Fixing device for installation of heating ventilation air conditioner

The utility model discloses a fixing device for installation of a heating ventilation air conditioner, which relates to the technical field of installation of the heating ventilation air conditioner and comprises a base, two sliding grooves which are symmetrically distributed are slidably clamped in the base, two sliding blocks which are symmetrically distributed are slidably clamped in the two sliding grooves, and second installation holes are formed in the four sliding blocks. A transverse adjusting assembly is installed in the base, a longitudinal adjusting assembly is installed in the base, and the transverse adjusting assembly is arranged, so that the purpose that two sliding grooves are adjusted to proper positions in a sliding mode through the transverse adjusting assembly according to the length of the heating ventilation air conditioner outdoor unit is achieved; therefore, the purpose that the sliding blocks in the sliding grooves can be adjusted to proper positions through the longitudinal adjusting