Best Types of Commercial AC Systems

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How To Pick The Best Commercial HVAC System For Your Business

Choosing the right air conditioning system for a commercial building is crucial for maintaining a comfortable and productive environment. Various types of commercial AC systems cater to different building sizes, uses, and climate conditions. Here, we’ll explore the best types of commercial AC systems and their applications. Keep reading to learn more, or call On The Mark today for a free consultation on commercial HVAC systems.

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Single Split Systems

Single split systems are the most straightforward and cost-effective type of commercial AC. Each indoor unit is paired with an outdoor unit, making them ideal for small commercial spaces.


  • Cost-effective: Lower initial cost and easy installation.
  • Flexibility: Each unit operates independently, allowing for customized temperature control.
  • Simple Maintenance: Issues are confined to individual units, simplifying repairs.


  • Small offices
  • Retail stores
  • Restaurants

How Are They Different?

Single split systems are best for spaces that require independent control of different areas without a complex installation process.

Multi-Split Systems

Multi-split systems connect multiple indoor units to one outdoor unit, making them suitable for larger buildings with multiple rooms or zones.


  • Space-saving: Fewer outdoor units needed.
  • Energy efficiency: Better energy management compared to single split systems.
  • Versatility: Supports different types of indoor units (e.g., wall-mounted, ceiling-mounted)


  • Larger office buildings
  • Hotels
  • Multi-room retail spaces

What Makes It Different?

Multi-split systems provide a scalable solution for larger buildings where maintaining the aesthetics of the exterior is a priority.

Variable Refrigerant Flow (VRF) Systems

VRF systems are advanced and highly efficient, offering precise temperature control and flexibility. They can heat and cool different zones simultaneously.


  • Energy-efficient: High efficiency and lower operating costs.
  • Adaptable: Can be tailored to various building layouts and uses.
  • Simultaneous Heating and Cooling: Supports different zones with varied needs.


  • Large commercial buildings
  • Mixed-use buildings
  • High-rise offices

What Makes VRF Systems Different?

VRF systems are ideal for complex buildings with diverse climate control needs, offering superior flexibility and efficiency.

Variable Air Volume (VAV) Systems

VAV systems provide variable airflow to different areas of a building, making them ideal for spaces with fluctuating occupancy levels.


  • Energy-saving: Adjusts airflow based on demand, reducing energy consumption.
  • Comfort: Provides consistent climate control in varied environments.
  • Improved Air Quality: Better control over ventilation.


  • Office buildings
  • Schools
  • Hospitals

What Makes VAV Systems Different?

VAV systems are perfect for buildings where occupancy and climate control needs change throughout the day, ensuring optimal comfort and efficiency.

Constant Air Volume (CAV) Systems

CAV systems maintain a constant airflow while varying the temperature of the air supplied, best for spaces with consistent climate control needs.


  • Simplicity: Easy to install and operate.
  • Consistency: Provides stable and reliable climate control.
  • Cost-effective: Lower initial and operating costs in certain applications.


  • Large open spaces
  • Warehouses
  • Auditoriums

What Makes CAV Systems Different?

CAV systems excel in environments where a consistent climate is crucial, making them less suitable for spaces with varying occupancy levels.

Heat Pumps

Heat pumps are versatile systems capable of both heating and cooling, though they can be less effective in extremely cold climates.


  • Dual function: Provides heating and cooling.
  • Energy-efficient: Uses renewable energy sources.
  • Reduced Carbon Footprint: Environmentally friendly option.


  • Mild climate regions
  • Mixed-use buildings
  • Residential-commercial hybrid buildings

What Makes Heat Pumps Different?

Heat pumps are best for moderate climates and buildings that benefit from a combined heating and cooling solution.

On The Mark Heating and Air Conditioning: Your Trusted Commercial HVAC Partner

For businesses in Schaumburg, IL, On The Mark Heating and Air Conditioning stands out as the best supplier and installer of commercial HVAC systems. They service a variety of commercial establishments, including:

  • Medical and dental offices
  • Fitness studios and gyms
  • Small and medium retail businesses
  • Salons and spas
  • And more!

On The Mark Heating and Air Conditioning offers expert advice, professional installation, and reliable maintenance and repair services, ensuring your commercial space remains comfortable year-round. Contact On The Mark for all your commercial HVAC needs in Schaumburg, IL.

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