Commercial Daikin Rooftop Unit (RTU) Installation in Los Angeles

Why Los Angeles businesses choose #1 AC Guys for Daikin RTUs

We combine deep engineering roots with practical field execution to deliver rooftop unit projects that last. Our fourth‑generation family team brings 80+ years in engineering to system design, equipment selection, controls strategy, and quality installation—tailored to Los Angeles’ climate and codes.

• Specialized in Commercial Daikin RTU installation, replacement, and design‑build
• Expert handling of complex, large‑scale, and multi‑unit projects
• Title 24, LADBS/LACO code, and seismic anchorage compliance
• Crane and rigging coordination for safe, efficient lifts
• BMS/BACnet integration, advanced economizer and ventilation setup
• Clean job sites, clear timelines, transparent proposals

Training matters. Our team has trained at manufacturer facilities including Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). We apply that multi‑brand rigor while installing Daikin rooftop units in strict accordance with Daikin’s published specifications and best practices.

Turnkey commercial rooftop unit installation

From the first site walk to final commissioning, we manage each step so you can focus on your business. Whether replacing an aging packaged unit or adding capacity for a remodel, we deliver a seamless process with minimal downtime.

• Assessment & load calculations to right‑size your Daikin RTU
• Equipment selection, curb adapters, and vibration isolation
• Crane logistics, traffic control, safety plans, and rigging
• Electrical/gas scope, duct transitions, and condensate management
• Economizer setup, demand control ventilation, and sensors
• BMS/BACnet integration and control sequences
• Startup, testing, and documented commissioning

Need a weekend or overnight change‑out?
We’ll coordinate permits, inspections, and lift schedules to keep your business running.

Healthy air and energy savings by design

Our mission is healthy indoor air for healthy lives. In commercial spaces, that means clean ventilation, proper filtration, and smart control strategies that lower energy use while improving comfort and air quality.

• MERV‑13+ filtration and optional HEPA filtration cabinets
• UV‑C coil irradiation for cleaner coils
• Demand control ventilation with CO₂ sensors
• Economizer optimization for free cooling
• Energy recovery and DOAS options for high‑ventilation spaces

We calibrate economizers, verify airflow, and balance systems to deliver comfort, compliance, and efficiency—backed by detailed commissioning reports.

Industries and buildings we serve

• Offices and professional suites
• Retail, strip centers, and malls
• Restaurants and food service
• Warehouses and light industrial
• Healthcare clinics and labs
• Schools, private education, and places of worship
• Hospitality and multifamily common areas

Whether it’s a single 5‑ton replacement or a multi‑roof, multi‑unit Daikin RTU project, we deliver consistent quality across every site.

Service area

We proudly serve Los Angeles County and nearby areas including Orange County, Ventura County, and Western Riverside County. If you’re near the LA metro and need commercial Daikin RTU installation, we’ll get you scheduled quickly.

Transparent brand and training policy

We install Daikin rooftop units and follow all manufacturer installation requirements. Our teams have completed factory training with leading manufacturers—Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)—which strengthens our engineering approach across brands. We do not claim factory training from other manufacturers and always adhere to published specifications and local codes.

Aftercare, maintenance, and support

Protect your investment with proactive care. Our commercial maintenance plans help reduce energy costs, prevent downtime, and extend equipment life.

• Seasonal inspections and filter programs
• Coil cleaning and economizer calibration
• Refrigerant charge verification and leak checks
• Electrical testing and belt/pulley alignment
• BMS trend reviews and control updates

We honor manufacturer warranties per terms and provide clear labor warranties on our workmanship. Ask about planned service agreements tailored to your building.

Get a precise, fast quote

Ready to upgrade to a new Daikin rooftop unit? Contact #1 AC Guys for a site visit and a detailed, line‑item proposal. Our fourth‑generation engineering team delivers safe lifts, clean installs, and code‑compliant commissioning—on time and on budget.

Call or message us to schedule today. Serving Los Angeles, Orange, Ventura, and Western Riverside counties.