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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Eastman 1/2 in. FIP in. X 1/2 in. D MIP 60 in. Stainless Steel Gas Connector

Eastman 1/2 in. FIP in. X 1/2 in. D MIP 60 in. Stainless Steel Gas Connector

Regular price $27.41 USD

Regular price Sale price $27.41 USD
Unit price per
MSRP $53.76
Eastman 1/2 in. MIP in. X 1/2 in. D FIP 36 in. Stainless Steel Gas Connector

Eastman 1/2 in. MIP in. X 1/2 in. D FIP 36 in. Stainless Steel Gas Connector

Regular price $22.59 USD

Regular price Sale price $22.59 USD
Unit price per
MSRP $44.68
Eastman 24 in. L Thermocouple

Eastman 24 in. L Thermocouple

Regular price $4.71 USD

Regular price Sale price $4.71 USD
Unit price per
MSRP $10.04
Eastman 30 in. L Thermocouple

Eastman 30 in. L Thermocouple

Regular price $5.16 USD

Regular price Sale price $5.16 USD
Unit price per
MSRP $10.96
Eastman 36 in. L Thermocouple

Eastman 36 in. L Thermocouple

Regular price $5.63 USD

Regular price Sale price $5.63 USD
Unit price per
MSRP $12.80
Easy Heat AHB 3 ft. L Heating Cable For Water Pipe

Easy Heat AHB 3 ft. L Heating Cable For Water Pipe

Regular price $28.28 USD

Regular price Sale price $28.28 USD
Unit price per
MSRP $31.19
Filtrete 14 in. W X 20 in. H X 1 in. 1000 MPR Pleated Allergen Air Filter 1 pk

Filtrete 14 in. W X 20 in. H X 1 in. 1000 MPR Pleated Allergen Air Filter 1 pk

Regular price $14.67 USD

Regular price Sale price $14.67 USD
Unit price per
MSRP $17.60
Filtrete 14 in. W X 20 in. H X 1 in. 1500 MPR Pleated Air Filter 1 pk

Filtrete 14 in. W X 20 in. H X 1 in. 1500 MPR Pleated Air Filter 1 pk

Regular price $21.40 USD

Regular price Sale price $21.40 USD
Unit price per
MSRP $25.67
Filtrete 14 in. W X 25 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Filtrete 14 in. W X 25 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Regular price $21.40 USD

Regular price Sale price $21.40 USD
Unit price per
MSRP $25.67
Filtrete 16 in. W X 20 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Filtrete 16 in. W X 20 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Regular price $21.29 USD

Regular price Sale price $21.29 USD
Unit price per
MSRP $25.67
Filtrete 16 in. W X 20 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete 16 in. W X 20 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter 1 pk

Regular price $8.60 USD

Regular price Sale price $8.60 USD
Unit price per
MSRP $12.80
Filtrete 16 in. W X 20 in. H X 1 in. Synthetic 2 MERV Flat Panel Filter 2 pk

Filtrete 16 in. W X 20 in. H X 1 in. Synthetic 2 MERV Flat Panel Filter 2 pk

Regular price $4.24 USD

Regular price Sale price $4.24 USD
Unit price per
MSRP $4.81
Filtrete 16 in. W X 25 in. H X 1 in. 1000 MPR Pleated Air Filter 2 pk

Filtrete 16 in. W X 25 in. H X 1 in. 1000 MPR Pleated Air Filter 2 pk

Regular price $27.51 USD

Regular price Sale price $27.51 USD
Unit price per
MSRP $32.04
Filtrete 16 in. W X 25 in. H X 1 in. 1000 MPR Pleated Allergen Air Filter 1 pk

Filtrete 16 in. W X 25 in. H X 1 in. 1000 MPR Pleated Allergen Air Filter 1 pk

Regular price $14.67 USD

Regular price Sale price $14.67 USD
Unit price per
MSRP $17.60
Filtrete 16 in. W X 25 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Filtrete 16 in. W X 25 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Regular price $21.29 USD

Regular price Sale price $21.29 USD
Unit price per
MSRP $25.67
Filtrete 16 in. W X 25 in. H X 1 in. 300 MPR Pleated Filter Dust 1 pk

Filtrete 16 in. W X 25 in. H X 1 in. 300 MPR Pleated Filter Dust 1 pk

Regular price $5.68 USD

Regular price Sale price $5.68 USD
Unit price per
MSRP $7.49
Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 1500 MPR Smart Air Filter 1 pk

Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 1500 MPR Smart Air Filter 1 pk

Regular price $27.35 USD

Regular price Sale price $27.35 USD
Unit price per
MSRP $31.64
Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 1900 MPR Pleated Allergen Air Filter 1 pk

Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 1900 MPR Pleated Allergen Air Filter 1 pk

Regular price $23.95 USD

Regular price Sale price $23.95 USD
Unit price per
MSRP $26.26
Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete 16 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter 1 pk

