I am about to replace a 5 ton Rheem 14 SEER A/C system. You are aware the difficulty in getting the IRS credit with a 5 ton unit due to the EER requirement. If I went with a heat pump system, I would qualify for the tax credit bringing overall cost below the A/C. In south Florida, only use heat a couple of days per year. Will I suffer with cooling power by going with a heat pump? Is it worth going with a heat pump just to get the credit. System recommended was Amana ASZ14 56.5k BTU cooling, 15 SEER/12.5 EER. Or going with a conventional A/C option for about $ more- either Rheem RARL 58.0k BTU, 15.8 SEER/12.2 EER or Trane XR14 58.0k BTU, 14.5 SEER/12.0 EER. I am a little worried about losing 1,500 BTUs with the heat pump option as I have about 2600 sq. ft. under air. Should I be concerned? Thanks.