Mold, pet dander, viruses, bacteria, dust mites, and pollen are all common indoor air pollutants. Many of these are also common asthma and allergy triggers. Adequate ventilation and filtration of incoming air are essential in mitigating exposure.
For condensation to occur, all you need is moist air and a cold surface. In our homes where temperatures are controlled these conditions can occur in wall, floor and roofing systems depending on the season.
To educate anyone involved in the building design or construction industry about the importance of indoor air quality and ways to improve it using balanced ventilation systems, Zehnder America is offering an online continuing education course through AEC Daily.
Homeowners should be very careful before choosing a heating and cooling contractor for their home. There are huge differences in quality and professionalism throughout the industry. The "best" contractors will typically be members of one or more professional contractor associations.
You may be surprised to learn that many U.S. homes are not as healthy for learning and growing as you might have thought. In fact, the EPA has ranked indoor air quality among the top five environmental dangers.
Steeplechase Builders recently retrofitted an expanded cape home in southern New Hampshire for a couple with a Zehnder Energy Recovery Ventilation (ERV) system. The house had been air sealed to reduce leakage and save energy within the last couple years, but lack of adequate ventilation caused indoor air quality and mold growth.
Chances are very good that your neighborhood HVAC professional receives dozens of calls each Fall from frantic homeowners dealing with a furnace breakdowns or other cold-weather emergency. And in most cases, these emergencies could have been easily avoided with a simple inspection and tune-up at the start of the cold season.