What is an Air Handler: Essential HVAC Component Explained

HVAC

Blog
// Posted by Crossville Heating and Cooling, Inc.

If you have a heat pump outside your home, the air handler is the key indoor part of your system. It keeps your home comfortable all year. Air handlers are usually found in the attic, basement, or a closet. They look a bit like a gas furnace.

An air handler "handles" the air in your home, sending warm or cool air everywhere. It's a main part of your HVAC system. It works best with your heat pump's capacity and SEER rating. This makes sure it moves air efficiently through your home's ductwork.

air handler

Key Takeaways

  • An air handler is a crucial indoor component of a heat pump HVAC system.
  • Air handlers efficiently circulate conditioned air throughout a home's ductwork.
  • Proper matching of the air handler with the heat pump ensures optimal energy efficiency.
  • Air handlers can be located in attics, basements, or dedicated closets.
  • Air handlers play a vital role in maintaining indoor comfort and air quality.

Introduction to Air Handlers

An air handler is key to your HVAC system. It makes sure air moves around your home or building. It works with your air conditioner or heat pump to keep you comfortable inside.

What is an Air Handler?

An air handler is a main unit with important parts like a blower, evaporator coil, heating elements, and air filter. These parts work together. They pull in air, change its temperature, and send it through ducts and vents in your place.

The Role of Air Handlers in HVAC Systems

The air handler is the core of your HVAC system. It moves air and spreads it to various rooms. It teams up with your air conditioner or heat pump for cooling and heating. This makes sure the air quality and temperature are the same everywhere, making your space more comfortable.

Key Components of an Air Handler

An air handler is key to a heating, ventilation, and air conditioning (HVAC) system. It moves air and helps with heating or cooling. It has several important parts that work together to keep your home comfortable and the air clean.

Blower or Fan

The blower or fan is the main part of the system. It moves air all over your home. It pulls in air from the return ducts, cools it, and sends it back into your living areas through the supply ducts.

Evaporator Coil

The evaporator coil is vital for cooling your home. It takes in refrigerant that absorbs heat from the air. This cools and dries the air before sending it out to your home.

Heating Elements

When it's cold, the air handler uses electric heating elements to warm the air. These elements work with the blower to make sure your home stays warm and cozy.

Air Filter

First, the air goes through a filter in the air handler. This filter catches dust and other particles. It keeps the air clean and stops dirt from getting on other important parts.

Dampers

Dampers control how much air flows and where it goes. They make sure the air is spread evenly in your home. This means you get consistent heating and cooling everywhere.

Knowing about the air handler's parts helps homeowners and HVAC experts understand how it works. This leads to better comfort, saves energy, and keeps the air clean.

How an Air Handler Works

The air handler is key to your HVAC system, making sure your home stays comfortable with air conditioning, air heating, and air distribution. Knowing how it works shows its importance in keeping your home cozy.

Intake and Filtration

The air handler pulls in air from your home through return ducts. This air then goes through the air filter. The filter takes out dust, pollen, and pet hair, making the air cleaner.

Conditioning the Air

When it's hot, the air handler uses air conditioning to cool the air. The air goes over the evaporator coil, losing heat and cooling down. In the cold months, it heats the air instead, making it warm before sending it out.

Air Distribution

Once the air is ready, the air handler's fan sends it through the supply ducts. Dampers make sure the air goes to the right rooms, making sure everyone is comfortable and efficient.

Learning about the air handler operation shows its vital role in your home's comfort. Keeping it maintained and installed right is key for its best performance.

Types of Air Handlers

Air handlers come in many types, each suited for different buildings and needs. Whether for homes or businesses, knowing the options helps pick the best one. This is true for residential, commercial, or specialized make-up air units.

Residential Air Handlers

Residential air handlers are compact units that work with air conditioners or heat pumps. They make a complete HVAC system for homes and small businesses. These units keep the air in your space comfortable and clean.

Commercial Air Handlers

Commercial air handlers are bigger and more complex. They are used in big buildings like offices or factories. These units handle more air and meet the ventilation needs of large spaces. They keep the temperature right and air moving well.

Make-Up Air Units

Make-up air units (MAUs) focus on clean air, important in places like restaurants or hospitals. They change the air completely with fresh air. This helps control smells, humidity, and keeps the air healthy.

Choosing the right air handler is key for good performance and comfort. It's important to pick the right size and type for your HVAC needs.

