Creating Healthy Learning Environments: Antelope Valley Union High School District’s Long-Term Facility Transformation

Creating Healthy Learning Environments: Antelope Valley Union High School District’s Long-Term Facility Transformation

In the high desert of Southern California, Antelope Valley Union High School District (AVUHSD) serves more than 25,000 students across 20 school campuses. Like many large districts, AVUHSD faced mounting infrastructure challenges, like aging HVAC systems, outdated building controls, and learning environments affected by poor indoor air quality. Add in California’s triple-digit temperatures and COVID-era health concerns, and it became clear to the district’s leaders that short-term fixes were no longer enough.

Rather than take a piecemeal approach, AVUHSD leaders sought a long-term strategy, one rooted in partnership and designed for lasting impact. That’s when they connected with Energy Systems Group (ESG), formerly PacificWest Energy Solutions.

A Multi-Year Roadmap

The collaboration began in spring 2021 at Lancaster High School. Where ESG replaced aging HVAC units and upgraded outdated building automation systems, with enhanced ventilation and wireless controls, school leaders could monitor and adjust airflow across campus, improving indoor air quality while reducing energy use.

The success of that first project led to something bigger: a multi-phase, district-wide facilities renewal plan. Over the next four years, ESG and AVUHSD worked together on six distinct project phases across more than a dozen school sites, including Desert Winds, Littlerock, Palmdale, Highland, and SOAR High.

Cleaner Air, Smarter Systems

Together, AVUHSD and ESG replaced over 600 HVAC units that had exceeded their useful life with high-efficiency models. As a vendor- and equipment-agnostic partner, ESG selects solutions based on performance and longevity, not brand. Every recommendation is made with long-term durability in mind. In California’s high-heat climate, that means choosing equipment designed to last, not just today, but for the hotter, harsher summers 20 years from now.

School Facilities were equipped with:

- New and upgraded major mechanical HVAC equipment
- CO₂ sensors and occupancy-based scheduling to optimize air changes and energy use
- Centralized control systems for classrooms, gyms, and administrative buildings
- Wireless thermostats that offer real-time temperature and ventilation data
- Building automation tools that help staff manage systems proactively

The result? Better comfort, healthier air, and reduced risk of breakdowns, all without disrupting day-to-day school operations.

According to the EPA, improving indoor air quality can help schools increase student performance, reduce absenteeism, and even boost teacher and staff productivity. For AVUHSD, these upgrades were about more than equipment; they were an investment in student and staff success.

A Smarter Way to Fund Projects

One of the district’s biggest challenges wasn’t knowing what needed to be done; it was figuring out how to pay for it. ESG helped AVUHSD secure and combine funding from multiple sources, including ESSER, CARES, CalSHAPE, and other California state programs.

By leveraging these funding streams and structuring the project through an energy savings performance model, AVUHSD could move forward without any upfront capital outlay. That financial flexibility allowed the district to phase improvements over time, prioritizing the highest-need areas, and maintain budget stability.

To date, the district has invested over $36 million in modernizing school facilities and is on track to achieve over $42.7 million in energy and operational savings. With ESG’s support, AVUHSD is creating safer, smarter, and healthier learning environments across the district.

A Future-Focused District

In a time when families are evaluating school quality more closely than ever, AVUHSD’s investment in infrastructure sends a clear message: student health and academic success are top priorities. Cleaner air means fewer absences, improved focus, and a stronger sense of well-being for both students and staff.

This transformation also supports the broader community. Schools often serve as gathering spaces during events and emergencies, and with resilient systems in place, AVUHSD buildings are now better equipped to serve in that role. With upgraded HVAC units, smart controls, and improved ventilation, the district has laid the foundation for healthy indoor environments for years to come.