Generator Maintenance in Merrick, NY
We take immense pride in ensuring that your whole house generator operates at its best, providing you with reliable backup power during any unforeseen events.
The Importance of Generator Maintenance and Oil Changes:
Your generator is a lifeline for your home, ensuring your family's safety and comfort during power outages. Regular maintenance and oil changes are critical to keeping your generator in peak condition for several reasons:
Reliability: Routine maintenance helps identify and address potential issues early on, ensuring that your generator is always prepared to activate when you need it the most.
Optimal Performance: A well-maintained generator performs efficiently, delivering the required power without any interruptions or inefficiencies.
Longevity: With our expert maintenance, you can extend the lifespan of your generator, protecting your investment for years to come.
Safety: Safety is our top priority. Our thorough inspections help detect any safety concerns, providing you with peace of mind.
Don't wait for the next power outage to find out if your generator is ready to serve you. Whether you are a homeowner or a business owner in Merrick, NY, Mohrmann Electric is here to assist you with all your generator maintenance and oil change needs. Reach out to us today to schedule an appointment or to learn more about our services.
Let us take care of your generator so you can have the peace of mind knowing your home is protected. Contact Mohrmann Electric now and experience the difference our expert service can make for your generator and your family in Merrick, NY.
Merrick, NY at a glance
Mohrmann Electric & Generator has completed 25 jobs in Merrick, NY between February 2026 and September 2026.
The 10 customer reviews shown here average 5.0 out of 5.
The most recent job was on September 29, 2026.
Mohrmann Electric & Generator has completed 37 jobs in Merrick, NY in the last 12 months. The first job there was in June 2023.
Job Locations and Reviews
Jose was very courteous. Knowledgeable and a kind person. He did a thorough job with the generator service. He is definitely a very responsible worker
Thank you for taking the time to write a review, we appreciate your business
Oil change and simulated power failure Merrick New York
Checked oil levels and replaced negative battery terminal Merrick New York
Jose was informative and very helpful
Set up mobile link for customer North Merrick New York
Checked for oil leaks and checked history for alarms Bellmore New York
Annual maintenance on 14KW standby Generac generator. During the maintenance the technician found and replaced fuel selector grommet. Once the maintenance was completed, technician simulated a power outage and preformed a full transfer. Merrick New York
Full maintenance preformed on generator. Technician tested battery voltage and advised the customer the battery is 5 years old and should be replaced. We will replace battery on next visit which will be scheduled 6 months from this service. Merrick New York
Annual maintenance on 20KW Generac generator. Generator is located in a flood zone, so it was installed on a raised platform to prevent damage during a storm. Nothing found faulty and battery tested good. Wiped machine down and left clean once the maintenance was complete.
Cleaned ATS and checked for tight connections for any failure points Merrick New York
Checked 10Kw for oil leak and gapped the spark plugs . Generator ran about 3 hours In December during a power outage Merrick New York
Maintenance on 45 kw liquid cooled generator Merrick New York
Very thorough with his review and work. Explained everything he saw and things I should look out for
Thank you for the kind words, Sam, and we appreciate you taking the time to share your experience with our thorough inspection process and detailed explanations.
Maintenance of generator, including an oil change, replace oil filter and air filter, full electrical check on automatic transfer switch and check all electronics in generator computer left generator properly working at time of service
Inspected generator oil spark and air box. Merrick New York
Replaced low oil pressure switch and inspected ATS connections and voltages Merrick New York
I performed a full tune-up on the 22 kW Generac generator: I changed the oil, completed a thorough system check, and ensured the software was up to date. Everything is working perfectly
A diesel standby generator uses diesel fuel that is contained under the unit in a holding tank. The customers fuel company delivers the diesel fuel making this unit virtually no work for the customer. This install was completed last year, and the customer is very satisfied with the purchase and the installation.
Conducted annual maintenance on a 22Kw system, ensuring optimal performance and reliability. This involved a comprehensive inspection of all components, including the electrical circuits, control systems, and cooling mechanisms. The firmware was updated to the latest version to incorporate recent improvements and security patches. Diagnostic tests were performed to verify system functionality and address any potential issues. The maintenance process adhered to industry standards and best practices, ensuring the system operates efficiently and safely. All work was completed with precision and attention to detail.
Conducted annual maintenance on a 22Kw system, ensuring optimal performance and reliability. This involved a comprehensive inspection of all components, including the electrical circuits, control systems, and cooling mechanisms. The firmware was updated to the latest version to incorporate recent improvements and security patches. Diagnostic tests were performed to verify system functionality and address any potential issues. The maintenance process adhered to industry standards and best practices, ensuring the system operates efficiently and safely. All work was completed with precision and attention to detail.
I conducted a comprehensive annual maintenance check on a 22KW system. This involved meticulously adjusting the time settings on the controller to ensure optimal performance. I also replaced the battery, ensuring the system would operate efficiently and reliably. The controller was calibrated to maintain precise timing, and the new battery was installed to guarantee uninterrupted service. Merrick New York
Annual maintenance 20Kw adjusted time and checked ATS connections/voltages Merrick New York
Annual maintenance 16KW checked ATS connections/voltages and simulated power failure Merrick New York
Jonathan was very thorough!! He was kind and friendly!!!
Thank you, Stacey! I'm delighted to hear about your positive experience with Jonathan. We strive to provide thorough, kind, and friendly service to all our customers, and I'm glad we met those expectations for you.
Tune up and battery replacement
Annual maintenance 22Kw reset maintenance Merrick New York
Annual maintenance 22Kw reset maintenance Merrick New York
Annual maintenance 20Kw Kohler reset maintenance Merrick New York
Annual maintenance 17Kw Briggs and Stratton Merrick New York
Efficient Service
Great service. Technician was on time, knowledgeable, and friendly.
"Thank you for your kind words! We appreciate your business and are committed to providing excellent service to all of our customers.
Denis arrived yesterday to do the routine maintenance on our Generac generator which is a couple of years old. From my initial call to their office, to the conclusion of Denis's visit, they were very professional, efficient, and courteous. We are very happy with their thorough work performance! Would definitely recommend!
We’re incredibly thankful for your continued support and for sharing your positive experience with your generator service. Loyal customers like you inspire us to strive for excellence
Excellent service
Thank you for your review! We're always striving to provide the best possible experience for our customers, and your feedback is invaluable in helping us achieve that.
Excellent service
Dennis and Johnny were beyond amazing. Dennis explained everything to me and relieved me of my worries over safety. So personable, great experience, great service!!