Abstract: A method includes retrieving first data from a first data store having a first database topology and second data from a second data store having a second database topology. The first data and the second data are stored in a load data set. The load data set is sorted based on a first identifier field. A first microdatabase is loaded with a first portion of the first data associated with a first value of the first identifier field and a first portion of the second data associated with the first value. A second microdatabase is loaded with a second portion of the first data associated with a second value of the first identifier field and a first portion of the second data associated with the second value. A first key map record for the first microdatabase is generated. A second key map record for the second microdatabase is generated.

Abstract: The present invention provides an Internet based detailed service notification system to inform the contractor of a customer in need of HVAC servicing. The thermostat has Internet connectivity provided to it. Whenever the customers need servicing or repair of their HVAC devices, they have a special menu/interface at their disposal in their thermostat which assists the customer's service request to be registered on the thermostat company's web server. The company's web server having all the details of the thermostat owner, then automatically forwards these details to the preferred contractor through SMS, through email or an automatically generated call. The details include the address details, phone numbers, type of service needed e.g. servicing, repairing, new device installation, replacement and the like.

Abstract: The present invention provides an Internet based detailed service notification system to inform the contractor of a customer in need of HVAC servicing. The thermostat has Internet connectivity provided to it. Whenever the customers need servicing or repair of their HVAC devices, they have a special menu/interface at their disposal in their thermostat which assists the customer's service request to be registered on the thermostat company's web server. The company's web server having all the details of the thermostat owner, then automatically forwards these details to the preferred contractor through SMS, through email or an automatically generated call. The details include the address details, phone numbers, type of service needed e.g. servicing, repairing, new device installation, replacement and the like.