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Generators | Electrical

Discover our top-notch electrical generators designed to keep the power flowing seamlessly in any setting. At HEP, we offer a diverse range of generators that provide reliable performance and unmatched efficiency, ensuring you’re never left in the dark. Whether you're looking for a solution for your home, business, or industrial needs, our state-of-the-art generators are built to handle any challenge. Experience the peace of mind that comes with robust power supply solutions tailored to meet your specific requirements. Trust HEP to light up your world, one generator at a time.

What Our Customers Say

"Josh Herndon with HEP came out to install a gas line to our generator! Very professional and went above and beyond to make sure the job was done right! I highly recommend HEP and Josh for anything you need done! Happy customer here!!"

Ben S.

"Josh butler came to give me quotes on my electrical he gave me very good quotes also he found a hole in my waterheater and helped me with that he's the best"

Tim L.

"Jordan, Brayden, and Kaleb just wrapped up the job at my place and I could not be more pleased. They were professional, kind, and went above and beyond. My wife and I are building a house in Bulls Gap, and needed to hook up a pressure pump. I didn't realize what all would be needed, but they nailed it. They installed a pressure tank under the house and finished all of the piping and fittings. Because we don't have electric for our pump house, they got my generator running and made sure everything worked as it should. I won't use anybody else going forward. Thank you, guys! Y'all are awesome!"

Jonas F.

"Patrick was professional, friendly, and knowledgeable regarding our heating unit. He diagnosed an issue that required an electrician and took the steps scheduling our electrical issues so I didn’t have to call and arrange repairs with anyone else myself. HEP and Patrick are highly recommended for any future needs."

Eric D.

"Jacob Newman was helpful, figured out the issue, and got me a surge protector."

Jeremy D.

"Billy and Aiden did a superb job installing new LP service to my outside patio kitchen. Very pleased with all aspects of their work and demeanor."

Steve W.

"Rob & Patrick both did a fantatic job evaluation & installing a HVAC circuit breaker and a new, HEVO air filtration monitor on the HVAC system. Good job lads!"

William A.

"Josh B was amazing. Effectively found my problem and got my power back on. My grandson will be happy that he will not be in the dark and have another mental episode. Thank you so much to the HEP team getting me in the service rotation with a hectic storm schedule."

Emily K.

"I had a new hvac unit installed. John and AJ were exceptional workers. Very professional and did the job very well. Zach the electrician came and installed the surge protector. Amanda at the office was a tremendous help to me. I use HEP services quite often. I have not been disappointed with any services!!!"

Terry D.

"Brad came out this morning within the scheduled time frame. He was courteous, friendly, helpful, patient in explaining things, and very professional. I look forward to working with Brad and the rest of team as they finish this project and future projects on my heating, electrical, and plumbing projects."

Wylene M.

Reliable Generator Services in Tennessee

Tennessee’s weather can shift from calm sunshine to severe storms in a single afternoon. When lightning, high winds, or ice knock out utilities, homeowners and businesses rely on electrical generators to keep lights on, HVAC systems running, and critical equipment protected. HEP specializes in the professional care of these generators, ensuring continuous power for families and facilities across the Volunteer State.

Why Reliable Power Matters in Tennessee

Power interruptions aren’t just an inconvenience—they can result in spoiled food, lost productivity, and safety risks. A well-maintained generator:

Keeps refrigeration, medical devices, and security systems operating
Protects data centers and sensitive electronics from abrupt shutdowns
Supports sump pumps during flash flooding, preventing costly water damage
Maintains climate control, safeguarding residents during temperature extremes

Comprehensive Generator Services by HEP

HEP delivers end-to-end electrical generator service in Tennessee, covering every stage of ownership—from installation support to long-term maintenance.

Generator Installation Support

Sizing guidance to match load requirements
Site evaluation for optimal placement and ventilation
Coordination with licensed electricians for code-compliant hookups

Scheduled Maintenance

Oil and filter changes at manufacturer-recommended intervals
Battery testing and replacement to avoid cold-start failures
Comprehensive load bank testing to verify real-world performance

Diagnostic & Repair Solutions

24/7 emergency troubleshooting for sudden outages
Replacement of worn belts, hoses, and sensors
Firmware updates on modern inverter and hybrid units

Fuel System Optimization

Fuel quality inspections to prevent injector clogs
Cleaning or replacement of fuel filters and lines
Propane and natural gas pressure checks for efficient combustion

Common Signs Your Generator Needs Attention

Staying alert to early-warning signals prevents minor issues from becoming major breakdowns. Watch for:

Difficulty starting or extended cranking times
Visible leaks of oil, coolant, or fuel
Excessive exhaust smoke or unusual odors
Alarming noises—knocking, grinding, or high-pitch squeals
Dashboard warning lights or fault codes

When any of these symptoms appear, prompt service by HEP technicians restores reliability before the next storm rolls through Tennessee.

The HEP Generator Service Process

Initial Assessment – A certified technician performs a multi-point inspection.
Detailed Report – Findings and recommended actions are documented for transparency.
Precision Repair – Genuine parts and factory-approved procedures protect warranties.
Performance Verification – Load testing confirms the generator meets rated capacity.
Maintenance Schedule – A tailored plan keeps the unit in peak condition year-round.

Benefits of Regular Generator Maintenance

Prolonged equipment lifespan
Reduced fuel consumption and operating costs
Lower risk of carbon monoxide issues from incomplete combustion
Compliance with manufacturer warranty requirements
Peace of mind knowing backup power is ready at a moment’s notice

Areas Served Across Tennessee

HEP’s mobile service fleet reaches clients statewide, including:

Knoxville
Nashville
Chattanooga
Memphis
Clarksville
Murfreesboro
Johnson City
Jackson

For dependable generator maintenance, repair, and optimization anywhere in Tennessee, HEP delivers expertise that keeps the power flowing when it matters most.