SoftStartRV Review for RV Air Conditioners: Worth It? (October 2026)
The SoftStartRV Soft Start suits RV owners who want to lower air conditioner startup demand, including those considering a small generator. Check your AC model and installation needs before choosing it over the Micro-Air or Coleman-Mach options.
On this page (7 sections)
- The SoftStartRV review at a glance
- What should you check before buying a SoftStartRV?
- How does SoftStartRV compare with the alternatives?
- Is SoftStartRV suitable for a small generator?
- What should you know about installation?
- When is another RV soft start a better fit?
- Is the SoftStartRV worth considering?
The SoftStartRV Soft Start is a strong fit for RV owners who want to reduce air conditioner startup demand, especially when they hope to use a smaller generator. SoftStartRV says the kit works with a 2200W generator and rooftop ACs up to 15,000 BTU.
Its broad stated use, waterproof design and installation support make it the top pick here. Confirm compatibility with your exact AC model before buying, and compare the Micro-Air and Coleman-Mach options if their fit or features better match your setup.
The SoftStartRV review at a glance
The SoftStartRV kit focuses on lower-demand AC startup, broad RV use and setup help. Its product details describe compatibility with low-profile units and say it can help start two ACs on 30-amp service, or one AC with a small generator or 15-amp supply.
SoftStartRV Soft Start for RV Air Conditioner: Best for broad RV AC use
- For rooftop AC up to 15,000 BTU
- Maker says it works with a 2200W generator
- Waterproof
A broad-use option for RV owners looking to reduce startup demand and use a smaller generator. SoftStartRV also offers installation guides and live support.
Pros
- Maker says it can work with a 2200W generator
- Designed for low-profile RV AC units
- Waterproof design
- Guides and live support are available
Cons
- Confirm compatibility with your exact air conditioner
- Installation still requires access to the AC wiring
We compared the stated features and fit of three RV soft starts. Our score weighs specs, features and buyer feedback against what you’re shopping for.
SoftStartRV scores highest because its stated use covers several common RV power situations, and it includes installation guidance and live support. The Micro-Air alternative has a higher stated AC capacity and built-in fault diagnostics, while the Coleman-Mach kit names a narrower set of compatible AC series.
What the SoftStartRV claims mean for your setup
SoftStartRV says its technology can let an AC start with less available power, including with a 2200W generator. That can matter when you have limited campground service or want to avoid bringing a larger generator.
The brand also says its soft start reduces compressor noise and vibration during startup. Treat this as a product feature to compare, not a guarantee that every AC will sound the same after installation.
What should you check before buying a SoftStartRV?
Check your AC model, power source and installation plan first. A soft start needs to match the air conditioner and wiring arrangement you have, and lower startup demand doesn't increase the power source's total capacity.
Find your AC's model number and cooling capacity, then compare them with the kit's stated fit. If you can't confirm compatibility from the information available, contact SoftStartRV or your AC manufacturer before ordering.
Next, think about what you're trying to run. If your goal is starting an AC on a smaller generator, account for other loads such as a microwave, refrigerator or battery charger; they can affect how much power is available at the same time.
Our guide to what a soft start does for an RV AC explains the basic function and trade-offs. For a broader look at other loads, see how many amps an RV uses.
How does SoftStartRV compare with the alternatives?
Choose SoftStartRV for broad stated use and live installation support. Choose Micro-Air if its stated capacity or diagnostics suit your AC, and consider Coleman-Mach if you have one of the named compatible series.
| Product | Stated fit | Standout detail | Score |
|---|---|---|---|
| SoftStartRV Soft Start for RV Air Conditioner | Rooftop AC up to 15,000 BTU; low-profile units | Maker says it works with a 2200W generator; live support | 9 |
| Micro-Air EasyStart Breeze 399 | Most rooftop ACs up to 18,000 BTU | Built-in fault diagnostics | 8.6 |
| MACH Coleman Soft Start Kit 1497-3601 | Coleman-Mach Series 45000, 47000 and 48000 | 2-year limited warranty | 7.8 |
SoftStartRV vs. Micro-Air EasyStart Breeze
SoftStartRV has the higher score in this review, with stated compatibility up to 15,000 BTU and installation help by guides, tutorials and live support. Micro-Air states a broader capacity of most rooftop ACs up to 18,000 BTU and includes built-in diagnostics for overcurrent, stall conditions and low voltage drops.
