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.

Sort by Category

Imperial 5 in. D X 60 in. L Galvanized Steel Furnace Pipe

Imperial 5 in. D X 60 in. L Galvanized Steel Furnace Pipe

Regular price $15.16 USD

Regular price Sale price $15.16 USD
Unit price per
MSRP $19.99
$15.16 each · $151.60 per pack of 10
Imperial 5 in. X 5 in. X 5 in. Galvanized Steel Furnace Pipe Tee

Imperial 5 in. X 5 in. X 5 in. Galvanized Steel Furnace Pipe Tee

Regular price $20.35 USD

Regular price Sale price $20.35 USD
Unit price per
MSRP $30.99
Imperial 6 in. D 24 Ga. Steel Stove Pipe Trim Collar

Imperial 6 in. D 24 Ga. Steel Stove Pipe Trim Collar

Regular price $6.40 USD

Regular price Sale price $6.40 USD
Unit price per
MSRP $10.99
Imperial 6 in. D 26 Ga. Galvanized Steel Round Starting Collar

Imperial 6 in. D 26 Ga. Galvanized Steel Round Starting Collar

Regular price $7.52 USD

Regular price Sale price $7.52 USD
Unit price per
MSRP $8.99
$7.52 each · $45.12 per pack of 6
Imperial 6 in. D 26 Ga. Galvanized Steel Storm Collar

Imperial 6 in. D 26 Ga. Galvanized Steel Storm Collar

Regular price $9.97 USD

Regular price Sale price $9.97 USD
Unit price per

$9.97 each · $59.82 per pack of 6
Imperial 6 in. D Galvanized Steel Adjustable Fireplace Roof Flashing

Imperial 6 in. D Galvanized Steel Adjustable Fireplace Roof Flashing

Regular price $24.39 USD

Regular price Sale price $24.39 USD
Unit price per
MSRP $32.99
$24.39 each · $73.17 per pack of 3
Imperial 6 in. D Galvanized Steel Duct Adapter

Imperial 6 in. D Galvanized Steel Duct Adapter

Regular price $8.85 USD

Regular price Sale price $8.85 USD
Unit price per
MSRP $9.99
$8.85 each · $53.10 per pack of 6
Imperial 6 in. D Galvanized Steel Stove Pipe Top Take-Off

Imperial 6 in. D Galvanized Steel Stove Pipe Top Take-Off

Regular price $15.44 USD

Regular price Sale price $15.44 USD
Unit price per
MSRP $20.99
$15.44 each · $92.64 per pack of 6
Imperial 6 in. D Steel Stove Pipe Adapter

Imperial 6 in. D Steel Stove Pipe Adapter

Regular price $16.03 USD

Regular price Sale price $16.03 USD
Unit price per
MSRP $17.99
Imperial 6 in. D Steel Stove Pipe Cap

Imperial 6 in. D Steel Stove Pipe Cap

Regular price $10.57 USD

Regular price Sale price $10.57 USD
Unit price per
MSRP $18.99
Imperial 6 in. D X 12 in. L Steel Stove Pipe

Imperial 6 in. D X 12 in. L Steel Stove Pipe

Regular price $7.11 USD

Regular price Sale price $7.11 USD
Unit price per
MSRP $9.99
$7.11 each · $71.10 per pack of 10
Imperial 6 in. D X 12 in. L Steel Stove Pipe Slip Connector

Imperial 6 in. D X 12 in. L Steel Stove Pipe Slip Connector

Regular price $8.08 USD

Regular price Sale price $8.08 USD
Unit price per
MSRP $14.99
Imperial 6 in. D X 24 in. L Galvanized Steel Furnace Pipe

Imperial 6 in. D X 24 in. L Galvanized Steel Furnace Pipe

Regular price $12.75 USD

Regular price Sale price $12.75 USD
Unit price per
MSRP $15.99
$12.75 each · $127.50 per pack of 10
Imperial 6 in. D X 3 in. D Galvanized Steel Furnace Pipe Reducer

Imperial 6 in. D X 3 in. D Galvanized Steel Furnace Pipe Reducer

Regular price $9.80 USD

Regular price Sale price $9.80 USD
Unit price per
MSRP $12.99
Imperial 6 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer

Imperial 6 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer

Regular price $10.87 USD

Regular price Sale price $10.87 USD
Unit price per
MSRP $15.99
Imperial 6 in. D X 5 in. D Galvanized Steel Stove Pipe Reducer

Imperial 6 in. D X 5 in. D Galvanized Steel Stove Pipe Reducer

Regular price $18.40 USD

Regular price Sale price $18.40 USD
Unit price per
MSRP $21.99
Imperial 6 in. D X 6 in. D Adjustable 90 deg Galvanized Steel Furnace Pipe Elbow

Imperial 6 in. D X 6 in. D Adjustable 90 deg Galvanized Steel Furnace Pipe Elbow

Regular price $8.53 USD

Regular price Sale price $8.53 USD
Unit price per
MSRP $10.99
$8.53 each · $68.24 per pack of 8
Imperial 6 in. D X 60 in. L Galvanized Steel Furnace Pipe

