Support Center

Reports - HVAC Regression

Last Updated: Oct 14, 2013 01:35PM CEST

What is it for?

The HVAC regression report helps the Energy Manager and Maintenance staff to check the performance of the global HVAC system. For the selected time range, it calculates the regression between external temperature and HVAC consumption, for both cooling and heating zones, according the reference temperatures configured in the location, so users can detect outliers and inneficiencies.
The Potential savings matrix shows the % of  consumption increase/decrease when changing your internal temperature in 1 ºC or more, giving an idea of how much energy you will save by changing the set-point in your particular HVAC system.
   

Available configurations

  • Automations: on-demand
  • By location (It takes the HVAC device if available, the Main device and the Outdoor temperature)
     

Requirements

  • HVAC / Main device configured in location with data
  • Outdoor temperature device configured in location with data
   

Report explanation

  1. Report title. Report gets its title from the report configuration wizard. 
  2. Date range for the report.
  3. Printed report date.
  4. Customer and location basic information, such as customer name and Location. Depending on available devices, consumption data will be taken from HVAC device or Main device, Temperature data will be taken from Outdoor temperature device.
  5. This part of the chart shows the regression between outdoor average daily temperature and consumption temperature, for the heating zone. Normally, the slope for this regression must be negative. At low temperatures, HVAC system consumes more energy. You must check outliers and variability in consumptions at the same outdoor temperature.
  6. This part of the chart shows the regression between outdoor average daily temperature and consumption temperature, for the cooling zone. Normally, the slope for this regression must be positive. At high temperatures, HVAC system consumes more energy. You must check outliers and variability in consumptions at the same outdoor temperature. 
  7. The matrix expresses how much energy you will consume/save by changing 1ºC or more your indoor temperature set-point. This is the real value for your facility. 
  8. Same as point 7 but for cooling zone.
  9. This charts shows the ratio evolution between consumed energy and average daily outdoor temperature.

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