All Blog Posts (1,271)

Zonal Pressure Puzzle

I have a wonderful little (16 x 14 x 8) test cabin at Bristol Community College in Fall River, MA.  There are 3 'rooms', one of which stands in as the bathroom.  It has a bath fan in the ceiling and a small, hopper window.  When I depressurize the house to 50 Pascals, the pressure between the bathroom and the main body of the cabin is just 4.3 Pascals.  When I stand in the bathroom with the door closed, air is pouring in through the bathroom fan, there is enough flow to make the fan rotate…

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Added by Paul Raymer on July 28, 2016 at 2:05pm — No Comments

Play Game of Homes, by EnergyLogic, Inc.

I'd like to introduce everyone to Game of Homes, our cutting edge scenario based training tool targeted to Home Energy Professionals Nationally. It's free to play and it's a great way to acquire additional RESNET/BPI CEU’s.

 

Check it out and let me know what you think?  …

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Added by Sarah Holloway on July 28, 2016 at 12:29pm — No Comments

Innovations for Heating and Cooling

Heating and cooling of indoor spaces is one of the major operations of modern households and business premises. While traditional systems are still very much in use, technology has brought new and more efficient approaches.

All conventional systems need occasional maintenance. Tune-ups include the manual checking of functionality and fixing of worn out wiring and dysfunctional components. However, automatic sensors can now be employed to do the job, making your work a lot…

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Added by Dan McKee on July 28, 2016 at 2:00am — No Comments

Building with Rocks, Rocks. Check out the Drying Potential

Building with Rocks, Rocks! Check out the Drying Potential.

Check this out! This 24" x 48" x 2" thick piece of rigid stone wool insulation was left out overnight (on purpose) on the High Performance Tiny House project site, to see how it handles a deluge of rain, which we knew was coming. One of the many …

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Added by Chris Laumer-Giddens on July 26, 2016 at 3:30am — No Comments

Looking Back and Looking Forward: Home Energy Pros at 5 and 5000

Over the past five years, the Home Energy Pros social network has grown from a twinkle in our eyes to a vibrant community of 5000 doers and shakers in the home performance world. The membership represents a rich cross-section of participants in the home energy performance movement, including:

  • Energy auditors
  • Building contractors
  • Insulation contractors
  • HVAC contractors
  • Home inspectors
  • Appraisers
  • Real Estate…
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Added by Evan Mills on July 25, 2016 at 10:34am — No Comments

8 Tips to Lower Your Summer Air Conditioning Bill

1. Insulate your attic and lessen the air conditioning system load

Summer's in Round Rock are hot, period. Night comes and suddenly the house feels very hot, hotter than what it feels during the day.



This happens due to heat collecting in the attic during the day and going down during the night. Insulating your attic should be a priority during the summer, as it could save you a lot of money in the long run.



In addition, be sure the correct type of vents placed…

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Added by MCX on July 20, 2016 at 7:26am — No Comments

Is the Perfect Wall Realistic?

Wrong question. The right question is what can we do to help builders design and construct more perfect walls without losing their shirts? At Building America, we have an idea for a tool to do this.

Since 1995, Building America Program experts have developed more than 100 innovations that…

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Added by Home Energy Magazine on July 18, 2016 at 2:35pm — No Comments

Boosting Insulation Can Reduce Energy Use, Pollution

Those of us working within the building industry or energy efficiency space in existing homes know that boosting insulation levels can reduce energy use, cut consumer costs and greenhouse gas emissions. Yet, there’s been a modest amount of data to quantify the extent of the benefits—particularly at the state level. Until now.

New …

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Added by Home Energy Magazine on July 18, 2016 at 2:32pm — No Comments

Staying Out of the Red by Going Green

The going green initiative has been well under way for a few years now, but many businesses – small and large – are still hesitant to join the movement. They often assume that going green is synonymous with spending more money when this simply is not the case. Businesses that cut down on carbon emissions and…

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Added by Carlee Quintas on July 18, 2016 at 6:55am — No Comments

Keep Energy Consumption at Minimum Level through Mazda CX9 Interior

Mazda produces CX9 to fill the gap between crossover and SUV segment. Today, people pick crossover for their vehicle because it is lighter and has many benefits than full-size SUV. However, there are some SUV capabilities that can be obtained in crossover. For that reason, manufacturer combines benefits of both sides then put them into one car. In Mazda CX9 interior, several upgrades make this car digital and more effective to handle.

