Semi-Rigid Vent Duct

Regular price $8.79 USD

Regular price Sale price $8.79 USD
Unit price per
MSRP $12.58
Dial Zoom Spout White Plastic Evaporative Cooler Oil

Dial Zoom Spout White Plastic Evaporative Cooler Oil

Regular price $5.23 USD

Regular price Sale price $5.23 USD
Unit price per
Eastman 1/2 in. FIP in. X 1/2 in. D MIP 48 in. Stainless Steel Gas Connector

Eastman 1/2 in. FIP in. X 1/2 in. D MIP 48 in. Stainless Steel Gas Connector

Regular price $25.17 USD

Regular price Sale price $25.17 USD
Unit price per
MSRP $49.78