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Optimizing HVAC System Efficiency Through Seasonal Temperature Settings

This project examines the efficiency of an HVAC system across four seasons—winter, spring, summer, and fall—by analyzing optimal temperature settings and system runtime. The study incorporates various parameters such as user inputs (dimensions and types of windows, doors, and walls), along with key assumptions about temperature, density, and specific heat capacities. The results indicate that the HVAC system operates for different durations based on seasonal temperatures, highlighting the importance of optimizing settings to enhance energy efficiency and indoor comfort.

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Optimizing HVAC System Efficiency Through Seasonal Temperature Settings

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Presentation Transcript

  1. House Project Kyle Ehmke Darrin Ferry Brian Kaiser Ryan Lang Tim Rogers

  2. Introduction • Block Diagram • Inputs • Results • Conclusion

  3. Block Diagram

  4. Inputs • Assumptions • Qhvac • Twinter, Tspring, Tsummer, Tfall • DensityAir • MassThermal • CpAir, CpWood • Tdrop, Tmax • Tstay1, Tstay2 • Twakeup, Treturn • User Input • Length, Width, Height • WinNum, WinWidth, WinHeight • DoorWidth, DoorHeight • WindowType • DoorType • WallType

  5. Results

  6. Results

  7. Results During the winter, the HVAC system is running for 453 minutes. The optimal daytime temperature setting is 5 degrees C. During the spring, the HVAC system is running for 264 minutes. The optimal daytime temperature setting is 25 degrees C. During the summer, the HVAC system is running for 545 minutes. The optimal daytime temperature setting is 39 degrees C. During the fall, the HVAC system is running for 209 minutes. The optimal daytime temperature setting is 12 degrees C.

  8. Results

  9. Conclusion • Optimal temperature varies depending on outside temperature • Typically lowest or highest temperature allowed • Efficiency of windows, walls, door changes heating time dramatically

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