# What Size Generator To Run 2 Ton Ac Unit? Top 4 Choices

*In this article. we have given a detailed, data-driven, and clear answer to the question “ What Size Generator To Run 2 Ton Ac Unit?” with examples.*

Did you know that running a 2-ton AC unit with an undersized generator can cause damage to your equipment, while an oversized generator can lead to wasted energy and money?

To avoid these issues, it’s crucial to determine the appropriate generator size before running your AC unit.

For instance, a typical 2-ton central air conditioner may require a starting wattage of around **3,500 watts** and **1500** running watts.

However, the exact wattage requirements can vary based on factors such as the **AC model, altitude, and temperature** of your location.

In this article, I’ll show you how to calculate the ideal generator size for your 2-ton AC unit, using real-life examples and data.

## What Size Generator to Run 2 Ton AC Unit?

The appropriate generator size for a 2-ton AC unit depends on the model, starting and running wattage requirements, and location factors such as altitude and temperature.

**A typical 2-ton central air conditioner requires a starting wattage of around 3,500 watts and a running wattage of approximately 1,500 watts. It’s important to choose the right generator size to ensure the AC unit runs smoothly and efficiently, without risking damage to the equipment or a power outage.**

### What Size Generator to Run 2 Ton AC Unit Single Phase?

Typically, a single-phase 2-ton AC unit will require a generator with a capacity of at least **7,000 to 8,000 watts**, with a voltage output of 120 or 240 volts.

A single-phase 2-ton AC unit may require 3,500 to 4,500 starting watts, and 1,500 to 2,000 running watts.

To handle this load, you will need a generator with a capacity of at least 7,000 to 8,000 watts, capable of delivering either **120 or 240 volts **depending on the voltage requirement of your AC unit.

However, the actual generator size needed will depend on several factors, including your AC model, the altitude and temperature of your location, and the size of your electrical system.

It’s essential to consult with a qualified electrician to determine the appropriate generator size for your specific setup, to ensure the safe and efficient operation of your equipment.

We also have written a guide about **What Size Generator To Run Air Conditioner?**

### What Size Generator to Run 2 Ton AC Unit Three Phase?

In a three-phase electrical system, the power is distributed through three separate electrical phases, each of which carries a portion of the overall electrical load.

When running a 2-ton air conditioning unit with three-phase power, you will need to consider the voltage and amperage ratings of your electrical system, as well as the specific requirements of your AC model.

A typical three-phase 2-ton AC unit may require a starting wattage of around **5,000 to 7,500 watts** and a running wattage of approximately **2,000 to 3,000 watts.**

To handle this load, you will need a generator with a capacity of at least 10,000 watts, capable of delivering **208 or 240 volts.**

However, the actual generator size needed will depend on several factors, including the specific requirements of your AC model, the altitude and temperature of your location, and the size of your electrical system.

It’s essential to consult with a qualified electrician to determine the appropriate generator size for your specific setup, to **ensure the safe and efficient operation of your equipment.**

Recommended Read: What size generator do I need to run a 5-ton AC?

### Will a 5000-Watt Generator Run a 2-Ton AC Unit?

A typical 2-ton central air conditioner requires around 3,500 starting watts and 1500 running watts.

However, this can vary depending on the specific AC model and other factors such as altitude and temperature.

**For example**, let’s say you have a Carrier Performance 2-ton air conditioner. According to Carrier’s specifications, this unit has a starting wattage of **3,360 watts and a running wattage of 1,360 watts**.

In this case, a 5000-watt generator would be more than sufficient to power the AC unit.

However, it’s essential to note that other factors such as the length and gauge of the electrical cable between the generator and the AC unit can also impact the generator’s ability to provide enough power.

Recommended Read: What size generator do I need to run a 3-ton AC?

## How to Determine the Power Requirements of a 2-Ton AC Unit?

### 1. Check the AC’s Specifications:

Consult the manufacturer’s specifications or user manual to determine the starting wattage and running wattage of the AC unit.

The starting wattage is the amount of power required to start the AC unit, while the running wattage is the amount of power required to keep the AC unit running.

### 2. Calculate The Power Requirement:

Add the starting wattage and running wattage of the AC unit to determine the total power requirement. For example, if the starting wattage of your 2-ton AC unit is 3,500 watts and the running wattage is 1,500 watts, the total **power requirement is 5,000 watts.**

### 3. Consider the Volts and Amps:

Check the voltage and amperage ratings of your electrical system to ensure they are compatible with the AC unit’s power requirements. A 2-ton AC unit typically operates on either **120 or 240 volts,** depending on the model.

