1939:

• Yale Mechanical is founded with a vision to provide HVAC systems with unsurpassed quality and service.

1940s:

• Yale establishes company values and expertise that will stand the test of time.
• The War Years — installed oil heating system for barracks at Camp McCoy in Wisconsin.

1950s:

• Installed one of the first large central air conditioning systems in the Leamington Hotel in downtown Minneapolis.
• Designed the first “Hot-Gas-By-Pass” system and “Ambient Lock-Out” control used in refrigeration systems.
• Moved to Clinton Avenue, South Minneapolis.

1960s:

• Manufactured, patented, installed and serviced the “MYNAIR” spot coolers used around the world to condition space for mine workers.
• Formed a team of design/build contractors for turnkey design and installation of clean rooms for computer and aerospace industry.
• Created indoor/dry sump system to enable year-round operation of water cooled air conditioning equipment.

1970s:

• Developed, manufactured and installed counter flow computer room air conditioning units for computer industry.
• Designed and installed Minnesota’s first central water source heat pump system.

1980s:

• Yale Mechanical moves operations to larger facility in Bloomington, MN to meet demands of growing business.
• Yale lands its first national service account.

1990s:

• Became the Twin Cities largest service provider for HVAC services.
• Completed Yale’s largest project to date - ADC World Headquarters.
• Completed our first large design/assist stand alone Tier 3 Data Center.

2000s:

• Millwright division launched to enhance Yale’s range of capabilities within the industrial market.
• Established an in-house piping fabrication shop.

Today:

• Yale Mechanical continues to offer smart solutions that make buildings work better.