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Since 2007, Generator Systems, LLC has been dedicated to delivering top-quality generator sales and services to regional clients. Whether you're seeking a new unit, scheduling routine maintenance, or requiring backup generator repair, our team has the expertise and equipment.
Trust us to keep your home running smoothly.
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Family-Owned & Operated
Since 2007 we’ve served Connecticut homes and businesses with the care and attention you’d expect from a local business.
24/7 Emergency Support
Power emergencies don’t keep hours; neither do we. Our technicians are ready day or night, storm or shine.
Complete Lifecycle Service
From new installations to parts, repairs, preventive maintenance, and even real-time monitoring — we keep your system ready.
Proactive Protection
Predictive maintenance matters. Our monitoring service means we’ll contact you before you even know something’s wrong.
Local in Connecticut
No out-of-state contractors, no long waits for service. We’re based in Wallingford for convenient service towns across the state.
Trusted Brands & Technicians
We are licensed to serve all major generator brands. Our experienced team can help you navigate the right choice for your needs.
Trust Us With Your Generator Needs
Generator Systems is not just another contractor — we’re your neighbors.
Power Starts Here
Generators, Parts & Accessories for Every Need
Shop our online catalog for portable and standby generators, transfer switches (ATS), genPads, generator covers, and more.
In stock for pickup today!
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Portable Generator Repairs
Big or Small — We Are Your All-in-One Solution for Generator Service & Repair
Need Portable Generator Repairs? Bring your unit to our Wallingford location—with or without a warranty—and our expert technicians will get it running like new.
If your generator is still under warranty, we’re authorized to handle repairs for Briggs & Stratton, Champion, Generac, Kohler / Rehlko, and Winco models.
Our approved brands are always expanding, so contact us to confirm the best repair options for your portable or standby generator.
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Real Results
“Generator Systems LLC has been servicing my generator for over 10 years. They have ensured that my backup electricity system is always ready. Great service when an emergency happens during an outage (happened once) and great maintenance service to keep it up and running. Highly recommend.”
— Steve P., Connecticut homeowner
Call today for real results
(203) 401 - 8819
Call Us for Generator Solutions
We handle everything from fuel line hook-up (natural gas, propane, diesel), to transfer switch installation and full wiring, site prep and commissioning.