The disclosure discloses a multi-type air conditioner system including: an outdoor machine, a refrigerant pipe connected with an output end of the outdoor machine, a manifold connected with an input end of the refrigerant pipe, an indoor machine connected with an output end of the refrigerant pipe, and a controller connected respectively with the outdoor machine and the indoor machine through a shielded signal line, wherein the multi-type air conditioner system may further include: a pipe set including a composite pipe, a third cutoff valve, a third filter, a third electronic expanding valve, a fourth cutoff valve and a pipe control board. With the disclosure, heating can be provided by precisely controlling indoor temperature and effectively lower power consumption.