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Simple Guide to Commercial HVAC for Business Owners

When running a business, especially one that involves engaging with customers or maintaining employee productivity, the last thing on your mind should be the temperature of your environment. Yet, this small detail can impact your business well beyond just keeping your patrons comfortable. Your commercial HVAC system is the unsung hero of your business, silently ensuring the perfect environment. Here, we’ll take a deep dive into why understanding and investing in the right commercial HVAC system can be critical to your business’s success.

Commercial vs. Residential HVAC Systems

One of the most significant differences between commercial and residential HVAC systems is their complexity. Commercial systems are designed to handle larger spaces, are often custom-built to fit the business’s specific needs, and are more intricate due to zoning that allows different building parts to be heated or cooled independently. Their sophistication requires careful planning, regular maintenance, and ongoing management.

Importance of Commercial HVAC Systems for Your Business

A reliable HVAC system is not just about adjusting the temperature — it’s about creating a space where your employees can thrive and your equipment can operate efficiently. Temperature and air quality can significantly impact employee productivity, the lifespan of your inventory, and even customer perceptions. Here’s what a quality commercial HVAC system offers:

  • Employee Comfort and Health: Better air quality and comfortable temperatures lead to a happier and healthier workforce.
  • Energy Savings and Environmental Impact: Modern, high-efficiency systems can save significant energy and decrease your business’s carbon footprint.
  • Preservation of Assets: Proper climate control can directly affect your equipment and inventory’s well-being.
  • Regulatory Compliance: Many business sectors are regulated for indoor air quality standards and ventilation requirements.

Commercial HVAC & Air Quality

Your commercial HVAC system efficiently manages airflow, ensuring fresh air circulation, reducing pollutants, and maintaining a healthy workplace environment. This directly enhances productivity, as employees are less likely to feel sluggish or become ill due to poor air quality.

Energy Efficient Commercial HVAC

Modern HVAC systems have energy-efficient technologies that can significantly save on your utility bills. This isn’t just good for your bottom line — it’s also a step towards reducing your business’s carbon footprint and aligning your operations with community and environmental values. A reliable HVAC system is key to fostering a healthy, productive, and sustainable workplace.

Comfortable Climate Control

Employees work better when they are comfortable, and clients are more likely to return if they enjoy their experience. Climate control is also crucial for preserving perishable goods and maintaining the safety of certain types of machinery.

Understanding Commercial HVAC Systems

The first step in leveraging your HVAC system is understanding what it’s made of and how it operates.

Components and Functionality

Commercial HVAC systems consist of various components such as large air handlers, cooling towers, complex ductwork, and sophisticated control systems. Understanding each part’s role in the system’s function is crucial in detecting issues and ensuring smooth operations.

  • Air Conditioner: This is the most well-known HVAC component. It keeps the air cool and comfortable by removing heat and moisture from indoor air.
  • Compressor: This component compresses refrigerant gases, allowing them to absorb heat from indoor air. It is the heart of your HVAC system, kicking off the loop that helps it manage temperatures.
  • Condenser Coil: The condenser coil receives the hot gas from the compressor and disperses it outside, releasing heat.
  • Evaporator Coil: The evaporator coil absorbs heat and moisture from indoor air, cooling it down and transferring it back into the building as cool air.
  • Air Handler: Includes the evaporator coil and blower. This component distributes the conditioned air throughout the building.
  • Thermal Expansion Valve: Regulates the amount of refrigerant that flows into the evaporator coil.
  • Air Filter: Removes particles from the air flowing through your system.
  • Ductwork: Air distribution plays a crucial role in maintaining comfort levels.
  • Controls and Thermostats: Critical for regulating temperature and air quality.
  • Ventilation Equipment: Ensures proper air exchange and distribution of fresh air.
  • Chillers: Air or water-cooled chill water before it is distributed throughout the building for cooling purposes.

Types of Commercial HVAC Systems

  • Single Split Systems: Ideal for small commercial spaces, offering an affordable and easy-to-manage option for individual room heating and cooling.
  • Multi-Split Systems: Best suited for buildings with multiple rooms, allowing for individual control of the temperature in different areas without occupying much space.
  • VRF or VRV Systems: Variable Refrigerant Flow (VRF) or Variable Refrigerant Volume (VRV) systems provide a versatile solution for medium to large commercial spaces, efficient in both heating and cooling large buildings.
  • Heat Pump Systems: An energy-efficient option that can provide both heating and cooling by transferring heat from one area to another.
  • Rooftop Units: Mounted on the roof, these systems are common in large retail and industrial buildings, offering a compact and centralized solution for air management.
  • Packaged Heating and Air Conditioning System: Common in larger buildings, these house the heating and cooling components in one unit.

Choosing the Right System for Your Business

Selecting the right commercial HVAC system can be as complex as the system itself. This decision will impact your business for years to come, influencing operating costs, maintenance needs, and the ability to adapt to future changes.

