

Professional Generator Installation & Repairs on the North Fork
When the power goes out, your home or business shouldn’t be left in the dark. At Custom Lighting of Suffolk (CLOS), we specialize in professional generator installation and generator repairs across the North Fork, Shelter Island, and Suffolk County. From planning and installation to maintenance and service, our licensed electricians ensure you have reliable backup power when you need it most.
Why Choose CLOS for Generator Installation?
✔ Kohler Generator Expertise
We proudly install and service Kohler generators, known for durability and performance. Our electricians are trained to handle every detail of your home generator installation, ensuring seamless operation and long-term reliability.
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✔ Licensed & Experienced Electricians
Our team of master electricians has decades of experience handling electrical repairs, backup generator systems, and panel upgrades. Every project is performed safely and in compliance with code.
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✔ Trusted Local Reputation
For over 25 years, homeowners and businesses on the North Fork have trusted CLOS for dependable electrical and generator services. Whether you’re searching for generator installation near me or need emergency service, we’re here to help.
Benefits of a Backup Generator
A backup generator protects your property and your peace of mind. With professional installation, you’ll enjoy:
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Reliable Power During Outages – Stay safe and comfortable during storms and utility failures.
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Protection for Critical Systems – Power HVAC, refrigeration, medical equipment, and security systems without interruption.
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Peace of Mind for Vacation Homes – Prevent frozen pipes, food spoilage, and property damage when you’re away.
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Added Property Value – Buyers see home generator installation as a premium feature, especially in areas prone to outages.
Understanding Home Generator Cost
The total home generator cost depends on size, brand, and installation requirements. At CLOS, we provide clear, upfront estimates tailored to your property and power needs. Investing in reliable backup power has never been easier.

Generator Repairs & Maintenance
Already own a generator but experiencing issues? Our team provides fast and reliable generator repairs to restore performance and extend the life of your system. We also offer preventive maintenance to keep your generator ready for every storm.
Schedule Your Generator Installation Today
Searching for a generator installation near me? Trust Custom Lighting of Suffolk for expert service, top-quality equipment, and reliable results. Whether you need a home generator installation, generator repairs, or a complete backup power solution, CLOS has you covered.
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📞 Contact us today to request a free estimate and protect your home or business with professional generator installation from Suffolk County’s trusted local electricians.

20 kW Generator
20RCAL with Automatic Transfer Switch and OnCue Plus
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Model Number 20RCAL
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Fuel Type Natural Gas, LPG
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Phase Single Phase or Three Phase
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ATS Included
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Remote Monitoring Included
Popular generators for backup power, with an automatic transfer switch included. When you lose power during an outage or storm, a hard-working 20 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on.*
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Reliable.
Every KOHLER® generator is equipped with a heavy-duty, commercial-grade engine that stands up to extreme weather.
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Powerful.
In just 10 seconds, your KOHLER generator automatically restores power to a 5-ton (60,000 BTU) air conditioner, major appliances and electronics.*
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Premium warranty.
We've got you covered with 5-year, 2,000-hour protection, and a corrosion-proof enclosure that's built to last.
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Award winner.
KOHLER generators have received several awards, including the Most Valuable Product (MVP) Award 2010 by Building Products magazine.
THE POWER YOU NEED
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PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances
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Extraordinary peak motor-starting capacity: 14RCAL at 33kVA at 240V and 20RCAL at 41kVA at 240V
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Premium power quality delivers exceptional digital voltage and frequency regulation along with low levels of harmonic distortion to protect sophisticated electronics
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Powered by reliable KOHLER Command PRO® engine, designed and tested for tough commercial applications; with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments; operation speed is 3600 rpm (the standard for air-cooled generators)
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Compatible with OnCue® Plus and OnCue® Plus Wireless Generator Management Systems, and Programmable Interface Module (PIM)
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Also compatible with Load Control Module (LCM) or Load Shed kit with single-phase generators only
THE CONVENIENCES YOU EXPECT
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Comes with either an RXT 100-amp indoor-rated automatic transfer switch with 16-circuit load center or an RXT 200-amp outdoor-rated service entrance rated automatic transfer switch with load shed kit
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RDC2 controller designed for today's sophisticated electronics manages both the generator set and Model RXT transfer switch functions
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Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner
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Stylish corrosion-proof enclosure impact tested to -30°F
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Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field
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Streamlined installation, simple terminal block for easy field connections. Kohler also offers concrete mounting pads to lower installation costs and time.
*Based on generator and load size.


