Generator Installation & Repair
Keep your home powered during outages with professional generator installation. MTL Electric installs and services whole-house generators and backup power systems throughout Suffolk County & Nassau County.
Whole-house standby power
When the grid goes down, a standby generator brings your home back in seconds — automatically. We size it, install it, coordinate the fuel connection and handle permits and inspection.
Standby generators
Professional installation of the major brands.
- Generac Guardian 11-26kW
- Kohler residential
- Briggs & Stratton
- Cummins residential
Complete installation
From consultation to commissioning.
- Load calculation & sizing
- Automatic transfer switch
- Pad, fuel & utility coordination
- Permits & inspection
Sizing guide
Matched to what you actually need to power.
- 7-12kW — essential circuits
- 13-20kW — most of a typical home
- 22-26kW — whole house incl. central A/C
Maintenance & repair
Keep it ready for the next storm.
- Annual service contracts
- Oil, filter & battery service
- Transfer switch testing
- 24/7 emergency service →
Four steps, no surprises
Call or text
Describe the job. We answer directly and book a visit that fits your schedule.
Written quote
A clear, itemized price reviewed with you before any work starts.
Permitted work
We pull permits where required and do the work to code — no subcontractors.
Inspection & cleanup
We schedule and pass the inspection, then leave your home the way we found it.
The owner is the electrician
We have 10+ years wiring Long Island homes — new construction, renovations and high-value real estate. The electrician who quotes the job does the job and answers the phone after.
Generator questions
Straight answers for Long Island homeowners.
What size generator do I need?
It depends on what you want to keep running. We do a load calculation during the free consultation — essential circuits typically need 7-12kW, whole-house coverage with central A/C runs 22-26kW.
Do you handle the gas line and permits?
We manage the full installation including permits and inspection, and coordinate the natural gas or propane connection where required.
Do you service generators after installation?
Yes — annual maintenance contracts, oil and filter changes, battery replacement and transfer switch testing.
Never Lose Power Again
Professional generator installation for complete peace of mind. Free consultations available.