Featured Blog Posts (834)

What Sustains US

Every locality grapples with its own collection of natural and human caused challenges (and potentially disasters). While most people don’t often think about the connection between property values and water runoff, flooding, heat waves, fires, hurricanes, drought, new power and gas lines, density, open space, access to public…

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Added by Pearl Home Certification on September 20, 2018 at 9:30am — No Comments

Announcing National Energy Geek Day [October 6]

If you know anything about EnergyLogic, you are probably aware that we are fun loving and passionate. We noticed that there are national days for just about everything (no really, National Spaghetti Day is a thing). But somehow, there was no national day to celebrate our industry's professionals. So, we've created National Energy Geek Day!…

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Added by Hannah Finch on September 12, 2018 at 6:30pm — No Comments

What You Missed At The ZNE Retreat

It’s amazing how many energy efficiency conferences and workshops have surfaced recently. Sometimes it seems like the dissemination and sharing of EE information has become a standalone industry. These events are often are often sponsored by large corporate donors and may have hundreds of attendees.…

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Added by Efficiency First California on September 10, 2018 at 11:25am — No Comments

More "Buzz" from ACEEE Summer Study—Builder-Installed Electric Loads

You probably never considered the power consumption of those Ground-Fault Circuit Interrupter outlets (fondly known as GFCIs) in bathrooms, kitchens, and other residential wet spots. But Leo Rainer and his colleagues did and they measured them.  He also measured hard-wired smoke alarms, Arc-Fault Circuit…

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Added by Jim Gunshinan on September 6, 2018 at 8:30pm — 1 Comment

The Consumer Connection: A Consumer-Centric Approach to Delivering Home Energy Services

Two-thirds of US homeowners consider home energy performance a top priority, but few actually take action to improve home energy use. And those who have implemented efficiency improvements seldom invest in whole-home energy upgrades. In sum, a large gap exists between intentions and…

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Added by Laurie Guevara-Stone on August 22, 2018 at 11:00am — 1 Comment

Summer Season Highlights on Home Performance in the States

Although the Summer Season is quickly coming to an end, HPC has seen an unusual amount of positive activity in the states on residential energy efficiency policy – with more deadlines and activities coming through the end of August. HPC and its allies have been particularly active in the following states:

North Carolina – HPC presented at the North Carolina Energy Policy Council’s August 15, 2018, Quarterly meeting in Raleigh, NC on reforming…

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Added by Home Performance Coalition on August 23, 2018 at 11:34am — No Comments

The Trouble with Holes

spoiler alert: Hawaiian attic holes look just like mainland attic holes.

published on my website recently at https://terrawatthome.com/blog/trouble-holes…

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Added by Blake Reid on August 23, 2018 at 7:30pm — No Comments

The Leading Edge in the Nation’s Capital

Nick knows homes. Several years ago, he started volunteering for Habitat for Humanity. He also helped modify a home that was part of the U.S. Department of Energy’s Solar Decathlon, a competition for students to design and build high-performance buildings powered by renewable energy. On top of that, he’s built six passive houses. So when Nick decided to create an addition to his own home in Washington DC, he was naturally committed to transforming it into a…

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Added by Pearl Home Certification on August 23, 2018 at 11:30am — No Comments

Two National Brands Join Forces Demonstrating Unity in Home Energy-Efficiency Rating Systems

The Residential Energy Services Network (RESNET) and Pearl Certification are now collaborating to ensure that the Home Energy Rating System (HERS) Index and Pearl Certification Reports complement each other in the…

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Added by Pearl Home Certification on August 28, 2018 at 1:00pm — No Comments

Making old furnaces new again, with innovative retrofits that improve efficiency

Research Insights share findings from CEE's energy efficiency research, drawing real-world links to help Minnesotans save energy and money, while lowering carbon emissions.

Many of the furnaces in Minnesota’s single-family homes are 15 years or older, and…

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Added by CEE on August 24, 2018 at 3:30pm — 1 Comment

Two Friends of Summer Study



The following profile first appeared in the
Grapevine, a daily newsletter produced by Home Energy Magazine staff at the biannual ACEEE Summer Study in Buildings, heald at the beautiful…

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Added by Jim Gunshinan on August 21, 2018 at 5:00pm — No Comments

Historic Home Gets a Remodel

By Steve Sokolsky

If you’re a homeowner, whom do you call when you find mold in a closet and on the ceiling of a bathroom? How about when paint starts peeling on your dining room wall? Whom do you call when there’s standing water in your crawl space? Whom do you think to contact when it’s getting harder and…

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Added by Diane Chojnowski on August 21, 2018 at 10:00am — No Comments

On-The-Job Experience: Why Electrification Is Better And Cheaper

Sean Armstrong is the Managing Principal of Redwood Energy, one of the nation’s leading ZNE design firms and an Efficiency First California board member. His argument for electrification is based on his extensive experience in multifamily housing. 

The conventional wisdom is that when it comes to home heating, gas is cheap. So why is the trend toward building all-electric homes accelerating?

