Bedroom carpet replacement

[Luca Mastrangelo]

Hi, I just turned over one of my units and the tenant called to tell me one of the bedrooms smelled mildewy. The room has a high traffic carpet that is going on 10 years or a couple more at this point.  It's in overall fine shape, no stains etc and I shampoo it every time it turns over. I think part of the problem is that I shampooed the carpet in that room and then the tenant didn't move in for a week. During that time it was very humid and there were no Windows opened or air flow. Perhaps I didn't do as good a job as vacuuming up the excess water and caused this issue. Either way, the Tenant says it smells and I need to get the carpet replaced. I'm not there locally so doing it myself or trying to remediate the issue won't work. The tenant did keep windows open and run a portable ac in that room to try and dehumidify and get rid of excess moisture but didn't make a difference. 

all of this is a long winded way of asking:

1. Recommendation for a inexpensive carpet replacement that is suitable for a rental bedroom. 

2. Who do people use for install etc?  Hole Depot or local installers?  It's just 1 room but fairly large. Probably 18x14 with no off angles etc. There is a closet built out in one corner. 

thanks in advance