Commercial School HVAC Systems in Los Angeles

At #1 AC Guys, our mission is healthy indoor air for healthy lives—and that includes every classroom, lab, library, gym, and auditorium. We specialize in Commercial, School HVAC Systems across Los Angeles, bringing an engineering‑first approach to design, retrofits, and maintenance that elevates comfort, safety, and efficiency while respecting school budgets and schedules.

Why schools choose #1 AC Guys

We are a 4th‑generation family of engineers with 80+ years of engineering expertise. That depth shows up in our careful load calculations, ventilation strategies, and controls integration. Whether your campus needs targeted classroom upgrades or a district‑wide modernization, we plan phases around bell schedules, after‑hours windows, and breaks to keep instruction on track.

• Engineering‑driven designs tailored to each building type
• Clear documentation, commissioning, and training for staff
• IAQ improvements with MERV‑13+ filtration and fresh air delivery
• Energy‑smart solutions that reduce lifetime ownership costs
• Responsive service across Los Angeles County, Orange County, Ventura County, and Western Riverside County

Ventilation, comfort, and code alignment

We help schools align with industry best practices such as ASHRAE 62.1 for ventilation and ASHRAE 55 for thermal comfort, alongside California Title 24 energy requirements. Our designs consider outdoor air rates, CO2 monitoring, economizers, and demand‑controlled ventilation to maintain indoor air quality while managing energy use.
We also prioritize acoustic performance so classrooms remain quiet and focused.

Systems and technologies we deploy

• VRF/mini‑split systems for flexible zoning and efficiency (Fujitsu, Mitsubishi Elektrik, Midea, Gree, Hier)
• Packaged rooftop units and split systems for classrooms and admin areas
• Dedicated Outdoor Air Systems (DOAS) to deliver and condition fresh air
• High‑efficiency heat pumps for electrification and lower emissions
• Advanced controls and smart thermostats with occupancy scheduling
• MERV‑13+ filtration, UV‑C/UVGI options, and enhanced IAQ monitoring

Services for K‑12, charter, private schools, and colleges

• Design‑build for new construction and modernizations
• Campus‑wide retrofits and phased replacements
• Gym and auditorium comfort solutions for large occupancy swings
• Portable classroom upgrades and ventilation enhancements
• Test, Adjust, and Balance (TAB) and commissioning
• Planned maintenance programs tailored to the school year
• Emergency repairs and rapid diagnostics to protect learning time

Manufacturer‑trained expertise

Our engineers have completed manufacturer training at the factories of Fujitsu (Japan), Mitsubishi Elektrik (Thailand), Midea (China), Gree (China), and Hier (China). That factory‑level insight helps us configure VRF, controls, and service procedures correctly from day one, cutting risk and improving reliability.

Our process

• Campus discovery and stakeholder goals
• On‑site survey, mechanical and electrical assessment
• Load calculations and ventilation strategy
• Energy analysis and lifecycle cost comparison
• Scope, phasing, and safety planning aligned to your calendar
• Installation with QA/QC, commissioning, and TAB
• Controls setup, training for facilities staff, and asset documentation
• Ongoing maintenance with performance reporting

Results you can measure

Expect steadier temperatures, better air changes, lower noise levels, and predictable operating costs. We design for maintainability—filter access, clear labeling, and parts strategies—so your team can keep systems at peak performance. When needs evolve, we plan scalable upgrades that extend system life and protect prior investments.

Service area and project types

We proudly serve Los Angeles County and nearby Orange County, Ventura County, and Western Riverside County. From single‑building campuses to multi‑site districts, we handle classrooms, administration buildings, cafeterias, libraries, STEM labs, portables, gyms, and performing arts centers.

Ready to build healthier classrooms?

Partner with an engineering‑led team that understands the demands of modern education and large, complex projects. Let’s schedule a campus walkthrough and create a clear, phased plan that delivers healthy air, comfort, and efficiency—on time and within budget.