If you’ve spent time in RV forums or talked to fellow campers, you’ve probably heard people mention a “soft start” device for RV air conditioners. A soft start is an electronic component installed on the compressor to reduce the surge of electricity that occurs when the AC kicks on.
It’s easy to assume that an RV AC without a soft start might struggle or be less reliable. But here’s the truth: a modern RV air conditioner can work perfectly well without one. Let’s break down why.
1. Modern RV ACs Are Built Smarter
Today’s RV air conditioners are designed with improved compressor technology, better efficiency, and optimized circuitry. This means:
①They handle startup loads more effectively.
②They can run smoothly on standard RV electrical systems without needing extra devices.
In other words, the “big power surge” issue that soft starts were designed to solve is far less of a concern with newer models.
2. Standard RV Power Is More Than Enough
Most RV setups already provide plenty of power:
①30-amp or 50-amp shore power connections at campgrounds
②Onboard generators or inverters with sufficient wattage
These sources are more than capable of handling the startup surge of an RV AC. As long as you’re using the standard power options designed for RVs, your air conditioner will run reliably—even without a soft start.
3. Soft Start = Nice-to-Have, Not a Must-Have
That’s not to say soft starts don’t have benefits. They can be useful in specific situations, such as:
①Running your AC with a small portable generator (under 2,000 watts)
②Plugging into a 15-amp household outlet
③Trying to run multiple appliances at once on a limited circuit
In these cases, a soft start makes the power draw more manageable. But for most RVers, these scenarios are the exception, not the rule.
4. What This Means for You
①If you mainly use campground power or a full-sized generator: your AC will perform just fine without a soft start.
②If you rely on smaller power sources: you may consider adding one as an upgrade, but it’s optional—not essential.
Final Takeaway
A soft start is a helpful accessory in some setups, but it’s not a requirement for an RV air conditioner to operate properly. Modern ACs are engineered to run reliably on the power systems most RVers already use.
Ready to Stay Cool on the Road?
Whether you’re hooked up to campground power or running on a generator, our RV air conditioners are built to deliver reliable cooling—without the need for a soft start device.
Explore Our RV Air Conditioners and find the model that best fits your rig.
