Air Quality in California Homes


Facts about air quality that may surprise you In general, indoor air quality is worse than outdoor air quality Ambient air pollution is related to 130,000 deaths per year in the United States The 7 most polluted cities in the country (based on year-round particle pollution) are all in California! (source) So, we know there’s a problem. But […]

Air Sealing and Indoor Air Quality

  We’ve said it before and we’ll say it again: Air Sealing a home’s points of leakage is the first step in making a home efficient. But, you might ask, what about making the home comfortable and healthy? It turns out that air sealing is essential for air quality as well. Here’s why. Indoor Air Quality When […]

ZNE Home With Guaranteed $0 Energy Bills — Built and Sold by EPB


  We have completed and sold our ZNE (Zero Net Energy) build in the Montclair Hills.  We are very excited about this build because it is the culmination of everything we have learned from decades of building and retrofitting homes.  We have put our heart and soul into it and made it the best performing, […]

Deep Energy Retrofits – 12 Steps

energy retrofit

Let’s face it, some homes need a lot of work. In the 20th century, the majority of homes were built with little consideration for efficiency, air quality, or longevity. Now that we’re facing more serious economic, environmental, and energy issues, we need to start doing things differently. But new, efficient homes are not being built fast enough […]

Improve Your Indoor Air Quality- How, and Why


  Air contaminants in homes have significant negative effects on occupant health 1. The extent to which each contaminant directly affects occupant health is uncertain. 2. The “safe level” of concentration for each contaminant is also uncertain. 3. But we are certain that homes with good IAQ report significantly less health problems, such as asthma […]

HRV or ERV? Choose the Right Ventilation System


Tight homes need mechanical ventilation First off, what is a “tight” home? This refers to any building that is either intentionally and thoroughly air sealed, or just very well constructed to the point that it leaks minimall. In other words, there are very few gaps between framing and drywall, between framing and framing, leaky penetrations, […]

Home Moisture Problems and Solutions

Window Condensation due to high indoor humidity

Home Moisture Problems – Sources, Issues and Solutions Even in California’s dry climate there are many homes with high humidity and moisture problems. This moisture could be coming from any number of sources and causing issues ranging from slight discomfort to musty smells to mold/mildew to indoor air quality concerns. This article will explain where […]

Efficient Air Conditioning

Outdoor air conditioner unit

Efficient Air Conditioning – What you need to know Electricity can be pricey these days. If you want to install or upgrade your air conditioning system, you should be aware that there is a wide range of quality out there. This is one of those things that pays for itself if you have it done […]