John Duffy Energy Services
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Newark, NJ
About
John Duffy Energy Services, founded in 1891, is a family-owned and operated company based in Newark, NJ and surrounding areas. Renowned for its world-class customer service, the company provides expert energy solutions and HVAC services to both residential and commercial properties. Customers highly regard their services, often seeking their advice on energy consumption, fueling procedures, and energy cost management. From repair and maintenance of air conditioning units to heating system and generator installation, John Duffy Energy Services is your reliable partner for all your energy needs.
Specialties
Generator type
Portable, Fixed
Intended use
Emergency backup, Primary power source
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Services offered
Furnace And Heating System Repair Or Maintenance
Furnace And Heating System Installation Or Replacement
Duct And Vent Installation Or Removal
Generator Installation
Thermostat Installation
Generator Repair
Water Heater Installation
Central Air Conditioning Repair
Water Heater Repair Or Maintenance
Central Air Conditioning Installation