They were great to deal with. They came to our house and verified the insert would work in our fireplace, then provided an estimate. We gave the down payment and scheduled the installation. Their installers arrived a the scheduled time, installed the unit, tested it and showed us how to use it. They were very polite, neat and efficient. This was a positive experience all the way and we highly recommend them. The unit (Miles Retrofire) draws air from the outside, so is much more efficient than our old wood fireplace and we can use it on days when wood burning is banned.