Variable Refrigerant Flow Systems Market to Hit $28.46 Billion by 2028; Soaring Demand for Energy-Efficient Heating & Cooling Solutions Worldwide to Fuel the Market: Fortune Business Insights™ Pune, India, May 18, 2021 (GLOBE NEWSWIRE) -- The global  variable refrigerant flow system market size is projected to reach USD 28.46 billion by 2028, exhibiting a CAGR of 7.02% during the forecast...