Lennox™ Residential Generators

Commercial-grade backup power offers dependable protection during unexpected power outages.

Available in 12kW, 18kW and 30kW sizes powered by natural gas or propane.

Clean, reliable, digital voltage regulation protects sensitive electronic equipment from damage caused by unstable power quality or high levels of total harmonic distortion.

Delivers more power for better performance with the lowest operating noise of all competitive units tested.

lennox™ residential Generator specifications
Model RGEN12 RGEN18 RGEN30
Rated power LP/NG (kW) 12/10.4 18/17 30/27
Dimensions LxWxD (in.) 42-1/2 x 30-1/2 x 32-1/2 47-1/4 x 28-5/8 x 31-3/5 77 x 33-1/2 x 45
  LxWxD (mm) 1079 x 774 x 826 1199 x 713 x 803 1850 x 861 x 935
Starting watts LP/NG 32 38 42
Total harmonic distortion at rated load 4.25% 3.00% 2.40%