We've had record-breaking warmth this week in western MA, so I "throttled down" my Channing III to a hair above "2" on the dial.
Remembering last years' warmer days in spring and this past November, I was expecting the return of some rotten-egg smell, as the 60+ year old masonry chimney on this house doesn't draw very well above 50 or so. Remembering, too, my CO problem one warm day this past November to which I came home from work to multiple CO alarms merrily chirping away and a woozy dog, I figured I'd open a couple of windows a bit, to disapate any smell and/or CO, should it occur.
But I also made a couple of changes, too. In January, I upgraded my baro to a Field Controls "Type M"...==well worth the investment==!!! Much better draft control and, surprisingly, NO sulfur/eggs smell, even when it was 75 during the day yesterday! The lowest draft reading I saw was 0.01 yesterday. Most of the week, it was 0.15 - 0.25. Far better results than with the cheapo baro I bought when I got the stove 13 months ago.
I also put a small window fan in my 2nd floor bedroom window, set at 'low', pulling air into the house. This had the effect of "pressurizing" the house a bit, and possibly contributed to the absence of smell and CO.
As I have digital Nighthawk CO detectors that show have a 'highest level' feature, I checked every day this week. ZERO every day!
In short, a couple of minor changes, and "viva la difference"!