Abstract: A method, apparatus, and product, comprising performing, in an environment where a Heating, Ventilation, or Air Conditioning (HVAC) unit is deployed, the steps of: performing a testing phase that is configured to test an influence of the HVAC unit on a temperature of the environment, by: performing a testing sequence that comprises a sequence of two or more actions, wherein an action comprises instructing the HVAC unit to change its target temperature, and performing measurements of effects of the actions on the temperature of the environment; based on the testing phase, generating a temperature profile that indicates the influence of the HVAC unit on the temperature of the environment; and based on the temperature profile, generating a recommendation for a utilization of the HVAC unit.

Abstract: A method, system and product, comprising: determining, in an environment where an air purifier and a fan-based device are deployed, an operation to be performed by the fan-based device, wherein the operation is configured to achieve a desired effect together with a purifying operation of the air purifier, wherein the air purifier and the fan-based device are physically separated, wherein the air purifier is being operated to purify an air within the environment, wherein said determining the operation comprises selecting a configuration for the fan-based device that is configured to cause the fan-based device to perform the operation; and instructing the fan-based device to implement the configuration, whereby causing the fan-based device to perform the operation; whereby the air purifier and the fan-based device achieve the desired effect together.