ɹˌɛzᵻdˈɛnʃəl ænd kəmˈɜːʃəl bˈɪldɪŋz loʊkˈeɪɾᵻd ɪn ɹˈʊɹɹəl ænd ɹᵻmˈoʊt ˈɛɹiəz duːnˌɑːt ˈɔfən jˈuːs nˈætʃɚɹəl ɡˈæs fˈoːɹst hˈɑːt ˈɛɹ sˈɪstəmz.
Residential and commercial buildings located in rural and remote areas do not often use natural gas forced hot air systems.