There’s nothing quite like hitting the open road in your RV, exploring new places, and enjoying the freedom of travel. But let’s be real, when the sun is blazing and the temperatures soar, a working air conditioner isn’t just a luxury – it’s a necessity! Keeping your RV cool often requires a powerful generator, and finding the best generator for RV air conditioner can feel like a daunting task, often leading you towards big, heavy, and noisy units.
That’s where soft start kits come in, completely changing the game. These ingenious devices drastically reduce the massive power surge an RV air conditioner demands when it first kicks on. This means you can often run your AC unit with a much smaller, quieter, and more fuel-efficient generator than you ever thought possible. If you’ve been struggling with tripped breakers, dimming lights, or the need for a monster generator, a soft start kit is your ticket to a cooler, more comfortable RV experience.
In this article, we’re diving deep into the world of soft start technology. We’ll explain what these devices do, why they’re a game-changer for RVers, and review the top 5 soft start kits available today. Get ready to learn how these clever gadgets can effectively make a smaller, more portable unit the best generator for RV air conditioner for your setup.
What is an RV AC Soft Start Kit and Why Do You Need One?
Imagine plugging a massive vacuum cleaner into a light socket. When you flip the switch, there’s a sudden, huge demand for power that might even trip a circuit breaker. Your RV air conditioner’s compressor is a bit like that vacuum cleaner, especially at startup. It needs a massive burst of electricity, known as “inrush current,” to get going. This inrush current can be 3-7 times its normal running current!
This sudden power demand is problematic for smaller generators, limited shore power connections, or even your RV’s inverter. It can cause voltage drops, stress your electrical system, and frequently trip breakers or overload your generator, preventing your AC from starting at all.
An RV AC soft start kit is designed to mitigate this problem. It’s a smart electronic device installed onto your AC unit’s compressor that “learns” its startup characteristics. Instead of letting the full inrush current hit all at once, the soft start kit gradually ramps up the voltage and current to the compressor. This smooth, controlled startup significantly reduces the peak power draw, typically by 65-75%.
The benefits of installing a soft start kit are huge for RVers:
- Use Smaller Generators: This is the big one! You can often run a 13,500 or even 15,000 BTU AC with a 2,000-2,200 watt inverter generator, which are far more portable, quieter, and fuel-efficient than the 3,500+ watt generators previously required. This dramatically expands your options for finding the best generator for RV air conditioner to suit your lifestyle.
- Reduce Stress on Electrical Systems: Less strain on your generator, inverter, and RV wiring means a longer lifespan for all your components.
- Quieter Operation: No more loud thumps and shakes when your AC kicks on. The soft start makes for a much smoother and quieter initial startup.
- Prevent Tripped Breakers: Say goodbye to frustrating power interruptions at campgrounds with limited shore power.
- Extended AC Lifespan: Gentle startups reduce mechanical stress on your AC compressor.
- Run More Appliances: With less power allocated to AC startup, you’ll have more available wattage to run other essential appliances simultaneously.
Our Top 5 Soft Start Kits for Your RV Air Conditioner Generator Setup
Let’s dive into the best soft start kits that can help you get the most out of your generator, making it the perfect partner for your RV AC.
MICRO-AIR EasyStart FLEX 398 – Bluetooth Soft Start Kit with Installation Kit
The Micro-Air EasyStart FLEX 398 with its comprehensive installation kit is a standout for those looking for a premium, versatile solution. This advanced soft starter is engineered to provide a controlled, gentle startup for AC units, drastically cutting down on mechanical stress and extending your system’s life. What truly sets this version apart is the inclusion of an installation kit, making it an even more accessible and optimal choice for both residential and RV applications. It’s designed specifically with generator and inverter compatibility in mind, ensuring your AC runs smoothly even on limited power sources, ultimately helping you pick the best generator for RV air conditioner that fits your needs.
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Key Features:
- Advanced Micro-Air Technology for controlled, gentle startups.
- Includes a full installation kit for easy setup.
- Reduces AC startup current by up to 75%.
- Compatible with generators, inverters, and limited utility power.
- Supports AC systems up to 6 tons (72,000 BTUs), suitable for various RVs.
- Bluetooth connectivity for monitoring and diagnostics.
- Intelligent fault detection and short-cycle delay timer for compressor protection.
- Compact design for fitting into tight spaces.
- Reduces startup noise and prevents light flickering.
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Pros:
- Comprehensive installation kit included.
- Bluetooth monitoring adds convenience and diagnostic capabilities.
- Highly effective at reducing inrush current.
- Universal compatibility with various AC units and power sources.
- Robust protection features for compressor longevity.
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Cons:
- Higher price point compared to some other options.
- Installation, while guided, may still require basic electrical knowledge.
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User Impressions: RVers rave about the EasyStart’s ability to transform their generator capabilities, allowing them to run larger AC units on smaller generators than previously thought possible. The Bluetooth feature is a big hit for easy monitoring, and many appreciate the quiet operation and peace of mind from compressor protection. The included kit is a bonus for DIYers.
