Heat exchanger espresso machines were generally found in a price range of €300 to €2200. The market has shifted, with the advent of dual boiler machines now available in the €1100-€1200 range, directly competing with the price point previously occupied by heat exchanger models.
This video discusses the decline in popularity of heat exchanger espresso machines. The speakers explore the reasons behind their initial success, the challenges they present, and how newer technologies and dual boiler machines are replacing them in the market.