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Our Services

Your East Tennessee Source for Standby Generators, Propane

Tanks & More

Whether you’re protecting your family from outages, upgrading your current system, or preparing your property for year-round reliability, McCay Southern Generators is your trusted partner for all things backup power.

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Home Standby Generator Sales

We proudly offer Generac home standby generators, known for industry-leading performance and dependability. We'll help you choose the perfect model based on:

  • Your home’s size and energy needs

  • Your budget and preferences

  • Local power reliability and outage history

Our team walks you through all your options so you can make a confident, informed decision.

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Propane Tank Installation

Need a reliable fuel source? We install above-ground and underground propane tanks, sized specifically for your generator’s run time and your usage needs.

  • Proper permitting and safety inspections

  • Clean installation and precise connections

  • Coordination with local propane providers

We take care of everything—so you’re always ready.

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Generator Installation

We provide professional, full-service installations tailored to your home or business. Our team handles every aspect of the job:

  • Safe, code-compliant electrical connections

  • Gas line and propane hookups

  • System testing and homeowner training

We make installation fast, clean, and worry-free.

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Site Surveys & Permitting

We handle the paperwork so you don’t have to. Our experts perform in-depth site assessments and manage all required local permits:

  • Zoning and HOA compliance

  • Utility coordination

  • Electrical and gas approvals

Everything is done to code, every time.

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Generator Maintenance & Service

Keep your system in peak condition with routine maintenance and on-demand support:

  • Annual or seasonal tune-ups

  • Diagnostics and troubleshooting

  • Emergency repair calls

  • Generac warranty services

Our service plans are designed to maximize uptime and extend your system’s life.

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Personalized Consultations

Not sure where to start? We offer free, no-pressure consultations at your home or business:

  • One-on-one walkthrough of your property

  • Honest answers and practical recommendations

  • Guidance on size, placement, and features

Our goal is to help you make the right decision—not to upsell you something you don’t need.

Commercial Generator Sales

We offer dependable Generac commercial generators designed to keep your business powered and protected during outages. Our expert team helps you select the right solution based on:

  • Your business size, industry, and power requirements

  • Critical systems that must remain operational

  • Budget, scalability, and site conditions

  • Local outage risks and operational continuity needs

We walk you through every option so you can make a confident, informed decision that protects your bottom line.

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