Long Beach Commercial Office Building HVAC Services

In Long Beach, office buildings demand HVAC systems that balance comfort, energy efficiency, and air quality—all while supporting uptime for tenants and property managers. #1 AC Guys is a fourth-generation family business with 80+ years of engineering experience, trusted for large and complex commercial projects across Los Angeles County. Our specialists are factory-trained by Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China), ensuring your system is engineered and commissioned to high standards. When it serves your project’s objectives, we integrate AC PRO product lines and parts to streamline sourcing and serviceability.

Why office properties in Long Beach choose #1 AC Guys

We combine deep engineering with practical field execution. That means accurate load calculations, right-sized equipment, clean duct design, and controls that are intuitive for tenants and facility teams. Our mission—healthy air for a healthier life—guides every decision, from ventilation rates to filtration upgrades and economizer settings.

• 80+ years of engineering expertise, 4th‑generation family team
• Factory-trained by Fujitsu, Mitsubishi Electric, Midea, Gree, and Haier
• Design-build delivery for speed, accountability, and cost control
• Advanced ventilation and filtration strategies for healthier workplaces
• Clear proposals, code-conscious designs, and quality assurance

Design-build and retrofit expertise

Whether you are modernizing an older mid-rise or building out a new tenant space, our design-build approach compresses schedules and minimizes change orders. We coordinate with your GC, architect, and building engineer to align HVAC performance with acoustic, aesthetic, and operating cost targets.

• Load calculations, duct layout, and equipment selection
• VRF/VRV, rooftop units (RTUs), heat pumps, and split systems
• Dedicated Outdoor Air Systems (DOAS) and economizers
• VAV, zoning strategies, and controls/BMS integration
• Demand-controlled ventilation with CO2 monitoring
• Filtration upgrades (MERV-13+), HEPA local solutions, and UV-C options
• Retro-commissioning and sequence-of-operations optimization

AC PRO integration and supported brands

We specify and source equipment and parts through AC PRO when it best serves lead time, budget, and serviceability. Our factory training spans Fujitsu, Mitsubishi Electric, Midea, Gree, and Haier systems, allowing us to maintain and optimize a wide array of commercial solutions while keeping lifecycle costs in check.

Preventive maintenance for office uptime

Reliable HVAC keeps tenants comfortable and leases strong. Our commercial maintenance programs reduce breakdowns, stabilize utility spend, and extend equipment life with proactive inspections and predictive recommendations.

• Seasonal tune-ups with detailed reporting
• Filter and belt programs tailored to usage
• Coil cleaning and airflow verification
• Controls calibration and trend analysis
• Priority service for maintenance clients

Healthy air, lower operating costs

We help property teams meet stringent California requirements while improving occupant wellness. Smarter ventilation, right-sized equipment, and optimized controls can lower energy intensity without sacrificing comfort. Our goal is healthy air for a healthier life—delivered efficiently.

Typical office HVAC scopes we deliver

• Headquarters, multi-tenant floors, and TI build-outs
• Lobby, conference, server/MDF/IDF cooling solutions
• Parking ventilation and stairwell pressurization coordination
• Economizer retrofits and DOAS integrations
• BMS integration and sequence updates

Service coverage

We serve Long Beach—including Downtown, East Village, Bixby Knolls, Airport Area, and the Port-adjacent districts—plus greater Los Angeles County and nearby regions: Orange County, Ventura County, and Western Riverside County.

What to expect when you work with us

• On-site assessment and engineering review
• Clear, code-conscious proposal with options
• Coordinated installation and commissioning
• Training for facility staff and turnover documentation
• Responsive warranty support and stocked parts via AC PRO sourcing

Get a proposal for your Long Beach office

Ready to upgrade comfort, air quality, and efficiency? Contact #1 AC Guys to schedule a walkthrough. We’ll evaluate your goals, provide a detailed plan, and deliver a commercial HVAC solution built for Long Beach office performance—today and for years to come.