1 “System On” indicates when heating or cooling stage is energized. “System On +2” indicates when a second stage is energized . 2 The word HOLD is displayed when the thermostat is in the HOLD mode. Temp HOLD is displayed when the thermostat is in a Temporary HOLD mode.
Is Stage 2 Cooling high or low?
Two-stage cooling means the air conditioner or heat pump has a compressor with two levels of operation: high for hot summer days and low for milder days . Since the low setting is adequate to meet household-cooling demands 80% of the time, a two-stage unit runs for longer periods and produces more even temperatures.
What is Stage 1 and Stage 2 on a thermostat?
The second stage is the full capacity of your system . 1/3 compressor capacity is the 1st stage. 1st stage is more efficient than 2nd stage, but systems are designed to use both stages, so no worries there.
What is a 2 stage heating system?
Two-stage heating means the furnace has two levels of heat output: high for cold winter days and low for milder days . Since the low setting is adequate to meet household heating demands 80% of the time, a two-stage unit runs for longer periods and provides more even heat distribution.
Is my furnace 1 or 2 stage?
A furnace with single-stage heating contains a fixed gas valve and a single-speed blower motor. These furnaces are either on and running at full capacity or off. A model with two-stage heating contains a two-stage gas valve and a variable-speed blower motor.
Is a 2 stage AC worth the extra money?
If you don't mind the slightly higher up-front costs of a two stage air conditioner, it's definitely worth it to install one . You'll not only see significant energy savings throughout your system's lifetime, but you'll also have a more comfortable home.
How do I know if my compressor is 2 stage?
If air is sucked in by one piston and then directly sent to the tank / air receiver through a pipe is a single stage machine. But if air is sucked in by one piston and then sent to another piston through interconnecting pipes or otherwise then this is a two stage machine.
What does heating stage 2 mean on Trane thermostat?
A 2-stage furnace with a 2-stage thermostat will begin in first stage ( low burner, low airflow ) and only go to second stage if the indoor temperature drops during first stage. ... This provides greater humidity control, quieter operation, and maximum air circulation, temperature distribution, and air filtration.
What does Stage 2 mean on Nest thermostat?
Before your Nest thermostat has activated Time To Temperature, the second stage of heating or cooling will turn on when you adjust the set point 3.3°F beyond the current temperature, while the third stage will need a change of at least 7°F to activate.
What does Stage 2 mean on a Lux thermostat?
STG 2 is the 2nd stage of heating available in the thermostat if you have 2 stages heating (W2). If your heat is not working STG2 will appear when the room temperature is 2 degrees lower than your set temperature or if the room set temperature is increased more than 2 degrees.
What is the advantage of a 2 stage furnace?
The ability to switch between two power modes makes two-stage furnaces more energy-efficient than their single-stage counterparts. The low power mode allows the unit to conserve energy as well as reduce temperature fluctuations and uneven heating in your home.
How much money does a 2 stage furnace save?
The DOE test procedure shows fuel savings of 3.4% for two-stage furnaces relative to single-stage furnaces at the same AFUE, while the 2006 ASHRAE test procedure shows only a 0.4% decrease in fuel consumption.
Is a 96 furnace worth the extra money?
A 96% AFUE gas furnace is top of the line, powerful, and efficient . In fact, a 96% AFUE gas furnace is one of the most efficient gas furnaces available. ... After all, the difference in price between an 80% AFUE gas furnace and a 96% AFUE gas furnace is not nothing.
Does a 2 stage furnace need a special thermostat?
A two-stage thermostat may need more wires than your current programmable thermostat. ... If you plan to keep your home at a constant temperature, you don't need a two- stage thermostat. If you want to vary the temperature of your home during the day or night, a programmable two-stage thermostat is the way to go.
Are 2 stage furnaces quieter?
A two stage furnace is quieter and generates more even heat through the house. The longer, slower heating cycle eliminates the kind of rapid warming that many people find uncomfortable from a single stage furnace.
How often should a 2 stage furnace cycle?
How often should a 2 stage furnace cycle? Answer: Two-stage furnaces work longer than single-stage ones. Thus, it should cycle 1-3 times in an hour and the heating session will be 8-12 minutes each time.
