You know that feeling when a nor’easter rolls in, the trees swaying, the anxiety, waiting for the lights to flicker. For most people, that flicker signals the start of a cold, dark couple of days.
But for our customers, it’s just a ten-second pause before the “click.” The engine roars to life, and suddenly the heat is humming and the Wi-Fi is back. It feels like magic, but we tell folks all the time: that “click” doesn’t happen by magic. It happens because of mechanics.
Honestly, you need to stop thinking of your generator like a toaster and start treating it like a car engine parked in your backyard. You wouldn’t let your car sit for three years without an oil change and expect it to start in a blizzard, right? Your generator is no different. It needs care and maintenance so that when the grid fails, your home doesn’t.
Why Maintenance Matters
The sole job of your standby generator is to start immediately when utility power fails. If you wait until the moment of an outage to see if it’s working, you’ve waited too long.
For homeowners in Darien and Westchester, where winter storms can bring extended outages, knowing that your generator will reliably kick on is the definition of comfort. But reliability is non-negotiable. Regular service ensures that all critical components, from the spark plugs to the transfer switch, are tested, cleaned, and adjusted.
Generac and Kohler build incredibly durable machines, but their warranties usually have one key requirement: documented routine maintenance. We provide the certified, detailed records you need to keep your investment protected. This isn’t just about paperwork. It’s about warranty protection.
Our certified technicians address component wear to keep your generator running as efficiently and cleanly as possible. This performance optimization means your unit will run quieter, consume less fuel, and deliver its full rated power to your home, vital factors when you are relying on it for days at a time.
The worst time to discover a problem with your generator is midnight during a blizzard. The small cost of preventative maintenance is vastly outweighed by the cost (and frustration) of a rushed emergency service call. By catching minor issues early, we focus on preventing emergency breakdowns before they turn into a crisis.
Speaking of minor issues, it sounds crazy, but you’d be amazed at what nature can do to a generator. Take a look at this video from one of our techs in the field to see how something as small as ants can impact your system.
Watch: How Ants Can Impact Your Generator System
Seasonal Readiness
We know that power outages aren’t just an inconvenience; they are a seasonal reality. Our certified technicians don’t just follow a generic checklist; they perform seasonal maintenance based on the upcoming weather challenges unique to our region. This focus on seasonal readiness ensures the unit is storm-ready for CT winters, hurricanes, and peak outage seasons.
Before Winter: We focus on ensuring the proper oil weight is used for freezing temperatures, checking battery life against cold starts, and confirming fuel lines and heating elements are functioning perfectly. The goal is to guarantee your unit fires up instantly, even when the thermometer drops below zero.
Before Peak Storm Season: Whether it’s a coastal storm affecting Darien or a strong summer squall in Greenwich, we check for issues related to moisture, debris, and wear and tear that accumulated during the milder months.
By aligning your service schedule with our local weather patterns, we take the stress out of storm season.
Meet Your Options: Our Tailored Maintenance Plans
Being prepared shouldn’t feel complicated. That’s why we’ve designed our maintenance plans to be clear, practical, and easy to understand. No matter what type of generator you own, whether it’s Generac or Kohler, air-cooled or liquid-cooled, our goal is to keep your system ready when you actually need it.
Air-Cooled Generator Service Options
Smaller systems (up to 26kW) that use air to stay cool.
Level 1 Option: Essential Readiness Check
This service focuses on making sure your generator is safe, responsive, and ready to perform. We check the lubricating oil and top it off as needed, inspect and clean the air filter, and examine fuel lines and hoses for any signs of leaks. Our technicians review all generator and Automatic Transfer Switch warning lights, gauges, and operating functions, test the battery charger, and check battery capacity, cleaning the terminals and applying anti-corrosion protection. We also complete a full functional and safety inspection of the generator, generator end, ATS, and related components. With your approval, we run the generator and transfer switch under load to confirm real-world performance and conduct an electrical frequency analysis to ensure the power being produced is safe and stable.
