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1960 Colonial Style - Annapolis, MD

median cost per home in Woodstock is $422,290
According to Wikipedia, The River Bay Company platted the community of Cape St. Claire on June 14, 1949. The community was envisioned and sold as a summer retreat for residents of Washington, D.C., and Baltimore. 

Reason this BGE Customer is Getting the Audit

Recently moved into the home and was shocked at how high the bill was and how uncomfortable he was in return.

General Profile - 1960 Annapolis Colonial

Cape St. Claire Neighborhoods, Annapolis, Colonial Two Story

Year Built: 1950-1960

Foundation Types: Unconditioned basement, conditioned basement, crawl space

Typical Homeowner Complaints: Winter drafts, high energy bills, uncomfortable upstairs in summer, low air flow from supply ducts

Usual Insulation Condition: Low to moderate condition with inconsistent levels and incorrect insulation location

Common Insulation Challenges: Crawl spaces are sometimes too low for treatment, attic areas are inaccessible or filled with storage or HVAC ducts

HVAC Ducts: Ducts are often times outside of the envelope - in attics or crawl spaces - due to retrofitting central HVAC systems years after the home was built

Unique Features: Often times these homes were built with summer in mind so windows are large and unique, old patios get converted to living space with very little thought to insulation and humidity can get high inside during hot Maryland summers.

Homeowner Takeaways from this Annapolis BGE Energy Audit

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

The chimney needs to be targeted for air sealing due to it being open to the inside of the house around the base.

The unconditioned basement should not be further disconnected from the house, rather it needs to be better disconnected from the outside.

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 and different areas of the home only get used during certain times of the year.

More room for insect intrusion and other unwanted pests when gateways to the outside from the inside exist.

Higher energy bills that will not amount to better comfort.

Poor decision making on how to fix (buy new HVAC, purchase new windows)


Extend downspouts away from the foundation wall a minimum of 10'.
Two HVAC systems in a house this size is a sign that it once was operating much more as a beach cottage.
9 out of 10 homes are under insulated and this colonial style in Cape St. Claire, MD is falling into that category as well.
air sealing is needed at the attic floor of this annapolis  home
Huge openings at the attic floor like this one create all sorts of efficiency and comfort problems for the occupants inside.
Whole house fans create large gateways to the attic and should be removed or correctly sealed and insulated.
Whole house fans create large gateways to the attic and should be removed or correctly sealed and insulated.
Duct insulation in the attic cannot be an afterthought and gaps and cracks need to be addressed.

Check Out the Basement Assessment Video Below!

How an energy audit typically helps a homeowner with this type of home:

-This energy audit was able to guide this homeowner towards making the basement insulated and semi-conditioned with logical explanations that made better sense than the home inspector's ideas.

-This customer saw the great opportunity to seal the ducts as a first step towards making the system work better.

-The homeowner made a real connection between the drafts he was feeling inside the home and the uninsulated basement and how it contributed to the problem.

    Specialized Maryland Contractor


    • MHIC Licensed
    • Building Analyst Certified
    • Envelope Professional Certification
    • EPA Lead Renovator Certified
    • YouTube Learning Channel


    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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    Services & Service Areas

    Anne Arundel County, Baltimore County, Baltimore City, Carroll County, Charles County, Harford County, Howard County, Montgomery County, Prince George's County



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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