Commercial Air Handlers

Mainline offers a range of efficient, dependable and cost-efficient heating and cooling product options, so businesses can optimize their working environment as well as their budgets. From easy-service features to advanced technologies, our Commercial products deliver durable, long-lasting performance to get the job done.

RHGL/RHGM

  • R-410A
  • Cooling Only Operation (RHGL)
  • Cooling and Heat Pump Operation (RHGM)
  • 7.5 & 10, 15 & 20 Ton High Efficiency

Mainline Warranty

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Frequently Asked Questions

Quickly and easily find answers on common topics including locating a serial number, purchasing a Mainline warranty, home load calculations and more.

Mainline is the Best Choice

Mainline offers dependable, high-efficient, smart products to keep your entire home constantly comfortable, no matter the temperature or season. Click below to learn more about Mainline furnaces, air conditioners, heat pumps, air handlers, and coils.

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