A1 Advantage Heating and Cooling Inc. has been focused on serving the families of Leelanau and Grand Traverse counties with standard goods and service since 2003. They look forward to an existing lengthy relationship taking care of all the heating & cooling demands.

Antrum continuous indoor air quality monitoring systems, which when integrated with the BMS, create healthier, more efficient buildings. AntrumX™ monitors the Indoor Air Quality (IAQ) of up to 32 spaces from a single location.

Applegate Heating & Air Conditioning specializes in heating, air conditioning, and sheet metal work. It serves residential, commercial, and industrial projects. It specializes in sheet metal design, fabrication, and installation for projects of all sizes, ranging from $100 to $25,000,000.

Christian & Co. Inc. is a Liaison between The World's Premier Manufacturers and Select Distributors in Michigan and Toledo, OH.

Gallagher-Kaiser Corporation (GK) is a privately owned, Michigan based turn-key supplier of paint finishing systems, commercial & industrial HVAC and mechanical automotive systems within the Kaiser Enterprise.

General Filters is a manufacturer of residential whole-house humidifiers, air cleaners, UV air purifiers, dehumidifiers, heat and energy ventilators and fuel oil filters.

GfG Instrumentation is a pioneer for gas detection and measurement technology. They offer an assortment of portable monitors, fixed systems and respiratory airline monitors.

Hart & Cooley has been a trusted brands for HVAC supplies in the industry. Their products are stocked across North America to provide the customer with a winning, comprehensive solution for business - on time. Their brands include AmeriFlow, AmeriVent, AMPCO, Hart & Cooley, Lima, Milcor, PortalsPlus, Roof Products & Systems (RPS) and Ward Industries.

Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.

As one of the HVAC servicing companies in West Michigan, Lamphear Service Company specializes in offering high-quality heating and cooling repair, installation and mechanical services to residential and commercial clients.

Gas pressure regulators; electronic gas flame modulation systems, shut-off valves, manual gas ball valves and gas combination controls.

Midwest Tool, manufactures tradesman quality hand tools for the HVAC/metalworking market. As a pioneering innovator and manufacturer of metal cutting snips and specialty hand tools. Midwest has developed and owns numerous product design and utility patents that enhance Midwest product performance.

Napco-International manufactures and supplies high quality industrial grade heating elements and supporting components to the industrial markets. They provide electric heating elements and accessory products such as HVAC heating elements for electric furnaces, heat pumps, air handlers and many more.

Nederman is an environmental technology company and a global pioneer in industrial air filtration dedicated to capturing, measuring, controlling, and cleaning air to make industrial production more efficient, safe, and sustainable. Based on industry-pioneering products, solutions, and services in combination with an innovative IoT platform they deliver knowledge and facts needed to optimize performance and guarantee emissions compliance.

Rapid Engineering is an Industrial and commercial HVAC manufacturer. They manufacture make-up air and custom rooftop units, indirect-fired heaters, make-up air heaters, evaporative coolers, and electronic control systems for direct fired air handlers.

Rapid Water Technologies' patent-pending nanobubble generator removes and prevents the buildup of biofilm in commercial and industrial water use.

Refrigeration Research Inc. are manufacturers of high-quality commercial/industrial refrigeration and air conditioning components. Refrigeration Research uses hydrogen brazing to assemble tanks, which ensures a clean, contaminant-free process – helping to avoid problems. They also provide personal, accessible service.

SANI-VAC Service provides high-quality indoor air cleaning services, including HVAC units, air ducts, and kitchen exhaust cleaning for commercial, industrial, and institutional organizations. It offer much heating and cooling cleaning services including air duct cleaning, ventilation cleaning, coil cleaning, HVAC cleaning, commercial kitchen exhaust degreasing, cooling tower cleaning, and ductwork inspections.

Universal Piping Industries (UPI) is a pioneer in the design, fabrication and installation of industrial piping & plumbing systems and HVAC systems for industrial/commercial facilities.

UV Angel is a provider in pathogen control technology that neutralize harmful pathogens using a combination of hardware and software. UV Angel’s ultraviolet light-based technology platform is used to treat surfaces and the air. UV Angel’s technology is supplemented by a data analytics platform.

Whirlpool Corporation is a home appliance company with specialties in innovation, manufacturing, brand leadership, product leadership, operational excellence, people excellence, diversity and inclusion, social responsibility, and environmental sustainability. Whirpool Corporation has multiple brands under its name and they deal with different market sectors including HVAC.