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Lennox News Room

Lennox Introduces New Additions to the S-Class™ Rooftop Unit Product Line

DALLAS, TX — September 23, 2005 — Now the industry’s most energy-efficient rooftop units* are available with new models and an even wider selection of factory options to meet an increasing range of application needs.

New additions to the S-Class™ rooftop product line include:

  • 50-ton models featuring R-410A refrigerant
  • Factory installed electric heat

Lennox’ new S-Class 50-ton models use environmentally friendlier R-410A refrigerant and feature efficiencies up to 9.5 EER and 11.2 IPLV. These models are available in gas/electric, electric/electric and cooling only configurations and come with a wide array of factory options.

The electric heat factory option is available on 35 to 50 ton models and can provide up to 4 stages of operation for excellent temperature and comfort control. Available sizes include:

  • 35-ton units: 30-90 KW (208-230V/3PH/60HZ) and 30-120 KW (460V & 575V/3PH/60HZ)
  • 40-ton units: 30-90 KW (208-230V/3PH/60HZ) and 30-150 KW (460V & 575V/3PH/60HZ)
  • 45-ton units: 45-90 KW (208-230V/3PH/60HZ) and 45-165 KW (460V & 575V/3PH/60HZ)
  • 50-ton units: 45-90 KW (208-230V/3PH/60HZ) and 45-180 KW (460 & 575V/3PH/60HZ)

To learn more about the most recent innovations in Lennox’ line of S-Class packaged rooftop units, contact a Lennox field sales representative or visit www.lennox.com.

About Lennox Industries
A worldwide leader in residential and commercial heating and air conditioning systems, Lennox Industries Inc. is based near Dallas, Texas. Lennox Industries is a subsidiary of Lennox International Inc., which operates in more than 100 countries and is a global leader in the heating, ventilation, air conditioning and refrigeration markets. Lennox International stock is traded on the New York Stock Exchange under the symbol “LII”.

* When considering steady state efficiency (EER) for single packaged rooftop units, 35-50 tons, G/E, E/E or cooling only, 3 phase voltage. Established through competitive literature review, July 2004. Claim pertains to 10.8 EER rating for the SGA480H4B unit.

© 2019 Lennox International Inc.