Trusted Commercial HVAC Experts Since 1999
Custom Design & Engineering
Bring precision and performance to your building’s HVAC system with professional custom design and engineering services. Our expert team creates tailored solutions for commercial projects of all sizes—optimizing airflow, efficiency, and comfort through advanced system planning, load calculations, and energy-efficient design integration.
Contact Us
Schedule Your AC Tune-Up or Request a Replacement Estimate
Commercial HVAC Experts
We diagnose and repair commercial systems others rush to replace — minimizing downtime and cost.
Service Within 48 Hours
Fast response for commercial HVAC issues to keep your business running smoothly.
Second Opinions That Save
Before approving a costly replacement, get a second opinion focused on repair and system longevity.
If RMI Can’t Fix It, No One Can
Repair-first diagnostics for commercial systems — replacement only when truly necessary.
Precision Planning for Peak Performance
When to Consider a Custom HVAC Design & Engineering
Every commercial building has unique airflow, load, and comfort requirements. Properly engineered HVAC systems reduce energy costs, improve performance, and extend equipment life. Here are common situations where a custom design and engineering solution makes all the difference:
New construction projects
For new commercial builds, a tailored HVAC design ensures your system meets precise airflow, zoning, and efficiency needs from the ground up.
Expanding or remodeling spaces
If your facility layout or occupancy has changed, redesigning your HVAC system helps maintain balanced airflow and optimal temperature control.
Energy efficiency upgrades
Outdated or oversized systems waste energy and increase costs — custom-engineered designs improve system performance and sustainability.
Uneven airflow or temperature
Hot and cold spots often signal poor duct layout or load distribution. Our engineers design systems that deliver consistent comfort across every zone.
System redesign or optimization
Modernizing your existing HVAC setup with engineered improvements ensures higher reliability, better IAQ, and reduced operational costs.
Specialized facility needs
From labs and data centers to large-scale commercial spaces, we design HVAC systems tailored to your environment’s technical and comfort demands.

Commercial HVAC Services
Built for Performance.Focused on Reliability.
RMI specializes in diagnosing and repairing commercial HVAC systems that impact comfort, efficiency, and operations. We support businesses, facilities, and property managers across Central Florida with honest, repair-first solutions.
From system failures to ongoing performance issues, our team uses advanced diagnostics to restore reliability — recommending replacement only when it’s truly necessary.
Where We Serve
Proudly Serving the Central Florida Area
RMI is committed to delivering reliable air conditioning repair services throughout the Central Florida region. Our team proudly serves a wide range of cities and communities, including:
- Orlando
- Kissimmee
- Sanford
- Winter Park
- Apopka
- Clermont
- Lakeland
- Altamonte Springs
- And Surrounding Areas