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HERS RATER WRITTEN EXAM
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Section 1 Building Science Fundamentals
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1a. Basic Terms & Definitions
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1. Airflow in Buildings
2. Equipment Efficiencies
3. Power and Energy
4. Effective Leakage Area
5. Area Weighted R-Value
6. Baseload / Seasonal Energy Use
7. Driving Forces (Including Natural and Mechanical)
8. Behavior of Radiation
9. Thermal Resistance / Transmittance: R and U Values
10. Latent / Sensible Heat
11. Total Equivalent Length
12. Dehumidification / Humidification
13. Convert Pressure Units
14. Thermal Bridges
15. Pressure Boundary
16. Stack Effect
17. Exfiltration and Infiltration
18. Natural / Mechanical Ventilation
19. Net Free Area
20. Input & Output Capacity
21. Peak Electrical Demand
22. Permeability and Perm Rating
23. Standby Loss
24. IAQ (indoor air quality): Moisture, CO, Dust
1b. Principals of Energy, Air & Moisture Thermodynamics
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1. Thermodynamics: Conduction, Convection, Radiation, ΔT
2. Factors That Affect Insulation Performance
3. House Pressurization/Depressurization by Various Forces
4. Heat Gain / Loss
5. Power and Energy
6. Moisture Transport Mechanisms
7. Identify Areas of Highest Relative Humidity
8. Principles of Combustion
1c. Combustion Safety
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1. Combustion Analysis
2. Carbon Monoxide (CO) Testing
3. Combustion Appliance Venting, Draft, Combustion Air & Sizing
4. Understand Combustion Safety Issues
Section 2 Buildings and Their Systems
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2a. Building Components
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1. Identify basic duct configurations and components
2. Identify Basic Hydronic Distribution Configurations and Components
3. Identify Basic Structural Components of Residential Construction
4. Thermal Boundaries and Insulation Applications
5. Basic Electrical Components and Safety Considerations
6. Basic Fuel Delivery Systems and Safety Considerations
7. Basic bulk water management components (drainage plumbing gutters sumps etc)
8. Vapor barriers/retarders
9. Radiant Barrier Principles and Installations
10. Understand Fenestration Types and Efficiencies
11. Understand Issues Involved With Basements, Crawlspaces, Slabs, Attics, Attached Garages, Interstitial Cavities, and Bypasses
12. Understand Issues Involved With Ventilation Equipment
Understand Basic Heating / Cooling Equipment Components Controls and Operation
Understand Basic DHW Equipment Components Controls and Operation
Identify Common Mechanical Safety Controls
Identify Insulation Types and R-Values
Understand Various Mechanical Ventilation Equipment and Strategies: Spot, ERV, HRV
Conservation Strategies
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Appropriate Insulation Applications and Installation Based On Existing Conditions
Opportunity for ENERGY STAR Lighting and Appliances
Identify Duct Sealing Opportunities and Applications
Understand Importance of Air Leakage Control and Remediation Procedures
Blower Door-Guided Air Sealing Techniques
Water Conservation Devices and Strategies
Domestic Hot Water (DHW) Conservation Strategies
Heating & Cooling Efficiency Applications
Proper Use of Modeling to Determine Heating and Cooling Equipment Sizing and Appropriate Energy
Understand the Use of Utility History Analysis in Conservation Strategies
Appropriate Applications For Sealed Crawlspaces Basements and Attics
Identify / Understand High Density Cellulose
Appropriate Applications for Fenestration Upgrades Including Modification or Replacement
Comprehensive Building Assessment Process
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Determine Areas of Customer Complaints / Concerns in Interview
Understand / Recognize Need For Conducting Appropriate Diagnostic Procedures
Interaction Between Mechanical Systems, Envelope Systems and Occupant Behavior
Design Considerations
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Appropriate Insulation Applications Based On Existing Conditions
Understand Fire Codes as Necessary to Apply Home Performance in a Code-Approved Manner
Understand / Recognize Building Locations Where Opportunities for Retrofit Materials
Understand Climate Specific Concerns
Understand Indoor Environment Considerations for the Environmentally Sensitive
Understand Impact of Building Orientation, Landscape Drainage, and Grading
Opportunity Potential Renewable Energy Applications: Geothermal, Photovoltaic, Wind
Understand Impact of Shading on Heating / Cooling Loads
Awareness for Solar Gain Reduction / Solar Gain Opportunities
Understand Need for Modeling Various Options For Efficiency Upgrades
Measurement & Verification of Building Performance
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Measurement & Verification of Building Performance
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Air Leakage Test Results
Understand Building Shell / Envelope Leakage
Apply Fundamental Construction Mathematics and Unit Conversions
Calculate Building Tightness Levels (Minimum Ventilation Requirements)
Calculate Heating Degree Days and Cooling Degree Days
Identify Proper Appliance and Combustion Appliance Venting
Ventilation calculations and strategies
Proper methods for identifying / testing fuel leaks
Blower door setup, accurate measurement and interpretation of results
Combustion Appliance Zone (CAZ): depressurization, spillage, draft, Carbon Monoxide (ambient and flue)
Carbon Monoxide (CO) evaluation: ambient
Proper applications and use of temperature measuring devices
Pressure pan and room to room pressure diagnostics
Recognize contributing factors to comfort problems
Inspect for areas containing moisture or bulk water in undesirable locations
Understand and inspect for basic electric safety (e.g. frayed wires, open boxes, etc)
RESNET HERS RATER National Standards & Project Specifications
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Understand applicability content and intent of BPI National Standards – Do no harm, make buildings more healthy, comfortable, durable and energy efficient
Recognize need for a professional local/state/national codes evaluation
Be able to specify appropriate materials and processes needed for building performance projects
Analyzing Buildings Systems
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Recognize need for air sealing measures and their impact on other building systems
Conduct and Communications
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Conservation strategies
Conservation strategies
HERS RATER FIELD EXAM
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How To Put The House Under Worst Case & CAZ
What's What? Pa, CFM, CFM50, CAZ, Draft, Room Pressure
What To Know In The Attic
What To Know In The House
BLOWER DOOR TEST
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Manometer Setup
RESNET STANDARDS
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RESNET Standards Decoded
ESSENTIALS
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