What Is a Dual Inverter HVAC Unit? | Rinaldi's A/C & Heating

What Is a Dual Inverter HVAC Unit?

A dual inverter AC is more efficient and quieter than standard AC
Read Time: 3 minutes
Oct 17, 2022

Dual inverter HVAC systems are a newer technology. If you have an older HVAC unit, it likely won’t be a dual inverter due to its relatively recent entry into the HVAC market. However, dual inverters have generally proven themselves to be quiet, efficient, and faster at cooling or heating a room than standard HVAC units.

What Does Dual Inverter Mean?

An HVAC unit with a dual inverter is one that has two inverters. The inverter is the part of the system that controls how much your HVAC system is putting out by slightly adjusting how much electrical current the compressor receives.

What Is the Difference Between a Dual Inverter and a Single Inverter?

A dual inverter system has a twin rotary compressor with two separate compression chambers. A standard inverter HVAC unit has only one. Both have the same type of inverter rotary compressor; a dual inverter just has two of them. This means that a dual inverter HVAC can split the work between the two inverters, which helps them be more efficient and cool more quickly.

What Is the Difference Between an Inverter HVAC System and a Non-Inverter System?

An inverter system, whether it has a single inverter or two, is able to very the speed of the compressor’s motor as needed so that it’s not always running at full capacity. For example, if the room has reached the desired temperature, an inverter system can slow the compressor’s speed so it’s not operating at maximum capacity until necessary. In a non-inverter system, there are only two speeds: maximum and off.

Does a Dual Inverter Cool More Effectively?

a woman adjusting settings on an AC unit with a remote control

One of the primary advantages of a dual inverter HVAC system is that it can cool faster than a single inverter system. Because the work can be split up between both inverters, this makes the system more efficient, enabling it to cool faster while also saving on energy. The technology involved in making a dual inverter system uses more advanced rotors than in a single inverter unit, which also helps to improve the cooling capabilities.

Is a Dual Inverter HVAC Better for the Environment?

A dual inverter HVAC unit is more energy-efficient than other types of air conditioning. This does mean that it’s more environmentally friendly. Dual inverter systems don’t use as much power because each rotor doesn’t have to rotate as frequently. On top of the lower energy usage being better for the environment, it also saves homeowners money on energy bills.

How Long Does a Dual Inverter HVAC Unit Last?

A non-inverter AC unit can last between 12 and 15 years, while an inverter unit can last typically between 15 and 20 years. Dual inverter units tend to last towards the longer end of that expected lifespan. This is because the twin rotary compressors share the load and each therefore experiences less wear and tear over time than in a single inverter system, which in turn lasts longer than a non-inverter system because it can adjust speed as needed rather than always running at maximum speed.

Is a Dual Inverter HVAC System Quieter?

a business woman adjusting a dual inverter HVAC system with a remote control

Another major benefit of a dual inverter system is that it is much quieter than a standard AC unit. This is because with a single compressor, the rotor would need to rotate faster to achieve the same the same effect, while in a dual inverter, the two compressor rotors work together and therefore neither has to spin as quickly. The lower rotational speeds result in an overall quieter system.

Is a Dual Inverter HVAC Unit More Expensive?

The one downside of a dual inverter AC unit is that it’s more expensive than a single inverter system or a non-inverter system. The exact cost depends on the brand, size of the dual inverter unit, and whether you’re looking for a window unit or a central HVAC system. The higher cost can be mitigated by the fact that a dual inverter system does also typically last longer, meaning that you won’t have to replace it as often. Plus, you’ll save money on energy bills.

Need HVAC solutions?

Contact us for all your HVAC needs.

Contact us