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When the lights go out, you need a partner you can count on
Generator Sales, Service, Installation & Repair
At Generator Systems, LLC in Wallingford, CT, we turn uncertainty into reliability—with seamless sales, installation, repair and maintenance of standby and portable generators for homes and businesses across Connecticut.
For over 15 years, our family-owned business has answered every call—because we know what a power outage means to you: disruption, inconvenience, risk. We handle everything: selecting the right generator, providing expert installation, and offering ongoing care so you stay protected.
Expert Repair Solutions
We offer home standby and portable generator repair services across Connecticut.
Installation Services
Call on us for residential and commercial natural gas, propane, and diesel generators.
Authorized Dealer. Licensed Technicians.
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.
Generator Systems is not just another contractor — we’re your neighbors.
Trust Us With Your Generator Needs
500+
Happy Clients
Read Our Testimonials >
15+
years of service
Learn About Our Solutions >
1K+
Happy Clients
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Portable Generator Repairs
Big or Small Units — 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.
Schedule a Dropoff
Ready To Take Control? Request a Consult.
Don’t wait until the next power outage to worry about your backup system. Call us at 203-401-8819, or fill out the form below for your free consultation & custom quote.
We’ll walk you through your business or residential generator needs, review your location, recommend the best solution, and help you stay powered—no matter what.
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.