How Does Comfort R Work? (Trane / American Standard Dehumidification Process)

Описание: So, How Does Comfort R Work? I'll explain how Comfort R enhancement regulates airspeed at start-up to carefully control humidity levels. Lower humidity can lead to savings by reducing moisture levels in the air so you can keep the thermostat at a higher setting and still feel comfortable. Comfort-R mode also offers a warmer start-up with an all-electric heat pump during the heating season, so you don’t feel that blast of cool air when you turn on the heater when you’re looking for warm and cozy air.

On a call for cooling, a single-stage air conditioner and its indoor blower motor both turn on and begin cooling immediately at 100% speed or capacity. (And yes, people do buy upgraded variable speed furnaces like the S9V2 furnace to match their standard single-stage outdoor condenser.)

So when the AC starts, the outdoor unit comes on at normal speed. 100%. But, the indoor blower with Comfort-R enhancement will slowly ramp up to 50% speed over the first minute. This will allow the indoor evaporator coil to get cold quicker - because you don’t have as much room temperature air going across the coil to compete with the coil, allowing it to get colder, faster.

If you have a heat pump match up this 50% ramp up during the first minute will let your indoor coil get hot, quicker.

Over the next minute or two and up to about 8 minutes, the fan will run at 80% capacity to help further dehumidify in cooling mode or enhance warm air heating for heat pumps.

If necessary, after 8 or 9 minutes of the AC being on (or heat pump), the fan will increase to 100% capacity boosting its function until the thermostat is satisfied.

Now, normally when the temperature is satisfied, the outdoor compressor shuts off AND the indoor blower turns off. There’s no delay. In Comfort-R mode, the outdoor compressor shuts off, but the indoor fan will ramp down to 50% capacity for 3 minutes. This is for efficiency because the indoor coil will still be cold for a bit, so why not utilize the cold coil and run some air across it, and have it sent into the rooms of the house?


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00:00 Introduction to How Comfort-R Works
1:00 A quick refresher on air conditioning
2:00 How does comfort r work?
5:49 Two important things to know
7:10 Who needs Comfort-R the most?
8:26 Let's talk about humidity
9:01 Conclusion