The answer to 'best heat pump' is that there is no single 'best' heat pump, as the 'best' option depends on your specific home and heating/cooling needs. However, there are some key factors to consider when choosing the best heat pump for your home.
Look for a heat pump with a high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) rating, as these indicate higher energy efficiency. Also consider the size of the unit - it should be properly sized for your home's square footage to ensure optimal performance. Noise level, warranty coverage, and installation quality are other important factors.