Level 2 Option: Comprehensive Annual Service
This is our more thorough, preventative maintenance option designed to keep your generator running at its best year after year. We start by changing the lubricating oil and oil filter, replacing the air filter, and installing new spark plugs to refresh key engine components. Our technicians inspect fuel lines and hoses for leaks, review all generator and Automatic Transfer Switch warning lights, gauges, and operating functions, and test the battery charger, making adjustments if needed. We also check battery capacity, clean the terminals, and apply anti-corrosion protection. A complete functional and safety inspection of the generator, generator end, ATS, and related components is performed. With your authorization, we run the generator and transfer switch under load to confirm real-world performance and conduct an electrical frequency analysis to ensure stable, safe power for your home.
Liquid-Cooled Generator Service Options
These are generally the larger, more powerful units (22kW and up) that cool the engine using a radiator system, similar to a car.
Level 1 Option: Comprehensive System Inspection
This service is designed to ensure your larger, liquid-cooled generator is operating safely and efficiently. We check the lubricating oil and top it off as needed, inspect the radiator and cooling system, and add coolant if required. Our technicians examine air filters, hoses, and the crankcase breather, inspect fuel lines, vents, and clean the fuel sediment bowl while checking the fuel/water separator. We review all generator and Automatic Transfer Switch warning lights, gauges, and operating functions, and inspect both fan and governor belts, adjusting tension as necessary. Battery performance is also evaluated, including charger operation, battery capacity testing, terminal cleaning, and anti-corrosion protection. A full functional and safety inspection of the generator, generator end, ATS, and related components is completed. With your authorization, we run the system under load and perform an electrical frequency analysis to confirm safe, reliable power output.
Level 2 Option: Ultimate Engine Health
This is our most comprehensive maintenance option for liquid-cooled generators, focused on long-term reliability and performance. We begin by changing the lubricating oil and oil filter, inspecting the radiator and cooling system, and adding coolant if needed. A full coolant analysis is performed to test freeze protection, nitrate levels, and corrosion inhibitors, helping safeguard your engine against temperature extremes and internal wear. We inspect hoses, vents, and the crankcase breather, replace the air filter, clean the fuel sediment bowl, and replace the fuel/water separator. Our technicians also review all generator and Automatic Transfer Switch warning lights, gauges, and operating functions, check and adjust fan and governor belt tension, and test the battery charger. Key ignition components , including spark plugs, points, distributor cap, and ignition rotor are replaced to ensure dependable starting. Battery capacity is tested, terminals are cleaned, and anti-corrosion protection is applied. Finally, we complete a full functional and safety inspection of the generator, generator end, ATS, and related components. With your authorization, the system is run under load and an electrical frequency analysis is conducted to confirm safe, stable power output.
What Actually Happens During a Maintenance Visit?
When you schedule maintenance with New England Total Power, it’s about much more than routine service. You’re getting the confidence that comes from a certified technician carefully inspecting, testing, and verifying every critical part of your generator system, based on the service level you choose.
Engine Health: We focus first on the heart of your generator. That means checking and renewing fluids, inspecting fuel lines and hoses for leaks, evaluating air filtration, and making sure the cooling system is doing its job. For Level 2 services, we take it a step further by replacing key ignition components and filters, helping ensure smooth starts and dependable performance when power is needed most.
Ensuring Electrical Readiness: Your generator is only as reliable as its electrical system. During each visit, we test battery capacity and charging performance, clean terminals, and apply anti-corrosion protection. We also confirm that the Automatic Transfer Switch (ATS) is communicating properly with your home’s electrical panel, so power transfers safely and seamlessly during an outage.
Final System Test: With your authorization, we run the generator and transfer switch under load, allowing the system to power your home just as it would during an outage. This real-world test confirms everything is functioning correctly. We also perform an electrical frequency analysis to verify the power produced is stable and safe for sensitive electronics.
