Bests & Worsts Reviews from Amazon

Purchased 11/17 and heat worked great, but A/C stopped working and started blowing out hot air and I mean hot air. Had an HVAC tech come out and he determined it was the thermostat causing the issue. The compressor was totally damaged, so the tech replaced the whole heat pump and tried again with the Nest, but still hot air and the compressor would not kick on, so he turned it off and replaced the Nest with a Honeywell and A/C was working and compressor was working. FYI - The A/C worked the first 2 times I used it, so I am guessing Nest pushed out a firmware that created the issue. I have been in contact with Nest support, but since I purchased the unit through Amazon, they are having problems issuing me a refund, but they are working on it. I am also asking for assistance with replacing the heat pump, since it was their device that damaged it in the first place. We'll see what happens there and I will update this if they do stand behind their product.