Green Mountain Air System - Professional AC Repair & Installation

Our Services

AC Repair

Quick, reliable repairs for all makes and models. Our expert technicians diagnose and fix issues fast to restore your comfort.

New Installation

Expert installation of high-quality air conditioning systems. Energy-efficient solutions tailored to your home or business.

System Replacement

Safe and efficient replacement of outdated AC systems. Upgrade to modern, energy-saving units with professional service.

Maintenance

Preventative maintenance plans to keep your AC running smoothly. Regular tune-ups extend system life and improve efficiency.

About Green Mountain Air System

At Green Mountain Air System, we're dedicated to keeping homes and businesses in Alhambra and surrounding areas comfortable year-round. With years of experience in the HVAC industry, our team of certified technicians provides top-quality air conditioning repair, installation, and maintenance services.

Why Choose Us?

24/7 Emergency Service

AC problems don't wait for business hours. We're available around the clock for emergency repairs.

Licensed & Insured

All our technicians are fully licensed, insured, and continuously trained on the latest HVAC technology.

Upfront Pricing

No hidden fees or surprise charges. We provide detailed estimates before any work begins.

Quality Guarantee

We stand behind our work with comprehensive warranties on parts and labor for your peace of mind.

Our Mission

Our mission is simple: to provide fast, reliable, and affordable air conditioning services that exceed our customers' expectations. We believe everyone deserves to be comfortable in their home or workplace, and we're committed to making that happen with honest service and expert craftsmanship.

Our Work Gallery

Modern Heat Pump Installation

Energy-efficient system installation for residential property

Professional AC Repair

Expert technician performing comprehensive system diagnosis

Commercial HVAC Service

Furnace inspection and maintenance for commercial clients

Preventative Maintenance

Regular maintenance to ensure optimal system performance

What Our Customers Say

"Green Mountain Air System saved the day! Our AC went out during a heatwave, and they had a technician at our house within 2 hours. Professional, knowledgeable, and the repair was done quickly. Highly recommend their emergency service!"

- Sarah Martinez, Alhambra, CA

"I've used Green Mountain for both installation and maintenance. Their team is always punctual, courteous, and thorough. The new AC system they installed has cut my energy bills by 30%. Best HVAC company in the area!"

- James Chen, Pasadena, CA

"Outstanding service from start to finish. They provided a detailed estimate, explained all my options, and completed the installation on schedule. The technicians were clean, professional, and respectful of my home. Five stars!"

- Maria Rodriguez, San Gabriel, CA

Business Hours

Regular Hours

Monday - Sunday: 24/7

We're available every day of the week, around the clock, to meet all your air conditioning needs.

Service Areas: Alhambra, Pasadena, San Gabriel, Monterey Park, Rosemead, Temple City, and surrounding communities.

Emergency Service

AC emergency? We're here for you 24/7!

+626-721-3499

Fast response times � Expert technicians � Upfront pricing

Your Comfort is Our Mission � Fast & Trusted AC Repair Service