MICRO-AIR EasyStart FLEX 398 – Bluetooth Soft Start Kit (Unit Only)
Essentially the same high-performance soft start unit as above, this version of the Micro-Air EasyStart FLEX 398 is perfect if you already have the necessary installation tools or prefer to source your own wiring and connectors. It still boasts the same advanced Micro-Air technology, offering a significant reduction in startup current for your RV AC unit. This allows you to leverage smaller generators and inverters, ensuring your air conditioning system operates efficiently and quietly without overburdening your power source. It’s a smart investment for extending your AC’s lifespan and optimizing your power usage, making your current generator the best generator for RV air conditioner capability.
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Key Features:
- Advanced Micro-Air Technology for controlled, gentle startups.
- Reduces AC startup current by up to 75%.
- Compatible with generators, inverters, and limited utility power.
- Supports AC systems up to 6 tons (72,000 BTUs), making it versatile for many RVs.
- Bluetooth connectivity for monitoring and diagnostics.
- Intelligent fault detection and short-cycle delay timer.
- Compact design (50% smaller enclosure) for easy fitting.
- Reduces startup noise and prevents light flickering.
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Pros:
- Excellent performance in reducing startup current.
- Bluetooth functionality for remote monitoring.
- Robust protection features for the AC compressor.
- Versatile for home, RV, and commercial applications.
- Smaller footprint for easier installation in tight spots.
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Cons:
- Does not include an installation kit, requiring separate purchase of wiring/connectors.
- Premium price point.
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User Impressions: Users consistently praise the EasyStart FLEX 398 for its effectiveness in enabling smaller generators to power large RV ACs. The quiet startup and reduced strain on their electrical systems are frequently highlighted. While the lack of an included kit means sourcing your own parts, many DIYers find it a minor hurdle for the performance benefits.
Softstart RV Air Conditioning 20 Amp Rating; 115 VAC; Plug and Play
For those who prioritize ease of installation, the ActiveStart SoftStart 20 Amp Plug and Play unit is a dream come true. This device stands out with its incredibly simple setup: no complicated wiring diagrams or modifications are needed. You simply plug it in, and you’re ready to go! It’s designed to allow you to run multiple RV air conditioners on a single generator or limited power supply, smoothly ramping up power to reduce strain and extend the life of your AC unit. This unit is all about hassle-free comfort, making your power setup more robust without the headache of complex electrical work.
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Key Features:
- Plug-and-play installation for extreme ease of use.
- 20 Amp rating, 115 VAC compatibility.
- Enables running up to 4 RV AC units on a single generator (with multiple SoftStarts).
- Smooth soft start reduces strain on the electrical system.
- Versatile compatibility with RV, camper, and other HVAC systems.
- Designed with high-quality, durable materials.
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Pros:
- Incredibly easy, tool-free installation.
- Allows running multiple ACs on smaller power sources (when multiple units are installed).
- Reduces wear and tear on AC and generator.
- Versatile for various applications beyond just RVs.
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Cons:
- May not offer the same level of advanced diagnostics as Bluetooth-enabled units.
- “Plug and Play” typically means it’s external to the AC unit, potentially less discreet.
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User Impressions: The overwhelming feedback for this ActiveStart unit revolves around its “plug and play” simplicity. Users love that they don’t need to be an electrician to install it and immediately notice the difference in AC startup. It’s often recommended for RVers who want instant results without any fuss.
SoftStartRV Soft Start for RV Air Conditioner, RV AC Soft
The SoftStartRV unit is a popular choice known for its compact design and strong performance, specifically tailored for the RV lifestyle. Now 40% smaller, it’s designed to fit even low-profile RV A/C units, making it highly adaptable. This kit empowers RVers to start two ACs on a 30-amp hookup or a single AC on a small generator or 15-amp circuit, effectively turning a modest power source into a mighty one. It’s built tough with 100% waterproof construction and aims to significantly reduce compressor noise, ensuring a quieter, more peaceful RV experience while outfitting you with the best generator for RV air conditioner scenarios.
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Key Features:
- 40% smaller design to fit all low-profile RV A/C units.
- Enables starting two A/Cs on 30-amp, or one on a small generator/15-amp.
- 100% waterproof construction.
- Reduces compressor noise and vibrations for quieter operation.
- Supports running multiple appliances with low power.
- Works with 2200W generators for up to 36,000 BTUs (including 15,000 BTU rooftop AC).
- Offers easy guides, tutorials, and live technician support.
- 30-day satisfaction guarantee.
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Pros:
- Ultra-compact and waterproof, ideal for RV environments.
- Excellent support resources and satisfaction guarantee.
- Significantly reduces noise and vibrations.
- Enables simultaneous use of AC and other appliances.
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Cons:
- Requires wiring into the AC unit, not a simple plug-and-play.
- Price can be a consideration for some budgets.
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User Impressions: SoftStartRV receives high marks for its effectiveness and the outstanding customer support provided. Users appreciate the detailed installation guides and the availability of live technicians. The reduced noise and ability to run their AC on smaller generators (like a Honda 2200) are frequently cited as major advantages.
