How long has Air Plus been serving Cincinnati?

Air Plus Heating and Cooling has been serving Greater Cincinnati and Northern Kentucky since 1993. Founded by Rob Raby, the company is family-owned and operated out of Reading, Ohio, and has grown into one of the region’s most recognized HVAC contractors over more than three decades of service.

What does it mean to be a Carrier Factory Authorized Dealer?

Carrier Corporation designates Factory Authorized status only to dealers who meet strict annual benchmarks for technical training, customer satisfaction, and service quality. As a Carrier Factory Authorized Dealer, Air Plus technicians receive direct training on Carrier equipment and are held to a higher performance standard than the industry average. In 2025, Air Plus also received the Carrier President’s Award, which is given to fewer than 1% of Carrier dealers in the country.

Does Air Plus offer same-day heating and cooling service?

Yes. Air Plus offers same-day service for most heating and cooling calls, including weekends. Customers enrolled in the Air Plus Perks program receive 24-hour priority service, 365 days a year, including holidays.

Does Air Plus offer financing for new HVAC equipment?

Yes. Air Plus offers multiple financing options through Wells Fargo Bank, FTL Finance, and Microf. Options include low-interest and deferred-interest plans for qualified applicants, as well as a rent-to-own program through Microf that requires no credit check. Contact our office or ask your Home Comfort Advisor during your free quote appointment to find out which options are available to you.

What is the Air Plus Perks program, and what does it include

The Air Plus Perks program is Air Plus’s annual maintenance membership. Members receive two performance tune-ups per year, 24-hour priority emergency service 365 days a year, up to 40% off all replacement parts, no trip charges on service calls, an energy-saving coil cleaning, and a 30-day labor warranty on all services. The program is designed to extend the life of your system and catch problems early before they turn into expensive repairs.

Commercial Split Systems in Cincinnati, OH

Commercial Split Systems & NATE-Certified Technicians

Commercial buildings rarely heat and cool evenly. Offices get too warm in one section, too cold in another, and traditional single-system HVAC setups struggle to balance the load. Air Plus installs, services, and maintains commercial split systems across Greater Cincinnati. Our NATE-certified technicians design and service systems that deliver balanced comfort, improved efficiency, and reliable year-round performance.

Signs Your Commercial Split System Needs Attention

Commercial split systems usually begin showing performance issues through comfort inconsistencies long before a full failure occurs. These changes are often subtle at first but become more noticeable as the system loses balance across zones

Certain rooms or zones in your building are consistently warmer or colder than others, even though thermostats are set to the same temperature.

This often indicates airflow imbalance between indoor units, refrigerant distribution issues, or system sizing problems that don’t match how the space is actually used.

Your system runs for long periods but specific areas never fully reach the set temperature.

This can point to reduced efficiency in one or more indoor units, restricted airflow from dirty coils or filters, or communication issues between thermostats and the outdoor unit.

One indoor unit appears to run longer or more frequently than others in the same system

This usually signals uneven load distribution, refrigerant imbalance, or a blower motor that is beginning to lose performance, causing that zone to overcompensate.

Temperature control feels inconsistent throughout the day, requiring frequent thermostat adjustments in different rooms

This can indicate control system miscommunication, faulty sensors, or zoning issues that prevent coordinated operation across the building.

Energy costs increase without any change in building occupancy, equipment use, or operating hours

This typically happens when the system is running longer cycles to compensate for declining efficiency in one or more zones.

Airflow feels weak, inconsistent, or uneven in certain rooms despite recent maintenance.

This may be caused by coil buildup, partial blockages, or indoor unit performance degradation affecting only specific zones of the system.

Certified & Trusted Quality

Locally Owned

Since 1993, Air Plus has helped Greater Cincinnati businesses solve uneven temperature problems in offices, clinics, retail spaces, and mixed-use commercial buildings.

Commercial split systems are especially effective in buildings where different rooms serve different purposes such as conference rooms, private offices, reception areas, and customer-facing spaces, each requiring its own comfort level throughout the day.

We design and service systems that match how your building is actually used, not just how it was originally built.

Certified and Insured

Every Air Plus technician is licensed, insured, and NATE-certified with experience in commercial system zoning, multi-unit diagnostics, and split system configuration.