Importance of Air Handlers

The air handler is key to your HVAC system, making sure air moves around your home. Without it, your home's climate would be hard to control. It keeps your home's temperature and humidity steady, making you more comfortable.

The air handler also helps keep the air in your home clean. It filters out dust, pollen, and other tiny particles. This is great for people with allergies or breathing problems. It means cleaner air for your family.

It also makes your HVAC system work better and use less energy. This can lower your bills and help the planet. Keeping your air handler in good shape is key to a well-running heating and cooling system.

Improved Comfort

The air handler makes sure air is evenly distributed in your home. This keeps the temperature and humidity just right. It makes your home a more comfortable place to be.

Better Air Quality

The air filter in the air handler catches dust, pollen, and other bad stuff in the air. This is a big help for people with allergies or breathing issues. It makes the air cleaner for everyone.

Energy Efficiency

The air handler helps your HVAC system use less energy. This means lower bills and less harm to the environment. It's an important part of making your home more energy-smart.

Common Air Handler Problems

Air handlers can face various issues that affect their performance. Homeowners often deal with clogged air filters, faulty blower motors, and leaky ducts.

Clogged Air Filters

Clogged air filters are a common problem. Dust, pet hair, and other particles can block the filter. This reduces airflow and can cause ice to form on the evaporator coil.

Faulty Blower Motor

A faulty blower motor is another issue. It moves air through the HVAC system. Without it, air distribution is poor, leading to uneven temperatures.

Leaky Ducts

Leaky ducts are a big problem too. Cracks or gaps let conditioned air escape. This makes the air handler work harder, increasing energy bills and wear on components.

Fixing these air handler problems quickly is key to keeping your HVAC system efficient and lasting longer. Regular maintenance, like changing air filters and cleaning coils, can prevent many issues.

Air Handler Maintenance

Keeping your air handler in good shape is key to its efficiency and your HVAC system's performance. Tasks like cleaning or replacing the air filter, checking the blower motor, and finding duct leaks are important. They help your air handler last longer and keep your home comfy.

It's wise to maintain your air handling unit (AHU) at least twice a year. Regular cleaning and upkeep cut down on costs and fix issues faster. Common issues include air filter problems, dirty coils, fan motor issues, and duct leaks.

To keep your air handler working well, follow the maker's maintenance plan. This usually means:

  • Changing or cleaning the air filter often to keep air flowing well and air quality high.
  • Looking at and cleaning the blower motor and parts to make sure they work right.
  • Checking ducts for leaks or damage and fixing them with mastic tape or duct sealant.
  • Cleaning the evaporator coil to stop dirt and debris from blocking the unit's efficiency.
  • Checking fan blades for dust and making sure fan RPM is correct.

Regular air handler maintenance stops expensive repairs, improves air quality, and saves energy. This means lower bills. It's smart to have an HVAC pro check your air handler once a year, before each season, to keep it running smoothly.

With a steady air handler maintenance routine, you can make your HVAC system last longer, work better, and keep your home comfy and efficient.

Choosing the Right Air Handler

The air handler is key to your home's HVAC system. It ensures your home stays cool and warm efficiently. When picking an air handler, think about size, energy efficiency, and noise levels.

Size and Capacity

Choosing the right air handler size is crucial. It must match your home's cooling and heating needs. A too-small unit won't keep your home comfortable. A too-big unit wastes energy and money. A professional HVAC contractor can help find the perfect size for your home.

Energy Efficiency Ratings

Energy efficiency is vital when picking an air handler. Look for high SEER ratings. These ratings show how well the unit uses electricity for cooling. More efficient air handlers cut down on energy bills and help the environment.

Noise Levels

Consider the noise level of an air handler too. A loud unit can disturb your peace at home. Choose air handlers with low decibel ratings and soundproofing for a quiet home.

Think about size, energy efficiency, and noise when picking an air handler. A professional HVAC contractor can guide you. This ensures you get the best unit for your home's needs.

Air Handler Installation

Installing your air handler right is key for its best performance and your HVAC system's efficiency. It means making sure the air handler fits your home's needs and looks at your ductwork for good airflow.

Proper Sizing and Matching

Choosing the right air handler size is very important. A too-small unit won't cool or heat well, and a too-big one wastes energy. Experts calculate the right size based on your home's size, insulation, and climate.

