MICRO-AIR EasyStart FLEX 398 – Bluetooth Soft Start Kit for Home Air Conditioner, RV & Commercial Use, Works with Generators, Reduces Power Surge, Efficient Start-Up – Up to 6 Tons w/Installation Kit
$ 399








Price: $399.00
(as of Jun 20, 2025 05:05:00 UTC – Details)
Product Description



The MicroAir Easy Start Flex features a compact and efficient design that seamlessly integrates with your existing air conditioning system. Its user-friendly Bluetooth interface offers effortless control over your air conditioner from your smartphone or other devices, providing a modern and convenient way to manage your cooling needs. No more complicated setups or manual adjustments; you can easily monitor and optimize your HVAC system with just a few taps. Compatible with a wide range of air conditioning units, the Easy Start Flex ensures smooth and reliable operation. Stay updated with the latest features and enhancements through wireless updates, keeping your system at the cutting edge of technology. Enjoy a smarter, more efficient cooling experience with the MicroAir Easy Start Flex!

Protect Your Investment
Prevent costly repairs and extend the life of your air conditioning system with the MicroAir Easy Start Flex. It reduces stress on your compressor, safeguarding your HVAC investment.

Works with Generators
Designed for compatibility, the MicroAir Easy Start Flex allows your air conditioner to start smoothly even when powered by a generator. Ideal for off-grid living and backup power solutions.

Energy Efficient Performance
Cut down on energy consumption with the MicroAir Easy Start Flex. By optimizing start-up efficiency by up to 75%, it reduces energy spikes, helping you save on electricity bills.

The MicroAir Easy Start Flex stands out with its easy-to-use Bluetooth connectivity, allowing you to monitor and control your air conditioner directly from your smartphone or other devices, whether you’re at home or managing a commercial space. This advanced soft start technology takes comfort and convenience to the next level. Embrace the efficiency, reliability, and control that the MicroAir Easy Start Flex brings to your HVAC system. Upgrade your cooling experience and enjoy a new standard of performance and peace of mind, no matter where you are!
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Customer Reviews
4.6 out of 5 stars 1,139
4.6 out of 5 stars 1,139
4.6 out of 5 stars 1,139
4.6 out of 5 stars 1,139
4.7 out of 5 stars 853
4.7 out of 5 stars 853
Price
$389.00$389.00 $399.00$399.00
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$309.00$309.00 $319.00$319.00
Model
ASY-398-X1S-BL ASY-398-X1S-BL with Installation Kit ASY-368-X48 BlueTooth ASY-368-X72-BLUE ASY-399-X20 ASY-399-X20 with Installation Kit
Compatibility
Residential & Commercial AC Residential & Commercial AC Residential & Commercial AC Residential & Commercial AC Recreational vehicle (RV) Recreational vehicle (RV)
Voltage (VAC)
115 and 230 115 and 230 115 and 230 115 and 230 100 to 125 100 to 125
BTU Support
Up to 6 tons Up to 6 tons 2.0-3.5 tons 4-6 tons Supports up to a 72,000 BTU (6 ton) compressor. Supports up to a 72,000 BTU (6 ton) compressor.
Bluetooth Feature
✓
✓
✓
✓
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no data
Works with Generators
✓
✓
✓
✓
✓
✓
Power Surge Reduction
✓
✓
✓
✓
✓
✓
Start Current Reduction
Up to 75% Up to 75% Up to 75% Up to 75% Up to 75% Up to 75%
Emergency Power Solution
✓
✓
✓
✓
✓
✓
Ideal for
Running air conditioners or refrigeration units on generators, inverters, or limited power sources. Also great for air compressors and fluid pump motors Running air conditioners or refrigeration units on generators, inverters, or limited power sources. Also great for air compressors and fluid pump motors Running air conditioners or refrigeration units on generators, inverters, or limited power sources. Also great for air compressors and fluid pump motors Running air conditioners or refrigeration units on generators, inverters, or limited power sources. Also great for air compressors and fluid pump motors RV rooftop or basement air conditioners and heat pumps RV rooftop or basement air conditioners and heat pumps
ADVANCED MICROAIR TECHNOLOGY WITH INSTALLATION KIT: Micro-Air EasyStart Flex is the most advanced and versatile soft starter, designed for all sizes of residential AC units up to 6 tons (72,000 BTUs). It provides a controlled, gentle startup that reduces mechanical stress, extending your AC system’s lifespan. This air conditioner soft start kit includes everything needed for an easy installation, making it an optimal choice for home and commercial applications.
IDEAL FOR HOME,RV AND COMMERCIAL USE: Perfect for residential and commercial settings, the EasyStart Flex HVAC soft start kit efficiently supports AC systems up to 6 tons, making it versatile for various applications. Designed for compatibility with generators and inverters, it provides an easy start for home AC systems, reducing startup current by up to 75%. This makes it a valuable solution for optimizing performance in areas with limited or unstable power sources.
COMPATIBILITY WITH GENERATORS: Specially engineered to work with generators, inverters, and limited utility power, this soft start kit for home air conditioner reduces startup current by up to 75%, ensuring smooth AC operation even in off-grid or power-limited locations. This Easy Start flex home ac soft starter is compatible with 2-stage compressors and heat pump units, making it a versatile choice for diverse AC configurations.
QUIET AND SMART PROTECTION: This soft starter for air conditioner reduces startup noise and prevents light flickering, creating a quieter, more comfortable environment. The intelligent fault detection and short-cycle delay timer of this ac softstart protect your compressor motor from low-voltage damage and excessive wear, extending the life of your aire acondicionado unit and delivering peace of mind.
COMPACT DESIGN FOR EASY INSTALLATION: With a 50% smaller enclosure size, this ac soft start kit for home is built to fit into tight or confined spaces without compromising performance. This versatile ac unit soft start kit offers a simplified setup suitable for both DIY enthusiasts and professionals, making installation quick and straightforward.
Customers say
Customers find the air conditioner starter works well with both utility and generator power, and is easy to install with clear video instructions. The product effectively reduces startup amperage and makes the AC start quietly, with one customer reporting a significant reduction from 66 to 36 amps. They appreciate its smooth start-ups, particularly for heat pumps, and its ability to run on generators. While customers consider it worth the extra cost, opinions about value for money are mixed.
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$ 399
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