Zehnder America | Ventilation, ERV and HRV Systems

Lubberland's Edge: Net-Zero Home Focuses on Indoor Air Quality

Lubberland's Edge: Net-Zero Home Focuses on Indoor Air Quality

When Norbert and Robin were designing their retirement dream home in southeastern New Hampshire, they were inspired by the concept of dynamic energy efficiency. Four energy-efficient systems were used to ensure comfort throughout the year while promoting indoor air quality.

The Benefits of a Zehnder Fresh Air Machine in Your Home

Think for a moment about how the experience of breathing fresh air cleans your mind, calms your mood, and revitalizes your body. Now imagine that feeling every minute in your home, the temperature is comfortable, and that freshness is always there.

3 Cool Products I Saw at the Passive House Conference

3 Cool Products I Saw at the Passive House Conference

Last month I attended the conference of the North American Passive House Network in New York City. Here are the three products that most caught my eye at the NAPHN passive house conference.

Zehnder Announces the New ComfoAir 70 Energy Recovery Ventilation Unit

Zehnder Announces the New ComfoAir 70 Energy Recovery Ventilation Unit

Homes are being more tightly built than ever to prevent air leakage and promote energy efficiency. High humidity levels can encourage mold growth, and indoor pollutant levels are commonly two to five times higher than outdoors, compromising health.

Health issues put spotlight on poor indoor air quality

Although people may feel healthy despite exposure to pollution, Lyme disease or other illnesses can act as a trigger, significantly degrading health.

Deep energy retrofits made affordable with California's PACE Program

Property assessed clean energy (PACE) is a means of finance energy-saving home improvement projects in California through property tax bills, making it affordable to many homeowners. Air sealing a home can, however, cause air quality issues to arise, increasing the importance of mechanical ventilation.

Indoor air quality in the workplace

The quality of the air inside of offices, retail stores, restaurants and other types of workplaces can have an impact on the health and comfort of the workers. Fortunately, there are steps that can be taken to improve indoor air quality in workplaces.

Half of U.S. schools suffer from poor indoor air quality

Half of U.S. schools suffer from poor indoor air quality

Although it is commonly known that poor indoor air quality can cause major health issues such as asthma and lung cancer, it is a less known fact that it can degrade productivity, the ability to concentrate, energy levels, and even mood.

Ventilation and its effects on cognitive skills

Ventilation and its effects on cognitive skills

According to a recent study published by Environmental Health Perspectives, associations between ventilation and cognitive function were found to be quite strong.

120 year old brownstone becomes New York's 1st Passive House project

120 year old brownstone becomes New York's 1st Passive House project

Many historic neighborhoods across the United States are being renovated and revived. When done effectively, both charm and history can be captured, while making the homes more energy efficient.

New Hampshire home contains dynamic energy efficiency features under one roof

New Hampshire home contains dynamic energy efficiency features under one roof

When Norbert and Robin were envisioning a retirement home, they aspired to live in a high-performance home, powered by renewable energy. This would help protect them from unpredictable energy costs in the future.

Super efficient homes vs. code built homes

Super efficient homes vs. code built homes

When building a new home, design and material selection greatly impact the operating costs for decades. Is it financially savvy to construct a super efficient home over a code-built home because of the reduction in operating costs?

Heat exchangers explained

Heat exchangers explained

The core of heat recovery is the heat exchanger. There are various types of heat exchangers available including cross-flow, counter-flow (includes rotary/wheel) and cross-counter-flow.

Winter home ventilation considerations for cold climates

Winter home ventilation considerations for cold climates

With the cold temperatures of winter descending upon most areas of the United States, there is a desire to keep as much heat as possible in the home. Ventilation systems can sometimes make it difficult to retain the heat in the home.

Designing better buildings with LEED, Passive House and Pretty Good Houses

Designing better buildings with LEED, Passive House and Pretty Good Houses

There are many green building guidelines, programs, standards and certifications available in the US and Canada. The best green building approaches cover many elements of the building such as energy efficiency, water efficiency, resource efficiency, responsible site management and improved indoor air quality.

What is the difference between absolute humidity and relative humidity?

What is the difference between absolute humidity and relative humidity?

High and low levels of relative humidity within the home can have adverse effects for the occupants as well as the dwelling itself. Hygiene, health, retention of value, aesthetics and comfort are all areas which can be affected by a failure to maintain an optimal level of relative humidity.

Natural Ventilation vs Mechanical Ventilation

Natural Ventilation vs Mechanical Ventilation

Proper ventilation is a critical consideration for homes and buildings. Poor ventilation can cause a buildup in indoor air pollutants like dust, pollen, mold, and household chemicals. An efficient and reliable ventilation system works to remove polluted air while continuously introducing fresh, clean air.

Ventilation strategy at Proud Green Home of St. Louis is key to increased air quality, comfort, and durability

Ventilation strategy at Proud Green Home of St. Louis is key to increased air quality, comfort, and durability

The Zehnder system provides a constant air flow bringing in fresh air from the outside and exhausting stale air from the inside at a very low velocity so it is hardly noticeable

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