Fire up from below and try not to jump too high as that will put the camera in a bad position.

Requires:

"h_canNavigateHeatRooms"
{
  "enemyKill": {
    "enemies": [
      [
        "Kihunter (red)",
        "Kihunter (red)",
        "Kihunter (red)"
      ]
    ],
    "explicitWeapons": [
      "Super"
    ]
  }
}
{
  "or": [
    "canCarefulJump",
    {
      "heatFrames": 210
    }
  ]
}
{
  "or": [
    "h_canCrouchJumpDownGrab",
    "canWalljump",
    "HiJump",
    {
      "and": [
        "canSpringBallJumpMidAir",
        {
          "heatFrames": 120
        }
      ]
    },
    "SpaceJump",
    {
      "and": [
        "canIBJ",
        "h_heatProof"
      ]
    },
    {
      "and": [
        "canSpringBallBombJump",
        "h_additionalBomb",
        "h_additionalBomb",
        {
          "heatFrames": 250
        }
      ]
    }
  ]
}
{
  "heatFrames": 1300
}

Clears obstacles: A