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2. 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.

3. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   Although higher cost heat pumps can be more efficient a 2024 study concluded that for the UK "from an energy system perspective, it is overall cost-optimal to design heat pumps with nominal COP in the range of 2.8–3.2, which typically has a specific cost lower than 650 £/kWth, and simultaneously to invest in increased capacities of renewable ...

4. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   For example, an air-to-water heat pump that produces 6kW at a SCOP of 4.62 will give over 4kW of energy into a heating system for every kilowatt of energy that the heat pump uses itself to operate. When used for space heating, heat pumps are typically more energy-efficient than electric resistance and other heaters.

5. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   The initial cost can be two to five times that of a conventional heating system in most residential applications, new construction or existing. In retrofits, the cost of installation is affected by the size of the living area, the home's age, insulation characteristics, the geology of the area, and the location of the property.

6. This Is Our Most Saved Casserole Of 2024

   www.aol.com/most-saved-casserole-2024-142054847.html

   This easy vegetable casserole is unlike anything you've ever seen—or tasted—before.

7. College Football Playoff Round 1 Overreaction: home field ...

   www.aol.com/sports/college-football-playoff...

   On this week's overreaction pod, Dan Wetzel Ross Dellenger and SI's Pat Forde acknowledge what led to home teams handedly winning each matchup. They cover how offensive line and defensive line ...