What Is an Inverter Compressor and How Does It Work

An inverter compressor is a device that changes how fast the compressor motor runs in things like air conditioners and refrigerators. You get better energy savings because the inverter changes its speed to fit how much cooling or heating is needed. This means the compressor does not have to keep turning on and off. Because of this, you get quieter use and steady temperatures. Inverter compressors can help you save more than 30% in energy each year compared to regular models. You will also feel more comfortable and see lower electric bills.

Key Takeaways

• Inverter compressors can change their speed. They match how much cooling or heating you need. This saves energy and keeps the temperature steady.

• They use less electricity than regular compressors. They do not turn on and off all the time. This helps lower your electric bills.

• Inverter compressors are quiet. They make only a soft hum. This makes your home more peaceful and comfortable.

• These compressors last longer. They start smoothly and do not stop suddenly. This means there is less damage over time.

• They help control humidity better. This keeps your indoor air fresh and nice.

• Inverter technology works with eco-friendly refrigerants. It also lowers carbon emissions. This helps protect the environment.

• You can find inverter compressors in many appliances. They are in air conditioners, refrigerators, and heat pumps. This gives better performance.

• Inverter compressors cost more at first. But they save money over time. They use less energy and need less fixing.

Inverter Compressor Basics

What Is an Inverter Compressor

You might wonder how an inverter compressor is not the same as a regular compressor. The main thing that makes them different is how they control speed. A regular compressor can only run at one speed. It turns on when your room gets too warm and shuts off when it cools down. This turning on and off uses more energy and can make the temperature go up and down.

An inverter compressor is also called a variable speed compressor. It uses inverter technology to change how fast the motor goes. If your room needs more cooling, the compressor goes faster. If less cooling is needed, it slows down. This lets the compressor keep running all the time but at different speeds. You get steady temperatures and feel more comfortable. The variable speed compressor saves energy because it does not waste power by turning on and off.

Tip: If you want to save energy at home, pick an appliance with an inverter compressor. It can help lower your electric bills.

Key Features

When you check out inverter compressors, you will see some features that make them special:

• Variable Speed Operation: The inverter lets the compressor change its speed to match how much cooling or heating you need. This is not like non-inverter models, which only run at full speed or are off.

• Energy Efficiency: The variable speed compressor only uses the energy it needs at any time. This cuts down on waste and helps you save money.

• Quieter Performance: The compressor does not keep starting and stopping, so it runs more quietly. You will hear less noise in your house.

• Longer Lifespan: The inverter compressor does not have sudden starts and stops. This means less wear and tear, so your appliance lasts longer.

• Consistent Temperature: The variable speed compressor keeps the temperature steady. You will not feel big changes in comfort.

• Better Humidity Control: The compressor can run slowly for a long time, which helps control humidity better.

Types of Inverter Compressors

There are different types of inverter compressors you can find. Each type has its own design and is used for different things. Here is a table to help you compare them:

You can find inverter compressors in many new appliances, like refrigerators, air conditioners, and heat pumps. The variable speed compressor and inverter technology help these machines use less energy and last longer. Even though they cost more at first, you will save money on energy and repairs over time.

How Inverter Compressors Work

Variable Speed Operation

When you have an inverter compressor, it can change how fast it works. This is called variable speed operation. The compressor does not just turn on or off. It can go faster or slower, depending on what your home needs. If your room is already cool, the compressor moves slowly. If you need more cooling, it speeds up.

This way of working helps you save energy. When the compressor goes slow, it uses less electricity. For example, a variable speed compressor at its slowest can give you about 0.3 more BTUs of cooling per watt than when it goes fast. This means you get about 15% more efficiency by letting it run longer at a lower speed. You do not waste energy by turning the compressor on and off all the time.

Variable speed operation also keeps your room at a steady temperature. You do not feel big changes in comfort. The compressor can run longer at low speed, which helps control humidity and keeps the air fresh. You will also notice the system is quieter because it does not start and stop suddenly.

Tip: A variable speed compressor is like cruise control in a car. It changes speed to keep things steady and comfortable.

Inverter Drive Technology

The inverter is the smart part of the variable speed compressor. Inverter drive technology lets the compressor motor change speed smoothly. The inverter acts like a smart controller. It checks the temperature and tells the compressor how fast to go. If you need more cooling, the inverter makes it go faster. If you need less, it slows the compressor down.

