Ventilation in the 2019 California Energy Code

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Ventilation in the 2019 California Energy Code

It is not unusual for California to be first and unique. Just one year after the 1973 oil embargo exposed this country’s reliance on foreign oil, California was the first state to implement a ...

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Sizing Air Conditioners

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January 07, 2010

A mountain of data leads to an unusual conclusion - sometimes bigger is not so bad. [continue reading]

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Comfort to the Maxx

Author: Steve Mann
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January 07, 2010

In the September/October issue of Home Energy, which includes the Home Performance Contractor’s Business Development Guide, David Butler makes an important point about home performance contracting (p. 6): “The home performance industry ... [continue reading]

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Mold & Rot: Look Before You Leap When Weatherizing

Author: Mac Pierce
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January 06, 2010

Molds are an ancient life form. Neither plants nor animals, molds are members of the Kingdom of the Fungi. Familiar members of the fungal kingdom include molds, mushrooms, and yeasts. Fungi digest spent life, transforming ... [continue reading]

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Is There a Downside to High-MERV Filters?

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November 02, 2009

The new high-MERV filters extract an energy penalty. [continue reading]

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Current Status of Residential Cogeneration

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November 01, 2009

Almost all of our electricity is produced by large centralized power plants that supply power to the electric grid. Only one-third of the fuel energy supplied to these coal and natural gas power plants is ... [continue reading]

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The Elephant in the Room

Author: David Butler
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September 01, 2009

HVAC for High-Performance Homes [continue reading]

Using Residential Solar Panels to Power Electric Cars

Rob Appelhof

Using Residential Solar Panels to Power Electric Cars

People are buying more electric cars than ever. According to the newsletter ARS Technica, in 2018 – the most-recent full year ...

EERE Success Story  Reducing the Energy Burden for Elderly and Homes that Previously Could Not Receive Weatherization Services

DOE's Office of Energy Efficiency and Renewable Energy

EERE Success Story Reducing the Energy Burden for Elderly and Homes that Previously Could Not Receive Weatherization Services

Minnesota's Weatherization Assistance Program (WAP) has made strides in reducing the energy burden and providing a healthier home environment for ...

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