Considerations for System Choice

When evaluating different HVAC systems, consider these factors:

  • Size and Capacity: Sizing is not just about square footage; it’s about the number of people, the type of machinery, and the potential heat loads in the space to be controlled.
  • Efficiency and Operating Costs: High-efficiency systems might cost more upfront but can result in savings over the life of the system.
  • Environmental Impact: Many businesses today prioritize HVAC systems that reduce their carbon footprint.
  • Adaptability: Will the system be able to grow with your business, or will it need costly upgrades in the near future?

Commercial HVAC System Types, Advantages, and Disadvantages 

Exploring the different types of commercial HVAC systems is crucial for making an informed decision that best suits your business needs. Here’s a breakdown of the most common systems and their advantages and disadvantages.

Packaged Heating & Air Conditioning Units


  • Compact Design: Ideal for businesses with limited space, as all components are housed in a single unit.
  • Ease of Installation and Maintenance: Simplifies the installation process and centralized maintenance.


  • Limited Customization: May not meet the unique needs of larger or more complex buildings.
  • Potential for Inefficient Energy Use: Can be less efficient than other systems if not correctly sized for the building.

Central Air Conditioning Systems


  • Consistent Comfort: Provides uniform cooling throughout the building.
  • Air Quality Control: Often includes advanced filtration systems that improve indoor air quality.


  • Higher Initial Cost: The installation of ductwork and the system itself can be costly.
  • Requires Space for Ducts: Not suitable for buildings where space for ductwork is not available.

Ductless Mini-Split Systems


  • Flexibility for Zoning: Allows for different temperatures in various parts of the building, enhancing comfort and efficiency.
  • No Ductwork Needed: Ideal for retrofits or additions to buildings without existing ducts.


  • Aesthetic Impact: Indoor units are visible and may not blend well with every interior design.
  • Cost: Can be more expensive than traditional systems, especially when multiple indoor units are required.

VRF/VRV Systems


  • Energy Efficiency: These systems adjust the refrigerant flow based on demand, offering significant energy savings.
  • Scalability: Easily expandable to meet the growing needs of a business.


  • High Initial Investment: The technology and installation costs are higher compared to other systems.
  • Complex Installation: Requires expertise for proper design and installation to ensure efficiency.

Maintaining Your Commercial HVAC System

Having a well-maintained HVAC system is crucial in reducing energy costs, extending the system’s lifespan, and ensuring optimal performance. Regular maintenance also helps detect issues early on, preventing costly repairs.

Maintenance Schedules and Standard Practices

Your maintenance schedule should consider:

  • Regular Filter Changes: Clogged filters can reduce airflow and strain the system.
  • Coil Cleaning: Dirty coils hamper heat exchange.
  • Motor Inspections: Worn-out motors can be a significant cause of HVAC failures.

Common Issues and Solutions

Some of the common HVAC issues faced by businesses include:

  • Short Cycling: When the system turns on and off too frequently, it can signal another issue like the following issues —
  • Refrigerant Leaks: These can lead to warm air or humidity problems.
  • Frozen Coils: Lack of airflow or refrigerant issues can cause coils to freeze
  • Sensor Problems: Faulty sensors can cause your system to malfunction.
  • Leaking Ducts: Leaks can compromise system efficiency.
  • Thermostat Malfunctions: Miscommunications can lead to temperature inconsistencies.

If you encounter any of these problems, it’s best to consult a professional HVAC technician for proper diagnosis and repair. Regular maintenance can also help prevent these issues from occurring in the first place.

The Benefits of a Well-Maintained HVAC System

For business owners, your commercial HVAC system is not merely a mysterious black box but a strategic asset. Taking the time to get to know your system, understand its components, and invest in proper maintenance is a smart business decision. It’s an investment that pays off in terms of employee satisfaction, energy efficiency, and the long-term health of your business operations. Understanding the benefits of proper HVAC maintenance can be the difference between an energy-efficient enterprise and a costly, uncomfortable workplace environment.

Energy Efficiency and Savings

A well-maintained system operates more efficiently, reducing energy costs and increasing savings over time.

Comfort and Productivity

Your employees are your most valuable asset. Properly maintained HVAC systems provide a comfortable working environment, increasing productivity.

Longevity and the Bottom Line

Regular maintenance increases the lifespan of your HVAC system, lowering the total cost of ownership and keeping unexpected repair costs at bay.

Commercial HVAC Installation in Portland

Selecting the proper commercial HVAC system for your business can be daunting. By understanding the complexity of these systems and partnering with an experienced provider, you can ensure that your space is always comfortable and well-maintained.At Jacobs Heating & Cooling, we have years of experience installing and maintaining commercial HVAC systems.  Our specialists walk you through choosing the right system, and then we create specialty ductwork and HVAC parts at our in-house fabrication shop to customize your system to your building’s needs.  Contact Jacobs Heating and Air Conditioning to talk to an HVAC specialist about your options.