DISTRIBUTOR-FIRST SUPPLY PARTNER · SINCE 1999 BRAND · GREAT LAKES AIR
US-manufactured air dryers, filtration, and nitrogen from a single Michigan factory — the treatment brand SPC specs and backs.
Made in Michigan. Built to spec.
Great Lakes Air has manufactured compressed air treatment equipment in Westland, Michigan since 1983, founded on a straightforward premise: that declining quality in the US compressed air industry was a problem worth fixing from the ground up. Every dryer, filter, and nitrogen generator the company builds leaves a single Michigan factory — the same facility it has operated since founding.
The product line is deliberately complete: refrigerated drying from 10 to 13,500 SCFM, regenerative desiccant drying down to −100°F pressure dew point, matched filter housings in standard and high-pressure variants, and a PSA nitrogen generator line. That breadth means a plant engineer can source a full air treatment package from one US manufacturer on one purchase order, with no imported assemblies in the chain.
Great Lakes Air backed its quality claim with a 5-year warranty on standard refrigerated dryers at a time when 1-year coverage was considered generous in the industry. That warranty — 1-year on-site labor plus 5-year OEM parts — has been maintained continuously since 1983, which is the kind of commitment a manufacturer only sustains when the product supports it.
Great Lakes Air is the dryer brand SPC reaches for first.
Refrigerated dryer, desiccant dryer, filter housings, and nitrogen generator all ship from the same Westland, MI factory.
Made-in-USA is a requirement on an increasing number of government, defense, and infrastructure contracts.
General Manufacturing → Plant air drying and filtration for production environments of all types. 
Food & Beverage Processing → Refrigerated and desiccant drying for food-safe compressed air applications. 
Automotive Manufacturing → Dry, clean air for paint booths, robotics, and pneumatic tooling. 
Metalworking & Fabrication → Reliable drying for machining, welding, and finishing lines. 
Packaging & Printing → Stable dew-point air for packaging machinery and print processes. 
Pharmaceutical, Medical Device & Laboratory → Low-dew-point, filtered air where air quality is part of the process spec. GRN non-cycling refrigerated dryers cover 10–3,000 SCFM for general plant air. High-capacity GMNF/GMNX steps up to 13,500 SCFM for large central-plant systems. GPS heatless desiccant covers 35–3,000 SCFM; GEH and GBS heated and blower-purge cover 100–25,000 SCFM for continuous high-flow instrument-air duty.
A +38°F pressure dew point for general plant air calls for a GRN refrigerated dryer. Applications needing −40°F (instrument air) or −100°F (critical process air) move to the GPS heatless or GEH/GBS desiccant lines respectively.
Standard lines to 150 PSIG work with the GRN/GPS base series. Systems running to 650 PSIG step to the GHRF high-pressure refrigerated dryer or GHP high-pressure filter housings.
Standard refrigerated dryers are rated to 100°F inlet. If the compressor room or after-cooler delivers hotter air, the EDR high-inlet-temp series handles up to 180°F inlet without de-rating.
Tell us the spec and the account and we will come back with the right line, sourced through the distribution network.
—. We reply within one business day with pricing, lead-time, and configured parts.