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Generator Services in Northern New Jersey

When a storm rolls through Northern New Jersey and the power goes out, your home should not have to go dark with it. At Reiner Group, we install, repair, maintain, and replace home standby generators so your family stays safe, warm, and comfortable no matter what the weather does. We have served families and businesses across Northern New Jersey since 1934, and backup power is a natural extension of the same promise we have always made: to be responsive, reliable, and here for you when you need us most.

From the first flicker to full restoration, a whole-home generator keeps your lights on, your heat or air conditioning running, your refrigerator cold, and your sump pump working. Whether you are considering your first generator or your current unit is no longer keeping up, our factory-certified team designs a solution sized to your home and your priorities.


Ready to keep your power on no matter what the weather brings? Contact us at (201) 371-7980 to get started with a free estimate!


Why Northern New Jersey Homeowners Choose Reiner 

Backup power is only as good as the team standing behind it. Homeowners across Bergen, Passaic, Essex, Morris, and the surrounding counties trust Reiner for reasons that go back nearly a century:

  • Established and local. Serving the community since 1934. Nearly 90 years in business means we have seen every kind of storm this region can produce, and we install with those conditions in mind.
  • Full design-build capability. Our team includes licensed engineers, electricians, and technicians, so we handle your generator project end to end, from load calculation and permitting to the electrical and gas connections.
  • Factory-certified installers. We are a Generac dealer, and our installers are factory certified with years of hands-on experience in the field.
  • Reputable and reliable. With over 1,000 reviews and a 100% satisfaction guarantee, we stand behind every installation and service call.
  • Here when you need us. Power failures do not wait for business hours, and neither do we. Our team is available 24/7 for the emergencies that matter most.

We deliver personable, professional service with no jargon, no hidden fees, and no rushed work. When Reiner installs your generator, you are not just buying equipment, you are gaining a local partner who will be here for the next storm and the one after that.

How Your Generator Works With Your HVAC System

For most Northern New Jersey homes, the real danger of a long outage is temperature. A summer heat wave or a deep winter freeze becomes a health risk the moment your heating or cooling shuts off, and burst pipes from a cold-weather outage can cause thousands of dollars in damage. This is exactly where a generator and your HVAC system work hand in hand.

A properly sized standby generator keeps your furnace, boiler, heat pump, or air conditioner running straight through an outage, so your home stays at a safe, comfortable temperature the entire time. Because Reiner services both your HVAC equipment and your generator, we size the system correctly the first time and make sure the two work together seamlessly. One local team, one number to call, complete home comfort protection.


Keep your heat and air conditioning running straight through the next outage. Contact us at (201) 371-7980 to get started with a free estimate!

Meet Our Team

24-Hour Emergency service

ALL Makes and Models
  • Generac
  • Mitsubishi Electric Mini Split
  • Lennox
  • Lochinvan
  • Rheem
  • Carrier
  • Trane
  • Bradford White Water Heaters
  • York

Who Benefits From a Home Generator?

A backup generator is not a luxury reserved for large estates. In a region where storms regularly knock out power for hours or days, it is practical protection for a wide range of households:

  • Families with young children or elderly relatives who cannot go without heat, cooling, or refrigerated medication.
  • Anyone who relies on electric medical equipment, from CPAP machines to mobility devices.
  • Homes with a well pump or sump pump, where a power failure during heavy rain can mean no water or a flooded basement.
  • Remote workers and home-based businesses that cannot afford to lose internet, phones, or productivity.
  • Homeowners with finished basements, wine cellars, or freezers full of food that a long outage would ruin.
  • Anyone who simply wants the peace of mind of never scrambling for candles, ice, or a hotel room when the grid goes down.

Signs Your Generator Needs Repair

A standby generator is meant to run when you are not watching, which is exactly why problems can go unnoticed until an outage hits. Call us if you notice any of these warning signs:

  • The generator fails to start automatically, or is slow to kick on when the power goes out.
  • It starts but shuts off on its own, or struggles to hold a steady output.
  • Warning lights or error codes appear on the controller.
  • You hear unusual noises, knocking, or sputtering during operation or self-test.
  • You notice visible fuel leaks, oil leaks, or corrosion on the unit.
  • The generator skips its scheduled self-test, or the test runs longer or louder than normal.

Catching these issues early is far less costly than discovering a dead generator in the middle of a storm. Our technicians diagnose the problem and get your unit back to standby-ready condition.

Signs It May Be Time to Replace Your Generator

Even a well-maintained generator does not last forever. Replacement is often the smarter investment when:

  • Your unit is more than 10 to 15 years old and repairs are becoming frequent or expensive.
  • It no longer keeps up with your home's power needs after additions, renovations, or new appliances.
  • Replacement parts are hard to find because the model is discontinued.
  • The generator runs loudly or inefficiently compared to newer units.
  • It struggles through longer outages that it used to handle without trouble.

