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What are the Benefits of Installing an ERV with Your AC?


Are you tired of breathing in stale, polluted air in your homes? Want to save money on your energy bills while keeping your home comfortable with efficient furnace systems? Look no further than energy recovery ventilators (ERVs). These incredible ventilation systems can revolutionize the way you experience indoor living by improving air quality and reducing energy consumption. With ERVs, you can say goodbye to stagnant air and hello to fresh, clean air circulated through ductwork and rooftop units.

By removing harmful pollutants and introducing fresh air, ERVs improve indoor air quality for homes with rooftop units, ensuring you and your loved ones breathe clean and healthy air. But that’s not all! When combined with your AC system and furnace, an ERV helps reduce energy costs and increases overall efficiency. Say goodbye to sky-high utility bills!

Not only do ERVs keep the air in your indoor space fresh and pollutant-free, but they also maintain optimal humidity levels for a comfortable living environment. No more excessive dryness or muggy conditions! With an energy recovery ventilator by your side, you can enjoy the perfect balance for your HVAC system.

So why wait? Upgrade your AC system with an energy recovery ventilator and rooftop units today and experience the multitude of benefits it brings – from cleaner air to cost savings. It’s time to take control of your indoor environment like never before with a more efficient furnace in your building!

Remember:Nothing beats the power of an energy recovery ventilator.

How ERV Systems Work

Energy recovery ventilator (ERV) systems are a valuable addition to your AC system, providing numerous benefits for building occupants and enhancing indoor air quality and energy efficiency. Understanding how ERV systems work can help you make an informed decision about installing one in your home. ERV systems work by exchanging stale indoor air with fresh outside air while simultaneously transferring heat and moisture, resulting in improved ventilation and reduced energy consumption. By using ERV systems, you can ensure a continuous supply of fresh air and maintain a comfortable living space while maximizing energy savings.

ERV Systems Use a Heat Exchanger

At the core of an ERV system is a heat exchanger, which plays a crucial role in transferring heat and moisture between incoming and outgoing air streams. This process allows for the efficient exchange of thermal energy while maintaining optimal humidity levels indoors and regulating the flow of outside air. The heat exchanger operates at a high CFM and can improve indoor air quality by removing a significant percent of contaminants.

The heat exchanger captures thermal energy from the outside air as it leaves your home, ensuring that a comfortable temperature is maintained for the incoming fresh air. This helps reduce the workload on your AC system by minimizing the need for excessive cooling or heating. Additionally, ERVs improve indoor air quality by exchanging a significant percent of stale indoor air with fresh outside air, while maintaining energy efficiency with a high CFM rating.

Preventing Energy Loss with Proper Ventilation

One of the primary benefits of installing an ERV system is its ability to provide proper ventilation without significant energy loss. ERVs achieve this by exchanging stale indoor air with fresh outside air while simultaneously recovering energy from the outgoing air stream. The ERV system ensures that the indoor air is refreshed with clean outside air, while also maximizing energy efficiency through the recovery of energy from the outgoing air stream.

When outdoor temperatures are extreme, whether hot or cold, opening windows for ventilation can lead to substantial energy loss as conditioned air escapes and unconditioned air from outside enters the indoor space. However, with an ERV system in place, you can enjoy fresh air circulation without compromising on energy efficiency. The ERV system helps maintain a comfortable and healthy indoor space by exchanging stale air for fresh air while recovering heat or coolness, ensuring a balanced and efficient airflow of cfm.

Enhancing Indoor Air Quality

Indoor spaces often harbor pollutants such as volatile organic compounds (VOCs), allergens, and odors that can negatively impact our health and comfort. HVAC systems with Energy Recovery Ventilators (ERVs) play a vital role in improving indoor air quality by continuously bringing in fresh outdoor air and expelling stale indoor air. ERVs help remove VOCs, allergens, and odors from the indoor environment.

Moreover, these ERV systems incorporate filters that help remove particulate matter from incoming airflow, further enhancing the purity of the supplied fresh air in an indoor space. With improved ventilation and filtration, ERVs contribute to a healthier living environment for you and your family by increasing the cfm (cubic feet per minute) of fresh air.

Improving Indoor Air Quality (IAQ)

Installing an Energy Recovery Ventilator (ERV) with your air conditioner (AC) system can have numerous benefits. Let’s take a closer look at some of the key advantages of incorporating an air exchanger with your AC system, such as improved air quality and the ability to efficiently filter and circulate air.

