The only concern was that the filter they used was a little small and created a thud everytime the AC came on. I put in a different filter and thud stopped.
Response from Home Energy Experts Inc.:
Thank you for your 5 star review John! In regards to the filter issue, I have documented this in our database for future reference and on your next visit with us, we will bring you a spare filter that is the correct size at no cost. We appreciate your continuing business with us! Sincerely, Eric Robnett