Research Methodology Market Formulating Developing List Data Data Data Profiling Questionnaire of Respondents Collection Validation Analysis In-depth secondary In order to conduct List of industry TechSci conducted Data obtained as a The data was scrutinized research was conducted to industry experts’ players and industry interviews with result of primary using MS-Excel, statistical determine top players in interviews, TechSci specialists was industry experts and and secondary tools and internal the global HVAC cleaning formulated a detailed developed. industry players for research was proprietary database to servicesmarket, overall discussion guide. data collection and validated through obtain qualitative and market size and segmental verification. rigorous quantitative insights about market size. triangulation. the global HVAC cleaning servicesmarket. Primary Research Desk Research Company Analysis ✓ Identifying Key Opinion ✓ Recent Developments ✓ Market Participants Data Data Filter Research & Actionable Business ✓ Market Changing ✓ Key Strengths Collection & Analysis Intelligence Insights Solution Leaders Aspects/Dynamics ✓ Questionnaire Design ✓ Government Policies ✓ In-depth Interviews ✓ Conclusion Primary Research Secondary Paid Sources Research ✓ LinkedIn ✓ Company Websites ✓ Factiva ✓ TechSci Internal ✓ Company Annual ✓ Hoovers Database Reports ✓ White Paper Study ✓ Financial Reports ✓ Investor Presentations ✓ Regulatory Body ✓ Associations, etc. 20