This technology is not like old systems. Old compressors only run at full speed or are off. The inverter compressor can run at any speed between its lowest and highest. This means you get just the right amount of cooling or heating at any time.

The inverter also helps when starting the compressor. Old compressors need a lot of power to start. They can use up to five times more current when they turn on. The inverter compressor starts slowly and uses much less current. This soft start puts less stress on your electrical system and helps your appliances last longer.

Here is a table to show the difference:

Energy Efficiency

You will see that inverter compressors are very energy efficient. The variable speed compressor only uses the energy it needs. It does not waste power by running at full speed all the time. Studies show that using an inverter compressor can cut energy use by 12% to 31% compared to old systems. Some big systems save thousands of dollars each year.

When the compressor runs at lower speeds, it avoids the energy spikes that happen when old compressors start and stop. This steady way of working means you use less electricity and pay lower bills. For example, variable speed AC systems often reach higher SEER ratings, sometimes between 18 and 24, while older models only reach 13 to 15. This can lower your cooling costs by 20% or more.

The inverter compressor also helps your home stay comfortable. It keeps the temperature steady and controls humidity better. You get a quieter home and a system that lasts longer because it does not have to work as hard.

Note: Inverter compressors help the environment too. By using less energy, you lower your carbon footprint and help protect the planet.

Temperature Control

You want your house to always feel nice. The inverter compressor helps by keeping the temperature steady. This is a big reason why people like inverter compressors.

Traditional compressors only turn on or off. When your room gets warm, the compressor turns on fast. When it cools down, it shuts off. This keeps happening again and again. You might notice the temperature goes up and down. Sometimes you feel too hot. Other times you feel too cold. This makes your house less comfortable.

The inverter compressor works in a new way. It uses variable speed technology. The inverter checks your room’s temperature. It tells the compressor to go faster or slower. If you need more cooling, it speeds up. If you need less, it slows down. The compressor does not turn off all the way. It keeps running at the right speed for your house.

Here is how the inverter compressor helps with temperature:

• The compressor changes its speed to match what your room needs.

• You do not feel big changes in temperature. Things stay steady.

• The inverter compressor does not keep turning on and off. This stops hot or cold spots.

• You get better control, so every part of your room feels good.

• The compressor also helps with humidity, so the air feels fresh.

Tip: If you do not want to feel too hot or too cold, pick an appliance with an inverter compressor. It keeps your house at a good temperature.

The inverter’s smart control saves energy. The compressor only works as much as needed. Your home stays quiet and comfortable with fewer changes in temperature. This is why many people like inverter compressors for air conditioners, refrigerators, and heat pumps.

The way the inverter compressor works is different from old models. You get a steady, comfy home and better control over your indoor air.

Inverter Compressors vs. Traditional Compressors

Speed and Operation

When you look at how a normal compressor works, you see a simple pattern. The normal compressor turns on at full speed when your room needs cooling. It keeps running until the temperature drops. Then, it shuts off completely. This cycle repeats over and over. You might notice the room gets cold, then warm, then cold again. The normal compressor cannot change its speed. It only knows how to run at one level.

The inverter compressor works in a smarter way. The inverter lets the compressor change its speed. If your room needs a lot of cooling, the inverter tells the compressor to go faster. When you only need a little cooling, the inverter slows the compressor down. The variable speed compressor keeps running, but it does not always use full power. This means you get steady cooling and fewer temperature swings.

You will feel the difference. The inverter compressor keeps your room comfortable all the time. The normal compressor gives you more ups and downs in temperature. The inverter also helps your appliance last longer because it does not have to start and stop so much.

Tip: If you want smooth and steady cooling, choose an appliance with an inverter compressor. You will notice the comfort right away.

Energy Use

You might wonder which compressor uses less energy. The answer is clear. The inverter compressor saves you a lot of electricity. The inverter lets the compressor run only as fast as needed. It does not waste power by running at full speed all the time. When your room is almost cool, the inverter slows the compressor down. This saves energy.

Studies show that inverter compressors can cut energy use by about 35% for most homes. Some two-stage inverter systems save up to 50%. The normal compressor cannot do this. It always runs at full speed or not at all. This on-and-off cycle uses more electricity and puts more stress on your system.