Soft Start Kit for RV Air Conditioner, GlymXia RV Soft
The GlymXia RV Soft Start Kit aims to offer a balance of ease of use, robust protection, and powerful performance. It boasts a “plug-and-play” installation concept that requires zero technical skills, promising a 30-minute setup with clear instructions and video guides. This kit is designed to intelligently regulate peak startup power, cutting the AC startup current by 65-70% (e.g., from 30A to just 10A). This allows a 15,000 BTU AC to run comfortably with compact generators (1500W-2200W). Beyond cooling, it features smart protection against over-voltage, over-current, and short-circuits, extending your AC’s life by up to 30%. It’s a solid choice for those seeking reliability and ease, making it a strong contender for enabling the best generator for RV air conditioner use.
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Key Features:
- Plug-and-play installation with video guide, requiring zero technical skills.
- Compatible with most mainstream RV AC models.
- Built-in smart protection (over-voltage, over-current, short-circuit).
- Reduces AC startup current by 65-70% (e.g., 30A to 10A).
- Enables 15,000BTU ACs to run on 1500W-2200W portable generators.
- Allows running AC + other appliances simultaneously.
- Dustproof casing and anti-corrosion wiring for durability.
- 12-month manufacturer’s hassle-free support.
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Pros:
- Extremely easy plug-and-play installation.
- Comprehensive smart protection for devices and generator.
- Highly effective at reducing startup current.
- Durable construction for harsh RV conditions.
- Good warranty and support.
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Cons:
- “Plug-and-Play” might still involve opening the AC unit, depending on interpretation.
- Requires a few learning cycles to reach maximum effect.
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User Impressions: Customers frequently commend the GlymXia kit for its straightforward installation and immediate impact on generator performance. They appreciate being able to run their AC with smaller, quieter generators and the added peace of mind from the built-in protection features. The video guide is particularly helpful for first-time installers.
Frequently Asked Questions (FAQs)
Q1: What exactly does an RV AC soft start kit do?
A1: An RV AC soft start kit is an electronic device that reduces the sudden surge of electricity (called “inrush current”) when your air conditioner’s compressor first kicks on. Instead of drawing a massive amount of power all at once, it gradually ramps up the power, making the startup much smoother and less demanding on your generator or electrical system.
Q2: How does a soft start kit help me use a smaller generator for my RV AC?
A2: By significantly reducing the peak startup current, a soft start kit allows a smaller generator (like a 2,000-2,200 watt inverter generator) to handle the power demands of a 13,500 BTU or even 15,000 BTU RV air conditioner. Without a soft start, these AC units would typically overload smaller generators, causing them to trip or stall. This widens your options for finding the best generator for RV air conditioner needs.
Q3: Is installing a soft start kit difficult? Do I need an electrician?
A3: Installation difficulty varies by product. Some are designed as “plug-and-play” or come with comprehensive kits and video guides for DIY enthusiasts. Others require some basic electrical knowledge and comfort with wiring inside your AC unit. While many RVers successfully install them themselves, if you’re uncomfortable with electrical work, it’s always wise to consult a certified RV technician.
Q4: Can I run other appliances simultaneously with my AC using a soft start kit and a small generator?
A4: Yes, that’s one of the major benefits! With the reduced startup current for your AC, your generator has more available wattage to power other appliances like microwaves, refrigerators, TVs, or lights. Always ensure the total running wattage of all your devices doesn’t exceed your generator’s continuous output capacity.
Q5: Will a soft start kit extend the life of my RV air conditioner?
A5: Absolutely! The harsh, sudden jolt of electricity during a traditional startup puts significant mechanical stress on your AC compressor. A soft start kit ensures a gentle, controlled startup, which reduces wear and tear on the compressor motor and other components, potentially extending the lifespan of your entire AC unit.
Q6: Are soft start kits compatible with all RV air conditioners?
A6: Most soft start kits are designed to be broadly compatible with the majority of single-phase RV AC units. However, it’s crucial to always check the specific product’s compatibility list or specifications. Some kits may have limitations regarding BTU size, voltage, or specific compressor types (e.g., 2-stage compressors).
Q7: Do soft start kits really make my RV AC quieter?
A7: While they don’t quiet the AC during its normal running cycle, they do significantly reduce the initial “thump” or loud growl often associated with the compressor kicking on. This results in a much smoother and quieter startup experience, which can make a big difference, especially at night.
Conclusion
Finding the best generator for RV air conditioner use doesn’t have to mean investing in a massive, fuel-guzzling beast. Soft start kits have revolutionized how RVers power their cooling systems, making smaller, quieter, and more portable generators a viable option for even large AC units. By intelligently managing the startup current, these clever devices protect your AC, extend its life, and free up valuable wattage for other appliances.
Whether you’re boondocking off-grid or enjoying a campground with limited power, a soft start kit is an invaluable upgrade for any RV owner. Review the options we’ve presented, consider your installation comfort level, and get ready to enjoy a cooler, more efficient, and stress-free RV adventure.
Stay cool on your next journey – your AC and your wallet will thank you!
