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2. Best HVAC Systems 2024: Energy Efficiency and Cost Savings - AOL

   www.aol.com/news/best-hvac-systems-2024-energy...

   Cost Efficiency: Advanced HVAC systems are more energy-efficient, which significantly lowers electricity bills. Automated adjustments and smart thermostats avoid unnecessary energy use, making ...

3. 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.

4. Heating, ventilation, and air conditioning - Wikipedia

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

   The three major functions of heating, ventilation, and air conditioning are interrelated, especially with the need to provide thermal comfort and acceptable indoor air quality within reasonable installation, operation, and maintenance costs. HVAC systems can be used in both domestic and commercial environments.

5. Glossary of HVAC terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_HVAC_terms

   Glossary of HVAC terms. HVAC (heating, ventilation, and air conditioning) is a major sub discipline of mechanical engineering. The goal of HVAC design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency. The discipline of HVAC includes a large number of specialized ...

6. Seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/Seasonal_energy_efficiency...

   The energy efficiency ratio (EER) of a particular cooling device is the ratio of output cooling energy (in BTUs) to input electrical energy (in watt-hours) at a given operating point. EER is generally calculated using a 95 °F (35 °C) outside temperature and an inside (actually return-air) temperature of 80 °F (27 °C) and 50% relative humidity.

7. Cost estimate - Wikipedia

   en.wikipedia.org/wiki/Cost_estimate

   A cost estimate is the approximation of the cost of a program, project, or operation. The cost estimate is the product of the cost estimating process. The cost estimate has a single total value and may have identifiable component values. A problem with a cost overrun can be avoided with a credible, reliable, and accurate cost estimate.