Research Methodology • Respondents were asked about the current and future market growth rates, market shares by component, by cleaning tools, by cleaning equipment, by end user, by region and by company. Removing the outlier responses, the geometric mean of growth estimates and provider wise revenue shares generated across various segments were considered, to arrive at the final revenue shares. Revenue shares generated across various segments were further triangulated from other stakeholders. Methodology Followed forCalculation of Market Shares: • Marketsharebycomponent,bycleaningtools,bycleaningequipment,byenduser,byregionandbycompanywerecalculatedbasedonthe responses received through primary surveys with industry experts, in which the respondents were asked about the market shares or revenue generated from various segments of HVAC cleaning services markets. The final shares were calculated by taking the geometric meanoftheresponsesgatheredfromkeyopinionleadersaftereliminatingtheoutliers. Methodology Followed forForecasting: • TechSci Research performed periodical checks on data collected through the surveys with logic checks and analyzed the survey results in SPSS/TableauSoftware. • Data triangulation techniques were applied to fill the gaps and to present a more meaningful picture of the market. To forecast global HVAC cleaning services market, TechSci Research used various forecast techniques such as: ✓ Moving Average ✓ Time Series Analysis ✓ Regression Analysis ✓ Econometric and Judgmental Analysis 22