23 7300 - Air Handling Units
23 0580 - HVAC Coil Anti-Corrosion Coatings
23 8100 - Unitary Air Conditioning Equipment - including residential furnaces and a/c units
- Air Enterprises
- AirPac Inc.
- Applied Air Products - Premium quality equipment to heat, cool, filter the air in your commercial or industrial building.
- Aspen Manufacturing
- Cambridge Engineering
- Carrier Corporation
- ClimateCraft - Custom air handling units used in most healthcare, institutional, commercial and industrial applications.
- Daikin Applied
- Energy Saving Products
- Engineered Air
- Environmental Air Systems
- Governair Corp. - Large custom chilled water and DX air-handlers, factory installed pump, piping, controls and power-wiring.
- Hastings HVAC
- HUNTAIR, Inc. - Custom DX and chilled-water air-handlers. Fanwall Technology, make-up air-handers; factory engineered unit controls.
- Johnson MarCraft
- KEES - Indoor air handling units in modular design, 600 to 30,000 cfm, horizontal, vertical or inverted arrangements.
- Mammoth - Custom air conditioning systems, innovation, energy efficiency, low sound levels and long-lasting products.
- Mars Air Systems
- Temtrol - Custom air-handlers, central station air-handlers, fan coils, OEM heating and cooling coils.
- Trane - Trane is a manufacturer of air conditioning equipment, controls, service and parts for commercial buildings.
- United Metal Products
- Venmar CES - Energy-recovery ventilation systems with wheel, heat pipe, plate air-to-air heat exchangers, integrated dedicated outdoor air.
- Ventrol Air Handling Systems - Custom air-handlers, central station air-handlers in any configuration, knock-down constructions and hybrid foam thermal break.
- York International Corporation