haʊˈɛvɚ, ðə kəndˈɛnsɪŋ fˈɜːnɪs ɪz mˈoːɹ ɛkspˈɛnsɪv ɪnˈɪʃəli bɪkˈʌz ʌvðɪ ˈɛkstɹə ɪndˈuːstdɹˈæft fˈæn ænd kəndˈɛnseɪt pˈʌmp ɹᵻkwˈaɪɚd, ænd ðɪ ˈɛkstɹə hˈiːt ɛkstʃˈeɪndʒɚɹ ɪnðə fˈaɪɚbɑːks.
However, the condensing furnace is more expensive initially because of the extra induced-draft fan and condensate pump required, and the extra heat exchanger in the firebox.