Heating and cooling products for residential and light commercial industries, including the 25.5 SEER iQ Drive air conditioner and heat pump.

McCarty Bros. Inc. has been in the business of maintaining HVAC systems in the Chicagoland area for over 70 years. They do know a thing or two about it. They have service maintenance customers who have been with us for over 50 years.

Mee Industries, Inc. is a high technology company with a proven track record of providing innovative cooling and humidification solutions using the natural power of fog. Fog is a cost effective and environmentally beneficial solution for diverse applications including data center cooling, gas turbine inlet air cooling, HVAC & industrial humidification, outdoor air conditioning, greenhouse climate control and special effects.

Meek Refrigeration Inc. is a full service company specializing in Refrigeration, HVAC, Contracting, and Sheet-Metal/Ductwork. They are experienced in commercial and residential applications and carry a commitment to service and quality workmanship.

Merril Sheet Metal Inc. is a full-service HVAC company that has been serving Central & North Central Wisconsin since 1913. They are a family owned and operated HVAC company.

Mesaba Heating, A/C and Plumbing is the one stop shop that provides complete HVAC and plumbing services in Hibbing, MN. They endeavor to provide the best service possible to the clients.

Met One Instruments Inc. provides reliable, affordable, precision instrumentation for monitoring ambient and indoor air quality.

Metal-Fab offers the most complete line of chimneys, vents, special vent for condensing appliances, fume exhausts, engine exhausts, and factory-built kitchen ventilation systems available.

METALFLEX has grown to become a nationwide company, serving the HVAC, plumbing, utility, industrial, food, oil and petrochemical industries, with 100% of our design, engineering, and manufacturing facilities done within the U.S.A.

Metrex has designed and manufactured innovative Pressure, Thermostatic, Electric and Electro-Hydraulic Actuator valves, as well as, HVAC Water Regulating and Seawater Condenser Regulator Valves. They are the most trusted name in refrigeration and heat transfer solutions in the world.

Metro Heating & Cooling is a family owned and operated HVAC Company in St. Paul, MN. They have been providing the highest quality of air conditioning and heating repairs, installations and products to both residential and commercial customers. They are licensed, insured and bonded.

MetroTech has provided HVAC solutions leveraging a technology-enabled modern work order management system throughout the US since 1986. MetroTech Service Corporation is a privately held HVAC service company providing preventive maintenance, emergency service repairs, and HVAC design/installation services to prominent multi-site commercial and retail customers across the United States.

Meyer Machine Supply & Equipment LLC is a renowned US-based manufacturer of electric and gasoline powered vacuums for air duct and dryer vent cleaning, as well as a complete line of supplies.

Miami Heating & Cooling is a full service heating and air conditioning company that specializes in fulfilling HVAC needs of both residential and commercial customers.

Micek Heating & Air LLC is a local heating and cooling specialists based in Omaha, NE. They are bonded, insured and committed to providing the best possible service to the customers.

Micro Matic is dedicated to providing world-class beverage dispense equipment and solutions by focusing on unparalleled product quality and testing, on-time delivery, and world-class customer service.

Middleton Heating & Sheet Metal, Inc. is a family owned and operated heating & air conditioning company that has served Corvallis and its surrounding areas for over 64 years. During this time, they have provided the finest heating and cooling products and equipment lines available, along with the highest level of experience and service to complement those products.

Representing quality HVAC/R manufacturers in Illinois, Indiana, Wisconsin, Minnesota, Dakotas and the UP of Michigan. They also offer warehousing services in 42,000 square foot warehouse in Chicago.

Midwest is a leading wholesale supplier of HVACR equipment and service parts. They mostly serve their Northern Michigan markets.

Midwestern Mechanical, Inc. with Copper Cottage is an industry-renowned company that offers superior plumbing, heating, air conditioning, and fire protection services. They also handle various heating, air conditioning, and indoor air quality systems including, Furnaces, Boilers, Heat pumps, Thermostats, Air conditioners, Ductless mini-split ACs, Air purifiers, Air cleaners, Humidifiers and In-floor heating solutions.

Mike Derrick A/C & Heating Co., Inc., is a locally owned and operated HVAC company. Since its inception in 2005, they have focused on residential solution and installations. They have installed systems in new construction, fire restorations, and home renovations, and now they service all brands.

Mike’s Bremen Service has merged with Comfortmate Heating and Air. Both family-owned companies are well versed to install and service all heating and cooling equipment, as well as most appliances. They look forward to continuing to serve all customers heating, cooling, and appliance repair needs.

MIL-RAM TECHNOLOGY INC. designs/manufactures gas/flame detectors and detection systems, to detect hazardous gases, Toxic/Combustible LEL/Oxygen/VOC, for personal safety environmental protection and process controls since 1990.

Milestone is a pioneer in home services across the DFW area. They provide same day electrical repairs, plumbing, drain cleaning, HVAC installations, window cleaning, security installations and more.

Miller Manufactured Home Products is a company that estimates, repairs, servicing furnaces, air conditioners and heat pumps. They are also a renowned sellers of HVAC products.

Milwaukee Valve provides valves and actuators for industrial, commercial, fire protection, dry bulk hauling, marine industries, ball, butterfly, gate, globe, check valves, and actuation.

As the southeast’s distributor of heating, cooling and ventilation products, Mingledorff's work closely with exclusive brands such as Carrier, Bryant, Heil, and more.

Mitsubishi Electric Automation, Inc. is a U.S. affiliate company of Mitsubishi Electric Corporation. It offers a broad product portfolio including programmable automation controllers (PAC), programmable logic controllers (PLC), human-machine interfaces (HMI), variable frequency drives (VFD), servo amplifiers and motors, control software, computerized numerical controllers (CNC), motion controllers, robots, low-voltage power distribution products,

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

MLD HVAC Services is committed to offer reliable HVAC services for clients. They are a BBB Accredited Business offering a guarantee of quality craftsmanship on all the woks they deliver. Their major services are confined within preventative maintenance, heating & cooling services and provision of quality energy solutions.