The variable speed compressor also works better when you do not need full cooling. It adjusts to match what your home needs. This makes it much more efficient, especially on mild days. You will see lower electric bills and help the environment by using less power.

Noise Levels

Noise can make a big difference in your comfort. The normal compressor makes a loud noise every time it starts. You might hear a big "click" or "buzz" when it turns on. This happens because the normal compressor always starts at full power. The noise can reach 70 to 85 decibels, which is as loud as a vacuum cleaner or busy street. These loud bursts can wake you up or disturb your quiet time.

The inverter compressor is much quieter. The inverter lets the compressor start slowly and speed up gently. You hear a soft hum instead of a loud burst. Most inverter compressors run at 40 to 60 decibels, which is like a quiet office or a normal conversation. The sound stays steady, so you do not get sudden noises.

Here is a table to help you compare:

You will enjoy a quieter home with an inverter compressor. The gentle sound makes it perfect for bedrooms, offices, or any place where you want peace.

Note: The inverter compressor uses advanced electronics to control speed. This makes it quieter, but it also means the system is more complex.

Lifespan and Maintenance

When you choose a compressor for your home, you want it to last as long as possible. The lifespan of a compressor depends on how it works and how much stress it faces each day. Inverter compressors usually last longer than traditional compressors. This happens because the inverter compressor does not start and stop all the time. It runs at different speeds, so it faces less wear and tear.

A traditional compressor often lasts about 7 to 10 years. It turns on and off many times a day. Each time it starts, it uses a lot of power and puts stress on its parts. Over time, this stress can cause the compressor to break down sooner. You may need to replace or repair it more often.

An inverter compressor, when you take care of it, can last 12 to 15 years. It avoids sudden starts and stops. The compressor runs smoothly at the speed your home needs. This gentle operation means the parts inside the compressor do not wear out as quickly. You get more years of use before you need to think about a new compressor.

Some companies, like LG, make inverter compressors with special materials. They use strong polymers like PEEK, which you can also find in airplanes. These materials help the compressor resist damage and last even longer. Improved bearings inside the compressor also help reduce the need for repairs. You spend less time and money on maintenance.

Here is a table to help you compare the two types:

You will also notice that inverter compressors need less maintenance. The smooth running and fewer starts mean fewer chances for parts to break. You still need to clean and check your compressor, but you will not have to call for repairs as often.

Tip: If you want a compressor that lasts longer and needs less care, pick an inverter compressor. You will save money and avoid the hassle of frequent repairs.

A longer-lasting compressor means less waste and fewer replacements. You help the environment by keeping your compressor running well for many years. When you choose an inverter compressor, you invest in a system that gives you peace of mind and steady performance.

Benefits of Inverter Compressors

Energy Savings

You want to save money on your electric bill. An inverter compressor helps you do that. This type of compressor changes its speed to match how much cooling your home needs. When you need less cooling, the compressor slows down and uses less power. When you need more, it speeds up. This smart control means you never waste energy.

In real-world systems, like electric cars and modern air conditioners, inverter compressors have shown energy savings of 20% to 30% or even more. The compressor does not run at full speed all the time. It only works as hard as needed. This reduces energy waste and keeps your system from getting too hot. Some compact screw compressors with inverters also improve their energy efficiency by 10-15% over older models. Even though the initial cost is higher, you get better efficiency and lower bills over time.

You will notice the difference in your monthly costs. The inverter compressor makes your home more energy efficient. You use less electricity, which is good for your wallet and the planet.

Tip: If you want to cut your energy use, choose an appliance with an inverter compressor. You will see the savings add up each month.

Quieter Operation

Noise can be a big problem with old compressors. Every time a traditional compressor starts, you hear a loud click or buzz. This can disturb your sleep or make it hard to relax. An inverter compressor solves this problem. The inverter lets the compressor start slowly and change speed smoothly. You hear a gentle hum instead of loud bursts.

The compressor does not turn on and off all the time. It keeps running at the right speed for your home. This steady operation means less noise. Most inverter compressors run at 40 to 60 decibels, which is about as loud as a quiet office. You can enjoy peace and quiet in your living room or bedroom.

Here is a quick comparison:

You will feel the difference right away. The inverter compressor gives you a calm and comfortable home.

