
Generator installation
Your power.
Our promise.
Reliable Generator Service, sales & repairs across Connecticut
Our Solutions
Preparedness Meets
Peace of Mind
In a state where storms, outages and weather uncertainties can strike at any moment, you deserve more than just a backup plan—you deserve assurance. That’s why Generator Systems LLC, based in Wallingford, CT, has built its reputation on delivering dependable generator services for over a decade. We understand that when you depend on your power, you depend on us.






Generator Swap-Out
Enjoy the peace of mind of a new generator — with all the perks
No new permit, no new wiring. We match your current defective generator size to a newly updated generator. We'll make things easy by assessing the generator type and needed parts, offering smooth swap-outs. Call to schedule a generator swap-out service. Your satisfaction is our priority.





Generator Installs
Sales and service that extends beyond the initial transaction
Looking to buy a generator? We sell directly to the public, and assist you in identifying the precise specifications for both the generator and transfer switch. The team at Generator Systems also provides delivery, pad creation, and placement of the generator on a designated pad.
Why Choose Us?

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FULL-SERVICE SOLUTIONS:
Whether you need installation, repair or routine maintenance, we cover the full lifecycle of your generator.
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RESIDENTIAL & COMMERCIAL REACH:
From homes to businesses, standby systems to portable units, we tailor the service to your size and scale.
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MULTIPLE FUEL TYPES & TRUSTED BRANDS:
Natural gas, propane or diesel — we work with top brands such as Generac, Briggs & Stratton, Champion, Kohler and Winco.
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EMERGENCY RESPONSE:
Because outages don’t wait for convenient hours — and neither do we.
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LOCAL PRESENCE:
Operating out of Wallingford, CT, we’re close by when you need help fast.

Our Services
Certified Generator Experts for REPAIRS, MAINTENANCE & SALES
Whether you’re installing for your home or business, choosing standby or portable, or selecting natural gas, propane or diesel fuels — we manage the process from start to finish. Our experts will help you choose the right size, select the right brand, site the unit safely and ensure a smooth initial startup.
Even the best-built generators may experience issues. When they do, you need technicians who know your system inside out. We service multiple brands — in-warranty or out — and restore your backup power quickly and safely.
Buying a generator is the first step. Ensuring it performs when you need it most is the next—and that’s where maintenance matters. Our comprehensive service includes a detailed checklist to keep your system in optimal shape, reducing the risk of failure when outage strikes.
Trusted Brands & Multiple Fuel Options

We’re proud to partner with leading generator brands such as Generac, Briggs & Stratton, Champion, Kohler and Winco.
Our systems support natural gas, propane, and diesel — giving you the flexibility to choose what works best for your location and budget.

a family-owned business in your community
Serving All of Connecticut
From the shoreline to the interior and everywhere in between, our team covers installation, repair and maintenance for homes and businesses across Connecticut.
For turnkey power protection, trust Generator Systems LLC.
Our Generator Installation Process:
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Step 1: Free Consultation
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Step 2: Site Assessment
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Step 3: Professional Installation
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Step 4: Ongoing Maintenance


Ask about our Generator Monitoring Service discount for new customers

Act Now
Don’t wait until the power goes out — call us now and ensure your generator is ready when you need it most.



