417-779-4819
3913 West state highway 86
Lampe, MO 65681
 
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Air Cooled
Elite Air Cooled
Elite Liquid Cooled
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Commercial Series

Generator Sizing Guide

      Custom Power llc. is Southwest Missouri's select dealer for Guardian Generators - the #1 selling generator in America. In addition to offering the best residential and commercial standby generator systems in  the Springfield / Branson area, Custom Power llc. offers unprecedented customer support and value. We are a factory authorized Select service dealer . We sell, service, and do warranty repairs on all Guardian LP and natural gas generator products.

  • Factory trained technician on staff

  • Service all Guardian products

  • Service 7 KW to 150 KW  gaseous single and three phase units

 
  Guardian Air Cooled
7kw / 10kw / 13kw / 16kw
Guardian air cooled models provides the most economical solution providing essential circuit protection for small to average size homes. These pre-wired , pre-packaged units include a 100 amp automatic transfer switch with a pre-wired emergency distribution panel.  
 
  Guardian Elite Air Cooled
16kw / 18kw
Guardian Elite air cooled models are the most powerful and quietest air-cooled generators of their size available. They feature the same features as the other air cooled models , but feature a patented Whisper-Test low speed exercise mode for quieter weekly self tests, and come with a superior aluminum enclosure which is ideal for harsh environments.    
 
  Guardian Elite Liquid Cooled
20kw / 25kw / 30kw / 45kw
Guardian Elite liquid cooled models, the best value in liquid cooled standby generators , come with an all steel enclosure with a RhinoCoat paint finish.  All Guardian Elite liquid-cooled models are powered by a inline 4 cylinder automotive engines, and feature the patented Whisper-Test low speed exercise mode for quieter weekly self tests. These models can be paired with any of the Guardian RTS automatic transfer switches from 100-400 amps.
 
  Guardian QuietSource Liquid Cooled
18kw / 25kw / 35kw / 45kw
Simply the quietest standby generator available. The Guardian QuietSource premium liquid-cooled generators feature larger engines operating at 1800 rpm's to reduce sound levels. QuietSource models are so quiet a normal conversation can be had standing right next to a running generator. The 18 & 25 kw models feature a in-line 4 cylinder. The 35 & 45 kw models are powered by a V-6 engine. All QuietSource models come with a superior aluminum enclosure which is ideal for harsh environments.  These models can be paired with any of the Guardian RTS automatic transfer switches from 100-400 amps.  
 
Guardian QT Commercial Series
18kW – 150kW models – Guardian Elite Commercial Series standby generators offer larger homes, restaurants, gas stations, offices, computer rooms, and other businesses multiple configuration options and maximum blackout protection for minimal investment. QT series generators are built to order and come in single and three-phase voltage options. These models all feature the patented Whisper-Test low-speed exercise mode, and come with either steel or aluminum enclosure options. 18 – 60 kW models may be paired with any 100 – 400 amp Guardian RTS automatic transfer switch. 70 – 150 kW models are monitored by the revolutionary H-100 controller and may be paired with any 150 – 800 amp Guardian HTS automatic transfer switch.