The HVAC Service Assistant™ is a simple and easy-to-use diagnostic tool that provides expert diagnostic analyses of HVAC equipment.  It automates the detection, diagnosis and reporting of problems. By calculating the efficiency and capacity of units, the HVAC Service Assistant™ produces reports detailing energy savings and automates data collection and analysis into an easy to understand presentation. The Web-reporting service makes it easy to upload service data from multiple service calls to one central server. Uploading data to the Web is simple. The PDA will sync the data collected to a secure server.

Features and Benefits:

• Enhances revenue opportunities 
  
• Increases customer satisfaction 
  
• Improves consistency of service 
  
• Increases equipment efficiency
  
• Identifies service deficiencies 
  
• Provides Lifetime Account Management 
  
• Helps contractors stand out from the competition

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The HVAC Service Assistant™ collects all necessary data to detect every fault and degradation found in air conditioning refrigeration cycles and then informs the service technician of the existence of these conditions, the impact of these faults on energy consumption and the available savings potential. It also suggests effective ways to mitigate these problems. When data collected by the HVAC Service Assistant™ is synchronized to servers, custom reporting permits technicians, facility owners and service managers to document the operating conditions of every unit and every circuit both before and after service measures are performed.

  Records 6 key measurements:

• Suction pressure
  
• Liquid pressure
  
• Suction temperature
  
• Liquid temperature
  
• Ambient temperature
  
• Return air dry-bulb and wet-bulb temperature
  
• Supply air dry-bulb and wet-bulb temperature
  

Calculated performance indices are used to identify faults in the unit. From the resulting diagnostic messages, technicians are able to produce better running equipment.  

The result is:

• Enhanced reliability
  
• Additional cooling capacity
  
• Energy efficiency
  
• Reporting that documents these gains and allows managers, contractors and technicians to understand where the opportunities are and how to achieve the benefits.
  

The measurements also enable the HVAC Service Assistant™ to calculate the Efficiency Index (EI) and Capacity Index (CI) providing a snapshot of the overall health of a unit. With the EI and CI recorded we are able to quantify the energy cost of operating at reduced efficiency or capacity.

Field Diagnostics processes, protocols and reporting build feedback into every step of the maintenance and repair process. Using the HVAC Service Assistant™ provides objective information to technicians on the rooftop, to their service managers monitoring the work that is being performed, and to end users and facility owners who want to know the true status of their equipment. With the data transmitted from the databases housed on Field Diagnostics servers and accessed via the Service Assistant Online web service, reports are generated to address:

• How efficiently units are running
  
• How to prioritize retro-commissioning or tune-up measures
  
• How much lower the electric usage will be when the tune-up is completed
  

The result is that managers can measure the impact of their service and maintenance expenditures and feel comfortable they are making good decisions, while contractors will feel certain that they are delivering good value to their customers and effectively differentiating themselves from competitors. At the same time, technicians will know that they are doing the right things for their employers and customers and that that fact will be known to the decision maker.