Temperature Pro came out to my home with 24 hours. My fiance and I just bought our first home together, after a few nights sleep we noticed the master bedroom did not get the airflow the rest of the house was getting. It turns out there was a piece blocking our vent to the master. We received photos of the blockage and saw the piece once it was removed.
Temperature pro was affordable, they didn't try to make a small problem a big issue. If your looking for an honest company with competitive rates.... I recommend Temperature Pro!