As a Carrier Factory Authorized Dealer and 2025 Carrier President’s Award recipient, we install and service split systems according to manufacturer standards to ensure efficiency, system balance, and long-term reliability.

If your building has inconsistent temperatures or competing thermostat settings, call Air Plus at (513) 769-0871.

What Commercial Split System Service Includes With Air Plus

Split systems require balancing across multiple zones, not just a single equipment check. Our service focuses on system coordination, airflow distribution, and control accuracy.

01 Multi-Zone System Performance Review

We evaluate how each indoor unit is performing relative to the others to identify imbalance, underperformance, or inconsistent output across zones.

02 Airflow and Comfort Mapping

We measure temperature and airflow in each controlled space to determine where comfort is breaking down and why specific areas are not maintaining stable conditions.

03 Communication and Control Diagnostics

We inspect how indoor units communicate with outdoor systems and thermostats to ensure proper coordination across all zones.

04 Refrigerant Balance and Efficiency Testing

We verify refrigerant distribution and compressor load to ensure the system is not overworking or underperforming in certain zones.

05 Indoor Unit Inspection and Cleaning

We inspect coils, filters, and blowers in each indoor unit to remove restrictions that reduce airflow and create uneven comfort levels.

Stop Fighting Uneven Temperatures in Your Building

If different rooms require constant thermostat adjustments, your system is not properly balanced.

Call Air Plus at (513) 769-0871 or fill out the form below. We provide clear diagnostics and upfront pricing before any work begins.

Why Cincinnati Businesses Choose Air Plus for Commercial Split Systems

Commercial split systems are only as effective as their design, balance, and ongoing calibration. Air Plus focuses on making sure every zone in your building performs the way it should, not just at installation, but long-term.

Fix Zone Problems

Most HVAC contractors focus on equipment performance. We focus on how your building actually feels in each zone because comfort problems are usually distribution problems, not just mechanical ones.

Designed for Real Commercial Building Use

We understand how offices, clinics, and retail spaces operate throughout the day, including occupancy shifts, meeting rooms, and customer traffic that affect temperature balance

Precision Multi-Zone Diagnostics

Split systems require more than basic HVAC checks. We measure performance across all zones to identify exactly where imbalance is happening and why.

Carrier Factory Authorized System Expertise

As a Carrier Factory Authorized Dealer and 2025 President’s Award winner, we install and service split systems according to strict manufacturer standards for performance and efficiency.

Frequently Asked Questions About Commercial Split in Cincinnati

How do I know if my commercial building needs a split system instead of a traditional HVAC setup?

If your building has multiple rooms or zones with different heating and cooling needs, Air Plus can evaluate whether a commercial split system is the right solution. Our technicians assess your layout, occupancy patterns, and existing equipment to determine if a zone-based system will improve comfort and efficiency compared to your current setup.

Can Air Plus install commercial split systems in older buildings?

Yes. Air Plus regularly installs commercial split systems in older office buildings, retail spaces, and mixed-use properties across Greater Cincinnati. We design systems around existing structural limitations and work to minimize disruption during installation while improving overall temperature control.

What does Air Plus look for when diagnosing uneven temperatures in my building?

Air Plus technicians inspect airflow balance, indoor unit performance, refrigerant levels, and control system communication between zones. This allows us to identify whether the issue is caused by equipment performance, zoning imbalance, or system design limitations rather than just surface-level symptoms.

How quickly can Air Plus service or repair a commercial split system?

Air Plus prioritizes commercial HVAC service calls, and many split system issues can be diagnosed and addressed the same day depending on parts and system complexity. For urgent comfort or operational issues, our team works to restore balanced temperatures as quickly as possible.

Does Air Plus service commercial split systems that were installed by another company?

Yes. Air Plus services all major commercial split system brands regardless of who installed them. Many Cincinnati businesses call us after previous contractors were unable to resolve ongoing zoning or temperature imbalance issues.

Will Air Plus recommend replacement if my split system still works?

No unnecessary replacements are recommended. Air Plus evaluates system performance, efficiency, and repair viability before making any recommendation. If your system can be repaired or rebalanced, we present that option clearly so you can make a cost-informed decision for your business.

Commercial Split Systems & NATE-Certified Technicians