What would you like to do?
Insulation always gives you a return on investment and that return increases as energy costs increase. Money spent on mechanical heating/cooling equipment is guaranteed to cost you money and keeps costing you more and more money as the cost of energy increases and the cost of repairs increase until it completely breaks down, then you have to replace it, then it continues to cost you! What would you like to do?
Added: Sun January 29th 2017