Both are options to compare when you want an AC soft start for lower-power operation. Check your AC's exact model and the features that matter most to you before choosing.
SoftStartRV vs. Coleman-Mach 1497-3601
The Coleman-Mach kit is the more specific choice: it fits Coleman-Mach Series 45000, 47000 and 48000. It also states up to 75% inrush reduction and includes a 2-year limited warranty.
SoftStartRV describes a wider set of RV use cases, including low-profile AC units and generator operation. If your AC is one of the named Coleman-Mach series, verify that exact fit before deciding whether the targeted kit is a better match.
Is SoftStartRV suitable for a small generator?
SoftStartRV says its kit can help run an AC with a 2200W generator, including rooftop units up to 15,000 BTU. That makes it relevant if reducing generator size or noise is part of your plan.
The claim doesn't mean every RV setup will run every appliance at once. Generator output, AC model, altitude, heat and other connected loads can affect available power, so check the generator manual and AC requirements.
Consider your usual routine before buying. If you run the AC while also using a microwave or other high-draw appliance, you may need to manage those loads even with a soft start installed.
For battery-based operation, a soft start is only one part of the power system. Read whether an RV AC can run on battery power before planning an off-grid setup.
What should you know about installation?
SoftStartRV offers guides, tutorials and live support to help with setup. The company also says certified technicians can provide free assistance.
Installation involves the air conditioner, so read the instructions for both the soft start and your AC before starting. If you're not comfortable working with electrical wiring, ask a qualified RV technician to install it.
Confirm the unit's position and cable routing during planning. The kit is described as 40% smaller than earlier versions to fit low-profile AC units, but you should still verify that the space and wiring in your particular unit work.
When is another RV soft start a better fit?
Micro-Air may be a better fit if your rooftop AC is above 15,000 BTU but within its stated compatibility range, or if you want built-in diagnostics. The Breeze 399 is described for most rooftop AC models up to 18,000 BTU and includes a 40-inch harness with color-coded wiring.
The Coleman-Mach kit may make more sense if you own a Series 45000, 47000 or 48000 AC. Its named fit and 2-year limited warranty give you specific details to check against your equipment.
Don't choose by brand name alone. Match the kit to your AC model, then compare support, diagnostics, warranty and the power situation you want to improve.
Is the SoftStartRV worth considering?
SoftStartRV is worth considering if you want a broadly described RV AC soft start with setup support. Its stated compatibility includes low-profile AC units and rooftop ACs up to 15,000 BTU, and the brand says it can help run an AC on a 2200W generator.
Pick Micro-Air if its higher stated AC capacity or fault diagnostics fit your needs. Pick Coleman-Mach if your AC is in the specified series; before buying any of them, verify the exact model match and follow the installation guidance.
For more context on campground power, read what RV surge protector you need. A surge protector and a soft start address different parts of an RV power setup.
Frequently asked questions
What does the SoftStartRV do?
SoftStartRV reduces the initial power demand when an RV air conditioner starts, according to the brand. That can help owners who want to run an AC with a smaller generator or share limited power with other appliances, but the result depends on the AC and power source.
Will SoftStartRV work with a 2200W generator?
SoftStartRV says its kit can power a rooftop AC up to 15,000 BTU with a 2200W generator. Generator capacity and other loads still matter, so check the generator and air conditioner guidance before relying on that setup.
Can I install SoftStartRV myself?
SoftStartRV offers installation guides, tutorials and live support, including help from certified technicians. Whether you should do the work yourself depends on your comfort with AC wiring and the instructions for your specific air conditioner.
How does SoftStartRV compare with Micro-Air EasyStart Breeze?
SoftStartRV is described for rooftop ACs up to 15,000 BTU and offers guides and live support. Micro-Air states compatibility with most rooftop units up to 18,000 BTU and includes built-in fault diagnostics; compare your AC model and the features you need.
