news.volyx.in

OpenERV (openerv.ca)

849 points by graboy · 598 days ago · 262 comments on HN

Article summary

The OpenERV is a decentralized Energy Recovery Ventilator that transfers clean outdoor air inside and moves polluted air outdoors, while harvesting around 85-90% of the heat energy. The device is designed to provide fresh air without the downsides of heating or cooling it. It has a high air flow rate, is extremely quiet, and has a long lifespan of over 50 years. The device can be controlled over WiFi and has optional features such as a HEPA filter and heavy duty attenuator.

Main themes

  • Energy Recovery Ventilation
  • Indoor Air Quality
  • Sustainable Building
  • Air Filtration
  • Home Automation

What commenters say

  • The effectiveness of the OpenERV depends on the quality of outdoor air, which can vary greatly depending on location.
  • Some people argue that outdoor air is not always clean and that filtration is necessary, while others claim that in certain areas, outdoor air is clean enough to not require filtration.
  • The primary purpose of ventilation is debated, with some arguing it is to control humidity and others claiming it is to remove CO2 and other pollutants.
  • The OpenERV's ability to recover heat energy and provide fresh air without wasting energy is seen as a major advantage by some, while others are skeptical about its effectiveness in certain climates or situations.
  • There is disagreement about the importance of humidity control in ventilation, with some arguing that it is crucial to prevent mold and others claiming that it is not a primary concern.
  • The use of HEPA filters and other air purification methods is seen as a valuable addition to the OpenERV by some, while others question their necessity.
  • Some commenters argue that the OpenERV is a valuable solution for people living in areas with poor outdoor air quality, while others see it as a niche product that may not be necessary for everyone.