What kind of cost factor per unit did you incur with these companies (even a range would give me something to run with), and how much have you been able to increase your rents in the upgraded spaces? I'm trying to figure a general ROI range, so I can pitch this idea to my VP. We've been installing nest thermostat and smoke detectors in units here (which isn't cheap when you purchase them one at a time at retail cost) as we do makeready turns, but there is no support for after-I love the idea of another company dealing with any post installation issues so I don't have to worry about it. Any feedback on either company would be greatly appreciated!