I'm very satisfied, and have already paid for it. – 10 votes

I've agreed to the terms, but I am waiting to see how it works before I pay for it. – 3 votes

I've agreed to the terms, but it's not what I thought it was; therefore I'm not going to use it nor pay for it. – 0 votes

I believe it costs too much for what it does. – 0 votes

My system is fine, I really don't need it. – 0 votes

I don't understand what it is for. – 2 votes

I don't know how to obtain it. – 2 votes

I'm going to have my HVAC installer take care of it. – 1 vote

My HVAC installer says there is nothing wrong with the standard set up. – 1 vote

Other – 5 votes