Modern generators are quieter, more fuel-efficient, and smarter than units from even a decade ago. We help you weigh repair against replacement honestly, and recommend the path that makes the most sense for your home and budget. 


Trust the team Northern New Jersey has counted on since 1934. Contact us at (201) 371-7980 to get started with a free estimate!

we are reputable Customer Testimonials

At Reiner Group, your satisfaction is our priority! See for yourself what our customers have to say about working with us.

  • "Couldn't recommend more highly."

    The level of professionalism is top notch in all respects.

    - Robert M.
  • "I would highly recommend this company."

    They exceeded my expectations with their top notch service, expertise and quality of installation.

    - Jonathan S.
  • "Very satisfying experience!"

    His timing was quite fortunate for me having a normally working system to cool my house just before the second heat wave of 2023.

    - Gregory B.

The Benefits of Upgrading to a Modern Standby Generator

If your backup power is aging or you are moving up from a portable unit, today's standby generators offer real advantages:

  • Hands-off protection. Automatic operation that starts within seconds of an outage, with no cords, no fuel cans, and no going outside in the storm.
  • Cleaner power. Newer engines deliver clean, stable power that safely runs sensitive electronics and modern appliances.
  • Quieter and more efficient. Advanced units run quieter self-tests and use less fuel than older generators.
  • Remote monitoring. Many modern generators let you monitor status and maintenance from your phone, so you always know your system is ready.
  • Added home value. A permanently installed standby generator is an attractive feature that adds real value and peace of mind for buyers.

Northern New Jersey Storms and Why Backup Power Matters Here

Northern New Jersey sees the full range of power-threatening weather, and the outages are not rare. In August 2020, Tropical Storm Isaias tore through the region and left more than 100,000 Bergen County customers in the dark, with downed trees crushing cars and blocking roads in towns like Teaneck, Wyckoff, and Mahwah. Restoration took days for many households. The remnants of Hurricane Ida followed in September 2021, bringing historic rainfall and dangerous flooding across the state.

The threat is not limited to named tropical systems. Our local utility, PSE&G, regularly activates storm response for the severe summer thunderstorms, high winds, and winter storms that roll through the area, any of which can topple trees onto power lines. Even in a typical outage, PSE&G estimates restoration times of two to eight hours, and after a major storm that window can stretch much longer while crews work through widespread damage.

A whole-home standby generator removes that uncertainty. The moment the grid goes down, your generator starts automatically and restores power within seconds, keeping your home running whether the outage lasts two hours or two days.

Frequently Asked Questions

How long does a standby generator last during an outage?

A properly sized standby generator can run for days as long as it has fuel. Units connected to a natural gas line can run continuously without refueling, which is a major advantage during multi-day outages.

What size generator do I need?

It depends on what you want to power. Some homeowners want to keep only essentials running, such as the furnace, refrigerator, and a few circuits, while others want their entire home covered without interruption. During your free estimate, we calculate your home's load and recommend the right size for your needs and budget.

How often does a standby generator need maintenance?

We recommend professional service at least once a year, plus attention to any issues flagged during the unit's automatic self-tests. Regular maintenance is the single best way to make sure your generator starts when you need it. Generator service pairs well with a Reiner maintenance agreement.

Will a generator keep my heating and air conditioning running?

Yes, when the generator is sized correctly. Because Reiner services both your HVAC system and your generator, we make sure your unit is matched to your heating and cooling equipment so your home stays comfortable throughout the outage.

Do you install generators for my area?

We install and service generators across Northern New Jersey, including Bergen, Passaic, Essex, Morris, Hudson, Union, and the surrounding counties. Call us to confirm coverage for your town.

Serving Northern New Jersey and Beyond

Reiner Group installs, repairs, and maintains home generators throughout Northern New Jersey, including Bergen County, Passaic County, Essex County, Morris County, Hudson County, Union County, and the surrounding areas. No matter where you are in the region, our team is just a call away and ready to keep your home powered through whatever the season brings.

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Why Choose Reiner? What Makes Us Different

Serving Northern New Jersey Since 1934

  • We Are Reiner
    Our employees are our most important asset.
  • We Are Responsive
    24-hour emergency service. ALL makes and models.
  • We Are Reputable
    Don’t just take our word for it...We’ve got over 1,000 reviews!
  • We Are Reliable
    100% satisfaction is our guarantee.
  • We Are Established
    With over 85 years in business, we’ve seen it all!
  • We Are Here For You
    Your home comfort is our mission – how can we help?