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Types of heater: Gas

Types of heater: Gas . Why Use Gas-fired Heating Equipment. Most economical heating source Wide variety of equipment available Most common source of heating in all applications Available far into the future. Types of Gas Heating Equipment. Permanent, Direct-fired.

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Types of heater: Gas

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  1. Types of heater: Gas

  2. Why Use Gas-firedHeating Equipment • Most economical heating source • Wide variety of equipment available • Most common source of heating in all applications • Available far into the future

  3. Types of Gas Heating Equipment Permanent, Direct-fired • Roof top“Make-up air” style • No loss of energy out the flue vent • Low temperature discharge • Contained flame • Equipment out of the way

  4. Types of Gas Heating Equipment Temporary, Indirect-fired • Large physical size for amount of heat output • Contained flame • Requires venting - loss of energy • Limited uses • Lower discharge temperatures • Minimal clearance from combustibles

  5. Types of Gas Heating Equipment Temporary, Direct-fired • “Tube-type” style • Higher discharge temperatures, relative to CFM, with hot spots as high as 700°F • Open flame • Greater clearance from combustibles • Low CFM of air

  6. Types of Heating Equipment Temporary, Direct-fired • “Make-up air” style • Lower temperature raise, from 90°F low fire to 220°F high fire • Contained flame • Minimal clearance from combustibles • Expansive range of styles and sizes • Highest fuel efficiency

  7. Gas (Propane / Natural) Advantages • Least expensive energy cost • Propane at $.80/gallon = $8.64/1M BTU’s • Natural gas at $.50/therm = $5/1M BTU’s • Largest range of equipment available • Versatile & portable

  8. Gas (Propane / Natural) Advantages Con’t. • Low electrical requirement • 1M BTU unit = 460 volt/10 amp • Low installation cost • High temperature rise

  9. Gas (Propane / Natural) Disadvantages • Some codes may not allow gas fired equipment or propane • May not be safe to use in certain areas or buildings

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