What Is an Energy Recovery Ventilator?

Air-tight properties can be great for energy efficiency, but not so great for good ventilation. However, there is a whole-home device that can be added to your existing HVAC system that helps with both energy efficiency and ventilation: an energy recovery ventilator, also known as an ERV. Your indoor air quality in Jacksonville is important for both comfort and health, and with an ERV, you can accomplish both healthy air and energy efficiency. J&W Heating and Air has been serving customers in the Jacksonville area since 1966, and we can help you with all of your indoor air quality needs.

How Does an ERV Work?

An ERV capitalizes on the second law of thermodynamics, which states that energy will spontaneously move from areas of high energy to areas of lower energy. The core of the ERV, known as the heat exchanger, transfers heat and moisture between incoming and outgoing streams. During winter, your warm, used indoor air is expelled. As it exits, it pre-heats the incoming cold air and also adds moisture to it. During the summer, your used conditioned air is expelled, and it pre-cools and dehumidifies the incoming warm air.

What Are the Benefits of an ERV?

There are several key benefits to installing an ERV:

  • Continuous clean, fresh air – an ERV brings in a constant, steady stream of air from the outside, which improves your ventilation and indoor air quality.
  • Better energy efficiency – pre-treating the air, whether during summer or winter, helps reduce the amount of work your HVAC system has to do. This can reduce the amount of energy it uses to operate.
  • Balanced humidity levels – an ERV manages moisture by either adding it or dehumidifying it according to the season, which helps maintain very balanced humidity levels in your home.
  • Less wear and tear on your system – an ERV reduces how much your AC has to work, which can reduce the rate of wear and tear.

An ERV can help your HVAC system be more efficient while also helping with indoor comfort and air quality. If you are interested in seeing what an ERV can do for your AC and indoor air quality in Jacksonville, call J&W Heating and Air today and schedule an appointment with one of our experts.

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Stacy Russell
Stacy Russell
15:10 02 Jun 20
I will be recommending J&W to my friends and family. They were very professional and on time. Did a very well job in... a quality manner. Dustin, Mark, and Robert. Worked very well together and was in and out with no cleanup for me to do. Thanks so much for getting my home back to a cool environment.read more
Phillip Wallace
Phillip Wallace
13:46 27 May 20
Just had an entirely new, full HVAC install done at our old house in Riverside, which was a fairly big job. Brian and... Will did the installation, and were awesome. There was going to be issues leveling the air handler in the attic, so they moved it to a new spot and hung it instead, getting new parts/changing the plan on the fly. We're much happier with this new setup and location of the air handler. I really appreciated this, their professionalism/thoroughness, and flexibility. Brian and Will worked super-hard, and double-checked everything once the job was done. Would use this company again.read more
Louis Kincheloe
Louis Kincheloe
21:18 01 May 20
Two installers here early this morning. Worked all day. Very professional, extremely well mannered and quick to answer... all my questions. They are Dustin and Robert. Both men went above just installing my new unit, they were personable and knowledgeable in what they were doing. I was surprised when I found out these two hadn't been working that long together. They worked extremely well together. I highly recommend this two men.read more
Shirley Davis-So Brooks
Shirley Davis-So Brooks
18:10 01 Jun 18
Very pleased with installation of York A/C Heating unit. Jason Bottoms and Jason Flatearth were professional, ... arrived on time and completed the job in a timely manner. The unit looks great. They upgraded and repaired everything that needed it. Great Job.read more
James Ponciano
James Ponciano
22:46 03 May 18
A snake crawled into my outdoor condenser and stopped my 16 year old Trane last week on Thursday. The power surge took... out my blower unit circuit board and the motor. I called J&W and Rob was over within two hours of my call. I was spec'd a new York 17 seer system and it was up and running on Monday. Technicians Jason and Brian arrived promptly and every facet of the installation was thorough. When completed, I would not of even known they were there except they left my garage cleaner! Thanks J&W!read more
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