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1984 Rockville MD Townhome

According to Wikipedia, the Rockville station of Washington Metro began service on July 25, 1984, and the Twinbrook station began service on December 15, 1984.
According to Wikipedia, the Rockville station of Washington Metro began service on July 25, 1984, and the Twinbrook station began service on December 15, 1984.

Reason for this Pepco Customer to Get the Audit

Looking to find ways to improve energy efficiency and researched the benefits of sealing and insulation. They decided to get the audit to determine if the house needs any of the improvements.

General Profile - 1980s Rockville Townhouse

Cape St. Claire Neighborhoods, Annapolis, Colonial Two Story

Year Built: 1980-1989

Foundation Types: Conditioned basements

Typical Homeowner Complaints: Winter drafts, high energy bills, uncomfortable upstairs in summer, HVAC runs all of the time

Usual Insulation Condition: Moderate condition with inconsistent levels, poorly installed materials and incorrect insulation location, particularly in the knee wall areas

Common Insulation Challenges: Basements are typically finished on front and back and upper floor features, such as sloped ceilings and skylights make attention to detail very important

HVAC Ducts: Any ducts in the attic in these homes is usually insulated, however there is usually lots of room for improvement

Unique Features: Sloped ceilings on the upper floor and large skylights make the attic in this style home rather complex to insulate, however a trained specialist should have not trouble getting it right

Homeowner Takeaways from this Rockville Pepco Energy Audit

The attic is under insulated and in need of specialized treatment.

The upper floor exhaust fans are not properly vented, leading to moisture build up in several areas.

Insulation had fallen in several knee wall locations and the homeowner had no idea prior to the attic inspection.

BGE Home Performance with ENERGY STAR Energy Audit

Long-Term Problems if Left Unchecked

HVAC will have to run much longer shortening lifespan

Comfort around the home suffers due to draftiness, uneven temperatures

Unecessary moisture build up in the attic due to improper ventilation leads to shortened roof life span as well as other long-term issues

Higher energy bills that will not amount to better comfort

Bathroom moisture build up would continue (in this case) to create peeling paint

 

a big skylight above the master bathroom shower - a potential moisture trap
A feature in this Rockville MD townhome neighborhood built in the 80s is a big skylight above the master bathroom shower - a potential moisture trap.
Missing basement insulation. 9 out of 10 homes are under insulated and this 1980s townhouse in Rockville, MD falls into that category as well.
A thorough assessment of the attic revealed missing insulation at the master bathroom shower skylight.
A thorough assessment of the attic revealed missing insulation at the master bathroom shower skylight.
Blower door results can be compared to similar style homes. It can be used as a guide and the actual test must be done for complete accuracy.
Blower door results can be compared to similar style homes. It can be used as a guide and the actual test must be done for complete accuracy.
Thermal imaging reveals the area missing insulation is a different temperature (cooler in this case) making it prime for condensation to form.
Thermal imaging reveals the area missing insulation is a different temperature (cooler in this case) making it prime for condensation to form.

Check out the full energy audit attic assessment video below!

How an energy audit typically helps a homeowner with a townhome in Rockville that was built in the 80s:

-Townhouses are classic examples of the stack effect in winter. The top floor loses heat, the middle floor is neutral and the basement pulls cold air in.

-This customer learned the driving force behind the reason they had to paint the master bathroom ceiling every couple of years.

-The homeowner was able to comfortably navigate away from typical fixes like new skylights or new windows.

    Specialized Maryland Contractor
    • MHIC Licensed
    • Building Analyst Certified
    • Envelope Professional Certification
    • EPA Lead Renovator Certified

       

    Our mission is to help Maryland homeowners create a more comfortable home and save energy by using building science principles and modern air sealing and insulation techniques.
     


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    North Laurel, MD 20723
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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