Q&A: How AI is Affecting Commercial HVAC Systems

This news is about large commercial buildings, not individual houses, but it's worth knowing where heating and cooling technology is headed. Two HVAC industry executives discussed how artificial intelligence is being used to run building heating and cooling systems. Rather than just following fixed temperature settings, AI-based controls can aim for a comfort target that combines temperature and humidity, then choose the most efficient way to reach it. In one example, a company using Johnson Controls' system cut airside energy use by nearly 10 percent at an office building without any comfort complaints from occupants.

The executives note that older, simpler equipment, like units that only switch on or off, can't take full advantage of this kind of smart control. Getting real benefit requires equipment with variable-speed parts and more built-in sensors. They also said safety and comfort limits are still enforced by the equipment itself, so the software can't push a system past safe operating ranges or sacrifice comfort just to save energy.

For technicians, AI-connected systems can flag unusual equipment behavior before a service visit, giving a clearer idea of what's wrong once they arrive. The people interviewed expect this trend to continue, with building systems coordinating with each other and smart heat pumps becoming a more common alternative to larger commercial cooling setups. None of this changes how a home heating or cooling system works today, but it shows the direction the broader industry is moving.