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2. Sheet Metal and Air Conditioning Contractors' National ...

   en.wikipedia.org/wiki/Sheet_Metal_and_Air...

   The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [1] in 103 chapters [2] throughout the United States, Canada, Australia and Brazil.

3. 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.

4. Air Conditioning, Heating and Refrigeration Institute - Wikipedia

   en.wikipedia.org/wiki/Air_Conditioning,_Heating...

   The Air Conditioning, Heating, and Refrigeration Institute (AHRI), formed in 2008 by a merger of the Air-Conditioning and Refrigeration Institute (ARI) and the Gas Appliance Manufacturers Association (GAMA), is a North American trade association of manufacturers of air conditioning, heating, and commercial refrigeration equipment. [1]

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [2] [3] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). [4]

6. Acclaimed singer bludgeoned to death by daughter in her own ...

   www.aol.com/adult-daughter-bludgeons-mother...

   Police in Willingboro Township found Kim Beacham-Hanson, 57, dead from multiple blunt injuries allegedly delivered by her daughter, 32-year-old Breanna Beacham.

7. With this masterful job, it's time for Mike Tomlin to finally ...

   www.aol.com/sports/masterful-job-time-mike...

   The Baltimore Ravens lined up for a 2-point conversion and the tie last Sunday against the Pittsburgh Steelers.First place in the AFC North was at stake. Only 1:06 remained in the game. The Ravens ...