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• 10 Popular Air Conditioner Types (With Pictures, Prices)

  There are several types of AC units. Ranging from 1-device stand-alone units (portable, window, floor) to 2-device split-system units (mini split ACs).

• CFM Calculator: How To Calculate CFM? (CFM Calculation + Charts)

  CFM or Cubic Feet per Minute is a unit for airflow we use in HVAC calculation. Most commonly, we need to calculate CFM for a room for fans, air purifiers, air conditioners, and so on. Example of a que...

• AC Tonnage Calculator: Insert Sq Ft, Get Tons (+ Chart)

  Before buying an air conditioner, you have to make the AC tonnage calculation. Not sizing an AC unit properly can cause $1,000s in wasted AC costs or future electricity costs. According to the DOE, “…...

• Insulation R-Value Chart: R-Values Per Inch (For 51 Materials) - LearnMetrics

  When thinking about insulation, the key metric you have to think about is the insulation R-value. As we have talked about in the post about types of insulations here different materials and types of i...

• Air Conditioner BTU Calculator (With AC BTU For Room Size Chart) - LearnMetrics

  “I have a 400 sq ft room with 9 ft ceiling height. Sweating at 84°F temperature, I get a lot of sun in South California. I need an air conditioner; what size AC I need? I’m interested in AC BTU for th...

• AWG To mm2 Chart + Calculator (0-40 AWG To mm2) - LearnMetrics

  Both AWG and mm2 are measures for the size of the wire, either diameter (AWG) or cross-section (mm2). AWG stands for American Wire Gauge and is directly connected with a diameter of a wire. From that ...