O.J. Mann Electric Services Inc.

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O.J. Mann Electric Services Inc. Residential, Commercial, Industrial and Generators We are a full service electrical contracting company, in business for over 25 years.
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We offer complete design and installation for all electrical, tele/data, fire and security systems. In addition we are also a certified generator dealer for Generac or Ge generators. Offering sales, service and installation for residential, commercial and RV applications.

When energy demands change, every second counts. A microgrid is only as smart as the controller behind it.  's ARC Pro M...
10/22/2026

When energy demands change, every second counts. A microgrid is only as smart as the controller behind it.

's ARC Pro Microgrid Controller continuously coordinates distributed energy resources, making real-time decisions that help keep critical operations running through changing site conditions, and evolving energy demands. Combined with the Generac’s Monitoring Dashboard, operators gain visibility into system performance, energy flows, and asset status, helping transform complex energy systems into actionable intelligence.

In today's energy landscape, resiliency isn't just about keeping the lights on. It's about having the insight to optimize performance. We're helping organizations build smarter, more resilient energy ecosystems. Real-time decisions. Actionable intelligence. Greater energy resilience.

Contact us to learn more about Generac solutions.

Whether an outage happens in the middle of the day or overnight, a Generac home standby generator automatically restores...
10/15/2026

Whether an outage happens in the middle of the day or overnight, a Generac home standby generator automatically restores power so your home stays comfortable and connected.

Get an estimate today. Call us at (203) 250-8715 or visit us at http://www.ojmannelectric.com/.

With a Generac standby generator, your home’s superpower is reliability. When the lights go out, Generac powers on, auto...
10/15/2026

With a Generac standby generator, your home’s superpower is reliability. When the lights go out, Generac powers on, automatically. Use the Synchrony Project Card to access promotional financing offers.* Contact us to learn more: (203) 250-8715 or visit ojmannelectric.com

*Subject to credit approval.

Whether an outage happens in the middle of the day or overnight, a Generac home standby generator automatically restores...
10/15/2026

Whether an outage happens in the middle of the day or overnight, a Generac home standby generator automatically restores power so your home stays comfortable and connected.

Get an estimate today. Call us at (203) 250-8715 or visit us at ojmannelectric.com.

With a Generac standby generator, your home’s superpower is reliability. When the lights go out, Generac powers on, auto...
10/15/2026

With a Generac standby generator, your home’s superpower is reliability. When the lights go out, Generac powers on, automatically. Use the Synchrony Project Card to access promotional financing offers.* Contact us to learn more: (203) 250-8715 or visit http://www.ojmannelectric.com/

*Subject to credit approval.

Be ready for whatever comes next. A Generac home standby generator automatically restores power during an outage, helpin...
10/08/2026

Be ready for whatever comes next. A Generac home standby generator automatically restores power during an outage, helping keep your home running when it matters most.

Get an estimate today. Call us at (203) 250-8715 or visit us at http://www.ojmannelectric.com/.

Be ready for whatever comes next. A Generac home standby generator automatically restores power during an outage, helpin...
10/08/2026

Be ready for whatever comes next. A Generac home standby generator automatically restores power during an outage, helping keep your home running when it matters most.

Get an estimate today. Call us at (203) 250-8715 or visit us at ojmannelectric.com.

Battery Energy Storage Systems are more than backup power. They are a critical component of a resilient, intelligent ene...
10/08/2026

Battery Energy Storage Systems are more than backup power. They are a critical component of a resilient, intelligent energy strategy.

🔹Store energy for use when demand is highest
🔹Reduce utility costs through peak demand management
🔹Integrate renewable energy more effectively
🔹Strengthen resilience during grid instability and outages

But performance starts with confidence.

Generac's battery energy storage solutions are designed for the realities of the North American market, backed by rigorous testing, certification, and validation processes that help support safe, reliable operation in demanding commercial and industrial environments.

BESS should do more than store power. It should help organizations operate with greater certainty when reliability matters most.

Contact us to learn more about BESS systems.

Backup power starts with a system that's ready when you need it. A Generac home standby generator automatically detects ...
10/01/2026

Backup power starts with a system that's ready when you need it. A Generac home standby generator automatically detects an outage and restores power, helping keep your home comfortable and protected.

Get an estimate today. Call us at (203) 250-8715 or visit us at http://www.ojmannelectric.com/.

Backup power starts with a system that's ready when you need it. A Generac home standby generator automatically detects ...
10/01/2026

Backup power starts with a system that's ready when you need it. A Generac home standby generator automatically detects an outage and restores power, helping keep your home comfortable and protected.

Get an estimate today. Call us at (203) 250-8715 or visit us at ojmannelectric.com.

Address

1484 Highland Avenue, Ste 4B
Cheshire, CT
06410

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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