Maricopa Community Colleges  HVA133   19956-20046 
Official Course Description: MCCCD Approval: 10/28/03
HVA133 19956-20046 LEC 2 Credit(s) 2 Period(s)
Residential Load Calculations
Calculation of overall heat transmission factors for specific types and combinations of construction materials. Application of design factors to determine cooling and heating loads. Methods for residential applications. Prerequisites: None.
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MCCCD Official Course Competencies:
 
HVA133   19956-20046 Residential Load Calculations
1. Define heat lost/heat gain terms and measure heat transfer. (I)
2. Calculate R factors and compare with manuals J and N. (II)
3. Compare specific construction materials which affect heat transfer. (III)
4. Calculate heat loss/heat gain of specific residences using the long forms and short forms. (IV)
5. Given a blueprint, calculate the heat loss/heat gain of a residential building. (IV)
6. Describe specific regulatory agencies' requirements for residential heat loss/heat gain calculations. (V)
7. Enter computer design data and compare results with long method calculations. (VI)
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MCCCD Official Course Outline:
 
HVA133   19956-20046 Residential Load Calculations
    I. Heat Load Factors
        A. Terminology
        B. Heat load factor and measurement
        C. Latent heat factors
        D. External loads
          1. Heat transmission
          2. Insulation
          3. Solar effect
          4. Roof ventilation
        E. Ventilation load
        F. Internal load
      II. Conduction Factors/Sources/Calculations
          A. Factors
            1. R
            2. K
            3. C
            4. U
          B. Sources
            1. Manuals J and N
            2. American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)
            3. Manufacturer's engineering data
        III. Building Construction
            A. Exterior walls
              1. Frame construction
              2. Masonry construction
            B. Interior walls and partitions
              1. Type of construction
              2. Location
              3. Conditioned or unconditioned area
            C. Floors and ceilings
              1. Basement construction
              2. Slab floor
              3. Vented and unvented attics
            D. Insulation
              1. Side walls
              2. Ceilings
              3. Floors
            E. Vapor barriers
          IV. Load Calculation
              A. Measuring for heat transmission
              B. Factors which affect heat loss
              C. Heat loss of a structure
              D. Duct heat loss
              E. Heat loss calculation procedures
                1. Short form
                2. Long form
              F. Factors which affect heat gain
              G. Heat gain of structure
              H. Duct heat gain
              I. Heat gain calculation procedures
              J. Heat transfer multipliers
              K. Heat gain through shaded and/or unshaded glass
              L. Summer and winter design and desired temperatures
              M. Blueprint reading
            V. Regulatory Agencies
                A. VA
                B. FHA
                C. Other
              VI. Computer Calculations
                  A. Data entry/long form
                  B. Compare results
                  C. Differences
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