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Business Details
50 Years
experience
Your Trusted HVAC Partner in South El Monte, CA
Founded in 1976 by Louis O. Monroy Jr., Liberty Climate Control has established itself as a leader in commercial HVAC solutions across Southern California. Our team of highly trained union technicians prioritizes safety and precision, delivering projects on schedule and within budget. With decades of experience in critical infrastructure projects for clients like Verizon and AT&T, we expanded into public works specializing in schools, hospitals, and government facilities.

Maintaining family leadership under Louis O. Monroy III, we combine generational expertise with modern innovation to meet evolving industry demands. Our commitment to quality craftsmanship and client satisfaction has earned us a trusted reputation among general contractors and project owners.
Services
HVAC Installation Commercial HVAC Design-Build Services Emergency Repairs Energy Efficiency Solutions
Details
  • Year established: 1976
Highlights and features
  • 50+ years of specialized HVAC experience in Southern California
  • Union-certified technicians with safety-first work ethic
  • Proven track record with complex public infrastructure projects
  • EMR rating of 0.69 demonstrating superior safety standards
  • Direct leadership from third-generation owner Louis O. Monroy III
Services
HVAC Installation
We provide complete HVAC system installations for commercial buildings, including precision equipment placement and code-compliant ductwork. Our team ensures optimal system performance through proper sizing and energy-efficient component selection. With specialized experience in educational and government facilities, we deliver climate control solutions that meet strict operational requirements while maintaining occupant comfort.
Commercial HVAC
Our commercial HVAC services cover system design, retrofitting, and maintenance for large-scale facilities. We specialize in critical environments requiring precise temperature and humidity control. From initial assessment to final implementation, our union technicians apply industry-leading standards to ensure reliable year-round operation. Our work supports energy savings while maintaining compliance with all applicable building codes and safety regulations.
Design-Build Services
We offer coordinated design-build solutions that streamline HVAC project delivery from concept to completion. Our approach ensures seamless integration of mechanical systems with building architecture. By managing both design and construction phases, we maintain quality control while optimizing timelines and budgets. This service particularly benefits complex projects requiring specialized coordination like multi-phase public works developments.
People
Louis O. Monroy III
President
Third-generation leader with 25+ years in commercial HVAC contracting. Oversees strategic operations while maintaining hands-on project involvement. Holds multiple industry certifications and maintains active membership in construction safety organizations.
Pete Adame
Project Manager
15-year HVAC industry veteran specializing in public infrastructure projects. Manages complex timelines and coordinates multi-discipline teams. Expert in budget oversight and client communication for large-scale mechanical system installations.
Christopher Gunther
Estimator
Certified estimator with expertise in HVAC system cost analysis. Develops accurate project budgets while identifying efficiency opportunities. Maintains current knowledge of material pricing trends and labor cost standards across Southern California.
Questions
What types of HVAC projects do you specialize in?
We specialize in commercial HVAC systems for schools, government buildings, and critical infrastructure facilities across Southern California.
Are your technicians certified and insured?
All our technicians are union-certified with current safety training. We maintain comprehensive insurance coverage including workers' comp and liability policies.
Can you handle large-scale public works projects?
Yes, we've successfully completed HVAC upgrades for multiple public schools, city halls, and government facilities since the 1980s.
What areas do you service?
We primarily serve Southern California including Los Angeles, Orange, Riverside, and San Bernardino counties.