AC Guard Inc. | AC Condenser Security Cages / Anti-theft Devices | 
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Aeroflex USA | Pipe Insulation | 
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AeroSys Inc. | Through The Wall Heat Pumps; Through The Wall Condensing Units; Chilled Water Air Handlers; Ceiling Mounted Computer Room Cooling; Refrigerant Reclaim. | 
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Air Products and Controls (A Division of Apollo America) | Duct Smoke Detectors | 
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Airgas Industrial Gases | Industrial Cylinder Gases - Related Services & Equipment | 
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Airgas Refrigerants | Refrigerant |
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Airgas ReKlaim | Reclamation |  
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Allstyle Coil Company | Evaporator Coils, Condensing Units, Air Handlers, Gas Furnaces, Commercial Coils up to 20 tons | 
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Aprilaire (Research Product Corp.) | IAQ Products | 
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Armacell | Pipe Insulation | 
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Accumetric (Boss Products) | Sealants, Adhesives & Fire Protection | 
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ATCO Rubber Products, Inc. | Flexible Duct and Sleeve | 
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Bacchus Cellar Systems | WIne Cellar Refrigeration | 
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Bacharach Inc. | Combustion Analyzers, Test & Measurement Instrumentation | 
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Berry Plastics -Nashua & Polyken | Tapes and Adhesives | 
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Bosch Water Heat | Tankless Water Heaters | 
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Broan-NuTone | Fans, IAQ, Central Vac, Speakers, Trash Compactors | 
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Builder's Best, Inc. | Dryer Venting & General Venting | 
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C&S Mfg./Basset Products | Support & Installation Products | 
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Cambridge-Lee | Line Sets, Copper Tubing | 
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Carlisle HVAC Products (Hardcast) | Duct Sealer | 
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CertainTeed | Duct Board, Liner & Wrap | 
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Centrotherm Eco Systems | Polypropylene vent for High Efficiency Heating Appliances. Available in Single Wall, Flexible and Coaxial vents. | 
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CLARCOR | HVAC Air Filters | 
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CLC/Custom LeatherCraft | Tool Belts & Totes, Kneepads, Rain Gear, Gloves, and Misc. Acc. | 
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ClenAir Manufacturing | Odor Neutralizing Products for HVAC | 
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CMC Howell Metal Company | Line Sets, Copper Tubing, Refrigeration Coils, Steel Pipe | 
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Continental Industries | Grilles, Registers & Diffusers | 
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Cooper-Atkins Corp. | Elec & Mech Thermometers, Timers, Hygrometers, Instrumentation | 
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Cooper B-Line | Strut and Fittings, Vibra Clamps, Hangers & Spring Steel Fasteners | 
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CPS Products | Tools & Equipment | 
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Crown Boiler Co. | Boilers, Indirect Water Heaters, Hydronic Air Handlers, Furnaces & A/C | 
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Diversitech | Pads, Chemicals, Fittings, etc. | 
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Dormont | Gas Connectors & Accessories | 
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Dundas Jafine, Inc. | Dryer, Kitchen & Bathroom Venting Products | 
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Duro Dyne | Zone Controls, Connectors and Fasteners | 
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Edge Eyewear | Safety Eyewear | 
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Empire Comfort Systems, Inc. | Residential Zone Heating Products | 
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Enerco Technical Products | Portable Heaters | 
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ERICO, Inc | CADDY Mechanical Hangers & Strut |  
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Esmark Steel Group | Galvanized Steel (Coils & Sheets) | 
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EWC Controls, Inc. | Forced Air Zone Controls | 
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Fantech | Bathroom and Commercial Fans | 
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Field Controls | Draft, Venting and Combustion Air Technology | 
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Five Two One, Inc. | Compressor Saver, Compressor Start Kits | 
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Flanders ~ Precisionaire | HVAC Air Filters | 
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FLEXCON Industries | Expansion Tanks and Well Tanks | 
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Franklin Electric (Little Giant) | Condensate Pumps | 
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Gastite | Flexible Gas Piping Systems (CSST) | 
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General Filters | IAQ Productsnd Name. | 
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Grässlin/Intermatic Inc. | Time & Energy Controls, Defrost & General Purpose Time Controls | 
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Gray Metal Products Gray Metal South Snap-Rite Mfg. | Sheet Metal, Pipe & Fittings | 
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Harris Products Group (J.W. Harris) | Brazing & Soldering Alloys, Fluxes and Torches | 
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Hart & Cooley AMP-American Metal Products Selkirk | GRD’s, Gas Vent, Chimney, Flex Duct, Zoning Duct Components, Portals Plus, Roof Curbs, UV lights | 
  
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Heat Controller, Inc. (Comfort-Aire) | Residential & Commercial HVAC Equipment | 
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Holyoke Fittings, Inc. | Brass Flare, Compression, Hose & Tube Fitting | 
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Honeywell Controls ECC | Thermostats, Controls, IAQ Products | 
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Honeywell Genesis Cable | Thermostat Wire | 
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Honeywell Genetron | Refrigerants |
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Invensys Controls | HVACR Controls |   |
IRWIN Industrial Tools | Hand Tools and Power Tool Accessories | 
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Jason Industrial | Belts, Pulley & Sheaves | 
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JB Industries | HVACR Service Tools | 
