will you get economical heat pump, and you also get one that is simple to install, has SEER rating, and can perform without supplemental sources in temperatures down to 25 degrees...
note the review for GVZC20 will be identical with the exception of SEER model ...
The single model in GVZC series is higher price point, slightly more difficult install, and much better efficiency.
GSZ16 and GSZ14 are the base models utilizing compressor and reaching SEER and SEER 14 rating, respectively.
With GSZC sub-category, you get compressor that is more expensive and offers much better efficiency and lower runtimes.
The top of the line model, GVZC20, has decibel range between 54 and 76dBA. Most of the noise is attenuated through the compressor blanket, and it can still get quite loud..
The biggest difference is that Bryant has 10-year warranty on the compressor, compared to lifetime from Goodman...
DIY install may miss minor aspects that can impede airflow or temperature readings, dropping the efficiency up to SEER rating or more...
the limit switch or motor are the most likely culprits and will need HVAC technician to test and confirm or make adjustments to the limit switch...
To reset your Goodman heat pump, you can find the reset switch on the control board of the unit.
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