Mazda CX9 Interior and Engine

Before…

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Added by Deman PT on July 15, 2016 at 4:30am — No Comments

Time is Running Out to Register for EEBA Local in Phoenix!

Tomorrow is the last day to register at the Early Bird rate for the EEBA Local mini-conference event in Phoenix. This event will feature a full day "Water Efficiency for Designers & Builders" session with Gary Klein on July 28th, and a mini-conference July 29th focused on building science for hot, dry climates (I understand the weather will be cooperative).

Come for one day or both...lots of excellent information and in depth building science mysteries will be solved....earn CEUs…

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Added by Susan E. Buchan on July 14, 2016 at 9:56am — 1 Comment

Low-Flow Shower Heads Save Water

Just about everyone enjoys a nice long hot shower. It does come with some cost for the water and don’t forget the associated cost to heat the water. The ideal situation is to apply the water only toward the person and avoid as much as waste as possible. Current federal standards require that shower heads deliver no more than 2.5 gpm (gallons per minute). Except for older homes that have not been renovated, most homes are already equipped with shower…

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Added by Helen Best on July 1, 2016 at 4:00pm — No Comments

Phoenix, AZ Residents Get an Electric Rate Cut in Middle of Peak Season

Thanks to low natural gas prices and renewable energy sources, Salt River Project (SRP) customers in the greater Phoenix area will receive a 3.7 percent discount on their electric rates for July and August, two of the hottest months of the year.

SRP is the primary electric provider for Maricopa County, and their move to lower rates temporarily gives Phoenicians some relief from typically high electric bills. According to an SRP spokesperson, the average two-month decrease will total…

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Added by jackie harsha on June 26, 2016 at 11:30am — No Comments

Elevate Energy Mythbusters: Windows & Attics Edition

This blog post is guest written by former staff member Eric Keeley.

Great enthusiasm for home energy efficiency is often matched with misconceptions.  Let’s explore a bit and figure out the difference between what we perceive, believe, and what we know to be true.

Our Perception

Windows: We see through them every day and curse the drafts coming through and around them. We are certain that old windows are the main culprit behind why we spend so much…

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Added by Amber Vignieri on June 24, 2016 at 10:00am — 4 Comments

5 Key Reasons Why Rooftop Solar Is Popular In The US

The rapid switch from traditional electricity to clean, economical and renewable solar energy is evident from the proliferation of rooftop solar panels in US homes and commercial buildings. Data shows that between 2008 and 2014, the use of solar power in homes, institutions and commercial buildings witnessed a significant growth of more than 50 percent annually. Solar is an attractive option in those areas since they are blessed with abundant sunshine. Florida, for…

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Added by Olivia Taylor on June 22, 2016 at 11:30pm — No Comments

Top 5 Tips For Hiring A Crawl Space Contractor

A homes crawl space is one of the few places most homeowners try to avoid at all cost, and for good reason. They are dark, nasty, wet, smelly places for the most part. Because of this, most homeowners take an "out of sight out of mind" approach to their homes crawl space. But homeowners who have issues such as standing water, mold, foundation problems, and structural wood damage do not have the luxury of ignoring their crawl space. Ignoring crawl space issues such as those mentioned can lead…

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Added by Adam Swain on June 21, 2016 at 5:09pm — No Comments

Indoor Air - How do you measure if it is Healthy?

Indoor Air - How do you measure if it is Healthy? New on my Blog! This post was made to respond to my friend Nate Adams question of 'Why?' when I tweeted that I was disappointed at…

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Added by John Nicholas on June 20, 2016 at 8:09am — 5 Comments

Creating an Energy-Saving, Environmentally Friendly Home

A majority of homeowners throughout the world are looking for new ways to create an environmentally-friendly household for a number of reasons. Improving the overall well-being of the world and reducing energy expenses are two of the most common reasons that a homeowner cuts back, but where do you begin?

In the broad scheme of things, renovating a household to be more eco-friendly can look like an over-bearing mountain of expenses and time, yet many homeowners are missing out on the…

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Added by Taylor Tomita on June 15, 2016 at 1:32pm — No Comments

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Quinn Korzeniecki replied to Larry Nissman's discussion Foam insulation on attic floor
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