Commercial Rooftop Unit (RTU) Installation in Anaheim

When uptime, comfort, and code compliance matter, your rooftop unit deserves a specialist. #1 AC Guys designs and installs commercial RTUs purpose‑built for Anaheim’s climate, your building’s duct layout, and your operating hours—so you get reliable cooling, lower energy spend, and healthier indoor air.

Why Anaheim businesses choose #1 AC Guys

We’re a fourth‑generation, family‑owned HVAC company with 80+ years of engineering experience. Our team is factory‑trained by leaders such as Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). That depth shows up in cleaner designs, tighter installs, and smoother commissioning—especially on large, complex rooftop projects.

• Turnkey RTU replacement and new construction
• ASHRAE/ACCA design, Title 24 compliance, and acceptance testing
• Crane lift logistics, traffic control coordination, and roof protection
• Curb adapters, duct transitions, economizers, and DCV
• Seismic anchorage, electrical upgrades, and controls integration

What’s included in a professional RTU installation

We manage every step to keep your project on schedule and code‑compliant:

• Site assessment and load calculations sized to real occupancy and process heat
• Detailed scope with equipment options, efficiencies, and payback insights
• Permit handling with the City of Anaheim and coordination for inspections
• Curb adapter fabrication, roof sealing, and leak‑safe penetrations
• Seismic restraints and vibration isolation for long‑term durability
• Electrical disconnects, gas piping (where applicable), and controls wiring
• Duct modifications, smoke detector interlocks, and airflow balancing
• Factory‑level startup, commissioning, and owner training

Energy performance and indoor air quality

California Title 24 is built in from day one. We specify high‑efficiency stages or variable‑speed compressors, intelligent economizers, demand control ventilation with CO₂ sensors, and modern digital controls. Expect steadier temperatures, cleaner air, and measurable energy savings—without sacrificing comfort.

Controls and building automation

We integrate new RTUs with your existing BMS or provide stand‑alone smart controls. BACnet‑ready options, remote monitoring, and alarms help you manage comfort and costs from anywhere.

Industries we serve in Anaheim

Retail and restaurants near the Anaheim Resort, office and medical buildings, warehouses, light manufacturing, places of worship, schools, and hospitality properties. If your rooftop is hard to access or the swap is time‑critical, we plan night or weekend lifts to protect your business hours.

Our proven process

1. Discovery: goals, pain points, and budget alignment
2. Engineering: load calcs, unit selection, curb/duct design, and scope
3. Permitting: submittals and AHJ coordination in Anaheim
4. Logistics: crane planning, safety, roof protection, and scheduling
5. Installation: precise rigging, mechanical/electrical, and controls
6. Commissioning: airflow, refrigerant charge, sequences, and training
7. Handover: documentation, warranties, and maintenance plan

Safety and minimal disruption

We coordinate crane lifts, sidewalk/parking closures, and rooftop protection with your property team. Our crews uphold strict safety protocols and keep common areas clean. Most replacements are completed in a single, tightly managed shift.

Brands and compatibility

We install and replace most major RTU brands and match curb adapters to your existing footprint whenever possible to avoid roof rework. Our factory‑trained background across Fujitsu, Mitsubishi Electric, Midea, Gree, and Haier ecosystems helps us solve real‑world compatibility challenges.

Warranties and maintenance

You get clear manufacturer warranties plus our workmanship guarantee. Ask about proactive maintenance to preserve efficiency, extend equipment life, and keep warranties in force.

Local and regional coverage

Based in Southern California, we serve Anaheim and all of Orange County every day. Need multi‑site support? Our service area spans Los Angeles County, Ventura County, and Western Riverside County for consistent standards across your portfolio.

Ready to upgrade your rooftop?

Get a right‑sized, code‑ready RTU that pays you back in comfort, reliability, and energy savings. Contact #1 AC Guys for a no‑pressure assessment and a detailed proposal for your Anaheim property.