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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Mr. Heater 450 sq ft Propane Patio Heater 18000 BTU

Mr. Heater 450 sq ft Propane Patio Heater 18000 BTU

Regular price $151.73 USD

Regular price Sale price $151.73 USD
Unit price per
MSRP $159.99
Mr. Heater 7/8 in. D Brass Female P.O.L. x Male Plug Propane Cylinder Fill Plug

Mr. Heater 7/8 in. D Brass Female P.O.L. x Male Plug Propane Cylinder Fill Plug

Regular price $8.12 USD

Regular price Sale price $8.12 USD
Unit price per
MSRP $9.04
Mr. Heater 9/16 in. D Brass Cylinder Adapter

Mr. Heater 9/16 in. D Brass Cylinder Adapter

Regular price $11.55 USD

Regular price Sale price $11.55 USD
Unit price per
MSRP $12.37
Mr. Heater 9/16 in. D Brass Restricted Flow Soft Nose P.O.L. Cylinder Adapter

Mr. Heater 9/16 in. D Brass Restricted Flow Soft Nose P.O.L. Cylinder Adapter

Regular price $7.63 USD

Regular price Sale price $7.63 USD
Unit price per
MSRP $8.25
Mr. Heater Brass Thermocouple Lead

Mr. Heater Brass Thermocouple Lead

Regular price $7.72 USD

Regular price Sale price $7.72 USD
Unit price per
MSRP $14.99
Mr. Heater Brass/Plastic Propane Gauge / Leak Detector

Mr. Heater Brass/Plastic Propane Gauge / Leak Detector

Regular price $24.47 USD

Regular price Sale price $24.47 USD
Unit price per
Mr. Heater Brass/Plastic Restricted Flow Soft Nose P.O.L. Cylinder Adapter

Mr. Heater Brass/Plastic Restricted Flow Soft Nose P.O.L. Cylinder Adapter

Regular price $14.20 USD

Regular price Sale price $14.20 USD
Unit price per
MSRP $16.09
Mr. Heater Brass/Plastic Thermocouple Lead

Mr. Heater Brass/Plastic Thermocouple Lead

Regular price $7.27 USD

Regular price Sale price $7.27 USD
Unit price per
MSRP $9.49
Mr. Heater Buddy Flex 11,000 Btu/h 275 sq ft Radiant Propane Portable Heater

Mr. Heater Buddy Flex 11,000 Btu/h 275 sq ft Radiant Propane Portable Heater

Regular price $169.99 USD

Regular price Sale price $169.99 USD
Unit price per
MSRP $189.99
Mr. Heater Comfort Collection 1000 sq ft 30000 BTU Electric Wall Heater Fan

Mr. Heater Comfort Collection 1000 sq ft 30000 BTU Electric Wall Heater Fan

Regular price $26.64 USD

Regular price Sale price $26.64 USD
Unit price per
MSRP $49.99
Mr. Heater Comfort Collection 1000 sq ft 30000 BTU Natural Gas Wall Heater

Mr. Heater Comfort Collection 1000 sq ft 30000 BTU Natural Gas Wall Heater

Regular price $303.45 USD

Regular price Sale price $303.45 USD
Unit price per
MSRP $319.99
Mr. Heater Comfort Collection 20000 Btu/h 700 sq ft Radiant Natural Gas/Liquid Propane Heater

Mr. Heater Comfort Collection 20000 Btu/h 700 sq ft Radiant Natural Gas/Liquid Propane Heater

Regular price $285.59 USD

Regular price Sale price $285.59 USD
Unit price per
Mr. Heater Comfort Collection 30000 Btu/h 1000 sq ft Radiant Propane Heater

Mr. Heater Comfort Collection 30000 Btu/h 1000 sq ft Radiant Propane Heater

Regular price $329.99 USD

Regular price Sale price $329.99 USD
Unit price per
Mr. Heater Heating Dial Thermostat

Mr. Heater Heating Dial Thermostat

Regular price $49.21 USD

Regular price Sale price $49.21 USD
Unit price per
MSRP $55.07
Mr. Heater Little Buddy 95 sq ft Propane Radiant Portable Heater 3800 BTU

Mr. Heater Little Buddy 95 sq ft Propane Radiant Portable Heater 3800 BTU

Regular price $79.99 USD

Regular price Sale price $79.99 USD
Unit price per
Mr. Heater Plastic Propane Tank Holder

Mr. Heater Plastic Propane Tank Holder

Regular price $7.97 USD

Regular price Sale price $7.97 USD
Unit price per
MSRP $8.43
Mr. Heater Plastic Tank Stabilizer

Mr. Heater Plastic Tank Stabilizer

Regular price $5.61 USD

Regular price Sale price $5.61 USD
Unit price per
Mr. Heater Propane Connection Kit 1 pk