Filtering Out Allergens and Contaminants

One of the primary ways ERVs enhance IAQ is by effectively filtering out allergens, dust particles, and other contaminants present in the air. These systems are equipped with advanced air filters that capture and remove these harmful substances, ensuring cleaner and fresher indoor air. By reducing the number of airborne irritants, individuals with allergies or asthma can experience relief from their symptoms. The advanced air filters have a high CFM rating, ensuring efficient filtration.

Eliminating Volatile Organic Compounds (VOCs)

Volatile Organic Compounds (VOCs) are chemicals commonly found in household products such as cleaning agents, paints, and furniture. When present in high concentrations, VOCs can pose health risks to occupants of a home or building. An Energy Recovery Ventilator (ERV) helps combat this issue by actively removing VOCs from the indoor space. By continuously exchanging stale indoor air with fresh outdoor air, an ERV ensures that harmful VOC levels remain low, promoting a healthier living environment for those using the HVAC system.

Reducing Respiratory Issues

Breathing in poor-quality air with low cfm (cubic feet per minute) can lead to respiratory problems like coughing, wheezing, bronchitis, and asthma attacks. By incorporating an ERV into your HVAC system, you significantly reduce the risk of encountering these issues. The ERV ensures a continuous exchange of indoor and outdoor air, maintaining optimal humidity levels and preventing the buildup of mold or mildew that can trigger respiratory ailments.

In addition to these significant benefits, there are several other advantages associated with installing an air exchanger or energy recovery ventilator in your HVAC system. These devices help improve indoor air quality by efficiently exchanging stale air with fresh air, while also reducing energy costs and extending the lifespan of your air filters. They can also enhance the effectiveness of your air conditioning system by ensuring proper ventilation and airflow throughout your home or office.

  • Improved overall comfort: An ERV helps regulate temperature and humidity levels within your home by efficiently exchanging heat and moisture between the incoming and outgoing air. This ensures a more comfortable living environment throughout the year, with optimal cfm.

  • Energy efficiency: By recovering energy from the outgoing air, an ERV reduces the workload on your air conditioning system, resulting in lower energy consumption and potentially reduced utility bills. The use of an ERV can improve the overall CFM of your HVAC system.

  • Odor control: ERVs, or Energy Recovery Ventilators, play a crucial role in eliminating unpleasant odors from indoor spaces. Whether it’s cooking smells or pet odors, these systems help maintain a fresh-smelling home by continuously introducing new air while expelling stale air. With their high CFM (cubic feet per minute) capabilities, ERVs efficiently circulate air to ensure a clean and odor-free environment.

Enhancing Energy Efficiency

Energy efficiency is a crucial consideration when it comes to your AC system. Installing an Energy Recovery Ventilator (ERV) can significantly enhance the energy efficiency by improving the filtration of air contaminants and increasing the cfm of outside air. Here are some key benefits of incorporating an ERV into your home.

  1. Recovering Energy: Energy recovery ventilators are designed to recover up to 80% of the heating or cooling energy from exhausted indoor air. This means that instead of letting conditioned air go to waste, an ERV can capture and reuse that energy, reducing the strain on your AC system.

  2. Lowering Utility Bills: By reusing conditioned energy that would otherwise be wasted, ERVs help lower utility bills. When your AC system doesn’t have to work as hard to maintain a comfortable temperature, it consumes less electricity, resulting in reduced energy costs over time.

  3. Reducing Environmental Impact: Improved energy efficiency not only benefits homeowners financially but also has a positive impact on the environment. HVAC systems are known contributors to greenhouse gas emissions. However, by integrating an ERV into your AC system, you can reduce these emissions and contribute towards a greener future.

  4. Optimizing Heating and Cooling: An ERV works hand in hand with your existing heat pump or furnace by exchanging heat between incoming fresh air and outgoing stale air. During the summer months, the coolness from the outgoing air is transferred to the incoming fresh air, providing pre-cooled ventilation without putting additional strain on your AC unit. In winter, warm exhaust air helps heat up incoming fresh air before it enters your home.

  5. Improving Indoor Air Quality: While enhancing energy efficiency is one of the primary functions of an ERV, it also plays a vital role in improving indoor air quality. The ventilation provided by an ERV helps remove pollutants such as dust particles, allergens, and odors from your home while supplying fresh, filtered air. This can lead to a healthier and more comfortable living environment.

  6. Long-Term Investment: Although the initial installation costs of an ERV may seem like an investment, the long-term benefits outweigh the upfront expenses. The energy savings achieved through enhanced efficiency can quickly offset the installation costs, making it a wise investment for homeowners looking to reduce their utility bills in the long run.

