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.

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Contact Us

Schedule Your AC Tune-Up or Request a Replacement Estimate

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    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:

    Commercial new construction HVAC design

    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 business HVAC system

    Expanding or remodeling spaces

    If your facility layout or occupancy has changed, redesigning your HVAC system helps maintain balanced airflow and optimal temperature control.

    HVAC energy efficiency upgrade

    Energy efficiency upgrades

    Outdated or oversized systems waste energy and increase costs — custom-engineered designs improve system performance and sustainability.

    Uneven airflow in commercial space

    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.

    HVAC system optimization

    System redesign or optimization

    Modernizing your existing HVAC setup with engineered improvements ensures higher reliability, better IAQ, and reduced operational costs.

    Custom HVAC engineering consultation

    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.

    RMI Van
    RMI Technician at Central Florida

    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.

    Get an honest commercial HVAC assessment

    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
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