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    We investigate, research and test so you can choose with confidence.

    Become a member to compare products & get access to ratings.

    We investigate, research and test so you can choose with confidence.

    CR's Expert Take

    How did it perform in our expert lab testing?

    Overall Score

    The Overall Score for this model is derived from our expert lab test results.
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    Current Range of Tested Whole-House Air-Source Heat Pumps
    What goes into the Overall Score?
    Heating efficiency
     /  5
    Cooling efficiency
     /  5
    Noise
     /  5

    About

    The Lennox 3T Single Stage Heat Pump System ML14KP1-036/CBK45UHPT-036/ECB45-10CB is part of the Heat Pumps test program at Consumer Reports. In our lab tests, Whole-House Air-Source Heat Pump models like the 3T Single Stage Heat Pump System ML14KP1-036/CBK45UHPT-036/ECB45-10CB are rated on multiple criteria, such as those listed below.

    Heating efficiency: Models that score well at this attribute are more efficient when in heating mode, transferring more heat for a given amount of electrical power used.

    Cooling efficiency: Models that score well at this attribute are more efficient when in cooling mode, removing more heat for a given amount of electrical power used.

    Noise: This score is based on the measured noise level.

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