Rooftop units: strategies to reduce maintenance and utility costs
Three-part webinar series

Packaged rooftop units (RTU) are used in more than 50% of all commercial buildings. If you haven’t properly maintained or replaced your RTU in several years, there is a strong chance that you are wasting thousands of dollars per unit annually. With a focus on small- to medium-sized businesses, we’ll discuss maintenance strategies and share how much they cost to operate. For example, did you know 20-30% of your utility costs could be due to the time of day the systems are running? 

This 3-part webinar series is targeted to building managers and business owners responsible for heating and cooling expenditures.

Part 1: Inside the lab: Packaged rooftop unit orientation

Join us in the lab for a virtual visual system identification of RTUs and their many components. Get a better understanding of how much energy they consume and how much they cost to operate. Are there ways to save energy on the existing unit? Should you spend money to repair an RTU when it fails or should you replace it with a new unit? Or should you replace it before it fails? Take the mystery out of that overlooked HVAC system on your roof and learn how to make it work for you instead of against you.

As a result of this webinar, you will be able to:

  1. Define the basic components of a packaged RTU.
  2. Describe when an RTU should be replaced.
  3. List common RTU energy improvements.
  4. Identify the importance of “right sizing” replacement RTUs.

Part 2: Rooftop unit energy conservation strategies

View and receive credits at the link on the right.

Now that you know the basics, you will learn how to cost-effectively reduce energy consumption for existing RTUs. You will also be able to identify several energy efficiency technologies associated with RTUs to reduce maintenance costs and save energy. Learn how to determine if your programmable and smart thermostats are operating correctly. We will also share how you can capitalize on incentives from Focus on Energy.

As a result of this webinar, you will be able to:

  1. Discuss cost-effective strategies for existing RTUs to reduce energy consumption.
  2. Identify if programmable and smart thermostats are doing their job.
  3. Describe energy savings associated with technologies such as economizers and demand-controlled ventilation.
  4. List utility rebates and incentives that are available in your community.

Part 3: Optimize your rooftop unit

Join us live on Wednesday, Sept. 23, at 11 a.m. Central

During this final webinar in the series, you will understand the red flags that signal your system may not be optimally operating. We will reinforce ways to save money, reduce energy usage, improve occupant comfort, and help the environment. You will also learn how to better communicate heating and cooling concerns to your local HVAC contractor.

As a result of this webinar, you will be able to:

  1. Describe cost-effective strategies for existing RTUs to reduce energy consumption.
  2. Discuss the impact fan energy has on overall energy consumption.
  3. Define a series of steps to improve your RTU system performance.
  4. Identify and communicate energy usage concerns to local contractor.

Who should view:

Small- to medium-sized business owners, retail/office managers responsibly for heating and cooling costs, HVAC system designers, engineers and contractors, energy efficiency specialists, facility and sustainability managers, and anyone interested in learning more about reducing utility charges with commercial rooftop units.

In order to receive credit for viewing these webinars, you'll need to pass a short quiz (one for each webinar). A link to the quizzes will be provided in your registration confirmation email. Separate registration is required for each individual requiring continuing education credit.

All credits have different expiration dates, so it is to your advantage to take the quizzes as soon as possible.

AFE These programs support a topic within the body of knowledge outlined by the Association for Facilities Engineering CPE/CPMM/CPS Certification Programs, and each should count as 0.1 CEUs (1.0 hours) toward re-certification.

BOC Each webinar offers up to 1 point for BOC certified operators.

BOMI Each webinar is approved for 1 continuing professional development point toward renewal of the professional designations offered by BOMI International.

WI-DSPS Wisconsin Department of Safety and Professional Services has approved these webinars for 1 CEU for the following credential: Commercial Building Inspector Certification. Note that you may not retake the same course for credit more than once during the 1-, 2- or 4-year term of your specific credential.

WI-PE Each webinar is geared towards professional engineers in the State of Wisconsin and offers up to 1 professional development hour (PDH). The course participant must decide if these are qualifying events as defined in the relevant Wisconsin Administrative Code.

These webinars will not be pre-approved for GBCI credits; however, if you believe the content is applicable to your credential, you can self-report credits.

Part 1: Inside the lab: Packaged rooftop unit orientation

  • Technology description
  • Decision criteria for repair vs. replace vs. enhance
  • Top 5 RTU energy retro-fit concepts
  • Visual system identification including heat type, economizer, VFD, etc.
  • The importance of “right-sizing” replacement RTUs

Part 2: Rooftop unit energy conservation strategies

  • Make sure the programmable and smart thermostats are doing their job
  • Optimal economizer settings and adjustments
  • Demand control ventilation (DCV) for energy savings and indoor air quality
  • Focus On Energy utility rebate incentives

Part 3: Optimize your rooftop unit

  • Variable frequency drives (VFD) and staged air volume (SAV)
  • Balancing hydronic boiler heat usage with RTU integral heat
  • Red flags that your system may not be optimally operating

Ryan photoRyan Hoger, Temperature Equipment Corp.

Ryan Hoger, has been with Temperature Equipment Corp. since 1997. He was the 2007-08 president of the Illinois ASHRAE Chapter and is actively involved with several gas/electric utility committees. He has extensive experience with building automation systems (BAS), energy recovery ventilators (ERV), variable refrigerant flow (VRF), demand-controlled ventilation (DCV), and other energy conserving HVAC systems. Ryan has written HVAC articles for various publications and has a Bachelor of Science degree in General Engineering from the University of Illinois.

Free to view; $25 for credit.

Part 1: Inside the lab: Packaged rooftop unit orientation
Please view this on-demand, then register separately in advance for Part 2 and Part 3.
View and receive credits.

Part 2: Rooftop unit energy conservation strategies 
Wednesday, Sept. 2, 11 a.m. Central | View and receive credits.

Part 3: Optimize your rooftop unit
Wednesday, Sept. 23, 11 a.m. Central | REGISTER NOW


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