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BGE Home Energy Audit Finds - Furnace Flue Chase


We found this open chase at a BGE enery audit in Ellicott City, MD. 

This home was build in the late 80s.  This chase has been open for over thirty years costing the homeowner hundreds and comfort.

Learn more about the effects of a flue chase on comfort and energy bills here.

BGE energy audit discovery
If you have a gas furnace look for a flue or chimney on your roof.  This is a sign you may have an open chase.
Heating and cooling is evaluated at BGE energy audits
A closer look at how the flue for the water heater and the furnace tap into the larger flue that runs up through the attic and to the "outdoors".
Attic flue chase discovered at BGE energy audit.
A closer look at the flue in the attic.
BGE energy audits find openings at the attic floor.
Looking at the huge gap into the cavity in the house straight down also reveals how connected the attic is to the rest of the house.
BGE energy audits uncover common home issues
The flue (chimney) starts in the basement and it connects to the water heater & furnace. It runs up through the house.
Attic finds at a BGE energy audit
The flue from the basement rises up through a cavity in the house and through the attic and through the roof to the outdoors.
BGE energy audits find attic issues
An energy auditor's perspective shows a tremendous offender when it comes to energy waste and comfort issues.
BGE energy audits prescribe correct fixes.
A solution that can easily be done is to block the opening with some type of air barrier and seal around the seam in an airtight fashion.
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Our mission is to help Maryland homeowners create a more comfortable home and save energy. We achieve this by applying building science principles and modern air sealing and insulating techniques.

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An Energy Auditor's Purpose 
"Energy auditors visit residential buildings and talk to owners and residents.  They inspect, test, and measure to decide what energy-efficient retrofits are practical and cost-effective." Residential Energy