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Understanding the Critical Role of HVAC Parts in the Commercial HVAC Industry

Hobbs & Associates HVAC Parts Distributor

Welcome to the Hobbs & Associates HVAC Blog! In today's post, we're diving into an often-overlooked yet crucial aspect of the commercial HVAC industry—HVAC parts. This topic was the focal point of a recent The Engineers HVAC Podcast episode, where Tony Mormino sat down with Justin Betz, an HVAC parts expert from Energy Transfer Solutions. This discussion provides invaluable insights for mechanical engineers, contractors, and building owners, emphasizing the importance of parts in the lifecycle of HVAC systems. Let's explore the key takeaways and practical advice Justin shared during the podcast.

The Importance of HVAC Parts in System Design and Maintenance

When designing a commercial HVAC system, the focus is typically on selecting the right equipment to meet the building's heating and cooling needs. However, as Justin points out, parts play a critical role in these systems' long-term performance and reliability. He highlights that from an engineering standpoint, consideration of parts should be integral to the decision-making process. Here are some key recommendations for engineers and contractors:

  • Evaluate the Availability of Parts: When specifying HVAC equipment, it is crucial to consider the availability of parts. Ensure that the equipment manufacturer or representative stocks essential parts locally. This can significantly reduce downtime in case of a failure.

  • Understand the Maintenance Requirements: Different HVAC systems have varying maintenance needs. Ensure that the maintenance team is familiar with the equipment installed and has access to the necessary parts to keep it running efficiently.

  • Consider Local Support: The proximity of a parts warehouse or a manufacturer’s facility can make a big difference. Quick access to parts can be a lifesaver, especially in critical facilities like hospitals or data centers where downtime is not an option.

Common Challenges and Solutions in HVAC Parts Management

Justin shared some of the common challenges faced by those in the HVAC parts business and offered practical solutions to address them:

  • Stocking Critical Spare Parts: Critical facilities need a comprehensive spare parts list. This list should include controllers, pressure switches, and condenser fan motors, not just basic components like belts.

  • Understanding Warranties: Warranties can be complex and vary widely between manufacturers. It's important to understand the terms, including the difference between parts and labor warranties. Ensure all necessary documentation and data readings are submitted to activate and maintain these warranties.

  • Navigating OEM vs. Aftermarket Parts: Original Equipment Manufacturer (OEM) parts are generally preferred for their reliability and compatibility. However, aftermarket parts can sometimes offer cost savings. The decision should be based on factors like the criticality of the equipment and the potential impact of downtime.

The Value of a Reliable Parts Distributor

A reliable parts distributor can make a significant difference in the smooth operation of HVAC systems. Justin emphasized the importance of:

  • Inventory: A well-stocked inventory is critical. Distributors should focus on key brands and ensure they have a range of parts readily available.

  • Expertise: Knowledgeable staff who understand the equipment and can provide technical support are invaluable. This helps diagnose issues accurately and ensure the correct parts are supplied.

  • Customer Service: Strong customer service is essential. This includes quick and accurate parts fulfillment and support in troubleshooting and resolving issues.

Practical Advice for Contractors

For HVAC contractors, maintaining a beneficial relationship with parts suppliers is crucial. Justin offered several tips to ensure the best outcomes:

  • Communicate Effectively: Open lines of communication with your parts supplier. Share the details of the issues you're facing and seek their advice. They may have encountered similar problems and can offer solutions.

  • Develop Relationships: Build relationships with both parts specialists and account executives. Having a network of contacts who are familiar with your needs can expedite the resolution of issues.

  • Utilize Training Resources: Take advantage of training programs offered by manufacturers and distributors. Sending technicians for training ensures they are well-versed in the equipment they will be working on, which can prevent many issues from arising in the first place.

Case Study: The Impact of a Well-Stocked Parts Warehouse

Justin shared an illustrative case where a well-stocked parts warehouse made all the difference. A local building had a cooling tower failure due to a vibration issue. The parts required for the repair were urgently needed, and thanks to the well-stocked warehouse, the parts were sourced and delivered promptly. The building was back online within hours, avoiding what could have been a significant disruption.

Looking Ahead: The Future of HVAC Parts Distribution

The HVAC industry is constantly evolving, and parts distribution is no exception. Justin highlighted a few trends to watch:

  • Increased Stocking of VRF Parts: With the growing popularity of Variable Refrigerant Flow (VRF) systems, more distributors are beginning to stock parts for these systems locally. This trend is likely to continue as the demand for VRF systems increases.

  • Enhanced Training Programs: As systems become more complex, training needs grow. Manufacturers and distributors invest more in training programs to ensure technicians are well-equipped to handle the latest technologies.

  • Improved Customer Service Models: The role of the manufacturer’s rep is evolving to include more customer service responsibilities. This dual focus on sales and service helps ensure that the manufacturer and the customer are well-supported.

Hobbs & Associates HVAC Parts Distributor


The discussion between Tony Mormino and Justin Betz underscores the critical importance of parts in the commercial HVAC industry. The insights shared provide valuable guidance for mechanical engineers, contractors, and building owners, from ensuring availability and understanding warranties to choosing between OEM and aftermarket parts. At Insight Partners, we believe that a well-informed approach to parts management is essential for the success of any HVAC project. We encourage you to consider these insights in your next project and look forward to continuing to support the HVAC community through education and empowerment.

For more information on HVAC parts and to explore our training programs, visit our website or contact our team - Parts | Hobbs & Associates. Together, we can ensure the reliability and efficiency of your HVAC systems.

For more detailed insights, check out the full episode on The Engineers HVAC Podcast. You can listen to this episode here: The Critical Role of HVAC Parts with Justin Betz

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