---
product_id: 733409325
title: "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"
brand: "micro-air"
price: "€ 1199.74"
currency: EUR
in_stock: true
reviews_count: 5
category: "Micro Air"
url: https://www.desertcart.es/products/733409325-micro-air-easystart-flex-398-bluetooth-soft-start-kit-home
store_origin: ES
region: Spain
---

# 75% startup current reduction Fits tight spaces, 50% smaller size Ultra-quiet 35 dB startup 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

**Brand:** micro-air
**Price:** € 1199.74
**Availability:** ✅ In Stock

## Summary

> ⚡ Start Smart, Stay Cool, Live Quietly.

## Quick Answers

- **What is this?** 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 by micro-air
- **How much does it cost?** € 1199.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/733409325-micro-air-easystart-flex-398-bluetooth-soft-start-kit-home)

## Best For

- micro-air enthusiasts

## Why This Product

- Trusted micro-air brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Genius:** 50% smaller enclosure fits effortlessly into tight spots—DIY or pro install made easy.
- • **Power Surge Slayer:** Slash startup current by up to 75% for smooth, generator-friendly AC kicks.
- • **Smart Protection Mode:** Intelligent fault detection and short-cycle delay shield your compressor from costly damage.
- • **Universal AC Sidekick:** Supports up to 6 tons, 2-stage compressors, heat pumps, and works seamlessly with inverters.
- • **Whisper-Quiet Cooldown:** Startup noise down to 35 dB means your space stays peaceful and distraction-free.

## Overview

The MICRO-AIR EasyStart FLEX 398 is a cutting-edge Bluetooth-enabled soft start kit designed for residential, commercial, and RV air conditioners up to 6 tons. It reduces startup current by up to 75%, minimizing power surges and mechanical stress while extending AC lifespan. Its compact design fits tight spaces, operates quietly at 35 dB, and features intelligent fault detection to protect your compressor. Compatible with generators and inverters, it ensures reliable, efficient AC performance even in power-limited environments.

## Description

Micro-Air EasyStart FLEX is the most advanced and versatile soft starter designed for all sizes of RV and Automotive AC units up to 6 tons (72,000 BTUs). This powerful soft start kit for home air conditioner optimizes AC performance by providing a controlled, gentle startup, reducing mechanical stress, and extending the lifespan of your air conditioning system. Ideal for both home and commercial applications, the EasyStart Flex uses adaptive learning and advanced technology, making it a reliable choice for a variety of setups. Compatible with generators, inverters, and limited utility power sources, the Micro Air Soft Start Kit for AC reduces startup current by up to 75%, ensuring efficient AC operation even in areas with unstable or restricted power supply. Whether you’re in an off-grid location or managing limited power, this a/c soft start kit provides essential support to keep your AC running smoothly. Equipped with intelligent protection features, including fault detection and a short-cycle delay timer, the EasyStart Flex safeguards your compressor motor from potential damage due to low-voltage conditions. This added protection not only prevents excessive wear but also prolongs your AC unit’s life, ensuring sustained performance. Additionally, the EasyStart Flex minimizes startup noise and light flickering, creating a quieter and more comfortable environment for uninterrupted cooling, especially useful for nighttime or sensitive applications. With a 50% smaller enclosure, this compact soft starter easily fits into tight or confined spaces without sacrificing performance. Compatible with single-phase motors, TXVs, EEVs, fixed metering devices, 2-stage compressors, and heat pump units, the EasyStart Flex is a versatile, one-size-fits-all solution for diverse air conditioning systems. Experience enhanced efficiency, quiet operation, and lasting protection with the Micro-Air EasyStart Flex for your home or business AC.

Review: Performs as Advertised! Good Value! Easy Install. Real World Performance!
Review: Amazing product works as promised….

## Features

- ADVANCED MICROAIR TECHNOLOGY: 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 and gentle startup, reducing mechanical stress and extending the lifespan of your air conditioning system. This air conditioner soft start technology enhances performance and reliability for both home and commercial use.
- IDEAL FOR HOME 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DJDJ87LR |
| Additional Features | Portable |
| Air Conditioner Application | residential, commercial, recreational vehicle |
| Best Sellers Rank | #61,652 in Automotive ( See Top 100 in Automotive ) #86 in RV Heating, Ventilation & Air Conditioning |
| Brand | MICRO-AIR |
| Brand Name | MICRO-AIR |
| Capacity | 6 Tons |
| Compressor Type | reciprocating |
| Control Method | App |
| Controller Type | Button Control |
| Customer Reviews | 4.6 out of 5 stars 618 Reviews |
| Efficiency | High |
| Energy Star | 5 Star |
| Form Factor | Portable |
| Installation Type | Packaged |
| Inverter Type | No Inverter |
| Is Outdoor Unit Required | No |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 22.9D x 10.2W x 7.6H centimeters |
| Manufacturer | MicroAir |
| Model Name | MicroAir Flex 398 |
| Model Number | 398 |
| Noise | 35 Decibels |
| Power Source | Corded Electric |
| Product dimensions | 22.9D x 10.2W x 7.6H centimeters |
| Special features | Portable |
| Start Year | 2039 |
| Start year | 2039 |
| UPC | 850049469241 |
| Voltage | 230 Volts |
| Wattage | 21093 watts |
| Window Opening Minimum Height | 16 Inches |
| Window Opening Minimum Width | 24 Inches |

## Product Details

- **Brand:** MICRO-AIR
- **Capacity:** 6 Tons
- **Special features:** Portable
- **Product dimensions:** 22.9D x 10.2W x 7.6H centimeters
- **BEE Star Rating:** 5 Star

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61chwhRm6JL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Performs as Advertised! Good Value! Easy Install. Real World Performance!
*by M***E on 15 July 2025*



### ⭐⭐⭐⭐⭐ Amazing product works as promised….
*by A***R on 17 January 2026*



### ⭐⭐⭐⭐⭐ Seems to work perfectly and solved my issue.
*by M***L on 17 August 2025*



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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-23*