ATS Installation & Repair

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Automatic Transfer Switch (ATS) Installation & Repair in Nevada

Seamless Power Transfer You Can Depend On

When an outage hits, your generator is only as reliable as the switch that activates it. The Automatic Transfer Switch (ATS) is the heart of any standby power system, responsible for sensing a loss of utility power and instantly transferring your electrical load to your generator. At Happy Hals Generators, we specialize in ATS installation and repair across Nevada, ensuring that your power system operates smoothly and safely every time.


We install and service both manual and automatic transfer switches for residential, commercial, and industrial applications. Whether you’re upgrading your current setup, replacing a malfunctioning switch, or integrating a new generator, our experienced technicians provide precise, code-compliant installation and repair to keep your power transfer reliable.

Professional ATS Installation for New and Existing Systems


Installing an ATS isn’t a plug-and-play job—it requires precise coordination between electrical systems and your generator’s control panel. Our certified technicians handle every step of the process, from system design to testing and calibration.


During an installation, we begin by assessing your electrical panel, load requirements, and generator specifications. This allows us to recommend the right ATS configuration for your needs, whether it’s a whole-home automatic switch for residential use or a multi-load commercial switch for larger facilities.


We work with top-rated brands such as Generac, Eaton, ASCO, Siemens, and Kohler, ensuring that every installation meets manufacturer standards and Nevada’s electrical codes. Once installed, we test the switch’s response time, verify load transfer accuracy, and confirm automatic start and stop functionality.


The result is a seamless transition between utility and generator power—no flickers, no downtime, and no manual intervention required.

Manual and Automatic Transfer Switch Options

Every property has unique power needs. That’s why we offer both manual and automatic transfer switch systems to match your level of control and convenience.

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Manual Transfer Switches

Ideal for portable or smaller generator systems, manual transfer switches allow homeowners or facility managers to start the generator and transfer the load manually. They’re cost-effective, easy to operate, and a great option for those seeking a simple backup solution without automation.

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Automatic Transfer Switches (ATS)

For whole-home and commercial systems, automatic switches are the standard. These switches monitor utility voltage continuously, starting your generator the moment an outage is detected and switching back once power is restored. ATS systems protect sensitive electronics, eliminate downtime, and provide fully automatic power reliability.

Happy Hals Generators installs both types with equal precision, helping clients choose the switch that best fits their system’s capacity, location, and budget.

  • Circuit breakers with levers and wires, on a table.

ATS Repair and Troubleshooting for All Major Brands

If your transfer switch isn’t working properly, it can leave your generator unable to start—or worse, send power back into the grid, creating dangerous conditions. Our team provides comprehensive ATS repair and troubleshooting throughout Nevada, restoring safety and reliability to your backup system.



Common issues we repair include:

  • Delayed or failed power transfer during outages
  • Faulty sensors or relays
  • Burnt contacts or wiring damage
  • Inconsistent voltage readings
  • Failure to reconnect to utility power after restoration


We diagnose and repair all major ATS brands, including Generac, Eaton, ASCO, Kohler, and Cummins, using manufacturer-approved components and testing methods. Each repaired switch undergoes rigorous performance verification to ensure smooth, automatic operation under real-world conditions.

Integrated System Testing and Preventive Maintenance

Once installation or repair is complete, we perform full system testing—including load simulation, generator synchronization, and power restoration checks. This step ensures your ATS and generator communicate perfectly under every scenario.



To prevent future problems, we also recommend enrolling in our preventive maintenance program. During routine inspections, our technicians test the switch’s electrical contacts, monitor response times, and verify control signals between the ATS and generator. Early detection of corrosion, heat damage, or wear can prevent major system failures later.


With regular testing and servicing, you can trust that your transfer switch will operate flawlessly through Nevada’s unpredictable weather and power grid conditions.

  • Green diesel generator, industrial setting. Cummins Power Generation logo, control panel, and air filter visible.

Trusted ATS Experts Serving All of Nevada


From Las Vegas to Reno, Carson City to Henderson, Happy Hals Generators is Nevada’s trusted name for Automatic Transfer Switch installation and repair. Our technicians bring years of experience in generator integration, power distribution, and electrical safety, ensuring every installation meets the highest industry standards.


We understand that a reliable transfer switch is what makes your generator system truly automatic. That’s why we focus on precision, safety, and long-term performance in every project—whether it’s a new ATS installation, a brand retrofit, or a critical repair.

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