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Copyright © Texas Education Agency, 2011. All rights reserved. Basics of HVAC
What IS HVAC? Heating, Ventilation, and Air Conditioning Copyright © Texas Education Agency, 2011. All rights reserved.
What does it do? HVAC is an acronym for your indoor air quality, what you breathe, temperature, humidity -- in your house. So when you hear the term "HVAC" it means the entire air system of your home. Copyright © Texas Education Agency, 2011. All rights reserved.
HVAC Components The Furnace The Air Conditioning Unit(s). Evaporator Coils Condensing Unit Copyright © Texas Education Agency, 2011. All rights reserved.
How BIG Should It Be? Load Heating & Cooling Accuracy Design R, U Value Copyright © Texas Education Agency, 2011. All rights reserved.
Manufacturers Ruud Carrier Heil Honeywell Armstrong Coleman Many others… Copyright © Texas Education Agency, 2011. All rights reserved.
The Air Conditioning Unit An air conditioner is like a refrigerator without the insulated box. It evaporates a refrigerant, like Freon, to provide cooling. Most Air Conditioners Have: A compressor An expansion valve A hot coil (on the outside) A chilled coil (on the inside) Two fans A control unit Copyright © Texas Education Agency, 2011. All rights reserved.
What are BTWs and EERs BTU or British Thermal Units, are the amount of heat required to raise the temp. of one # of water, 1 degree fahrenheit. 1 ton= 12,000BTU. EER is Energy Efficiency Rating and tells you the BTU rating over the wattage. The higher the EER, the better the energy efficiency, but it will probably cost more. Copyright © Texas Education Agency, 2011. All rights reserved.
Furnace As part of the HVAC, the furnace heats the air that circulates in the home. The quality of air in the home can be influenced by how often you change the air filter on your unit. Usually the Air Conditioner is outside, and the furnace is in the attic or inside the house. The HVAC uses the same venting system for both. Copyright © Texas Education Agency, 2011. All rights reserved.
Spring 2006 Harvard Science, A 52 FHA+MBM Lecture 18, 1 Science A 52 Lecture 18; April 17, 2006 Refrigeration a)Technical background b)Visit to the Chilled.
Manufacturing Engineering Air Conditioning System Operations Copyright © Texas Education Agency, All rights reserved. 1.
How a Heat Pump Works By: Adam Meeker. What is a Heat Pump? A heat pump is a device which transfers heat energy from one place to another.
Air Conditioners and Heaters
Using Heat Part 2. Science Journal Entry 32 Explain the advantages and disadvantages of thermal expansion.
1 Summer Training On Refrigeration and Air Conditioning From:-Amber Enterprises PVT.LTD.
HVAC: heating, ventilating, and air conditioning this is a thermostat: it sends signals to the heating/cooling system.
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Geothermal Heat Pumps. How It Works Different from Geothermal Energy Uses the earth surface not center Finds an area at the earth’s surface that has a.
Heat Pumps Presentation by: Rana Itani. Objective To familiarize audience on the components of a heat pump and how it works.
Section 3 Using Heat.
Objectives When you have completed this session, you should be able to: 1.Explain the basic principles of heating, ventilation, air conditioning and refrigeration.
HVAC Heating, Ventilation and Air Conditioning -something that you never think about until it doesn’t work properly.
Facilities Management and Design Chapter 7 HVAC Systems.
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Refrigeration and Heat Pump Systems Refrigeration systems: To cool a refrigerated space or to maintain the temperature of a space below that of the surroundings.
Home Cooling EGEE 102. EGEE Pisupati2 Function of an Air conditioner.
Lecture Objectives: Specify Exam Time Finish with HVAC systems –HW3 Introduce Projects 1 & 2 –eQUEST –other options.
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