The Interdependency of Envelope and Ventilation in Healthy Buildings

How does building efficiency affect indoor air quality? Does conserving energy necessarily mean a lack of ventilation? As buildings become more energy efficient, this is a question that many must consider. You can learn more about this issue, and solutions for the current building market, in this white paper from Emu Systems. Here is an example of the information included, from the executive summary prepared by Emu Systems: Code compartmentalization results in disjointed goals Current North American codes address buildings and services

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Zehnder America Announces the New ComfoAir 70 Energy Recovery Ventilation Unit

Summary: The new Zehnder America ComfoAir 70 Energy Recovery Ventilator is now available in North America and offers a balanced ventilation solution for new and existing apartments and homes. Hampton, NH Zehnder America announced the North American release of the ComfoAir 70 Energy Recovery Ventilator (ERV) specifically designed for retrofitting apartments and houses. Homes are being more tightly built than ever before to prevent air leakage and promote energy efficiency. High humidity levels can encourage mold growth, and indoor pollutant levels

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Zehnder America Introduces New US Made HRV/ERV Air Distribution Components

Zehnder America starts local sourcing initiative using American manufacturing for its new ComfoFlex ducting and register boxes. As the demand for Zehnder Heat Recovery Ventilator (HRV) and Energy Recovery Ventilator (ERV) Comfosystems has increased significantly in the US market over the past few years, Zehnder will continue to look to locally source additional components in the coming years.    


Zehnder Certifies ComfoAir 200 HRV with Home Ventilating Institute (HVI)

Zehnder is proud to have its ComfoAir 200 HRV  certified by the Home Ventilating Institute (HVI).  See p. 111 of the Certified Products Directory. With Apparent Sensible Effectiveness between 92%-94% and Sensible Recovery Efficiency over 85%, the ComfoAir 200 HRV joins the Zehnder ComfoAir 350 HRV, ComfoAir 550 HRV and Novus 300 HRV as the only HVI certified units currently listed with both above 85% Apparent Sensible Effective and 90% Sensible Recovery Efficiency measurements. Zehnder will continue to test and list

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Zehnder Provides HRVs for 2014 Home Builders Blitz

During the week of Jun 9, 2014, local builders, plumbers, electricians, landscapers and volunteers will  join together for a common goal:  building two houses for two  families in six days as part of the Merrimack Valley Habitat for Humanity 2014 Home Builders Blitz.  Zehnder will provide and install the Heat Recovery Ventilation (HRV) units for the two homes.  We’re excited to participate in this exciting event of building two houses in in one week.  Incorporating Zehnder heat recovery ventilation, will

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zehnder solar decthlon

Zehnder Provides HRV for 2014 International Solar Decathlon Team

Zehnder will provide the heat recovery ventilation system for the Appalachian State University/Universite d’Angers’ Solar Decathlon Team in the Solar Decathlon Europe 2014 competition. 20 student teams from 16 countries will participate in the competition geared at designing and building an energy-independent solar house.  The competition will be held in Versailles, France from June to July 2014. To learn more about the team, visit the Reciprocity House Website.  


Zehnder Replacement Filters, Shopping Cart is Now Online

We’ve launched an online filter shopping cart at to make it convenient to replace filters. On the site you can learn about the different types of filters and MERV ratings. In an energy-efficient building, it is important to have a ventilation strategy to promote a continuous supply of fresh filtered air in the building. Clean filters ensure high efficiency for the HRV or ERV and optimal indoor air quality for the building.


Zehnder ERV to Be Measured in Proud Green Home in Serenbe

The Proud Green Home at Serenbe will be open to the public on August 16 & 17 and the official ribbon cutting of the home will be on August 17 at 11:00 AM. The home is tracking to be a Net-Zero House and incorporates the latest innovative building techniques and technologies in sustainable design. Zehnder provides the ventilation system for Proud Green Home at Serenbe. Without proper ventilation, energy-efficient construction risks mold, mildew and indoor air quality issues. Zehnder’s ComfoAir

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AIA CES Credit for Zehnder’s Online Course “Heat Recovery Ventilation: Why Efficiency Matters”

We’re pleased to announce that Zehnder now offers its American Institute of Architects Continuing Education System (AIA CES) Learning Course “Heat Recovery Ventilation: Why Efficiency Matters” through AEC Daily online.  In the course you’ll learn about the role of an HRV/ERV in an energy-efficient building and how to choose an HRV/ERV for your project. View the AIA CES Credit Course Here We’ll also be at the upcoming AIA National Conference in Denver, CO from June 20-22.  Please stop by our booth

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