We are heading into a heatwave here. I am not looking forward to it. It should be pretty toasty this weekend according to the reports. My wife really like her FitBit Alta HR. It is one of the more reasonably priced models in the Fitbit line if you can find a good deal on it. It has integrated really well with Actifit for her, so I am not sure how it will work with Exhaust. It might be worth looking at though. Like I said, especially if you can find a good deal on one.