The Heat Wave is the most common GP-AC seen in Armored Core. Known for its handheld bazooka rifle and quasi-reverse joint leg design, the Heat Wave has some interesting capabilities. Although the unit seems to have a blade on the right shoulder it is never seen using it. It also appears to have spikes on both shoulders. The Murakumo Escapee in Destroy Human Plus Escapee is known to have piloted a custom Heat Wave that could fly indefinitely, a trait not seen in the normal model.
- Bazooka Rifle
The Heat Wave appears in two levels in Armored Core: Destroy Plus Escapee and Destroy Base Computer. They also make a brief appearance in Armored Core: Project Phantasma in the mission Destroy Main Facility. It also appears in Armored Core Nexus: Revolution's remake of Destroy Human Plus Escapee and also Ambush Strike Team, the mission where the term General Purpose Armored Core comes from. Like all GP-ACs they are built and used by Murakumo Millennium
- The Heat Wave is the primary GP-AC type seen in the Armored Core: Nexus Revolution disc remake. It has shoulder shields similar to the Shiranui.
- Name comes from Armored Core concept art released in Armored Core: Nexus' Revolution Disk.
- They are one of two enemies to appear in more than one game in the Original Universe (not counting remakes), alongside the Stork. They appear in both the original Armored Core and Armored Core: Project Phantasma.