Plan Inclusions at a Glance
For quick reference, here is how the levels compare:
Air-Cooled Generator Maintenance Plans (Up to 26kW)
| Service Component | Level 1 – Essential Readiness Check | Level 2 – Comprehensive Annual Service |
| Service Frequency | Annual | Semi-Annual (Recommended) |
| Generator & ATS Functional / Safety Inspection | ✔ Performed | ✔ Performed |
| Warning Lights, Gauges & System Functions | ✔ Checked | ✔ Checked |
| Battery Charger Operation | ✔ Checked / Adjusted | ✔ Checked / Adjusted |
| Battery Capacity Test | ✔ Tested | ✔ Tested |
| Battery Terminal Cleaning & Anti-Corrosion Treatment | ✔ Included | ✔ Included |
| Fuel Lines & Hoses | ✔ Inspected for leaks | ✔ Inspected for leaks |
| Lubricating Oil | ✔ Checked & topped off | ✔ Oil & filter changed |
| Air Filter | ✔ Checked & cleaned as needed | ✔ Replaced |
| Spark Plugs | ✔ Inspected | ✔ Replaced |
| Run Generator & ATS Under Load | ✔ With authorization | ✔ With authorization |
| Electrical Frequency Analysis | ✔ Performed | ✔ Performed |
Liquid-Cooled Generator Maintenance Plans (22kW and Up)
| Service Component | Level 1 – Comprehensive System Inspection | Level 2 – Ultimate Engine Health |
| Service Frequency | Annual | Semi-Annual (Recommended) |
| Generator & ATS Functional / Safety Inspection | ✔ Performed | ✔ Performed |
| Warning Lights, Gauges & System Functions | ✔ Checked | ✔ Checked |
| Battery Charger Operation | ✔ Checked / Adjusted | ✔ Checked / Adjusted |
| Battery Capacity Test | ✔ Tested | ✔ Tested |
| Battery Terminal Cleaning & Anti-Corrosion Treatment | ✔ Included | ✔ Included |
| Fuel Lines, Hoses & Vents | ✔ Inspected for leaks | ✔ Inspected for leaks) |
| Lubricating Oil | ✔ Checked & topped off | ✔ Oil & filter changed |
| Radiator / Cooling System | ✔ Checked & coolant added if needed | ✔ Checked |
| Coolant Analysis | — | ✔ Freeze point, nitrates & corrosion inhibitors |
| Air Filter(s) | ✔ Checked | ✔ Replaced |
| Fuel Sediment Bowl | ✔ Checked / cleaned | ✔ Checked / cleaned |
| Fuel / Water Separator | ✔ Checked | ✔ Replaced |
| Fan Belts | ✔ Inspected & adjusted | ✔ Inspected & adjusted |
| Governor Belts | ✔ Inspected & adjusted | ✔ Inspected & adjusted |
| Spark Plugs & Ignition Components | ✔ Inspected | ✔ Replaced (plugs, points, cap, rotor) |
| Run Generator & ATS Under Load | ✔ With authorization | ✔ With authorization |
| Electrical Frequency Analysis | ✔ Performed | ✔ Performed |
Specialized Services: Load Banks and Firmware
We are often asked about the technical details, so here is the scoop.
Firmware Updates: As technology evolves, so does the control panel on your generator. Our technicians always monitor for necessary firmware updates during a diagnostic check, ensuring your unit is running the latest software for peak efficiency.
Load Bank Testing: While our standard visits include running your unit under your home’s load, some large or older systems benefit from a dedicated Load Bank Test. This is where we bring a temporary device to push your generator to its absolute maximum capacity. It’s the ultimate way to prove your generator is capable of delivering its full rated power.
Your Local Support Advantage
The quality of your standby generator is only as good as the team maintaining it. When you choose a maintenance plan with New England Total Power, you’re not just hiring a contractor; you’re gaining a dedicated partner. This is the local support advantage our customers rely on.
Our technicians are factory-certified for both Generac and Kohler, and they live right here in the Greenwich, Stamford, and Westchester area. Because we are locally focused, our maintenance plan customers gain a significant advantage. Our plans come with the assurance of fast response times and, for our highest-tier customers, priority emergency scheduling.
We don’t just fix machines; we build relationships. We keep detailed records of every visit, tracking your unit’s performance over its entire lifespan. This long-term customer partnership allows us to protect your home and family for years to come.
Your Peace of Mind is Scheduled
You’ve invested in a powerful solution to secure your home. Now, let New England Total Power be the dependable partner that guarantees your system is always ready.
Choosing a Level 1 or Level 2 maintenance plan is the easiest, smartest step you can take today to eliminate future stress. It’s not just about changing oil; it’s about guaranteeing that when the power goes out, your family stays comfortable, connected, and safe.
Peace of Mind Is Just a Click Away.
Learn More About Our Maintenance Plans & Get a Free Quote!
