
A single stage heating or cooling system means your furnace or air conditioner has only one level of heat or cold output. Single stage thermostats are used to control single stage HVAC systems—thus, if you have a single stage heating and cooling system, your home needs a single stage thermostat.
Why does my thermostat say Stage 1 and 2?
· A single stage heating or cooling system means your furnace or air conditioner has only one level of heat or cold output. Single stage thermostats are used to control single stage HVAC systems—thus, if you have a single stage heating and cooling system, your home needs a single stage thermostat.
What is a stage 2 thermostat?
A single stage heating or cooling system means your furnace or air conditioner has only one level of heat or cold output. Single stage thermostats are used to control single stage HVAC …
What is multi stage heating cooling system?
· The single-stage compressor is where all heat pumps and HVAC systems all started, but the problem with it is that the system only provided the basic functions of heating …
What is single stage?
A single-stage air conditioner’s compressor only works one level of operation— cooling your home at full blast. A two-stage air conditioner’s compressor works at two levels of operations: …

How do I know if I have 2 stage cooling?
To know whether you have a single-stage or multi-stage system, check the number of wires leading into different terminals of the thermostat. A multi-stage system will have lots of wires to the thermostat whereas a single-stage system has only a maximum of two wires.
What is the difference between single stage and two stage thermostat?
Single-stage heating requires only a fixed gas valve and a single-speed blower motor. While these get the job done, they allow the furnace to run at only one speed. This kind of furnace is either on or off. Two-stage heating requires a two-stage gas valve and a variable-speed blower motor.
How do I know if I have a one stage or two stage furnace?
0:373:14How Do You Verify Second Stage? - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou will have a wire or Y to the Y to wire. Will essentially control whether you're at first stageMoreYou will have a wire or Y to the Y to wire. Will essentially control whether you're at first stage capacity. Or if you bump up to 100% capacity which will be second stage.
What is the difference between a single and two stage cooling heating system?
A single-stage compressor has only one operating mode so it always runs at 100% capacity—no matter if the cooling demand is great or small. Meanwhile, a two-stage compressor has 2 operating modes: Low or High.
Do I need a two-stage thermostat?
To sum it up: 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.
What is a single stage heater?
A single stage heating or cooling system means your furnace or air conditioner has only one level of heat or cold output. Single stage thermostats are used to control single stage HVAC systems—thus, if you have a single stage heating and cooling system, your home needs a single stage thermostat.
Can I use a 2 stage thermostat with a single stage furnace?
Yes, I meant to say any two stage furnace... Using a 2 stage thermostat will not harm the furnace. And because the control board is compatible with a single stage thermostat, the furnace will still operate both stages. The control board would, as you say, start the second stage after about 10 minutes.
How do I know what kind of furnace I have?
0:170:51How to identify your furnace type - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou have an electric furnace if. You see a black iron pipe running to the furnace. Or you see aMoreYou have an electric furnace if. You see a black iron pipe running to the furnace. Or you see a flame during heating. You have a gas furnace.
What is the most reliable furnace brand?
The Best Furnace Brands of 2022Lennox. Known for: Lennox furnaces offer a wide range of options, including noise-reducing features with variable blower motors. ... Trane. ... Goodman. ... American Standard. ... Amana. ... Bryant. ... Carrier. ... Rheem.More items...•
Is single stage heat pump good?
Single-stage: Lower equipment cost, less likely to break, low repair cost, low to average efficiency and high electricity cost. Two-stage: Moderate equipment cost, less likely to break, low to moderate repair cost, good to excellent efficiency and average electricity cost.Single Stage vs. Two Stage vs. Variable Speed For Heat Pump/Air ...https://www.pickhvac.com › heat-pump › basics › single-s...https://www.pickhvac.com › heat-pump › basics › single-s...Search for: Is single stage heat pump good?
What is the difference between a 14 SEER and a 16 SEER?
A 16 SEER unit is about 13% more efficient than a 14 SEER. For every $100 you spend to cool your home with a 14 SEER, you could save $13 on your monthly bill by upgrading to the 16 SEER unit. But just like gas mileage, your ability to meet this maximum efficiency and savings depends on a lot of other factors.Deciding Between 14 SEER And 16 SEER - Which HVAC System Is ...https://gopaschal.com › deciding-between-14-seer-and-16...https://gopaschal.com › deciding-between-14-seer-and-16...Search for: What is the difference between a 14 SEER and a 16 SEER?
What is single stage?
Definition of single-stage : of one stage only : complete in one rather than in two or more operations single-stage turbine single-stage rocket single-stage trigger.Single-stage Definition & Meaning - Merriam-Websterhttps://www.merriam-webster.com › dictionary › single-st...https://www.merriam-webster.com › dictionary › single-st...Search for: What is single stage?
What is single stage HVAC?
A single stage heating or cooling system means your furnace or air conditioner has only one level of heat or cold output.
Why do HVAC systems require multi stage thermostats?
These systems require a multi-stage thermostat because multiple inputs must be managed. Single stage thermostats control only two systems—one heating system and one cooling system—and have inputs for six or fewer wires. Because single stage heating and cooling systems are the most common form of HVAC system, chances are ...
What is a multi stage thermostat?
By comparison, multi-stage heating and cooling systems include more than one source of heated or cooled air. For example, a multi-stage heating system may use both a furnace and solar panel to provide heat. These systems require a multi-stage thermostat because multiple inputs must be managed. Single stage thermostats control only two systems—one ...
Why upgrade thermostat?
