设计出不会让你再次烦恼的热泵改造方案

Variable capacity heat pumps aren’t the future anymore. Top contractors have been installing them for years. But the challenges are real: the comfort complaint in February, the humidity problem in July, the electric bill the homeowner didn’t expect. Almost all trace back to a decision made during the design process. This session walks through the mistakes that cause them, and how to catch each one before the equipment is installed, covering the Manual J loads, Total External Static Pressure, and…