Imperial 6 in. D X 60 in. L Galvanized Steel Furnace Pipe

Regular price $15.61 USD

Regular price Sale price $15.61 USD
Unit price per
MSRP $21.99
$15.61 each · $156.10 per pack of 10
Imperial 6 in. D X 7 in. D Galvanized Steel Furnace Pipe Increaser

Imperial 6 in. D X 7 in. D Galvanized Steel Furnace Pipe Increaser

Regular price $10.52 USD

Regular price Sale price $10.52 USD
Unit price per
MSRP $16.99
Imperial 6 in. D X 7 in. D Galvanized Steel Stove Pipe Increaser

Imperial 6 in. D X 7 in. D Galvanized Steel Stove Pipe Increaser

Regular price $16.99 USD

Regular price Sale price $16.99 USD
Unit price per
MSRP $21.99
Imperial 6 in. D X 7 in. L Steel Stove Connector

Imperial 6 in. D X 7 in. L Steel Stove Connector

Regular price $13.37 USD

Regular price Sale price $13.37 USD
Unit price per
MSRP $19.99
Imperial 6 in. D X 8 in. D Galvanized Steel Furnace Pipe Increaser

Imperial 6 in. D X 8 in. D Galvanized Steel Furnace Pipe Increaser

Regular price $11.57 USD

Regular price Sale price $11.57 USD
Unit price per
MSRP $17.99
Imperial 6 in. D X 8 in. D Galvanized Steel Stove Pipe Increaser

Imperial 6 in. D X 8 in. D Galvanized Steel Stove Pipe Increaser

Regular price $19.01 USD

Regular price Sale price $19.01 USD
Unit price per
MSRP $24.99
Imperial 6 in. X 6 in. X 6 in. Galvanized Steel Furnace Pipe Tee

Imperial 6 in. X 6 in. X 6 in. Galvanized Steel Furnace Pipe Tee

Regular price $21.11 USD

Regular price Sale price $21.11 USD
Unit price per
MSRP $32.99
Imperial 6 in. X 6 in. X 6 in. Galvanized Steel Vent Tee Cap

Imperial 6 in. X 6 in. X 6 in. Galvanized Steel Vent Tee Cap

Regular price $8.45 USD

Regular price Sale price $8.45 USD
Unit price per
MSRP $10.99
Imperial 6 in. X 6 in. X 6 in. Steel Stove Vent Single Tee

Imperial 6 in. X 6 in. X 6 in. Steel Stove Vent Single Tee

Regular price $24.76 USD

Regular price Sale price $24.76 USD
Unit price per
MSRP $32.99
Imperial 7 in. D 24 Ga. Steel Stove Pipe Trim Collar

Imperial 7 in. D 24 Ga. Steel Stove Pipe Trim Collar

Regular price $6.41 USD

Regular price Sale price $6.41 USD
Unit price per
MSRP $10.99
Imperial 7 in. D 28 Ga. Galvanized Steel Round Starting Collar

Imperial 7 in. D 28 Ga. Galvanized Steel Round Starting Collar

Regular price $4.64 USD

Regular price Sale price $4.64 USD
Unit price per
MSRP $6.99
$4.64 each · $46.40 per pack of 10
Imperial 7 in. D Cast Iron Damper

Imperial 7 in. D Cast Iron Damper

Regular price $6.41 USD

Regular price Sale price $6.41 USD
Unit price per
MSRP $10.59
Imperial 7 in. D Galvanized Steel Crimped Pipe End Cap

Imperial 7 in. D Galvanized Steel Crimped Pipe End Cap

Regular price $7.27 USD

Regular price Sale price $7.27 USD
Unit price per
MSRP $12.99
Imperial 7 in. D X 24 in. L Galvanized Steel Furnace Pipe

Imperial 7 in. D X 24 in. L Galvanized Steel Furnace Pipe

Regular price $12.33 USD

Regular price Sale price $12.33 USD
Unit price per
MSRP $14.99
$12.33 each · $123.30 per pack of 10
Imperial 7 in. D X 24 in. L Galvanized Steel Furnace Pipe

Imperial 7 in. D X 24 in. L Galvanized Steel Furnace Pipe

Regular price $10.11 USD

Regular price Sale price $10.11 USD
Unit price per
MSRP $12.99
$10.11 each · $101.10 per pack of 10
Imperial 7 in. D X 24 in. L Steel Stove Pipe

Imperial 7 in. D X 24 in. L Steel Stove Pipe

Regular price $15.81 USD

Regular price Sale price $15.81 USD
Unit price per
MSRP $18.99
$15.81 each · $158.10 per pack of 10
Imperial 7 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer

Imperial 7 in. D X 5 in. D Galvanized Steel Furnace Pipe Reducer

Regular price $11.37 USD

Regular price Sale price $11.37 USD
Unit price per
MSRP $15.99
Imperial 7 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer

Imperial 7 in. D X 6 in. D Galvanized Steel Furnace Pipe Reducer

Regular price $11.55 USD

Regular price Sale price $11.55 USD
Unit price per
MSRP $18.99
Imperial 7 in. D X 6 in. D Galvanized Steel Stove Pipe Reducer

Imperial 7 in. D X 6 in. D Galvanized Steel Stove Pipe Reducer

Regular price $15.56 USD

Regular price Sale price $15.56 USD
Unit price per
MSRP $21.99