Comfort and Temperature

You want your home to feel just right. An inverter compressor helps you stay comfortable by keeping the temperature steady. The inverter checks the room temperature and changes the compressor speed to match what you need. When you first turn on your air conditioner, the compressor runs fast to cool the room quickly. Once you reach your set temperature, the compressor slows down and keeps the room steady.

Unlike old compressors that turn on and off, the inverter compressor runs all the time at the right speed. This means you do not get big swings in temperature. You avoid feeling too hot or too cold. Sensors in the system watch the temperature and adjust the compressor in real time. You get smooth, even cooling and better comfort.

Inverter compressors also help with humidity. The compressor can run at a low speed for a long time, which removes more moisture from the air. Your home feels fresher and more pleasant.

Note: Inverter compressors make your home more comfortable by keeping the temperature and humidity just right. You get quiet, steady, and energy efficient cooling every day.

Environmental Impact

When you pick an inverter compressor, you help the earth in many ways. The biggest way is by using less energy every day. Inverter compressors change their speed to match your home’s needs. They do not waste power by turning on and off a lot. This smart way of working means you use less electricity.

Using less electricity helps cut down carbon emissions. Power plants burn fuels to make electricity. When you use less power, fewer greenhouse gases go into the air. Studies say about 70% of a compressor’s impact comes from the electricity it uses. If you use solar or wind power, you can lower this impact by almost 70%. This shows your energy choices matter for the planet.

Inverter compressors also use eco-friendly refrigerants. These new refrigerants do not hurt the ozone layer as much as old ones. Many inverter units follow strict green rules, so you know they are better for the earth.

Here are some ways inverter compressors help the environment:

• Inverter compressors change speed to fit your home’s needs. This stops energy waste.

• Using less energy means fewer greenhouse gases from power plants.

• Many inverter compressors use safer refrigerants for the earth.

• These compressors last longer, so you do not replace them as much. This means less trash in landfills.

• Inverter compressors meet tough green standards, so you can trust their claims.

Note: Every time you use an inverter compressor, you help lower your carbon footprint. You save energy, make less pollution, and help the planet stay healthy.

Compressors that last longer also mean less trash. When you do not replace your compressor often, fewer old machines end up in landfills. This helps stop pollution and saves resources.

If you want a greener home, pick an appliance with an inverter compressor. You get comfort and save money, and you help protect the earth for the future. Every small step counts. By choosing energy-saving technology, you help fight climate change.

Inverter AC and Other Applications

Inverter AC

You can find inverter AC units in lots of homes and offices. An inverter AC uses an inverter compressor to change how fast the motor goes. This means the compressor does not just turn on or off. It speeds up or slows down to match your room’s cooling needs. You get steady comfort and save energy at the same time.

When you use an inverter AC, you notice the difference fast. The temperature stays even, and you do not feel cold blasts. The compressor keeps the room cool without wasting power. You also hear less noise because it runs smoothly. Many inverter ACs work in mini-split systems for many rooms. You can set different temperatures in each room. This is great for homes with many spaces or offices with different needs.

If you want to save money on your electric bill, pick an inverter AC. The compressor only uses the energy needed, so you do not pay for waste. You also help the environment by using less electricity. Inverter ACs last longer because the compressor does not wear out as fast. You get a reliable air conditioner that keeps you comfy year after year.

Tip: Pick an inverter AC if you want quiet, steady cooling and lower bills.

Refrigerators

New refrigerators use inverter refrigeration compressors for better performance and more features. The compressor inside your fridge changes speed based on how much cooling you need. This is not like old fridges that run at one speed all the time.

Here is how inverter refrigeration compressors make your fridge better:

• The compressor cools faster by changing power to meet demand, but it keeps energy use low.

• Many inverter refrigerators have compartments you can switch between fridge and freezer. This gives you flexible storage.

• Frost-free operation stops ice from building up. You do not need to defrost by hand, and airflow stays strong.

• Sleek designs with LED lighting help you see inside and use less energy.

The compressor also keeps the temperature steady. Your food stays fresh longer, and you do not see big changes in cooling. The compressor runs quietly, so your kitchen stays peaceful. You also get a fridge that lasts longer because the compressor does not start and stop all the time. This means fewer repairs and less hassle for you.

If you want a fridge that saves energy, runs quietly, and gives you more control, look for one with an inverter refrigeration compressor. You will notice the difference in your food and your electric bill.

