Mars

About MARS (Motors & Armatures)

When an air conditioner stops cooling or a furnace fan goes quiet, there is a good chance the fix involves a MARS component. MARS — short for Motors & Armatures — has been a cornerstone of the HVAC/R industry since its founding in 1946, when Sol Chernoff launched the company as a motor repair shop. Over the decades, what started as a local repair operation grew into one of the most comprehensive suppliers of HVAC/R motors, components, and equipment in North America.

Today, MARS operates two distinct divisions. The Motors and Components Division distributes an extensive lineup of MARS and JARD-branded aftermarket replacement products, as well as original equipment components from leading manufacturers. The Equipment Division markets finished residential and commercial heating, cooling, and dehumidification systems under the Comfort-Aire and Century brand names. This dual-division structure means that whether a technician needs a single replacement motor or a contractor is sourcing a full system, MARS has a solution in its catalog.

MARS further expanded its reach by acquiring Heat Controller, Inc., a long-established supplier of residential and commercial HVAC equipment — a move that positioned MARS as arguably the most comprehensive single-source supplier in the industry. With distribution facilities spanning the continental U.S. and Canada, the brand is recognized for in-season availability, reliable logistics, and strong technical support programs.

MARS Motors & Components: What Sets Them Apart

For HVAC/R service technicians, the MARS name carries a specific meaning: parts that install cleanly and perform reliably. The brand's A/C Condenser Fan Motors and HVAC Blower Motors are among the most frequently specified replacement motors in the field, covering a wide range of horsepower ratings, voltages, and rotation configurations to match countless OEM applications. MARS motors are specified by horsepower, voltage, rotation direction, and shaft size, allowing technicians to make precise replacements from nameplate data alone.

Beyond motors, MARS supplies the full ecosystem of electrical components that keep HVAC systems running. Their Transformers step down line voltage to the low-voltage control circuits that govern modern thermostats and control boards. Relays and Contactors handle the heavy switching duties — closing and opening the high-voltage circuits that power compressors and condenser fans in response to low-voltage thermostat signals. Having all of these components under one trusted brand simplifies sourcing and supports consistent system-level reliability.

Why Technicians and Contractors Choose MARS

• Deep catalog depth: Hundreds of motor and component SKUs covering commercial and residential HVAC/R applications.
• Cross-reference tools: MARS provides detailed cross-reference resources to help identify compatible replacements for OEM and competitor parts.
• Proven reliability: The MARS brand has been recognized by technicians for quality and consistency across generations of HVAC service work.
• Broad distribution: Multiple North American distribution centers support in-season availability and fast fulfillment.
• Complete ecosystem: Motors, contactors, relays, transformers, capacitors, and installation accessories — all under one roof.