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  2. Construction estimating software - Wikipedia

    en.wikipedia.org/wiki/Construction_estimating...

    Construction estimating software. Construction cost estimating software is computer software designed for contractors to estimate construction costs for a specific project. A cost estimator will typically use estimating software to estimate their bid price for a project, which will ultimately become part of a resulting construction contract.

  3. Cooling load temperature difference calculation method

    en.wikipedia.org/wiki/Cooling_load_temperature...

    The equations for the use of the data retrieved from these tables are very simple. Q= heat gain, usually heat gain per unit time. A= surface area. U= Overall heat transfer coefficient. CLTD= cooling load temperature difference. SCL= solar cooling load factor. CLF= cooling load factor. SC= shading coefficient.

  4. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    For very small buildings, contractors normally estimate the capacity and type of system needed and then design the system, selecting the appropriate refrigerant and various components needed. For larger buildings, building service designers, mechanical engineers, or building services engineers analyze, design, and specify the HVAC systems.

  5. Wrightsoft - Wikipedia

    en.wikipedia.org/wiki/Wrightsoft

    Wrightsoft is a software development firm for heating, ventilation, and air conditioning ( HVAC ). Established in 1985, [1] Wrightsoft has served residential, commercial, and educational markets by providing HVAC design, specification, and sales software. [2] Wrightsoft is headquartered in Lexington, Massachusetts, USA .

  6. Procore - Wikipedia

    en.wikipedia.org/wiki/Procore

    Revenue. US$ 1 billion (2023) [ 1] Net income. US$-96.2 million (2020) [ 1] Number of employees. 4,000+ (2024) [ 2] Website. www .procore .com. Procore Technologies is an American construction management software as a service company founded in 2002, with headquarters in Carpinteria, California .

  7. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [ 1][ 2] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs. The COP is used in thermodynamics .

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