Fire Elementals appear on the Material Plane as vaguely humanoid shaped beings of fire, with bright glowing eyes and a mouth that resembles a superheated furnace
You need to learn the Planar Summons (Air Elemental) Spell
Prerequisites
And
Or
You also need $500 of Magically/Alchemically Enhanced Insenses and Oils associated with Purity of Fire.
You also should use a Magic Circle or Medicine Lodge to ensure you don't get outside influences disrupting your summoning
Lesser Fire Elemental
This is a basic Fire Elemental with Minimal Attributes, Total 50 points (Cost 5)
Attributes: ST 6 [-40], DX 12 [+40], IQ 7 [-60], HT 8 [-20], HP 8
Secondary Characteristics: Size = SM-1, Enhanced Speed +1.75 [+35], Speed 6.75, Enhanced Move +4 [+20], Move 10. Dodge 9, Extra HP 1 [+2]
Advantages: Immunity to Metabolic Hazards [+30], Injury Tolerance (Diffuse) [+100], Flame Engulf L1 (1d, 2 Hex Area, Contact Agent)[+15], Innate Attack - Flame Jet L3 (½D = 5, Max = 10, Melee Jet)[+15], Flame Aura L1 (Always On, Burning Attack 1d, Aura, Melee Attack - Reach C)[+8]
Disadvantages: Vulnerability (Water, x3) [-45], Fragile (Unnatural) [-50]
Larger Fire Elemental
This is a Larger Fire Elemental with Tweaked Advantages, Total 80 points (Cost 8)
Attributes: ST 6 [-40], DX 12 [+40], IQ 7 [-60], HT 8 [-20], HP 9
Secondary Characteristics: Size = SM-1, Enhanced Speed +1.75 [+35], Speed 6.75, Enhanced Move +4 [+20], Move 10. Dodge 9, Extra HP 2 [+4]
Advantages: Immunity to Metabolic Hazards [+30], Injury Tolerance (Diffuse) [+100], Flame Engulf L2 (2d, 2 Hex Area, Contact Agent)[+30], Innate Attack - Flame Jet L4 (4d, ½D = 5, Max = 10, Melee Jet)[+20], Flame Aura L2 (Always On, Burning Attack 2d, Aura, Melee Attack - Reach C)[+16]
Disadvantages: Vulnerability (Water, x3) [-45], Fragile (Unnatural) [-50]
The above 2 are just examples, the costs can be tweaked within reason. Attributes have no limits except for Power Levels, same with the three innate attacks, adding HP, Speed, Move and Enhanced Dodge are viable within limits.