Attic Fans and the Whole House

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Attic Fans and the Whole House

Consider turning attic fans on when checking for the worst case CAZ depressurization.

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Attic Fans and the Whole House

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April 28, 2013

Consider turning attic fans on when checking for the worst case CAZ depressurization. [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]

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Air Sealing and the CAZ

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February 25, 2013

After I described how air can get sucked down the chimney and vent connector and flue, and out the draft diverter of the gas water heater, and into the basement, the mother, who was now ... [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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Converting From Steam To Hot Water

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July 01, 2009

Q . Is it feasible to retrofit cast-iron single-pipe steam radiators to work on hot water from a new combined heating/domestic hot water (DHW) system?  And if so, would it ever make sense ... [continue reading]

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HVAC System Pressure Relief

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July 01, 2006

Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home. [continue reading]

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Introducing Fresh Air

Author: Iain Walker
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July 01, 2005

       Q. I am trying to find out how much fresh air is required to be introduced to an apartment by means of a forced-air furnace. I understand that the manufacturer ... [continue reading]

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Thinking Ahead to a Humid Summer

Author: John Proctor
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March 01, 2005

Q. I recently read that a variable speed, two stage air conditioner can maintain 50% relative humidity (RH) even when the latent load is 60% of the total load.Would this really work?      &... [continue reading]

How Third-Party Utility Providers Work

Brittney Sheffield

How Third-Party Utility Providers Work

Many people know that there are ways to save on your utility services, however there are plenty of people who ...

Northwest Energy Star Super-Efficient Homes—#6: The Pumpkin Ridge Passive House

Neil Grigsby

Northwest Energy Star Super-Efficient Homes—#6: The Pumpkin Ridge Passive House

The Pumpkin Ridge Passive House is one of six super energy-efficient homes being highlighted this year by Northwest Energy Homes&...

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