A faulty evaporator coil is a common cause of AC failure. But how much does an evaporator coil replacement cost? We explore the factors here.
Evaporator Coil vs. Condenser Coil: How to Tell the Difference
Compare and contrast the coils in your HVAC system
Get quotes from heating and air conditioning pros near you
No obligation · 100% free
Get quotes from heating and air conditioning pros near you
No obligation · 100% free
Need a Second Opinion? Connect With a Pro
Both evaporator coils and condenser coils move heat, but the evaporator coil absorbs heat indoors while the condenser coil releases heat outdoors.
Replacing an evaporator coil costs $550 to $1,100, while condenser coil replacement ranges from $900 to $2,800 for professional service.
Your choice between coil repairs depends on location and maintenance needs, as indoor evaporator coils need regular cleaning and outdoor condenser coils require more frequent attention.
Hiring a local air conditioning repair professional keeps your HVAC system running smoothly with proper coil cleaning, refrigerant handling, and efficient repairs.
Get quotes from up to 5 pros!
Enter a zip below and get matched to top-rated pros near you.
Condenser coils and evaporator coils are two essential components of HVAC systems that serve distinct yet complementary functions. Understanding the difference between an evaporator coil vs. condenser coil is key for optimizing your system’s performance and troubleshooting issues with the help of a local HVAC repair technician. Let’s explore the differences that define these two crucial parts of your HVAC system.
What Are the Differences Between Evaporator Coils and Condenser Coils?
mariusltu / Adobe Stock
| Type of Difference | Evaporator Coils | Condenser Coils |
|---|---|---|
| Design | Compact coil | Coil with metal fins |
| Location | Indoors | Outdoors |
| Function | Absorb heat indoors | Send heat outside |
| Size | Smaller | Larger |
| Maintenance Needs | Regular cleaning | Frequent cleaning |
| Cost | $550–$1,100 | $900–$2,800 |
Evaporator Coil vs. Condenser Coil: Differences in Functionality
So, what is an evaporator coil and how does it differ from a condenser coil? An AC evaporator coil is designed to absorb heat and humidity from the surrounding environment. In contrast, the condenser coil works to release the heat absorbed from indoor air to the outdoor environment, completing the cooling cycle.
Design Differences
To absorb the heat from indoor air, the evaporator coil allows refrigerant to evaporate into a low-pressure gas state as it absorbs heat from passing air. This absorption of heat results in cooler air being circulated throughout the living space. Additionally, the evaporator coil plays a crucial role in dehumidification, condensing moisture from the air onto its surface as the refrigerant evaporates, contributing to a cool and comfortable indoor environment.
The condenser coil receives hot, high-pressure refrigerant gas from the compressor. As the refrigerant flows through the condenser coil, it undergoes a phase change, condensing into a liquid state and releasing heat into the surrounding outdoor air. This process allows the refrigerant to transition from a high-pressure gas to a liquid, preparing it for recirculation back into the evaporator coil to continue the cooling cycle.
Location Differences
The evaporator coil is typically situated indoors, housed with the air handler or furnace of the HVAC system. Its indoor placement allows it to be positioned near the blower fan, which draws warm air from inside of the building through the return ducts. This helps enable efficient circulation of indoor air over the coil for heat absorption.
In contrast, the condenser coil is located outdoors, placed within the outdoor unit of split types of air conditioner systems. Exposed to the outdoors, it can easily release heat into the surrounding air, which is essential to the cooling process. Having the condenser coil outdoors also helps prevent the buildup of hot air within the indoor living space.
Maintenance Differences
Chad Robertson / Adobe Stock
It’s crucial to keep both your evaporator coil and your condenser coil clean to maintain the efficiency of your HVAC system and prevent breakdowns and malfunctions. You can learn how to clean your AC coils yourself or invest in the cost of a professional AC coil cleaning to ensure your coils stay clean and free of debris.
Evaporator coils require regular cleaning to prevent problems from blocked airflow and reduced cooling efficiency. For example, a dirty evaporator coil is a possible cause for a heat pump freezing up, so it’s important to ensure it stays clean. On the other hand, maintenance of outdoor condenser coils should happen more frequently, as they’re exposed to outdoor elements and more prone to accumulating dirt and debris.
Cost Differences
Condenser coils are typically more expensive than evaporator coils. Replacing an evaporator coil costs anywhere from $550 to $1,100, while condenser coils usually cost between $900 and $2,800 to replace.
Frequently Asked Questions
Heating and air conditioning services reviews from real Angi homeowners in Columbus, OH
4.5★ avg. • 115 total reviews
- Dawn G.
This service was great. My air conditioner went out during the heat spell that we had. My husband has health issues and they came out that night and at 9:30pm the air conditioner was fixed and running. We are sooo very thankful, this is the company I will be using from now on and would...
Mr. Mechanical Ohio - Justin Y.
I normally do not leave reviews, but my experience with Worthington Air was extremely frustrating and disappointing. About 30 days ago, I had a consultation done for an HVAC replacement and was quoted approximately $15,079. Based on that quote, I applied for financing through their company...
ARS Columbus Worthington Air - Peggy B.
I recently moved to another state and chose United Trust Van Lines after comparing several companies. Their team was punctual, professional, and extremely careful with my belongings. I was especially impressed with how they handled my home office setup and fragile items. Everything arrived on...
United Trust Van Lines, LLC - Jeanann S.
Very professional, knowledgeable and helpful! Completed the install on time and as expected.
Ward's Services - Adam E.
Cole has been handling plumbing and general contracting for our four properties over the past three years, and he’s always done a great job. Most recently, he installed a sink and countertop in our retail store where none existed before, and it turned out exactly how we needed. He’s...
ANB Renovations LLC - Tom T.
We have bought and sold numerous times over the past 50 years. Sherman Hall and Top Line are top notch. Thorough and detailed, he explains every possibility, probability, and eventuality. High class and pleasant. The best.
Top Line Home Inspections, LLC - Aaron G.
Very easy to talk to, helped me enormously and will be back for more projects I have. Quick and knowledgeable, very professional and a high quality personality!
Elwood's Mobile Welding - Stacy S.
Couldn't ask for a better company. Josh and Dee were Very professional, efficient, courteous and takes major pride in their work. They will travel to come to your home and will still give you a fair price. They are honest and trust worthy. Their focus is on their work and their work is...
Supreme brick & chimney - Scott S.
It was a difficult job and Robert and his son worked diligently to get it done.
- Carl D.
I had a tight deadline for a commercial painting project, and Custom Paint Jobs LLC delivered on time and within budget. Their efficiency and quality are top-notch.
Custom Paint Jobs, LLC
The homeowners guide to heating and air conditioning services
From average costs to expert advice, get all the answers you need to get your job done.
If you have a dirty evaporator coil, your AC unit won’t function properly. Our guide will show you what happens when an evaporator coil gets dirty.
Dirty, dusty refrigerator coils can make your fridge work harder to keep food cool, wasting energy. Here’s how 15 minutes of cleaning can improve efficiency.
Air conditioning relies on the evaporator coil, which is in charge of taking heat from the air. Here’s how it works in the system.
An icy coil can create costly AC repairs. Learn what to do if the evaporator coil freezes to ensure your HVAC system operates efficiently.
Leaking AC coils can compromise your entire home cooling system. Look for these six signs of a leaking evaporator coil, and schedule a repair ASAP.