Regular price $8.60 USD

Regular price Sale price $8.60 USD
Unit price per
MSRP $12.80
Filtrete 16 in. W X 25 in. H X 1 in. Synthetic 2 MERV Flat Panel Filter 2 pk

Filtrete 16 in. W X 25 in. H X 1 in. Synthetic 2 MERV Flat Panel Filter 2 pk

Regular price $4.24 USD

Regular price Sale price $4.24 USD
Unit price per
MSRP $4.81
Filtrete 16 in. W X 25 in. H X 4-5/16 in. Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

Filtrete 16 in. W X 25 in. H X 4-5/16 in. Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

Regular price $35.29 USD

Regular price Sale price $35.29 USD
Unit price per
MSRP $37.75
Filtrete 20 in. W X 20 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Filtrete 20 in. W X 20 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Regular price $22.29 USD

Regular price Sale price $22.29 USD
Unit price per
MSRP $25.67
Filtrete 20 in. W X 25 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Filtrete 20 in. W X 25 in. H X 1 in. 1500 MPR Pleated Allergen Air Filter 1 pk

Regular price $21.29 USD

Regular price Sale price $21.29 USD
Unit price per
MSRP $25.67
Filtrete 20 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter 1 pk

Filtrete 20 in. W X 25 in. H X 1 in. Polypropylene 700 MPR Pleated Air Filter 1 pk

Regular price $8.60 USD

Regular price Sale price $8.60 USD
Unit price per
MSRP $12.80
Filtrete 20 in. W X 25 in. H X 1 in. Synthetic 2 MERV Flat Panel Filter 2 pk

Filtrete 20 in. W X 25 in. H X 1 in. Synthetic 2 MERV Flat Panel Filter 2 pk

Regular price $4.24 USD

Regular price Sale price $4.24 USD
Unit price per
MSRP $4.81
Filtrete 20 in. W X 25 in. H X 4 in. Pleated 1000 MPR Pleated Allergen Air Filter 1 pk

Filtrete 20 in. W X 25 in. H X 4 in. Pleated 1000 MPR Pleated Allergen Air Filter 1 pk

Regular price $25.79 USD

Regular price Sale price $25.79 USD
Unit price per
MSRP $27.63
Filtrete 20 in. W X 25 in. H X 4 in. Polyester 12 MERV Pleated Allergen Air Filter 1 pk

Filtrete 20 in. W X 25 in. H X 4 in. Polyester 12 MERV Pleated Allergen Air Filter 1 pk

Regular price $35.29 USD

Regular price Sale price $35.29 USD
Unit price per
MSRP $37.75
Filtrete Allergen Defense 14 in. W X 25 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Filtrete Allergen Defense 14 in. W X 25 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Regular price $15.28 USD

Regular price Sale price $15.28 USD
Unit price per
MSRP $17.60
Filtrete Allergen Defense 16 in. W X 20 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Filtrete Allergen Defense 16 in. W X 20 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Regular price $14.67 USD

Regular price Sale price $14.67 USD
Unit price per
MSRP $17.60
Filtrete Allergen Defense 16 in. W X 25 in. H X 4 in. Pleated 1000 MPR Pleated Allergen Air Filter 1

Filtrete Allergen Defense 16 in. W X 25 in. H X 4 in. Pleated 1000 MPR Pleated Allergen Air Filter 1

Regular price $25.79 USD

Regular price Sale price $25.79 USD
Unit price per
MSRP $27.63
Filtrete Allergen Defense 20 in. W X 20 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Filtrete Allergen Defense 20 in. W X 20 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Regular price $14.67 USD

Regular price Sale price $14.67 USD
Unit price per
MSRP $17.60
Filtrete Allergen Defense 20 in. W X 25 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Filtrete Allergen Defense 20 in. W X 25 in. H X 1 in. 1000 MPR Pleated Air Filter 1 pk

Regular price $14.67 USD

Regular price Sale price $14.67 USD
Unit price per
MSRP $17.60
Filtrete Ultra 20 in. W X 25 in. H X 5 in. Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

Filtrete Ultra 20 in. W X 25 in. H X 5 in. Polyester 1550 MPR Pleated Allergen Air Filter 1 pk

Regular price $40.92 USD

Regular price Sale price $40.92 USD
Unit price per
MSRP $43.88
Flanders EZ Flow II 10 in. W X 20 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Flanders EZ Flow II 10 in. W X 20 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Regular price $2.47 USD

Regular price Sale price $2.47 USD
Unit price per
MSRP $4.59
Flanders EZ Flow II 10 in. W X 24 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Flanders EZ Flow II 10 in. W X 24 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Regular price $2.76 USD

Regular price Sale price $2.76 USD
Unit price per
MSRP $3.59
Flanders EZ Flow II 12 in. W X 12 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Flanders EZ Flow II 12 in. W X 12 in. H X 1 in. Fiberglass 1 MERV Air Filter 1 pk

Regular price $2.19 USD

Regular price Sale price $2.19 USD
Unit price per
MSRP $3.99