GM EnerTech

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About GM EnerTech
GM EnerTech operates as an HVAC contractor serving Glen Cove, New York, and surrounding communities. The business maintains a 4.5-star rating across 4 client reviews, with operating hours Monday through Friday from 8 AM to 5 PM and Saturday from 9 AM to 5 PM. Customers can reach the office directly at (516) 675-4345 to schedule service appointments.
What distinguishes this contractor from competitors stems from their documented commitment to transparent communication and thorough workmanship. Reviewers consistently mention technicians who explain their diagnostic findings and walk homeowners through recommended repairs rather than simply presenting a bill. This approach aligns with customer priorities for understanding exactly what work their HVAC system requires.
Multiple reviewers specifically commend technician Alejandro for his professionalism and detailed attention to HVAC system maintenance. One client described how Alejandro went beyond initial repair requests to ensure optimal system performance, taking time to explain proper maintenance practices. A separate reviewer highlighted the team's reliability and professional demeanor, contrasting with experiences customers have had with other contractors who rush through appointments.
What Customers Say
3 of 4 reviews award 5 stars, with customers specifically praising reliability, professionalism, and attention to detail. The single 3-star review notes the company is competent but expensive, representing the only pricing concern across all feedback.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 9 AM–5 PM |
Services
HVAC Repair
Diagnosis and repair of heating and cooling system malfunctions including compressor issues, thermostat problems, and airflow defects.
Preventive Maintenance
Annual tune-ups designed to catch developing problems early and maintain optimal system efficiency.
New System Installation
Installation of replacement HVAC equipment including proper sizing, ductwork connection, and system testing.
Indoor Air Quality Assessment
Evaluation of filtration needs and recommendations for improving residential air quality.
Emergency Service Response
Priority scheduling for urgent HVAC failures requiring immediate attention.