Controlling Humidity Levels

Excessive humidity can create an uncomfortable environment in your home, leading to issues like mold growth, musty odors, and even respiratory problems. This is where an Energy Recovery Ventilator (ERV) comes into play. An ERV helps control humidity levels by transferring moisture between incoming and outgoing airflow.

During hot and humid weather conditions, an ERV removes excess moisture from the incoming fresh air before it enters your home. This ensures that the air circulating inside remains comfortable and free from excessive humidity. By regulating the moisture content, an ERV helps prevent the growth of mold and mildew, which thrive in humid environments.

In colder months when humidity levels tend to be low, an ERV retains some of the moisture from outgoing exhaust air. This prevents dryness in your home by adding a bit of moisture back into the indoor air. Dry air can lead to discomfort, dry skin, and respiratory issues such as irritated sinuses or throat.

Humid climates especially benefit from installing an ERV with their AC system. These regions typically experience high levels of humidity throughout the year and struggle to maintain a comfortable indoor environment without proper ventilation systems. An ERV helps alleviate this issue by effectively controlling the humidity levels inside your home using outside air.

Apart from controlling humidity, an ERV also plays a crucial role in maintaining optimal temperature conditions indoors. It achieves this by transferring both heat and coolness between incoming and outgoing airflow streams.

By exchanging heat energy during different seasons, an ERV helps reduce energy consumption associated with heating or cooling your home. During winter months, when you need to keep your home warm, the system transfers heat energy from outgoing stale air to incoming fresh air. In summer months when you rely on AC to keep cool, it transfers coolness from conditioned indoor air to fresh outdoor air entering your living spaces.

Not only does this save energy but it also reduces strain on your HVAC system, leading to potential cost savings. With an ERV, you can enjoy a more energy-efficient and comfortable home environment throughout the year.

Comparing ERV vs HRV Systems

It’s essential to consider the specific needs of your climate. While both Energy Recovery Ventilators (ERVs) and Heat Recovery Ventilators (HRVs) serve the purpose of maintaining indoor air quality, they differ in their ability to transfer heat and moisture. Let’s dive into the benefits of installing an ERV system with your AC and explore why it may be a better choice in certain climates.

ERVs: Heat and Moisture Transfer

Unlike HRVs that only transfer heat between incoming and outgoing air, ERVs excel at transferring both heat and moisture. This unique feature makes them particularly advantageous in areas with high humidity levels. By capturing excess moisture from incoming air during hot summer months, an ERV helps maintain a comfortable indoor environment while reducing the load on your AC system.

In humid climates, where excessive moisture can lead to mold growth or discomfort, an ERV is a game-changer. It ensures that fresh outdoor air entering your home is properly conditioned by removing excess humidity from it before mixing with indoor air.

HRVs: Ideal for Colder Regions

On the other hand, HRV systems are best suited for colder regions with drier air. In these climates, retaining heat becomes crucial as cold outside temperatures can significantly affect indoor comfort levels. HRVs effectively recover heat from outgoing stale air and transfer it to incoming fresh air, reducing energy loss and ensuring a warm atmosphere inside.

If you live in a region where winters are harsh but humidity levels remain relatively low throughout the year, an HRV might be more suitable for your needs. It provides efficient heat recovery without introducing additional moisture into your home.

The Ideal Choice for Temperature Extremes and Humidity Fluctuations

For those residing in areas characterized by temperature extremes as well as humidity fluctuations, such as coastal regions or places with hot summers and cold winters, an ERV is the ideal choice. It combines the advantages of both systems by simultaneously transferring heat and moisture.

In such climates, an ERV offers comprehensive ventilation that optimizes indoor air quality throughout the year. During summer, it reduces humidity levels and helps maintain a comfortable living space. In winter, it retains heat while still providing fresh air exchange, ensuring a healthy environment without sacrificing energy efficiency.

To summarize:

  • ERVs offer both heat and moisture transfer.

  • HRVs focus on heat recovery only.

  • ERVs are more suitable for humid climates.

  • HRVs are better in colder regions with drier air.

  • If you live in an area with both temperature extremes and humidity fluctuations, an ERV is the ideal choice.

By understanding these differences between ERV and HRV systems, you can make an informed decision when selecting the ventilation system that best suits your climate and home requirements.

Expert Installation for Optimal Performance

Proper installation by a qualified professional ensures optimal performance of your ERV system.It is crucial to rely on the expertise of a professional installer. Here are some key reasons why expert installation is essential for maximizing the benefits of your ERV system.