Heat Pumps

Heat pumps with inverter compressors keep you comfortable in every season. The compressor inside a heat pump changes speed to match how much heating or cooling you need. This is not like old heat pumps that turn on and off all the time. The compressor runs longer at lower speeds, keeping your home at a steady temperature.

You get many benefits from this technology. The compressor uses less energy, so you save money on your bills. Inverter heat pumps often have a Coefficient of Performance (CoP) between 3 and 5. This means they give you 3 to 5 times more heat than the electricity they use. The compressor also lasts longer because it does not face as much stress. You enjoy a quieter home and better humidity control.

Inverter heat pumps work well in mini-split systems for many rooms. You can heat or cool different rooms as needed. This makes them a smart choice for homes with many spaces. The smooth operation of the compressor means you do not feel big swings in temperature. You stay comfortable all year.

If you want the latest in heat pump technology, choose a system with an inverter compressor. You get energy savings, comfort, and a system that lasts for years.

Other Uses

You may think inverter ac technology is only for air conditioners, refrigerators, or heat pumps. But it is used in many other places too. This technology helps save energy and gives you better control in lots of devices.

You can find inverter ac technology in big buildings. Large offices and malls use huge HVAC systems. These systems have inverter ac compressors to control the temperature in each area. Every part of the building stays comfortable. The system uses less power because it changes with the number of people and the weather.

Factories and warehouses use inverter ac systems as well. These places need strong cooling or heating for machines and products. Inverter ac compressors keep the temperature steady. This protects equipment and saves money on energy bills.

You will also see inverter ac technology in public transport. Modern trains and buses use inverter ac compressors for climate control. Passengers feel comfortable during the ride. The system is quiet, so you can enjoy a peaceful trip.

Some hospitals and labs use inverter ac systems too. These places need strict temperature and humidity control. Inverter ac compressors help keep medicine and samples safe. You can trust the system to work all day and night without big temperature changes.

You can even find inverter ac technology in data centers. Computers and servers make a lot of heat. Inverter ac compressors cool the rooms and protect the machines. The system changes with how much work the computers do. You get steady cooling and lower energy costs.

Here is a table that shows where you might see inverter ac technology:

Note: Inverter ac technology is growing fast. You will see it in more places as people want to save energy and stay comfortable.

You can expect to see inverter ac systems in green buildings and smart homes. These systems connect to apps and sensors. You can control the temperature from your phone. The inverter ac compressor changes speed to match what you need. You get comfort, savings, and control all together.

If you look around, you will see inverter ac technology making life easier and more efficient. This technology helps you save money, protect the earth, and enjoy steady comfort everywhere.

Choosing an Inverter Compressor

Cost vs. Savings

When you look at buying an inverter compressor, you may notice the price is higher than a regular compressor. This can make you wonder if it is worth the extra money. The good news is that you can often get your money back in just a few years. Most people see the payback period for an inverter compressor in HVAC systems range from 1 to 5 years. Many projects reach payback in about 1.5 to 3 years. This happens because the compressor saves a lot of energy—sometimes 20% to 50% less than older models.

For example, if you buy an inverter compressor for a chiller and spend $50,000, you might save about $18,000 each year on energy and maintenance. In less than three years, your savings can cover the cost of the compressor. After that, you start saving money every year. This makes the investment smart for your home or business.

Tip: Even though the upfront cost is higher, the long-term savings from an inverter compressor can make it a better choice for your wallet.

Suitability

You need to make sure the compressor you pick fits your needs. Not every compressor works for every job. Here are some things you should check before you buy:

1. Know Your Application: Decide if you need the compressor for refrigeration, air conditioning, or another use. Each job has different needs.

2. Check Cooling Capacity: Pick a compressor that matches the size of your room or building. If it is too big or too small, it will not work well.

3. Look at Voltage and Current: Make sure the compressor matches your power supply. This helps avoid electrical problems.

4. Think About Energy Efficiency: Choose a compressor with a high energy efficiency ratio. This saves you money on your bills.

5. Consider Noise and Vibration: If you want a quiet space, pick a compressor that runs smoothly and quietly.

6. Check Reliability: Go with brands that have a good track record. Reliable compressors last longer and need fewer repairs.

