Learn the basics of HVAC Controls. What are Analog and Binary Inputs and Outputs used for? See how a Fan Coil System, VAV System and Garage Carbon Monoxide Control System Works. These HVAC systems are used to control temperature, pressure, humidity, flow, and air quality. In this video we’ll show you how these HVAC systems use various controls to respond to the needs of the environments that they seek to control.

💧How a Variable Air Volume System Works:    • How a Variable Air Volume VAV System ...  

⚡How Variable Frequency Drives Work in HVAC Systems:    • How Variable Frequency Drives Work in...  

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--------IMPORTANT VIDEOS TO WATCH---------

HVAC ENGINEERING and CALCULATIONS
💧How to Calculate Motor Break Horsepower:    • How to Calculate Motor Brake Horsepower  
💧Fan Laws, Calculate CFM, SP, RPM, HP:    • Fan Laws How to Calculate CFM BHP SP RPM  
💧How to Calculate Static Pressure and CFM:    • How to Calculate Static Pressure and CFM  
💧Condensate Piping Design and Sizing:    • Condensate Piping Design and Sizing  
💧How do you define a BTU or Tons of AC:    • What is a BTU or Ton of Air Conditioning  
💧Sensible Heat Transfer Equation for Water:    • Sensible Heat Transfer Equation for W...  
💧Sensible Heat Transfer Equation for Air:    • Sensible Heat Transfer Equation for Air  
💧Sensible and Latent Heat Transfer Formula for Air:    • Sensible and Latent Heat Transfer For...  

CHILLERS and COOLING TOWERS
💧How Chillers Work, Air-Cooled & Water-Cooled:    • How Air and Water Cooled Chillers Work  
💧Chiller IPLV Calculation:    • Chiller IPLV Calculation  
💧Calculate Total BTU of Chiller or Coil:    • How to Calculate Total BTUH of a Chil...  
💧Calculate GPM or TDH of Chiller or Coil:    • How to calculate GPM or TDH for a Coi...  
💧How Cooling Towers Work, Crossflow vs Counterflow:    • How Cooling Towers Work Counterflow v...  

REFRIGERATION and REFRIGERANTS
💧How Electronic Expansion Valves Work:    • How Electronic Expansion Valves Work  
💧Refrigeration Cycle:    • Refrigeration Cycle 101  
💧Refrigerant Piping Insulation:    • Refrigerant Piping Insulation Require...  
💧New Refrigerants, Codes and Standards:    • New Refrigerants Codes and Standards  

HVAC SYSTEMS
💧How a Variable Air Volume System Works:    • How a Variable Air Volume VAV System ...  
💧Rooftop Packaged HVAC Units Explained:    • Rooftop Packaged HVAC Units Explained  
💧How Heat Pumps Work:    • How Heat Pumps Work Air and Water Cooled  
💧How a Condensing Boiler Works:    • How a Condensing Boiler Works  

ESTIMATING
💧HVAC Piping Unit Pricing:    • HVAC Piping Unit Pricing  
💧HVAC Equipment Cost Database:    • HVAC Equipment Cost Database  
💧MEP Estimating Spreadsheet:    • HVAC and Plumbing Construction Estima...  
💧Construction Labor Rates with Burden:    • How to Figure Construction Labor Rate...  

HYDRONICS and PIPING
💧How to Read Pump Chart and Select Pump:    • How to Read Pump Chart and Select Pump  

BUSINESS – CONSTRUCTION & CONTRACTING
💧Bid Bonds and Performance Bonds:    • Construction Bid Bond with Performanc...  
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💧Top 12 Construction Bidding Websites:    • Top 12 Construction Bidding Websites  

CONSTRUCTION BASICS
💧General Layout of Construction Drawings:    • General Layout of Construction Drawings  
💧How to Read Specifications:    • How to Read Construction Specifications  

ELECTRICAL and CONTROLS
⚡How Variable Frequency Drives Work in HVAC Systems:    • How Variable Frequency Drives Work in...  
⚡How a Power Factor Works:    • How a Power Factor Works  
⚡Ohms Law:    • Ohm's Law  
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VARIABLE REFRIGERANT FLOW
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