Upgrading your thermostat can help you save money and increase the longevity of your home’s HVAC system. You can find out more about the HVAC products we offer, including air conditioners, air handlers, ductless systems, thermostats, heat pumps, generators, and thermostats, by clicking through our extensive website. Don’t forget to check out our latest blog articles for up-to-date tips on HVAC maintenance and upgrades!
What is the difference between a single stage furnace and a two stage furnace?
Flexibility is the main difference between one-stage and two-stage furnaces. 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.
How does a two stage furnace work?
All you need to do is set your thermostat, and your furnace automatically chooses the ideal stage. When the thermostat calls for heating, the furnace kicks on in the low setting first . On this setting, the furnace runs at around 60% to 68% of its capacity.
What keeps the temperature consistent?
A steady flow of warm air keeps temperatures consistent and even throughout your home
Is a two stage furnace good for Chicago?
Throughout Chicagoland’s frigid, snowy winters, your comfort at home depends largely on your furnace’s performance. While all furnaces heat the air, not all do so in a way that maximizes your comfort. If you’re tired of temperature swings, cold spots, and annoying fan noise, two-stage heating may be the best heating choice for your home.
Breaking Down the Difference
Your heat pump does not only control the temperature in your home to keep you cool or warm but also works with humidity control and air filtration. Although temperature control is the main part, the secondary functions shouldn’t be overlooked. This is why you have to decide between the single-stage and the two-stage heat pumps.
Advantages and Drawbacks of Single-Stage Heat Pumps
There’s a reason why single-stage heat pumps have been around for so long, but there are also reasons why some people move on to two-stage units instead. This type of heat pump comes with pros and cons which can guide your purchase decision.
Advantages and Drawbacks of Two-Stage Heat Pumps
On the other hand, the two-stage heat pump also features some advantages and disadvantages that can either make or break your decision. One of their main advantages is the efficiency, as they run for longer, leading to even distribution of heat or cool air.
Comparing the Two Systems
In general, the single-stage system would give you low equipment and repair costs, better durability, high energy consumption and bills, and average efficiency. Then, the two-stage heat pump would give you moderate to high purchase and repair costs, topnotch efficiency, durability, and average energy bills.
What Is a Variable-Speed Heat Pump?
If you don’t use a one-stage or two-stage heat pump, then you would be using a variable-speed heat pump. Variable speed compressors in a heat pump function with an inverter, which can reduce or increase the speed of the motor connected to the cooling or heating load.
Does the Type of Your Furnace Matter?
Yes, it does. The type of furnace that you use also matters when choosing the best unit between a single-stage and two-stage heat pump system.
Final Thoughts
Before you purchase any heat pumps, you should first think about what you need, your budget, and what the two units have to offer. By making the right decision, you can enjoy staying warm in cold weather and cool in hot weather.
What is a two stage system?
A two stage system is a big step forward, because it gives the system a “medium” capacity option between maximum on and off. A two stage system has two speeds. During moderate temperatures it runs on the lower speed, avoiding the short cycle condition and providing better overall comfort and more efficient operation.
How does a two stage compressor work?
Two Stage Compressor — Heat pumps and air conditioners operate by compressing and expanding refrigerant in a closed system.
What are the functions of HVAC?
It really has three functions: temperature control, humidity control, and air filtration. Obviously the heating and cooling part is the primary function, but the other two shouldn’t be overlooked.
What is variable speed HVAC?
Each of these HVAC technologies can be useful in the right conditions. A variable speed system is tops for comfort and energy savings over time, but its extra cost may not always make sense. A single stage system will still work fine when properly sized. And a two stage system is a nice middle ground that provides significant improvements to comfort and efficiency without as much extra up-front cost. For help figuring out which type of system is right for your home, contact the knowledgeable folks at Comfort Monster or another high-quality HVAC company near you.
Can HVAC keep up with heat?
Most times it will appear to work fine, but in extreme heat or cold it won’t be able to keep up. Your thermostat will be set to the right temperature but the HVAC system doesn’t have the capacity to maintain your set temperature. You will be forced to accept whatever temperature the system can deliver.
Do variable speed AC units run continuously?
Variable speed air conditioners and heat pumps run almost continuously– And in summer the slower the air moves through your cooling system, the more humidity is removed. As a result, you will feel more comfortable at higher temperatures so you can set your thermostat accordingly. And since they don’t go through the energy-guzzling startup phase as often, variable speed AC units lower your utility costs at the same time.
What is a single stage heating system?
A single-stage heating system has only one temperature speed setting ; a multi-stage heating system has two, low and high. Multi-stage heating systems are typically used in colder climates; a multi-stage unit can heat a room faster and prevents major temperature fluctuations.
What is a two stage furnace?
A two-stage furnace begins heating in the first stage to meet standard heating demands. When the temperature begins to drop, the furnace kicks into the second stage. There are ways to distinguish between a single and multi-stage heating system. Advertisement.

Single-Stage Heating/Cooling Equipment
Staged (or Variable Speed) Heating/Cooling Equipment
- Next, take a look at how staged equipment operates: One of the biggest benefits of considering staged heating and cooling systems is that they will offer more balanced temperaturesthroughout your home. This is accomplished as the staged systems are designed to run for longer intervals. With greater air circulation through your system, the air in your home will not have a chance to s…
The Bottom Line: Which Equipment Is Right For Your Home?
- By investing in single-stage equipment you will be able to save a little bit up front. There are many durable brands/models of single-stage equipment, and it can get you through your home air conditioning/heating project, but the way your home feels will continue to disappoint. If you don’t improve the technology in your home, you won’t receive better results with the way your home fe…