Business Details
50+ Years
experience
Emergency
services
Trusted Electrical and Generator Services in Cheshire, CT
Founded in 1970 by Oscar Mann, our company has grown from a Bridgeport-based electrical contractor into a trusted statewide provider of electrical and generator solutions. Over five decades, we've built a reputation for excellence through commercial projects like Bridgeport Center and residential standby generator leadership. Our team of factory-certified electricians delivers turn-key services including generator installation, preventative maintenance programs, and emergency power solutions.With a 5,000-square-foot Cheshire facility and 40+ years serving all Connecticut towns, we combine technical expertise with personalized service. Our leadership team, including co-owners Tony Vaccaro and Don Walesky, brings decades of hands-on experience managing complex electrical systems for both Fortune 500 companies and homeowners.
Services
Generator Sales
Installation
Maintenance
Commercial Electrical
EV Charger Rebates
Details
- Year established: 1970
Highlights and features
- We have over 50 years of electrical experience with factory-certified technicians
- Our team provides complete turn-key project management for all installations
- We service every town throughout the state of Connecticut
- Our preventative maintenance program maximizes generator longevity and efficiency
- We guarantee no subcontracting with in-house installation and service teams
What people say
Professional technicians
Quick response times
Competent installations
Knowledgeable staff
Reliable maintenance
Services
Generator Sales
We offer a complete line of standby generators from leading manufacturers like Generac, Kohler, and Champion. Our selection includes models ranging from 8.5 kW to 26 kW to meet diverse power needs. Our experts help homeowners and businesses choose the perfect-sized generator for their electrical requirements.
Installation
Our licensed electricians provide professional generator installation following Connecticut Electrical Code and manufacturer specifications. We handle all aspects including permits, electrical connections, and safety compliance. Our turn-key service ensures seamless integration with existing electrical systems for reliable backup power.
Maintenance
Our preventative maintenance program keeps generators operating at peak efficiency. Services include routine inspections, oil changes, and system testing. Factory-certified technicians use genuine parts to maintain warranty validity and extend equipment lifespan for residential and commercial clients.
Commercial Electrical
We provide comprehensive electrical services for commercial and industrial clients. Our capabilities include new construction wiring, system upgrades, and emergency power solutions. With experience on major projects like Bridgeport Center, we deliver reliable infrastructure for businesses of all sizes.
EV Charger Rebates
We help customers access utility rebates for EV charging station installation. Our team handles both residential and commercial EV charging solutions, ensuring proper electrical system capacity and code compliance. We simplify the rebate process to reduce installation costs for clients.
People
Anthony Vaccaro
Vice President
With over 30 years in the electrical industry, Tony co-owns O J Mann Electric Services and leads generator division operations. He manages installation teams and ensures technical excellence across all projects.
Donald Walesky
Vice President
As co-owner and Vice President, Don oversees commercial electrical operations and strategic growth. He brings decades of experience managing large-scale projects for Connecticut's major corporations and institutions.
Chris Vaccaro
Supervisor
Chris supervises field operations with 20+ years of electrical contracting experience. He coordinates technician teams for both emergency generator services and planned maintenance programs across Connecticut.
Alexander Dill
Sales Representative
Alec handles sales and marketing initiatives for generator solutions. He provides technical consultations and manages customer relationships from initial inquiry through post-installation support.
Tiffany Zeigler
Generator Service
Tiffany coordinates generator service appointments and customer support. With 10+ years at O.J. Mann, she ensures timely maintenance scheduling and warranty compliance for residential and commercial clients.
Questions
What types of generators do you sell?
We offer standby generators from Generac, Kohler, and Champion ranging from 8.5 kW to 26 kW for residential and commercial applications.
Do you provide installation services?
Yes, our licensed electricians provide complete turn-key installation following Connecticut Electrical Code and manufacturer specifications.
Are maintenance plans available?
We offer preventative maintenance programs including routine inspections, oil changes, and system testing with factory-certified technicians.
Do you service commercial properties?
Yes, we provide electrical contracting and generator solutions for commercial and industrial clients across Connecticut.
Can you help with EV charger rebates?
We assist customers in accessing utility rebates for EV charging station installation to reduce project costs.
What areas do you service?
We serve all towns throughout Connecticut including Fairfield, Hartford, New Haven, and Litchfield counties.
