I did a 2 ton central air heat pump myself last spring with precharged lines. It was under $4K delivered, I was quoted over $10K. It was a little scary, I had

I did a 2 ton central air heat pump myself last spring with precharged lines. It was under $4K delivered, I was quoted over $10K. It was a little scary, I had not done something like that before but a little research and it all turned out fine and has been working well.