Zehnder ERV makes life more comfortable in the Proud Green Home of St. Louis
Starting with the architectural design, the Proud Green Home of St. Louis reflects the desire for a high level of indoor air quality, as well as energy efficiency and an inviting refuge for the family.
Indoor air quality is one of the top goals of the new home, because one of the children that will be living there has environmental sensitivities due to asthma and allergies. The family wanted a home that will not cause adverse respiratory issues for their child.
The high performance five-bedroom, 3,700 square-foot Prairie-style home – built in partnership with Hibbs Homes, Verdatek Solutions, Curtiss W. Byrne Architect, and the High Performance Buildings Research Center (part of the Midwest Energy Efficiency Research Consortium at the University of Missouri-Columbia) was constructed to provide the homeowners with better indoor air quality, lower energy costs, and better durability. This “Proud Green Home” will also educate and inspire building professionals and consumers about the benefits of building and living green. It is the second high performance demonstration home created with support from ProudGreenHome.com.
In this video, green building consultant Matt Belcher, with Verdatek Solutions and director of the High Performance Buildings Research Center, reviews the ventilation for the home, feature an Energy Recovery Ventilator from Zehnder America. The home incorporates a Comfoair 550 ERVenergy recovery ventilator (ERV) from Zehnder.
An ERV system works continuously to extract moist, stale air from wet rooms (kitchens, bathrooms and utility rooms) and supply fresh, filtered air to habitable rooms (bedrooms, living rooms and dining rooms). Up to 90 percent of the heat in the extract air is recovered by the heat exchanger in the unit and used to heat the incoming fresh air.
The HRV/ERV recovers most of the comfortable room temperature and uses it to pre-cool the incoming air. Therefore, the incoming air to the home is already close to room temperature when it is distributed to living spaces. The air conditioning needs to be run far less for cooling. By distributing the pre-cooled air evenly through rooms, hot spots in the home are reduced, and it’s a lot more comfortable for inhabitants.
A Heat Recovery Ventilator, or HRV, only exchanges heat in the air. An ERV also exchanges transfers humidity from one airstream to the other. The Zehnder ERV transfers the humidity as water vapor by diffusion from the high to the low partial vapor pressure side. As this process occurs, it also prevents cross contamination of the air streams, so that the exhaust air (gases, odors, etc.) is not recirculated into the fresh air stream. The ERV exchanger pores are just large enough for a small water vapor molecule to fit through but too small for larger air constituents or VOC molecules to fit through.
Energy recovery ventilators help maintain a comfortable and healthy home by reducing the temperature and humidity of the fresh incoming air during the hot, humid summer time. This is an important energy saving method. It’s a healthier and more comfortable alternative to excessively running air conditioning to combat high humidity and temperature infiltrating a home through cracks and openings in the building.
The ERV is designed to run quietly in the background, with a very low sound level so the homeowners won't even know it's there.
Read more about the Proud Green Home of St. Louis.
Companies: Zehnder America
Mini split ductless heat pumps are making waves in the high performance home market.
Strict attention to detail helps the Proud Green Home of Louisville deliver a high level of indoor air quality and efficiency to the high performance home.
Sponsored by: Aeroseal
Lennox among several businesses at EEBA summit looking for progress industry
A new process makes it faster for builders to certify multiple homes built to the same model.
It's easier than ever for a builder to have a home certified under both programs.
Similar to cruise control in a car, the variable-speed water-to-water accelerates and decelerates continuously.
EEBA Summit Features the Latest in Building Science for Better Homes.
There is a lot of science behind toilet flushing, more than the average consumer tends to realize.
With no need for programming, wiring or additional installation, the patented nanotechnology transitions in real-time.
New home shoppers can now use augmented reality to visualize what their potential new home may look like on their land.
Technology offers a cost-effective alternative to site-built framing.
All of the homes will be capable of achieving the carbon-neutral standard promoted by the city of Austin for all new construction homes,
For the past 100 years, the way your fridge preserved your food has been rooted in technology dating back to the mid-1800s, but that is about to change.