When.com Web Search

  1. Ads

    related to: 2.5 ton condenser unit trane price

Search results

  1. Results From The WOW.Com Content Network
  2. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The outdoor condenser unit also switches roles to serve as the evaporator and discharges cold air (colder than the ambient outdoor air). Most air source heat pumps become less efficient in outdoor temperatures lower than 4 °C or 40 °F. [ 54 ]