It turns out…

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Added by Efficiency First California on August 10, 2018 at 1:50am — No Comments

She Cut Her Energy Bills by 69% & Got to Pearl Gold

When discussing cutting energy consumption, but still staying cool in the hot summer months in Arizona, Jan tells her clients to first get an energy audit. "That's going to be a whole system approach to looking at every facet of your home.” The energy audit will check "insulation,…

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Added by Pearl Home Certification on August 7, 2018 at 11:30am — 1 Comment

Some "Buzz" from ACEEE Summer Study! PV Marries Heat Pump, by Danny Parker, Florida Solar Energy Center



Reducing energy use for heating hot water remains a major challenge around the world. This paper describes a novel solar photovoltaic assisted heat pump water heater (PV-HPWH) which achieved an 83% reduction (COP 5.4) in water heating energy compared with electric resistance. This technology demonstrates…

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Added by Jim Gunshinan on August 6, 2018 at 12:30pm — No Comments

Engineering for Energy Efficiency

CEE helps building owners and managers better understand and optimize their energy use to improve the operation of equipment and systems, reduce energy waste, and manage long-term sustainability…
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Added by CEE on July 31, 2018 at 10:30am — No Comments

Something New (Solar) and Something Old (Wood Stoves) get Jim’s Home to Pearl Gold

Jim Pearl Gold home is so snug and energy efficient that in the winter he heats the home with wood and powers it entirely with solar panels.

Jim designed his new home in central Virginia with energy efficiency in mind. It’s very high performing with spray-in foam insulation, high-end windows and doors, excellent heating and cooling systems, an intentionally designed southwest orientation, and large overhangs on the…

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Added by Pearl Home Certification on July 26, 2018 at 9:30am — 2 Comments

Our First Year with Solar Panels, by Chris Stratton

 A local solar company putting supports for PV panels on our roof. No that's not a tiny man on the ladder.

A local solar company…

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Added by Jim Gunshinan on July 16, 2018 at 4:00pm — 8 Comments

Making a Difference in DC: First Annual Contractor Lobby Day

In April 2018, members from across the home performance industry traveled to Washington, DC to participate in the first annual Contractor Lobby Day. The lobby day, which was sponsored by E4TheFuture, consisted of meetings with members of Congress and their staff to advocate for residential energy efficiency/home performance policy. The event was free to attend and provided an…

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Added by Home Performance Coalition on July 10, 2018 at 12:30pm — No Comments

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Forum Discussions

Mini split installation location

Started by Jan Green in HVAC. Last reply by Jan Green 3 hours ago. 12 Replies

Think of the house as a really big duct

Started by Frank Spevak in HVAC. Last reply by John White on Friday. 2 Replies

Mini split air conditioners and ceiling fans

Started by Beverly Lerch in General Forum. Last reply by Beverly Lerch on Thursday. 13 Replies

Condensation on ceiling and walls of master bedroom

Started by Jerry Needham in General Forum. Last reply by John Nicholas on Thursday. 10 Replies

Latest Activity

Jim Gunshinan posted a blog post

More "Buzz" from ACEEE Summer Study—Grow Homes

Joe Clark and Martha Wudka of Evergreen Economics did a study in which "getting into the weeds (or…See More
1 hour ago
Jan Green replied to Jan Green's discussion Mini split installation location
"I agre that the south wall would be shaded for the warmer summer months, but it won't look…"
3 hours ago
Jan Green replied to Jan Green's discussion Mini split installation location
"I'll check on electrical.  Good point.  "
3 hours ago
Jan Green replied to Jan Green's discussion Mini split installation location
"Thank you for that.  I wanted to put it on the west wall since there isn't much chance of…"
3 hours ago
David Butler replied to Jan Green's discussion Mini split installation location
"Hi Jan, actually, I said you'd be find putting it on the west wall since you wanted a larger…"
4 hours ago
Brett Little posted an event
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Using Pearl Certification to Bridge the gap between home energy and value - Free CE Webinar at Webinar Online

October 3, 2018 from 12pm to 1:15pm
In this webinar, “The Power of the Pearl Connection”, Pearl Certification’s Cynthia Adams, CEO and…See More
6 hours ago
Walter Ahlgrim replied to Jan Green's discussion Mini split installation location
"Being a Flip you must consider the install cost. At least get a bid for a PTAC unit like the ones…"
7 hours ago
Daniel Baur-McGuire replied to Jan Green's discussion Mini split installation location
"South Wall. It will have the highest load needed for cooling/heating. the shade from the tree could…"
7 hours ago
Glen Gallo replied to Jan Green's discussion Mini split installation location
"I would add where is the power coming from? the south wall proposed might have easier access for…"
8 hours ago
Todd Hensel is now a member of Home Energy Pros Forum
10 hours ago
John White replied to John Carton's discussion Insulation touches underside of roof in home with no soffit or soffit venting.
"Soffit vents can be used for intake, but they are not the only means of intake. If you have a…"
15 hours ago
Franco Oyuela commented on David Byrnes's video
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Why One Room Is Hotter Than Others

"If the temperature difference between your bedroom and your living room feels like walking from a…"
Friday
Franco Oyuela replied to Jan Green's discussion Mini split installation location
"First: Mini split are a great option. Second:vI agree with David that installing on the south…"
Friday
Pearl Home Certification's blog post was featured
Friday
John White replied to Frank Spevak's discussion Think of the house as a really big duct
"Thanks for sharing this helpful information. Want to read more on duct cleaning pros and cons.…"
Friday
Jan Green replied to Jan Green's discussion Mini split installation location
"Thank you, thank you!  I appreciate your insights.  I agree with the idea that installing…"
Thursday
David Butler replied to Jan Green's discussion Mini split installation location
"Hi Jan, in a room like that with a relatively balanced aspect ratio, flat ceiling and not much…"
Thursday
Rick Blair joined Kyle Brown's group
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Wrightsoft - Manual J / Manual D

If you use Wrightsoft to calculate loads or design ducts, you likely have questions.  Get answers…See More
Thursday
Jan Green replied to Jan Green's discussion Mini split installation location
"This is a very rough diagram of the detached casita.  There are currently no windows in this…"
Thursday
Sean Wiens liked Jerry Needham's discussion Condensation on ceiling and walls of master bedroom
Thursday

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