top of page
Generator installation and repair by Custom Lighting of Suffolk on the North Fork.

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, repairs, and maintenance across the North Fork, Shelter Island, and Suffolk County.

​

From planning and permitting to full home generator installation, our licensed electricians design backup power systems that keep your lights on, your home safe, and your essential systems running during outages.

​

If you’re searching for generator install near me, trust the local experts with decades of experience and deep knowledge of coastal power challenges.

Why Choose CLOS for Generator Installation?

✔ Kohler Generator Expertise

We proudly install and service Kohler backup generators—trusted for durability, reliability, and performance. Whether you need a compact standby system or a whole house generator, our team ensures your system is properly sized and installed for seamless operation.
 

✔ Licensed & Experienced Electricians

Our master electricians bring decades of experience in electrical systems, load calculations, transfer switches, panel upgrades, and code-compliant installations. Every generator installation is performed safely and built to withstand North Fork weather conditions.
 

✔ Trusted Local Reputation
For over 25 years, homeowners and businesses across the North Fork have relied on CLOS for dependable electrical services. When storms hit and outages are common, our local team responds quickly—making us the trusted choice for generator installation near you.

Benefits of a Backup Generator

Installing a professionally designed backup generator provides more than convenience—it protects your home and investment.
​

  • Reliable Power During Outages – Stay comfortable during storms, heat waves, and utility failures.

  • Protection for Critical Systems – Keep HVAC, sump pumps, refrigeration, medical equipment, and security systems powered.

  • Peace of Mind for Vacation Homes – Prevent frozen pipes, flooding, and food spoilage while you’re away.

  • Increased Property Value – A whole house generator is a highly desirable feature for North Fork buyers.

Understanding Home Generator Cost

Many homeowners ask about home generator cost before moving forward. Pricing depends on generator size, fuel source, electrical capacity, and installation requirements.

​

At CLOS, we provide clear, upfront estimates and help you choose a system that balances performance, budget, and long-term value. Our goal is to make home generator installation straightforward, transparent, and stress-free.

Generator Installation & Generator Repair by Custom Lighting of Suffolk

Generator Repairs & Maintenance

Already have a generator but experiencing issues? We provide fast, reliable generator repairs for:

​

- Generators not starting during outages
- Transfer switch failures
- Faulty wiring or control issues
- Warning lights or error codes

​

We also offer preventive maintenance to ensure your generator is always ready before storm season.

Common Generator Questions We Answer

Do I need a whole house generator or a partial backup?
It depends on your home size, lifestyle, and critical systems. We help you determine the right level of coverage.

​

How long does generator installation take?
Most installations are completed in a few days once permits and equipment are secured.

​

Is generator installation worth it on the North Fork?
With frequent outages and seasonal storms, backup generators are one of the most valuable home upgrades in the area.

Schedule Your Generator Installation Today

Searching for generator installation near me? Choose Custom Lighting of Suffolk for expert guidance, reliable equipment, and professional installation.

​

📞 Contact us today for a free estimate on generator installation, whole house generators, or generator repairs from Suffolk County’s trusted local electricians.

Generator Template for CLOS

20 kW Generator

20RCAL with Automatic Transfer Switch and OnCue Plus

​​

  • Model Number 20RCAL

  • Fuel Type Natural Gas, LPG

  • Phase Single Phase or Three Phase

  • ATS Included

  • 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.*

  • Reliable.

    Every KOHLER® generator is equipped with a heavy-duty, commercial-grade engine that stands up to extreme weather.

  • Powerful.

    In just 10 seconds, your KOHLER generator automatically restores power to a 5-ton (60,000 BTU) air conditioner, major appliances and electronics.*

  • Premium warranty.

    We've got you covered with 5-year, 2,000-hour protection, and a corrosion-proof enclosure that's built to last.

  • Award winner.

    KOHLER generators have received several awards, including the Most Valuable Product (MVP) Award 2010 by Building Products magazine.
     

THE POWER YOU NEED

  • PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances

  • Extraordinary peak motor-starting capacity: 14RCAL at 33kVA at 240V and 20RCAL at 41kVA at 240V

  • Premium power quality delivers exceptional digital voltage and frequency regulation along with low levels of harmonic distortion to protect sophisticated electronics

  • 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)

  • Compatible with OnCue® Plus and OnCue® Plus Wireless Generator Management Systems, and Programmable Interface Module (PIM)

  • Also compatible with Load Control Module (LCM) or Load Shed kit with single-phase generators only
     

THE CONVENIENCES YOU EXPECT

  • 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

  • RDC2 controller designed for today's sophisticated electronics manages both the generator set and Model RXT transfer switch functions

  • Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner

  • Stylish corrosion-proof enclosure impact tested to -30°F

  • Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field

  • 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.

bottom of page