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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Variable Capacity Versus Fixed Capacity

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March 01, 2014

An Experiment in the Impact of Duct Location [continue reading]

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A Guide to Installing Window Air Conditioners

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October 31, 2013

Homeowners in the United States spend $1 out of every $8 of utility costs on cooling their living space. Window air conditioners (A/Cs) are an inexpensive alternative to central systems and are sold in greater numbers ... [continue reading]

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Backdrafting Appliances: Causes and Fixes

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September 10, 2013

Homeowners and contractors need to know that when they replace 70%- or 80%-efficient furnaces with 90%-efficient furnaces and leave standard atmospheric draft water heaters orphaned, old atmospheric water heaters may backdraft, creating CO problems for ... [continue reading]

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Building Science 201: Combustion

Author: Rick Karg
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July 01, 2013

The more we understand about combustion appliances, the better we can serve the houses we work in. [continue reading]

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Getting Started in Home Performance Contracting

Author: Chuck Colgan
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June 16, 2013

Thirteen steps to taking your contracting services to the next level [continue reading]

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HVAC Contractors: Survive and Prosper in Hard Times

Author: Colin Genge
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April 01, 2013

The International Energy Conservation Codes (IECC 2009 and 2012) require HVAC ducts to be tested to prove a minimum leakage of a rather easily obtained 12 CFM/100 square feet of conditioned floor area. While many states and localities ... [continue reading]

Homemade Wind Turbine in 5 Easy Steps

Conor Downes

Homemade Wind Turbine in 5 Easy Steps

So, you want to build a backyard wind turbine and save hundreds every year? Well, you’ve come to ...

10 Construction Trends Impacting the Industry

Megan R. Nichols

10 Construction Trends Impacting the Industry

The construction industry is continuing to grow and evolve as new technology emerges. Companies and workers will need to adapt ...

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