Ductwork Considerations

Your home's ductwork is crucial for your air handler's performance. It must be the right size and sealed well to spread air evenly. Technicians check your ducts to see if they need changes or upgrades.

Professional Installation

It's important to work with a skilled HVAC pro for air handler installation. They know how to connect your air handler with your HVAC system for even air flow and energy savings. They can handle tricky installations, like small spaces or unique homes.

Letting licensed HVAC pros handle your air handler installation means a smooth setup. This ensures your home's comfort, air quality, and energy efficiency are top-notch.

Air Handlers and Indoor Air Quality

Air handlers are key to keeping the air in your home or business clean. They remove dust, pollen, and other particles from the air. This makes the air you breathe cleaner and healthier.

Air Filtration

Air handlers filter the air in your HVAC system. High-quality filters catch a lot of airborne pollutants, like:

  • Dust
  • Pollen
  • Pet dander Mold spores Bacteria

This helps improve the air quality inside. It's great for people with allergies or breathing problems.

Humidity Control

Air handlers also manage the humidity in your space. The right humidity level is important for comfort and stops mold and mildew from growing. This keeps the air quality better.

Some air handlers can take out extra moisture. This keeps humidity at the right level for a healthier space.

Air Purification Systems

Some air handlers have special air purification systems. These can include UV lights or ionizers. They help remove pollutants like:

  1. Volatile organic compounds (VOCs)
  2. Bacteria
  3. Viruses
  4. Odors

These systems add an extra layer of protection. They make sure the air you breathe is as clean as possible.

In summary, air handlers are important for clean air. They filter out bad particles, control moisture, and sometimes use advanced purification. A good air handler can greatly improve health and comfort in your space.

Smart Home Integration with Air Handlers

Smart home technology is making air handlers more connected. Now, homeowners can control their air handlers from their smartphones or other devices. They can adjust temperature, humidity, and airflow easily.

Smart air handlers bring many benefits. They can adjust automatically based on when people are home, schedules, and the weather. This means they work better and use less energy.

  • Popular smart thermostat brands like Nest and Ecobee offer features such as learning algorithms, energy usage reports, and compatibility with various smart home platforms.
  • Smart HVAC systems enable zoned heating and cooling. This lets you control the temperature in different parts of your home. You can use smart vents and sensors for this.
  • Motion and humidity sensors work with AI to make your HVAC system smarter. They adjust to your home's needs and save energy.

Adding air handlers to smart home tech makes living more comfortable and saves energy. These systems manage heating and cooling smartly. This cuts down on utility bills and helps the environment.

As smart home tech grows, air handlers become more important. They connect with home automation systems, giving homeowners control over their climate. This means more comfort and ease in managing your home's temperature.

Energy-Efficient Air Handlers

Homeowners are looking to cut down on energy use and help the planet. Air handlers are getting better at this. They now have features like variable-speed blowers. These blowers adjust airflow based on what you need, using less power but keeping you comfortable.

High-efficiency evaporator coils are also key to saving energy. They move heat better, making your HVAC system more efficient. This means you use less energy but still stay cool or warm as needed.

Programmable Thermostats

Many air handlers now have programmable thermostats. These let you set when you're home and when you're not. This way, your HVAC system works only when you need it, saving energy and money.

With features like variable-speed blowers, high-efficiency evaporator coils, and programmable thermostats, today's air handlers are changing the game. They make your home more energy-efficient. This means lower bills and less harm to the environment.

Air Handler Replacement

Your air handler is a key part of your HVAC system. Over time, it can show signs it needs to be replaced. Knowing these signs helps you decide to upgrade to a newer, more efficient model. This upgrade can make your home more comfortable, improve the air quality, and save energy.

Signs of Aging

Look out for these signs that your air handler might need replacing:

  • Unusual noises, like rattling or grinding, mean there could be mechanical issues.
  • Less airflow might be due to dirty air filters, a failing blower motor, or other problems.
  • A sudden increase in your energy bills could mean your system is less efficient.
  • If your air handler freezes in the summer, it could be a sign of airflow or refrigerant issues.
  • Need more than one big repair a year? It might be time for a new air handler.

Upgrading to a New System

When it's time for a new air handler, think about getting a more energy-efficient one. This can bring many benefits, such as:

  1. Improved comfort: New air handlers spread air more evenly and efficiently, making your home more comfortable.
  2. Better indoor air quality: Modern air handlers have better filters and humidity control, improving the air in your home.
  3. Lower energy costs: Energy-efficient air handlers use less energy, which can cut down your utility bills.

