Corporate Headquarters
3374 Commercial Avenue
Northbrook, IL 60062
24/7 Main and Emergency Number:
(847) 291-1413
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UPS, Battery, and Datacenter Precision Cooling Services
Emergency Generator and Automatic Transfer Switch Services
Cellular Tower AC/DC Systems Services


Emergency Generator Services
Automatic Transfer Switch Services
Generator Load Bank Testing
Laboratory Analysis of Oil, Coolant, and Fuel Samples
Paralleling Switchgear Services
Diesel Engine Pump Services
Fuel System Management
Megohmmeter Testing

Fuel System Management

In addition to new regulations imposed on fuel supplies, there exists an ongoing percentage of engine failures directly related to poor fuel conditions. We have developed new guidelines to actively address these issues and ensure your fuel supply is maintained in proper condition for operational readiness and long-term storage.

LionHeart strongly encourages annual Laboratory Analysis of diesel fuel supplies.  With a comprehensive analysis, we are able to assess and - if necessary - recommend a fuel treatment product to stabilize fuel, increase cetane rating, and prevent corrosion or microbial growth.

In addition to scheduled testing and conditioning, LionHeart provides the following expert services:

  • Fuel Polishing (fuel is cycled through a series of water separators and fuel filters removing water, contaminates, and debris from the fuel)
  • Fuel tank cleaning
  • Fuel tank replacement and modernization of controls
Corporate Headquarters: 3374 Commercial Avenue | Northbrook, IL 60062
Emergency Phone Numbers: Midwest Region (847) 291-1413