Zero Net Energy Ready New Home in Martinez

zne home

  After years of retrofitting and building homes in the Bay Area, Scott O’Hara, EPB’s co-founder, is putting it all together with a great build.  Using advanced design and installation of Home Performance this home is ready to buy and make Zero Net Energy (which makes it zero net energy ready).   The new  ZNER […]

Soundproofing and Insulation


  Completely soundproofing an existing home is fairly difficult and costly on its own. There are a lot of “tips and tricks” out there, but the fact is, the only way to fully soundproof a home is by tearing into your walls and/or ceiling. The upside is, if you’re thinking of redoing your insulation or […]

Insulation Materials: the Good and the Terrible


  Sometimes, you get what you pay for. But most of the time, it pays to do a little research first. Today we want to give an example of the importance of making educated purchases. There are a variety of insulation materials to choose from, and most have their strengths and weaknesses. However, one stands out […]

Energy Upgrade Financing in the CA Bay Area

In the California bay area, energy and water efficiency are more important, and more available, than ever before. The CaliforniaFirst PACE financing program now covers nearly all cities in the bay area (Concord was recently added to the list). Eco Performance Builders is an approved contractor for this program. We’ve used this program already with […]

Air Conditioner: Repair or Replace?


If there’s nothing wrong with your air conditioner, but your electricity bill seems too high during those hot months, you may want to schedule an energy audit. During this process, we will thoroughly evaluate the energy efficiency of your house, and recommend the most cost-effective combination of upgrades. If you’re deciding whether to repair or […]

Top 5 Water Saving Upgrades and Fixes


1. On-Demand Water Circulation: A must-have for water conservation Demand Recirculation Systems are a great way to save water and energy, especially if you have remotely placed water fixtures. They are easy to install and can fit into nearly any plumbing setup. 2. Greywater Systems: Consider during new builds, or when remodeling a bathroom “Greywater” […]

Demand Recirculation: How to Conserve Water at Home


Conventional plumbing systems waste water. You turn on the faucet and wait until the water gets hot. During that time, cold water is being wasted and dumped down the drain. Needless to say, wasting water is bad, especially right now in California. If you’re unaware of the severity of the drought, here’s an article every Californian should read. […]

2014 Contractor of the Year – Energy Upgrade California!

Contractor of the Year - Eco Performance Builders

Our second Contractor of the Year Award for 2014 is the prestigious Energy Upgrade California (EUC) “Contractor of the Year” award.  We are sincerely honored to receive this award.  There are over 250 contractors in the EUC program; to be recognized as the best is AWESOME!.  We are grateful to be given the opportunity to […]

Building and Duct Leakage Tests

Testing for air leakage: The first step in any energy retrofit job Air sealing (reducing the leakage of the home) is the #1 way to conserve energy in a home. Air sealing work should be prioritized and air sealing progress should be monitored. However, you can’t completely seal up a home without also supplying controlled […]

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, […]

When are Mini-Split Systems the Right Choice?

Fujitsu minisplit outdoor unit

How It Works Mini-Split systems use heat pump technology. Basically, heat pumps combine an evaporator and a condenser, using puron refrigerant and phase change to provide heating and cooling. They are essentially a high efficiency air conditioner that can also run in reverse to heat the home. The condenser is usually located outdoors. It distributes […]

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 […]

Home Performance Contractor of the Year Award – Eco Performance Builders

Home Performance Contractor of the Year Award

“We are excited and proud to say that Eco Performance Builders has received the Build-it-Green Home Performance Contractor of the Year award! It is very hard work but so very satisfying. We are now even more motivated to help folks reduce energy consumption, reduce residential energy’s impact on the environment, make homes comfortable, increase air […]

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 […]

PACE Loans for Energy Upgrades

PACE stands for Property Assessed Clean Energy The PACE Loan program offers financing for large-scale energy and water efficiency upgrades. Property owners can receive 100% financing for these upgrades, repaid as a property tax assessment for up to 25 years. The interest portion of the payment can be tax deductible. Energy efficiency improvements work best as whole-house […]