Long Island's trusted partner for professional HVAC and plumbing services. Licensed, insured, and committed to exceptional service since 2010.
NUMBERS
Emergency Service
Satisfaction
How we grew into Long Island’s reliable, honest, and professional home service experts
The beginning
GM EnerTech was born from a simple vision: to provide Long Island homeowners with reliable, honest, and professional HVAC and plumbing services they can trust.
Growth and reputation
What started as a small team of dedicated technicians has grown into one of Long Island's most trusted home service companies. We've built our reputation on transparency, quality workmanship, and putting our customers first.
Expansion
Today, we serve over 200 zip codes across Nassau and Suffolk counties, providing 24/7 emergency service and maintaining the highest standards of professional excellence in everything we do.
The principles that guide everything we do
Excellence
We maintain the highest standards of workmanship and use only quality parts backed by manufacturer warranties.
Integrity
We believe in honest, transparent service. No hidden fees, no unnecessary repairs, just straightforward solutions.
Customer First
Your comfort and satisfaction are our top priorities. We treat your home like our own and respect your time.
Expertise
Our technicians receive ongoing training to stay current with the latest technologies and best practices.
Sustainability
We promote energy-efficient solutions that save you money while protecting the environment.
Community
As a local Long Island business, we're committed to serving our neighbors and supporting our community.
Experienced professionals dedicated to your comfort
Luis Granados
Founder & CEO
Sarah Johnson
Operations Director
Robert Martinez
Lead HVAC Technician
Marcus Williams
Lead Plumber
Proudly serving Long Island families with reliable HVAC and plumbing solutions and a strong commitment to our local communities.
Recognized across Long Island for service excellence and industry leadership, with certifications and honors that highlight our commitment to quality and customer care.
The credentials behind our promise
Recognized for excellence and trusted by leading brands
