HVAC (Heating Ventilation Air Conditioner) installation height adjusting instrument

The utility model relates to the technical field of heating ventilation air conditioner installation, in particular to a heating ventilation air conditioner installation height adjusting instrument, and solves the problems that in the prior art, installation height adjusting instruments used for heating ventilation air conditioners in the market are generally in a one-to-one mode in size and cannot be matched with heating ventilation air conditioner assemblies of different sizes in a one-to-many mode, and the installation height adjusting instruments cannot be used for adjusting the installation height of the heating ventilation air conditioners. And an adjusting instrument with a special size needs to be used for large-sized or small-sized components, so that the cost of height adjustment is increased. A heating ventilation air conditioner installation height adjusting instrument comprises a base, hydraulic cylinders are arranged at the four corners of the bottom of the base, installation grooves are formed