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5/3/2018 » 5/4/2018
Rocky Mountain Green 2018 Conference

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Brown Bag Series: HVAC Equipment Upgrades
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Brown Bag Series: HVAC Equipment Upgrades

CEU's for this course: coming soon... FREE for members $20 for non members

When: Second Tuesdays
noon - 1:30pm
Where: REI Community Room
1789 28th St.
Boulder, Colorado  80305
United States
Contact: Meagan Forney

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FREE- Guild members
$20 non members- learn more about other benefits of membership

CEU's for this course:


One of the more difficult challenges concerning Commercial HVAC is the persistence of older outdated equipment. Building owners are not normally willing to replace inefficient or poorly functioning equipment due to the capital investment and the lengthy payback period. Older rooftop equipment was manufactured using outdated technology and frequently units lack sophisticated controls and assemblies commonly found in contemporary equipment (less than 5 years old). Further, older rooftop mounted cooling equipment frequently use refrigerant that is not only dangerous to our environment, but also no longer manufactured. Due to regulatory restrictions on their use, these refrigerants have become substantially more costly, substantially increasing maintenance costs. Replacement of the outdated refrigerant with new refrigerant compounds impacts the equipment in terms of efficiency – new refrigerant compounds reduce the efficiency when used in older design rooftop units.

This informative presentation will outline a strategy whereby, through retrofitting existing rooftop HVAC equipment with improved motors, fans and controls and other equipment building owners can:
  • extend the useful life of the HVAC system
  • reduce the maintenance cost;
  • protect the environment by eliminating harmful refrigerants;
  • increase the unit efficiency and thus reduce operating cost;

You will also learn about the HVAC lab at the Rocky Mountain Education Center in Lakewood. The lab provides classwork and training for the next generation of technicians and installers that will provide these services.


Ed Hegwood; Instructor with Rocky Mountain Education Center, Principal – Critical Environments, LLC; LEED AP-OM;is an expert in the evaluation and retrofit strategies increasingly used by HVAC maintenance and installation contractors to upgrade and correct deficiencies in existing rooftop HVAC equipment.

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