Assessing Your Home’s Specific Needs

An expert installer will thoroughly assess your home’s specific needs before recommending the right size and type of ERV. Every home is unique, and factors such as square footage, number of occupants, and climate conditions play a significant role in determining the ideal ERV system for your house. By evaluating these aspects, an experienced installer can provide you with tailored recommendations that ensure optimum performance and efficiency.

Guaranteeing Efficient Operation

Professional installation guarantees that the ERV system operates efficiently and effectively. Improper installation can lead to various issues such as air leaks, inadequate ventilation, or inefficient heat transfer. These problems can significantly impact the performance of your ERV, reducing its ability to recover energy effectively and maintain indoor air quality. With expert installation, you can rest assured that all components are properly connected and sealed, ensuring seamless operation.

Maximizing Benefits

By entrusting the installation to a qualified professional, you maximize the benefits derived from your ERV system. An expert understands the intricacies involved in integrating an ERV with your existing HVAC setup. They will ensure proper synchronization between both systems so that they work harmoniously together without any conflicts or disruptions.

Moreover, professional installers have extensive knowledge about different types of ERV systems available in the market. They can guide you in selecting the most suitable model based on your requirements while considering factors like noise levels, maintenance needs, and energy efficiency ratings.

In addition to these talking points:

  • Expert installers work closely with reputable suppliers who provide high-quality ERV systems.

  • Professional installation reduces the risk of damage to your AC system during the integration process.

  • An expert installer can guide you on the best location for placing your ERV system, maximizing its efficiency.

  • They can also advise you on additional features like variable speed fans or humidity control options that enhance the performance of your ERV.


Installing an Energy Recovery Ventilator (ERV) with your AC system is definitely worthwhile. Not only does it improve indoor air quality (IAQ), but it also enhances energy efficiency and controls humidity levels. By comparing ERV systems to HRV systems, you can make an informed decision that suits your needs. Expert installation ensures optimal performance, so you can enjoy the full benefits of an ERV.

In summary, here are the key points to remember:

  1. Improved Indoor Air Quality: An ERV helps remove pollutants and allergens from your home, providing cleaner and healthier air for you and your family.

  2. Enhanced Energy Efficiency: With an ERV, you can reduce energy consumption by recovering heat or coolness from outgoing air and transferring it to incoming fresh air.

  3. Controlled Humidity Levels: An ERV helps maintain balanced humidity levels in your home, preventing issues like mold growth and discomfort caused by excessive dryness or moisture.

  4. Comparison with HRV Systems: Understanding the differences between ERVs and HRVs will help you choose the ventilation system that best fits your requirements.

  5. Expert Installation: Professional installation ensures that your ERV operates efficiently and effectively, maximizing its benefits.

Now that you understand the benefits of installing an ERV with your AC system, take action today! Consult a reputable HVAC professional who specializes in ERVs to discuss how this addition can improve your home’s comfort and well-being.


Will installing an ERV increase my energy bills?

No, installing an ERV actually enhances energy efficiency by recovering heat or coolness from outgoing air before it is expelled.

Can I install an ERV myself?

It is highly recommended to have an HVAC professional install the ERV for optimal performance and safety.

How often should I clean or replace the filters in my ERV?

The frequency of filter cleaning or replacement depends on usage and manufacturer recommendations. Generally, it is recommended to clean or replace filters every three to six months.

Can an ERV reduce outdoor noise pollution?

While an ERV primarily focuses on improving indoor air quality, it can help reduce the infiltration of outdoor noise to some extent.

Will an ERV eliminate the need for opening windows in my home?

An ERV provides fresh air exchange, but opening windows occasionally is still beneficial for additional ventilation and a change of air.

Does an ERV require regular maintenance?

Yes, regular maintenance such as cleaning filters and inspecting the system is necessary to ensure optimal performance and longevity of your ERV.

Can an ERV help with reducing odors in my home?

Yes, an ERV helps remove stale odors by ventilating your home with fresh outdoor air while also filtering out pollutants that may contribute to unpleasant smells.

Are there any rebates or incentives available for installing an ERV?

Depending on your location and energy provider, there may be rebates or incentives available for installing energy-efficient systems like ERVs. Check with your local utility company or government agencies for potential savings opportunities.

How long does it take to install an ERV?

The installation time can vary depending on various factors such as the complexity of the system and the layout of your home. It typically takes a few hours to complete the installation process.

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