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1957 Split-Level - Catonsville, MD

Catonsville Maryland Energy Assessments
Catonsville, MD, is known for its historic charm and is home to several historic sites and buildings, adding a unique character to the neighborhood​ (Maryland U.S. ZIP Code 5 Plus 4)​​ (​.

Reason this BGE Customer is Got the Audit

This couple recently moved into the home and they found it to be drafty and difficult to keep it comfortable, particularly the room above the garage.

General Profile - 1957 Catonsville Split-Level

Neighborhood: Catonsville, MD

Style: Single-Family Detached

Year Built: 1951-1960

Foundation Types: Open Crawlspace

Typical Homeowner Complaints: Drafty and hard to keep comfortable, especially a room above the garage, musty when warm outside

Current Insulation Condition:

Attic: 5 inches, moderately insulated; parts missing insulation

Kneewalls/Vertical Attic Walls: Poorly insulated, 3 inches

Crawl Space: Moderately insulated, 8 inches

Common Insulation Challenges: Missing insulation in some attic areas, open crawl spaces needing sealing and insulation

HVAC Ducts: Uninsulated sections, especially in the attic

Unique Features: Central AC (16-20 years old, 11 SEER), 40-Gallon Natural Gas Storage Water Heater

Homeowner Takeaways from this Catonsville BGE Energy Audit

  • Rodent Infestation: Not detected
  • Crawl Space: Needs sealing and insulation, potential improvement for comfort and efficiency
  • Attic: Needs insulation improvements, especially in areas with missing insulation

BGE Home Performance with ENERGY STAR Energy Audit

Long-Term Problems if Left Unchecked

  • Increased drafts and discomfort
  • Higher energy bills due to inefficiency
  • Potential moisture issues in the crawl space
  • Ineffective heating and cooling, leading to higher HVAC wear and tear
 Central AC 16-20 years old, 11 SEER
Central AC (16-20 years old, 11 SEER).
Moderately insulated crawl space, 8 inches
Recommended crawl space encapsulation. Hanging insulation is a sign of high moisture in the summer.
Seal ducts in attics in maryland houses
Uninsulated sections, especially in the attic
Remove storage from attic spaces to maximize insulation performance and overall comfort and efficiency.
Remove storage from attic spaces to maximize insulation performance and overall comfort and efficiency..
Air seal can lights in Maryland homes
Can lights should be covered and sealed.
5 inches, moderately insulated; parts missing insulation
5 inches, moderately insulated; parts missing insulation.

Recommendations for this Catonsville homeowner included:

This home will become more comfortable and energy-efficient by addressing the insulation gaps, sealing the crawl space, and improving ventilation. These changes will reduce drafts and lower the energy bills, creating a healthier and more sustainable living environment for this family.

  • Air Sealing:

    • Current leakage: 3261 CFM50
    • Recommended reduction: 2282 CFM50
    • Benefits:
      • Increased Comfort: Reduces drafts and uneven temperatures, creating a more comfortable indoor environment.
      • Energy Savings: Decreases energy loss, leading to lower heating and cooling costs.
  • Insulation:

    • Attic: Increase to R-49
      • Benefits:
        • Improved Temperature Regulation: Better insulation helps maintain consistent indoor temperatures.
        • Reduced Energy Costs: More efficient insulation reduces the need for heating and cooling, cutting energy bills.
    • Kneewalls: Add fiberglass batt and air barrier to R-13
      • Benefits:
        • Enhanced Comfort: Improves the thermal boundary, reducing drafts and cold spots.
        • Energy Efficiency: Enhances the overall efficiency of the insulation system, leading to energy savings.
    • Crawl Space: Seal and insulate, add foam insulation
      • Benefits:
        • Moisture Control: Sealing and insulating the crawl space reduces moisture infiltration, preventing mold and mildew.
        • Energy Efficiency: Reduces heat loss through the floor, enhancing the home's overall energy efficiency.
  • Ducts: Insulate to R-10 seal to improve airflow and efficiency

    • Benefits:
      • Improved Air Quality: Sealed ducts prevent contaminants from entering the HVAC system, improving indoor air quality.
      • Enhanced HVAC Efficiency: Properly insulated and sealed ducts reduce energy loss, making the heating and cooling system more efficient.
  • Water Heater: Adjust temperature to 120°F

    • Benefits:
      • Energy Savings: Lowering the temperature setting reduces energy consumption.
      • Safety: Reduces the risk of scalding, ensuring a safer home environment.
  • Ventilation: Install mechanical and local ventilation for improved air quality

    • Benefits:
      • Improved Indoor Air Quality: Ensures a steady supply of fresh air, reducing indoor air pollutants.
      • Energy Efficiency: Proper ventilation helps manage moisture levels and reduces the load on heating and cooling systems.


Potential Energy Savings with Improvements:



  • Air Sealing:
    • Reduction in air leakage from 3261 CFM50 to 2282 CFM50
    • Estimated annual savings: $38.97
  • Attic Insulation:
    • Increase insulation to R-49
    • Estimated annual savings: $38.42
  • Kneewalls Insulation:
    • Add fiberglass batt and air barrier to R-13
    • Estimated annual savings: $4.48
  • Crawl Space Insulation:
    • Seal and insulate, add foam insulation
    • Estimated annual savings: $11.74
  • Duct Insulation:
    • Insulate to R-10
    • Estimated annual savings: $20.12
  • Water Heater Temperature Adjustment:
    • Adjust to 120°F
    • Estimated annual savings: $21.81


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Helping You!

*Improve home comfort
Educate you about your home
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*Improve energy efficiency
*Use science for solutions
*Assess your building's shell
*Help prioritize improvements
*Find the root causes
*Assess insulation levels
*Measure indoor air quality
*Evaluate windows & doors
*Evaluate attic ventilation

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