Working with a skilled HVAC pro ensures your new air handler fits well with your system. Replacing your old air handler is a smart move for your home's comfort, efficiency, and value.

Air Handler

The air handler is key to any HVAC system, moving conditioned air around homes or buildings. It has the blower, evaporator coil, heating parts, and air filter. These parts work together to take in, change, and spread the air.

Keeping the air handler in good shape and replacing it on time is crucial. New air handlers are quieter than old ones, which is great for homeowners. They also use less energy, which means lower bills every month.

Air handlers make sure homes stay warm or cool, no matter the size. They help keep the air inside comfy. Being energy-efficient means they use less power to keep your home at a good temperature, saving you money.

Goodman air handlers are easy to set up, last a long time, and don't make much noise. They make homes more comfortable. These units have top-notch air filters that clean the air, making it healthier to breathe.

Split air conditioners and heat pump systems need air handlers to spread cool air well in homes. Knowing about common issues like dirty air filters, broken blower motors, and frozen coils helps keep your HVAC running smoothly.

Checking and maintaining your air handler often can find and fix leaks in the ducts. This keeps it working right. For more info on Goodman air handlers and why you might want a new one, reach out to Superior Home Supplies.

Conclusion

Air handlers are key to keeping our homes comfortable and healthy. They help maintain a good indoor environment. By knowing how air handlers work, homeowners can keep their HVAC systems running well. This means better temperature and humidity control and cleaner air inside.

Regular maintenance and choosing the right, energy-efficient air handler are important. They help save money and keep homes comfortable for a long time.

As technology gets better, air handlers are linking up with smart home systems. This gives homeowners more control over their home's climate. The air handler is a crucial part of the HVAC system. Taking good care of it is key for a cozy, efficient, and healthy home.

Understanding air handlers and their upkeep helps homeowners make smart choices. They can keep their HVAC systems running smoothly. This ensures they get the home comfort, indoor air quality, and energy efficiency they need.

HVAC Technician installing a electric heat pump
About Crossville Heating and Cooling, Inc.
Crossville Heating and Cooling, Inc. is a locally owned heating and air conditioning company that provides sales, service, and installation of any type of heating or cooling in your home or light commercial building.

Although the name Crossville Heating and Cooling, Inc. is new, Mr. Richard Gilmer has been in the business of keeping his neighbors comfortable since 1998. As our presence in the HVAC contractors industry has evolved, we decided to change the name of our business to better reflect our commitment to the Middle TN area.

Our core values include implementing economically friendly products and practices to better contribute to the health and home of our customers. We are EPA certified and ensure that all refrigerant is recycled and all equipment is disposed of as per environmentally-safe standards. Our service techs and installers are trained to conduct business with minimal disruption to your daily lifestyle so that the only impact we make is a positive one

FAQ

What is an air handler?

An air handler is a device that moves conditioned air in your home. It's key to your HVAC system, working with your air conditioner or heat pump to spread cool or warm air.

What are the key components of an air handler?

The main parts of an air handler are the blower or fan, evaporator coil, heating elements, air filter, and dampers. These parts work together to take in, condition, and send air through your home.

How does an air handler work?

The air handler goes through a cycle to send conditioned air through your home. It starts by pulling in air from your home. This air then goes through the air filter and gets cooled or heated. Finally, it's sent back into your home through the ducts.

What are the different types of air handlers?

There are three main types of air handlers: residential, commercial, and make-up air units. Residential air handlers are small and work with air conditioners or heat pumps. Commercial air handlers are big and complex, used in large buildings. Make-up air units focus on improving indoor air quality in certain settings.

Why are air handlers important?

Air handlers keep your home comfortable and healthy. They control temperature and humidity, improve air quality, and help your HVAC system work better.

What are common problems with air handlers?

Common air handler problems include clogged air filters, broken blower motors, and leaky ducts. These issues can make your HVAC system less efficient and make your home uncomfortable.

How do I maintain my air handler?

Keep your air handler running well by cleaning or replacing the air filter, checking the blower motor and other parts for damage, and fixing any duct leaks. Follow the maker's maintenance schedule to make your air handler last longer.

What should I consider when choosing an air handler?

