06/15/2026
Let's talk generators.
When the power goes out, most homeowners think about lights, the refrigerator, and maybe charging their phone. But for many homes, the single biggest electrical draw, and the system most likely to make a house unlivable during this time of year f it stops, is the heating and cooling system.
A whole-home Generac generator doesn't just keep the lights on. When it's properly sized and installed, it keeps your entire HVAC system running exactly as it would on a normal day. Here's how that actually works.
The Automatic Transfer Switch Is the Key!
The connection between your generator and your home's electrical panel is called an Automatic Transfer Switch (ATS). Think of it as the traffic controller for your home's power.
During normal operation, the ATS does nothing. Your home runs on utility power like always. The moment utility power drops, the ATS detects the outage (usually within seconds), signals the Generac unit to start, and then switches your home's electrical load from the utility line to the generator. When utility power returns, it switches back automatically and shuts the generator down.
For your HVAC system, this means there's no manual restart, no resetting the thermostat, and in most cases, no noticeable interruption in comfort. Your furnace, air handler, or heat pump simply keeps running and often the homeowner doesn't even realize the power went out until they check their phone.
A Generac generator and your HVAC system aren't separate purchases that happen to share a home...they're part of the same comfort and safety system. The right setup means that when the power goes out, your home doesn't notice- and you don't either!
Call us today to talk about getting your own back up power!
