Same-Day Service
Fast response times
Licensed & Insured
Fully certified technicians
All Brands Serviced
Generac, Kohler & more
Expert Diagnosis
Factory-trained techs
Common Generator Problems We Fix
Our technicians are trained to diagnose and repair all types of generator issues quickly and efficiently
Battery Failure
Dead or weak batteries are the leading cause of generator failures. We test and replace batteries to ensure reliable starting.
Common Symptoms:
- Generator won't start
- Weak cranking
- Battery warning light
Transfer Switch Problems
Faulty transfer switches prevent power from switching to your generator during an outage. We diagnose and repair transfer switch issues.
Common Symptoms:
- Generator runs but no power
- Manual override needed
- Delayed transfer
Control Panel Errors
Error codes and control panel malfunctions can prevent your generator from running. We troubleshoot and repair all control systems.
Common Symptoms:
- Error codes displayed
- Generator won't auto-start
- Warning lights
Fuel System Issues
Clogged fuel filters, old fuel, or fuel line problems can cause poor performance. We clean and service complete fuel systems.
Common Symptoms:
- Rough running
- Stalling
- Reduced power output
- Fuel smell
Our Generator Repair Process
From diagnosis to testing, we follow a proven process to ensure your generator is restored to peak performance
Emergency Response
We respond quickly to your generator repair needs, often same-day service
Comprehensive Diagnosis
Full system inspection to identify all issues, not just symptoms
Transparent Pricing
Detailed estimate before any work begins - no surprises
Expert Repair
Factory-trained technicians fix the problem right the first time
Testing & Verification
Load testing to ensure your generator performs under real conditions
Preventive Recommendations
Advice on preventing future issues and maintenance schedules
We Service All Major Generator Brands
Factory-trained technicians with expertise in all major residential and commercial generators
Generac
Kohler
Briggs & Stratton
Cummins
Honeywell
Champion
Westinghouse
Winco
What Houston Homeowners Say
"AOT Mechanical saved us during the hottest week of summer! Our AC died on a Saturday and they had a technician here within 2 hours. Professional, honest, and fairly priced."
Sarah M.
The Woodlands, TX
"Best HVAC company in Houston! They installed our new system last year and it's been flawless. Lower energy bills and much better cooling. Highly recommend!"
James R.
Katy, TX
"Very impressed with their maintenance plan. The technician was thorough, professional, and caught a problem before it became expensive. Worth every penny!"
Maria G.
Sugar Land, TX
Service Area
AOT MechanicalThe Woodlands & Houston
Texas 77380
United States
Contact Us
Same-day service for emergencies
Email Us
Fast response to all inquiries
Hours
Mon–Fri 7am–7pm · Sat 7am–5pm · Closed Sunday
Same-day service during business hours