Think about the size and capacity to fit your home's needs, energy efficiency ratings (like SEER), and noise levels when picking an air handler. A professional HVAC contractor can help you choose the right one for your home.

How important is proper installation of an air handler?

Getting your air handler installed right is key for its best performance and your HVAC system's efficiency. This means making sure it's the right size for your home and considering your ductwork for good airflow.

How do air handlers impact indoor air quality?

Air handlers are crucial for keeping your home's air clean. The air filter in the air handler catches dust, pollen, and other particles, making the air cleaner. Some air handlers even have air purifiers to clean the air even more.

HVAC Technician installing a electric heat pump
About Crossville Heating and Cooling, Inc.
Crossville Heating and Cooling, Inc. is a locally owned heating and air conditioning company that provides sales, service, and installation of any type of heating or cooling in your home or light commercial building.

Although the name Crossville Heating and Cooling, Inc. is new, Mr. Richard Gilmer has been in the business of keeping his neighbors comfortable since 1998. As our presence in the HVAC contractors industry has evolved, we decided to change the name of our business to better reflect our commitment to the Middle TN area.

Our core values include implementing economically friendly products and practices to better contribute to the health and home of our customers. We are EPA certified and ensure that all refrigerant is recycled and all equipment is disposed of as per environmentally-safe standards. Our service techs and installers are trained to conduct business with minimal disruption to your daily lifestyle so that the only impact we make is a positive one

Related Blog Posts

How to Tackle the Ugly Cold in Cumberland County
How to Tackle the Ugly Cold in Cumberland County
The ugly cold is inevitable, but with the right preparation and maintenance, you can stay warm and comfortable all season long.
Read More →
How Does a Heat Pump Work in Winter?
How Does a Heat Pump Work in Winter?
Heat pumps keep your home warm in winter by efficiently transferring heat from the outside air, even in freezing temperatures, saving energy compared to traditional systems. For optimal performance, maintain consistent thermostat settings, clear the outdoor unit, and schedule regular maintenance.
Read More →
ndoor Air Tips for Cumberland County
ndoor Air Tips for Cumberland County
Keep your home comfortable and healthy this winter by balancing indoor humidity and preparing for dry air issues. Follow these simple tips for a cozy, worry-free season in Cumberland County!
Read More →
The 2025 Grammy Nominations Are In
The 2025 Grammy Nominations Are In
With a little preparation, you can enjoy a comfortable, hassle-free Grammy night in your home. Whether you're watching the 2025 Grammy Awards alone or hosting a party with friends and family, making sure your heating, cooling, plumbing, and power systems are ready will help ensure everything goes off without a hitch.
Read More →
Prepping Your Crossville Home for a Comfortable Election Night
Prepping Your Crossville Home for a Comfortable Election Night
Whether you’re gathering with family or enjoying a quiet night, election night in Crossville calls for comfort and reliability at home. Here’s a quick guide to getting your heating, cooling, plumbing, and power systems ready for a smooth, worry-free evening.
Read More →
National Cat Day: Home Upgrades for Your Cat’s Comfort
National Cat Day: Home Upgrades for Your Cat’s Comfort
Celebrate National Cat Day by creating a cozy, eco-friendly home for your feline friends with upgrades like energy-efficient HVAC systems, clean water solutions, and low-noise generators. Discover how to maintain a sustainable and pet-friendly environment!
Read More →
Prepare Your Home for Winter with These Daylight Saving Time Tips
Prepare Your Home for Winter with These Daylight Saving Time Tips
As Daylight Saving Time ends, take the opportunity to prepare your home for winter with essential maintenance tips. From heating and plumbing checks to safety inspections, these simple steps can keep your home cozy, safe, and energy-efficient all season long.
Read More →
Halloween Fun in Cumberland County, TN
Halloween Fun in Cumberland County, TN
Halloween in Cumberland County, TN, offers something for everyone, whether you're looking for a family-friendly outing or a night of haunted thrills. Make the most of the season by exploring local events and activities that showcase the best of what the community has to offer. Happy Halloween!‍
Read More →
Common HVAC Myths Debunked
Common HVAC Myths Debunked
By understanding the facts and maintaining your system properly, you can create a comfortable environment for you and your family, no matter the season.
Read More →
HVAC Technician worker outside working on a ac unit

Need HVAC Service? 
Contact Us Today!

Stay comfortable year-round! Don't wait for a breakdown. Click here to schedule your HVAC repair or installation today!