Mr. Heater Propane Connection Kit 1 pk

Regular price $51.91 USD

Regular price Sale price $51.91 USD
Unit price per
Mr. Heater Propane Convection Tank Top Heater 45000 BTU

Mr. Heater Propane Convection Tank Top Heater 45000 BTU

Regular price $135.61 USD

Regular price Sale price $135.61 USD
Unit price per
Mr. Heater Steel Low Pressure Regulator

Mr. Heater Steel Low Pressure Regulator

Regular price $14.47 USD

Regular price Sale price $14.47 USD
Unit price per
MSRP $16.23
MRCOOL Lineguard Mini Split Install Kit 4-1/2 in. W X 144 in. H White

MRCOOL Lineguard Mini Split Install Kit 4-1/2 in. W X 144 in. H White

Regular price $120.13 USD

Regular price Sale price $120.13 USD
Unit price per
MSRP $132.00
NaturalAire 12 in. W X 20 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

NaturalAire 12 in. W X 20 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

Regular price $4.63 USD

Regular price Sale price $4.63 USD
Unit price per
MSRP $6.99
NaturalAire 14 in. W X 20 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

NaturalAire 14 in. W X 20 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

Regular price $11.15 USD

Regular price Sale price $11.15 USD
Unit price per
MSRP $12.99
NaturalAire 14 in. W X 20 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

NaturalAire 14 in. W X 20 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

Regular price $4.75 USD

Regular price Sale price $4.75 USD
Unit price per
MSRP $7.59
NaturalAire 15 in. W X 24 in. H X 1/4 in. Aluminum 4 MERV Air Conditioner Filter 1 pk

NaturalAire 15 in. W X 24 in. H X 1/4 in. Aluminum 4 MERV Air Conditioner Filter 1 pk

Regular price $8.70 USD

Regular price Sale price $8.70 USD
Unit price per
NaturalAire 16 in. W X 20 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

NaturalAire 16 in. W X 20 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

Regular price $10.60 USD

Regular price Sale price $10.60 USD
Unit price per
MSRP $12.99
NaturalAire 16 in. W X 25 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

NaturalAire 16 in. W X 25 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

Regular price $10.60 USD

Regular price Sale price $10.60 USD
Unit price per
MSRP $12.99
NaturalAire 20 in. W X 22 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

NaturalAire 20 in. W X 22 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

Regular price $10.77 USD

Regular price Sale price $10.77 USD
Unit price per
MSRP $12.99
NaturalAire 20 in. W X 24 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

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

Regular price $5.65 USD

Regular price Sale price $5.65 USD
Unit price per
MSRP $7.59
NaturalAire 20 in. W X 25 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

NaturalAire 20 in. W X 25 in. H X 1 in. Synthetic 10 MERV Pleated Microparticle Air Filter 1 pk

Regular price $13.72 USD

Regular price Sale price $13.72 USD
Unit price per
MSRP $14.99
NaturalAire 30 in. W X 30 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

NaturalAire 30 in. W X 30 in. H X 1 in. Synthetic 8 MERV Pleated Air Filter 1 pk

Regular price $16.09 USD

Regular price Sale price $16.09 USD
Unit price per
MSRP $19.99
O2Cool 12.8 in. H X 10 in. D 2 speed Personal Fan

O2Cool 12.8 in. H X 10 in. D 2 speed Personal Fan

Regular price $28.05 USD

Regular price Sale price $28.05 USD
Unit price per
MSRP $29.99
O2Cool 4.72 in. H X 3 in. D 1 speed Misting Fan

O2Cool 4.72 in. H X 3 in. D 1 speed Misting Fan

Regular price $6.03 USD

Regular price Sale price $6.03 USD
Unit price per
MSRP $7.99
O2Cool 6.29 in. H X 5 in. D 2 speed Personal Fan

O2Cool 6.29 in. H X 5 in. D 2 speed Personal Fan

Regular price $10.13 USD

Regular price Sale price $10.13 USD
Unit price per
O2Cool Deluxe Necklace 6.69 in. H X 2.5 in. D 1 speed Personal Fan

O2Cool Deluxe Necklace 6.69 in. H X 2.5 in. D 1 speed Personal Fan

Regular price $6.81 USD

Regular price Sale price $6.81 USD
Unit price per
MSRP $9.99
Pamlico Air 10 in. W X 20 in. H X 1 in. Fiberglass 4 MERV Air Filter 1 pk

Pamlico Air 10 in. W X 20 in. H X 1 in. Fiberglass 4 MERV Air Filter 1 pk

Regular price $4.28 USD

Regular price Sale price $4.28 USD
Unit price per