Brings the total price down to $548, which is a good price for a high efficiency air conditioner this size.
$100 saving over normal price
This Saturday + Sunday only
Installation costs are usually around $500 for a back-to-back install
COP of 4.9
Power use 250 - 1,140w
Further specs here
Combine it with the recent $50 off $350 spend via Amex. And it's now $498.