Considering the growing sensitivity and interest in living in healthier environments and the opportunity of monitoring these environments with low-cost technology, we propose our approach and experience in evaluating the performance and testing of Indoor Air Quality (IAQ) sensors for future residential applications. As a company committed to the development of indoor temperature controllers and monitoring of indoor residential environments, after a preliminary research phase regarding the use of IAQ devices, an evaluation procedure of low-cost sensors in a domestic context has been made. The process resulted in 5 steps: - Analysis of the state-of-art related to parameters and measurements characterizing IAQ, along with the selection of different types of references to low-cost sensors for monitoring the identified parameters. - Identification of experimental set-up configurations and pollutants that simulate the operating environments to be implemented. - Characterization and calibration of selected sensors in a controlled environment by using professional-grade sensors as reference. - Commissioning of selected sensors, including logging and monitoring of their real-time performances in a residential context. - Analysis of collected data and comparison of experimental results with those found in the literature. The outcomes of this work enable the determination of the most common and user-friendly indexes that can measure IAQ, allowing for test and implementation of calibration strategies for different types of sensors. This study defines a reliable procedure for sensors selection, serving as valuable reference for development of more effective IAQ controllers and management of future domestic applications.