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Johns Manville | Duct Board, Liner & Wrap | 
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Legend Valves Legend Hydronics | Valves & Malleable Fittings | 
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LENOX Industrial Tools | Blades and Tools | 
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LG Electronics USA, Inc. | Ductless Mini-Splits, PTAC, Through-the-Wall Air Conditioners | 
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Lochinvar, LLC | Residential Boilers and Indirect Water Heaters | 
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Majestic Steel USA | Flat Stock and Coils | 
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Malco Products Inc. | Screws & Fasteners, Hand Tools | 
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MARS | Electrical & Mechanical Components | 
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McDaniel Metals, Inc. | Filter Housings, Roof Curbs & Adapters, Plenums, Transitions, Pans | 
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Metal-Fab Inc. | Grilles, Registers, Venting Products | 
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Mill-Rose Company | Brushing Tools, Abrasives, Accessories | 
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Mueller Industries | Copper Tube, Fittings, Line Sets, Valves | 
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NCA Mfg. | Louvers, Dampers (UPL) - Fire, Smoke, Fire/Smoke, Radiation, Control Dampers , Life Safety Products. | 
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Neuco. Inc. | HVACR & Combustion Controls | 
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Nidec Motor Corp. (formerly Emerson Motors) | HVACR Motors | 
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NORITZ America | Tankless H2O Heaters - Commercial, Residential, Wall Hung Boilers | 
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Nu-Calgon | Specialty Chemical Products | 
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Oatey SCS | Oatey, Hercules, Cherne & Dearborn Brass/Tuber Brands | 
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Packard Inc. | HVACR motors, draft inducers, run and start capacitors, compressors, condensing units, line components, fan blades, blower wheels, seals, mounting hardware, misc HVACR accessories | 
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Panasonic Air Conditioning Group (formerly Sanyo North America/HVAC) | Ductless Split Systems | 
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Polymer Adhesives Sealant | HVAC Sealants and Adhesives | 
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Quick-Sling, LLC | Hangers and stands for virtually all air-handlers and furnaces. | 
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Quietside | Mini-Split Air Conditioning | 
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Rectorseal | Condensate shut-off switches and traps, hard-start kits, mini-split condensate pumps, coil cleaners, thread sealants, oil heating chemicals, compressor burnout acid neutralizer, lineset flushing solvent, locking refrigerant caps, lineset ducting. | 
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Reflectix | Reflective Insulation Products | 
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Regal Beloit Distribution (A.O. Smith/Century) | HVAC Motors | 
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REHAU Construction LLC | Pex Tube & Radiant Heat Systems | 
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RGF Environmental Group, Inc. | IAQ, Air Purification (patented technologies) | 
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Ritchie YELLOW JACKET | Refrigeration Tools | 
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Roth Industries | PEX Tube, Radiant Heating Systems, Storage Tanks | 
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Schwank USA Inc. | Gas Fired Infrared Heaters and InfraSave Radiant Heaters | 
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Sealed Unit Parts Co. (SUPCO) | HVACR Tools, Instruments & Components | 
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Sila-Seal | Silicone Sealants & Firestop | 
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Soler & Palau USA (S&P) | Inline, Sidewall, Roof Fans & Wall Ventilators | 
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Southwark Metal Mfg. Co. | Sheet Metal Components. | 
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Taco, Inc. | Circulators, Hydronic Controls & System Accessories | 
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Thermaflex/Flexible Technologies | Flex Duct and Sleeve | 
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Thermo Manufacturing, Inc. | Thermopan, Thermo Reflect Insulation, Thermo Accessories | 
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Tigre USA, Inc. | PVC Pipe Fittings | 
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TracPipe / OmegaFlex | Flexible Gas Piping Systems (CSST) | 
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TurboTorch (Thermadyne Co) | Brazing & Soldering Equipment | 
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TUTCO Heating Solutions Group | Electric Heat Kits, Electric Duct Heaters and Compressor Heaters | 
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UEi Test Instruments | Test Instruments | 
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Ultravation, Inc. | Commercial and Residential Water and Air Purification Products | 
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Unico, Inc. | Small Duct Central Heating & A/C and UniChiller RC | 
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United Pipe and Steel Corp | Carbon Steel and Plastic Pipe, Conduit, All Thread Rod, Strut | 
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Uniweld | Flame tools - welding, brazing, cutting & heating equipment and accessories | 
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Utility Enterprises | Chemicals for Plumbing, HVAC & Jan/San Industries
| 
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Venture Tape Corporation | Tapes & Adhesives | 
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Vibration Management Corp. (VIMCO) | Vibration and noise isolation products, piping and ducting accessories and seismic restraints | 
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Watts Regulator Co. | HVAC & Hydronics Products | 
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Webstone Company, Inc. | Specialty Ball Valves & Assemblies | 
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White-Rodgers | Controls and Thermostats | 
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Williams | Furnaces, Fan Coils, Air Handlers | 
 
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Williamson-Thermoflo | Oil & Gas Boilers & Furnaces, Indirect Water Heaters, A/C Products | 
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Wolverine Joining Technologies | Braze, Solder & Flux Products | 
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Z-Flex US | Chimney Liners & Venting Systems | 
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