HVAC (Heating Ventilation and Air Conditioning)
Equipment
Regular maintenance of HVAC systems may increase energy efficiency, a number of
studies quantified the potential energy savings as a result of effective
maintenance. These studies are categorized in terms of: HVAC component failures
and prospective energy savings for correcting failures in question and interviews
with HVAC maintenance specialists. According to these studies the
following energy savings are possible, in terms of HVAC component maintenance
[82]:
In retrospect, best practices in HVAC equipment maintenance may reduce energy
usage in the
range of 10% to 20%, while poor or inadequate maintenance may be responsible for
increased energy
usage on the order of up to 60% [83].
Energies 2020, 13-00569 pages 16-17 from https://www.mdpi.com/
Given that HVAC systems typically account for 44% of commercial buildings’ energy consumption¹, HVAC optimization should be a priority efficiency upgrade after lighting improvements and other low hanging fruit. Full-scale HVAC optimization typically reduces energy usage and costs by 20% to 40%, improves system reliability by operating equipment more efficiently and at optimal temperatures, ensures consistently healthy air quality and building comfort, and reduces a building’s carbon footprint.
https://facilityexecutive.com/2018/04/hvac-efficiency-optimizing-hvac-systems/
If you hire an engineering firm to perform the optimization, you should estimate a cost of 22 cents per square foot to account for labor and hardware. Using this formula, if your building is 100,000 square feet and used a total of $300,000 in utilities in the past year, your potential savings would be $30,000 per year. The cost to get those savings? $22,000, with a simple payback of about 9 months.
https://www.buildings.com/article-details/articleid/9111/title/hvac-optimization-for-energy-savings
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