| HARRY ALTER LINE CARD |
 | Air Treatment Products |
| Air Cleaners |
| Filters |
| Humidifiers |
| RGF – PHI Cell Air Purifier |
| UV Lights |
 | Air Handlers |
| First Company |
| Multiaqua |
| Payne |
 | Baseboard Radiation |
| Cast Iron |
 | Belts |
 | Boilers |
| IBC – Residential & Commercial-Condensing |
| Bryant/Carrier – Hot Water – Steam |
| HTP/Munchkin/Elite – Stainless Condensing |
| Utica – Residential & Commercial- |
| Hot Water – Steam – Condensing |
 | Brass Fittings |
 | Brazing Products |
 | Chillers |
| Carrier |
| Multiaqua – Air Cooled |
| Standard Refrigeration – Chiller Barrels |
 | Chemicals |
| Big Blue – Leak detector |
| J.W. Harris – Solders |
| LACO – Teflon Paste |
| Loctite – Refrig. Thread Sealant |
| Nu-Calgon – Seal-Loc |
| Nuflex – Silicone Sealants and Fire Stop Caulks |
 | Chimney Liners |
 | Condensing Units |
| First Company – Thru-the-Wall |
| Payne – Air Conditioning |
| Tecumseh – Refrigeration |
 | Compressors |
| Carlyle – Semi-Hermetic |
| Copeland Air Conditioning |
| Danfoss – Large Scroll |
| Tecumseh – Refrigeration & A/C |
| Totaline |
 | Controls |
| Alco |
| Honeywell – Relays – Aquastats – Limits |
| Nix – Pump and Zone Relays |
| Ranco |
| Tekmar – Digital Controllers |
| White Rodgers |
 | Coils |
| ADP – Evaporator Coils Residential |
| Payne – Evaporator Coils |
| Tecumseh – Refrigeration Coils |
 | Duct Furnaces |
| Sterling |
 | Duct Free Split Systems |
| Bryant/Carrier |
| First Company – Chilled Water – DX |
| Multiaqua |
| SANYO – Single and Multizone |
 | Electrical Fittings, Conduit, BX |
 | Energy Recovery Ventilators |
| Lifebreath - Fixed Plate, Residential, Commercial |
| MicroMetl - Wheels and Fixed Plate - Commercial |
 | Expansion Tanks – Diaphragm |
| Honeywell |
 | Fan Coils |
| Bryant/Carrier |
| First Company – DX & CW |
| Multiaqua – Chilled Water & DX |
 | Exhaust Fans |
| Air Master – Commercial |
| Quantum – In Line Resin – Dryer – Bath |
 | Filters |
| EZ-Flex |
| Glasfloss – Fiberglass |
| Honeywell |
| Lifebreath – TFP Whole House – HEPA |
| Research Products – Alum. Economizer |
 | Fittings – Copper; Brass; Black Pipe; PVC |
 | Furnaces |
| First Company – Hydronic & Electric |
| Lifebreath – Hydronic – Electric w/HRV |
| Payne |
 | Gases |
| Oxygen – Acetylene – Nitrogen – CO2 – MAPP |
 | Generators |
| Bryant/Carrier – Whole House Stand-by |
 | Geothermal |
| Carrier/Bryant |
 | Heat Tape |
| Raychem |
 | Humidifiers |
| Bryant |
| General |
| General-Aire |
| Honeywell – Whole House and Steam |
 | Hydronic Specialties |
| Bell & Gossett |
| General Treatment Products (GTP) – Fill Stations |
| Honeywell – Sparco Valves, Expansion Tanks Zone Valves |
| REHAU – PEX Hot Water System and Fittings |
| Watts Regulator – Relief Vetc. |
 | Ignitors |
 | Infrared – Radiant Heaters |
| Calcana – |
 | Insulation |
| Covertech – Radiant |
| Bubble Wrap Duct Insulation |
| and Vapor barrier |
 | Make-up Air |
| Sierra |
| Sterling Engineered Products |
 | Motors |
 | Oils |
 | Pipe and Fittings |
| Black |
| Brass |
| Copper |
| PVC |
 | Pool Ventilation Units |
| Lifebreath |
 | PTAC Units |
| ComfortAire – Heat Controller |
| LG |
 | Pumps |
| Bell & Gossett |
| Grundfos |
| Little Giant Condensate Pumps |
 | Radiant Heat |
| ETI – Controls and Stats |
| NIX – Pump Relays and Controls |
| REHAU – PEX Tubing and Fittings |
 | Radiation |
| Cast Iron Baseboard |
| Radiators |
| Towel Warmers |
 | Radiator Valves & Accessories |
| Honeywell-Braukmann – Thermostatic |
| Watts Regulator |
 | Refrigeration |
| ALCO – Dryers – Solenoid Valves – TXV |
| Compressors – Carlyle – Tecumseh |
| Grasslin – Timers |
| Kason Hardware – Latches & Hinges |
| Ranco Controls |
 | Refrigerants |
| Dupont – Refrigeration & A/C |
| Icor – Hot Shot |
 | Refrigerant Recovery |
| Infirion |
| Manchester Tank – Cylinders |
| Totaline – Totalvac |
 | Rooftop Units |
| Carrier/Bryant |
| MicroMetl – Adapter Curbs & Economizers |
| Sierra |
| Sterling Engineered – Make-up air units |
| Weather-Rite |
 | Sheet Metal Accessories |
 | Smoke Detectors |
 | Test Instruments |
| ATP |
| Bacharach |
| Dwyer |
| Inficon |
| Supco |
| TIF |
| UEI |
 | Thermostats |
| Bryant/Carrier |
| Honeywell |
| Proliphix Internet Stats |
| Totaline |
| Venstar |
| White Rodgers |
 | Tools |
| Imperial – Refrigeration Manifolds |
| Monti – Meters – Mirrors – Hand tools |
| MALCO – Sheetmetal Hand Tools & Screws |
| Ritchie – Manifolds – Hoses – Gauges |
 | Valves – Control |
| Alco Expansion Valves |
| Enerjee – Hydronic Mixing Valves |
| Honeywell |
 | Unit Heaters |
| Sterling – Gas – Steam – Hot Water |
| Garage Guy |
 | VAV - Terminal Units |
| Krueger |
 | Variable Frequency Drives |
| Honeywell |
 | Vent Pipe |
 | Water Heaters |
| Bradford White – Residential and Commercial |
| Munchkin / Elite |
 | Warranties – Extended |
| Equiguard |
 | Window Air Conditioners |
| Comfort-Aire – Heat Controller |