### 4. Account for Operating Conditions:

Keep in mind that the power requirements of the AC unit may vary based on the operating conditions, such as **temperature and altitude.** High temperatures or high altitudes may require additional power to start and run the AC unit.

### How Many Watts is a 2-Ton AC?

In general, a 2-ton AC unit requires between **3,000 and 3,500 watts** of power to run.

The power requirement of an AC unit is measured in watts, and the capacity of an AC unit is measured in tons.

One ton of cooling capacity is equal to **12,000 BTUs (**British Thermal Units) per hour, and a 2-ton AC unit has a cooling capacity of **24,000 BTUs per hour.**

To determine the power requirements of a 2-ton AC unit, you need to consider the starting wattage and running wattage.

**The starting wattage** is the power required to start the AC unit, and it is usually higher than the running wattage.

**The running wattage** is the power required to keep the AC unit running.

**For Example**

Let’s assume that the starting wattage of a 2-ton AC unit is **4,500 watts,** and the running wattage **is 3,000 watts.**

In this case, the total power requirement of the AC unit is 7,500 watts (**4,500 + 3,000**).

This means that you need a generator or electrical system that can provide at least 7,500 watts of power to run the AC unit safely and efficiently.

If the AC unit is operating at a higher altitude or in a hotter environment, it may require more power to function properly.

Therefore, it’s important to consider the operating conditions when determining the power requirements of a 2-ton AC unit.

Here are **a few more examples** to give you an idea of the power requirements of different types of 2-ton air conditioning units:

- A central air conditioning system with a 2-ton capacity typically requires between
**3,000 and 3,500 watts to operate**. For instance, a Carrier Performance 16 model with a 2-ton capacity has a maximum power draw of 3,240 watts during operation.

- A ductless mini-split air conditioning system with a 2-ton capacity typically requires between
**2,500 and 3,000 watts**to operate. For example, a Mitsubishi Electric MZ-FH15NA model with a 2-ton capacity has a maximum power draw of**2,950 watts during operation.**

- A portable air conditioning unit with a 2-ton capacity typically requires between 1
**,500 and 2,500 watts to operate**. For instance, a Honeywell CO30XE model with a 2-ton

## Best Generators for 2-Ton AC Unit

Generator Model | Maximum Output (Watts) | Fuel Type | Electric Start | Fuel Tank | Outlet Type | Price |

Champion 3400-Watt | 3,400 (gasoline) / 3,060 (propane) | Dual fuel (gasoline/ propane) | Yes | 1.6 | 2 x 120V 20A household outlets, 1 x 12V DC automotive-style outlet, 1 x RV-ready TT-30R outlet | $1,099.00 |

Honda EU2200i | 2,200 | Gasoline | Yes | 0.95 | 2 x 120V 20A household outlets | $1,049.00 |

WEN 56200i Super Quiet 2000-Watt | 2,000 | Gasoline | Yes | 1 | 2 x 120V 20A household outlets, 1 x 12V DC outlet, 1 x 5V USB port | $438.04 |

Briggs & Stratton P2200 | 2,200 | Gasoline | Yes | 1 | 2 x 120V 20A household outlets, 1 x 12V DC outlet | $599.00 |

## Frequently Asked Questions (FAQs)

**What Size Generator Do I Need to Run a 2-Ton AC Unit?**

A general rule of thumb is to choose a generator with a wattage output equal to or greater than the AC unit’s starting wattage requirement. For a 2-ton AC unit, this typically **ranges from 3,000 to 3,500 watts.**

**Can a 2,000-Watt Generator Run a 2-Ton AC Unit?**

It’s unlikely that a 2,000-watt generator will be able to handle the starting wattage requirements of a 2-ton AC unit, which typically ranges from 3,000 to 3,500 watts. However, a 2,000-watt generator may be able to run a 2-ton AC unit once it’s up and running, as the running wattage requirement is typically lower.

**Can I Use a Portable Generator to Run My 2-Ton AC Unit?**

You can use a portable generator to run a 2-ton AC unit if the generator’s wattage output is equal to or greater than the AC unit’s starting wattage requirement. It’s important to follow the generator’s user manual and safety guidelines and to use proper extension cords and outlets.

**What Type of Fuel Should I Use for My Generator When Running My 2-Ton AC Unit?**

The type of fuel you use for your generator when running your 2-ton AC unit will depend on the generator’s fuel type. Most portable generators run on gasoline, but some models also offer the option to use propane or natural gas. Check the generator’s user manual for specific fuel recommendations and safety guidelines.

Fareed, the highly skilled electrical expert, boasts 5 years of extensive experience in proficiently maintaining, repairing, diagnosing, and installing a diverse range of electrical systems.