7. After-Sales Support: Make sure you can get help if something goes wrong. Good support makes your life easier.

8. Balance Cost and Features: Find a compressor that fits your budget but still gives you the features you need.

9. Power Source Compatibility: If you use solar or other renewable energy, check if the compressor works with DC power or hybrid systems.

Inverter compressors give you more control over temperature and can run quietly. Some models work directly with solar panels, which is great if you want to use renewable energy. You may pay more at first, but you get better performance and more options.

Power Supply Needs

You must check the power supply before you install an inverter compressor. These compressors use special technology to control speed and power. They work by changing AC power to DC, then back to AC. This lets the compressor adjust its speed to match how much cooling or heating you need.

For homes, most inverter compressors have power ratings below 10 kW. This fits most residential needs. In commercial buildings, the power rating can go above 100 kW. You need to make sure your electrical system can handle the voltage and current the compressor needs. If you do not match the power supply, the compressor may not work right or could get damaged.

Note: Always check the rated voltage and current for your compressor. This helps you avoid problems and keeps your system running safely.

When you choose an inverter compressor for your HVAC system, you get better energy control and savings. Just make sure you match the compressor to your needs and power supply for the best results.

Myths and Facts

When you search for info about inverter compressors, you might see some myths. These myths can make it tough to decide what to buy. Let’s talk about the most common ones, so you can feel sure about your choice.

Top Myths About Inverter Compressors

1. Myth: Inverter compressors react too slowly to changes in demand.
   Some people say inverter technology is slow when your cooling or heating needs change fast. This is not true. Some inverter scroll compressors can change speed in less than 0.1 seconds. You get a quick response, so your home stays comfy even if the weather changes fast.

2. Myth: Oil circulation becomes a problem at high speeds.
   Some think running an inverter compressor fast makes too much oil move in the system. Modern inverter compressors use electronic controls to manage oil flow. Even at top speed, oil circulation can stay under 3%. This keeps your compressor safe and running well, no matter how fast it goes.

3. Myth: Inverter compressors cause electromagnetic interference and cannot be used in sensitive places.
   You may worry about electromagnetic compatibility if you have electronics or special equipment nearby. Many inverter compressors now have advanced EMC filters. These filters meet strict European rules for electromagnetic interference. You can use inverter compressors in hospitals, labs, or offices without worrying about problems.

Tip: Always check the product details or ask your installer about EMC features if you want to use the compressor near sensitive electronics.

Quick Facts Table

You might hear other myths, like inverter compressors are too hard to fix or too complex. But most brands give good support and clear instructions. You can find trained technicians to install and fix them. Inverter compressors are now common in homes and businesses because they work well and last a long time.

Note: Do not let myths stop you from picking an inverter compressor. When you know the facts, you can make a smart choice for comfort and savings.

When you pick an inverter compressor, your home feels comfortable. It is quieter and saves energy for you. The compressor changes speed to fit what you need. This helps stop wasting power. You might spend more money at first. But you save money later because it uses less energy. Many people use this compressor in homes and businesses now. It follows tough energy rules and is good for the earth. The compressor works with smart tech, so you can control it easily. Think about your budget and if you want a quiet space. Also, decide if you want a compressor that lasts longer. If you want a modern and quiet home, this is a good choice. The compressor gives you more control, less worry, and helps the planet.

FAQ

What is the main benefit of an inverter compressor?

You use less energy with an inverter compressor. The compressor changes its speed to fit what you need. This helps lower your electric bill. It also keeps your home comfortable.

Can you use an inverter compressor with solar power?

Yes, many inverter compressors can work with solar power. Some models connect right to DC from solar panels. Always check the product details to make sure they match.

Do inverter compressors need special maintenance?

You do not need special care for inverter compressors. Clean and check them like you do with regular compressors. Follow the instructions from the maker for best results.

Why does an inverter compressor run all the time?

The compressor runs at different speeds to keep things steady. It does not turn off and on like old compressors. This saves energy and makes less noise.

Are inverter compressors noisy?

No, inverter compressors are quiet. You hear a soft hum, not loud bursts. This makes them good for bedrooms and quiet rooms.

How long does an inverter compressor last?

An inverter compressor can last 12 to 15 years. It lasts longer than old compressors because it does not start and stop a lot.

Can you install an inverter compressor in any air conditioner?

You cannot put an inverter compressor in every air conditioner. The system must be made for inverter technology. Always ask a professional before you try to upgrade.