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HDKorp4725 1.2K Views
Oct 11, 2026 2:31 PM

Micro-Air EasyStart Flex + Free Shipping

$364

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Micro-Air EasyStart Flex Soft Starter
(Model #: ASY-398-X1S-BL)

The EasyStart Flex is the most advanced and versatile soft starter designed for ALL SIZES of residential A/C units up to 6 tons (72,000 BTUs).

The EasyStart Flex offers a One-Size-Fits-All solution that includes adaptive learning and optimization technology.

The EasyStart Flex is the ideal solution for air conditioners or heat pump to run on generators, inverters, or limited utility power in situations where it may not have been possible before.

• Micro-Air made in the U.S.A
• Patent-pending learning technology unmatched by any other soft starter on the market. Up to 75% reduction in start-up current.
• One size fits all solution for home ac units, we have you covered.
• 50% reduction in overall enclosure size, allowing installation in the smallest spaces.
• 100% Quality Control tested before leaving our facility.

Micro-Air's EasyStart Bluetooth Features:
• Built-In Technical Support Submission for issues.
• Diagnose and correct issues without the need to disassemble any components, ensuring a safe and seamless troubleshooting process.
• Need to move EasyStart to a new A/C? Use our remote one-touch process to easily teach our softstart A/C device about your new unit.
• Convenient on-demand firmware updates when available.
• Our free phone application (available on both iPhone and Android) grants access to all features.

The EasyStart Flex soft starter is designed specifically for single-phase motors commonly used in residential and commercial air conditioning systems. Through Micro-Air's innovative technology, the EasyStart can reduce start-up current by up to 75%, allowing your air conditioner to operate efficiently even with limited power sources such as a portable generator, inverters, or restricted utility power.

• Perfect emergency power solution on a small generator to medium-sized generators and solar power systems.
• Reduces blinking of lights when A/C starts at home.
• Sleep With Less Noise, And Stay Cool All Through The Night. Reduces the loud start up noise of the A/C motor.
• Critical for those with medical and comfort needs for A/C during power outages
• Specialized fault checks not found in any other soft starter provide further protection for your ac compressor motor.
• Our advanced intelligent short-cycle delay timer provides the necessary delay to any short-cycle restart while preventing unnecessary delay for normal-cycle restarts. This reduces any potential damage and wear and tear, ensuring its longevity.
• Precise Overcurrent and Stall detection to protect compressor motors from harmful sustained or abrupt low-voltage conditions. It's designed to safeguard your compressor and ensure that your system remains reliable and long-lasting.
• Compatible with TXVs, EEVs, and fixed metering devices.
• Compatible with 2-stage Compressors and Heat Pump Units

Manufacturer Warranty:
Micro-Air, LLC. guarantees that your EasyStart Flex Soft Starter will be free from defects in materials and workmanship for 2 years from the date of purchase. This warranty covers only the soft starter itself.

What is a "soft starter"?
A soft starter is an electronic device designed to reduce the high inrush current associated with starting electric motors, such as those found in air conditioners, heat pumps, and refrigeration units. By gradually increasing the voltage applied to the motor, a soft starter reduces the stress on the motor and the electrical system, allowing for a smoother and more efficient startup process. This not only enhances the performance of your air conditioner or heat pump but also extends the lifespan of the equipment by minimizing wear and tear on an hvac system.

Which EasyStart model should I get?
The EasyStart Breeze is designed and optimized for RV air conditioners, while the EasyStart Flex is versatile enough to handle units from 2-6 tons residential air conditioners. If you're looking to cool your home or a business, the Flex is your go-to.

What if my large home or business has two or more A/C units?
Each A/C unit needs to have its own EasyStart installed to efficiently operate and reduce the start-up current needed for each A/C unit.

Can I install the EasyStart myself?
Installing a soft starter, such as the EasyStart Flex or EasyStart Breeze, is a relatively straightforward process and is designed for DIY installation with step-by-step instructions. The installation can also be completed by a qualified electrician or HVAC technician. The device is typically installed between the electrical panel and the air conditioning unit, requiring minimal wiring and setup. This ensures a quick and hassle-free installation process. A typical install usually takes less than 30-minutes.

EasyStart Home Wiring Guide (PDF)
https://www.micro-air.com/kb-easy..._Guide.htm

https://invertersrus.com/product/...t-starter/
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About the Poster
Micro-Air EasyStart Flex Soft Starter
(Model #: ASY-398-X1S-BL)

The EasyStart Flex is the most advanced and versatile soft starter designed for ALL SIZES of residential A/C units up to 6 tons (72,000 BTUs).

The EasyStart Flex offers a One-Size-Fits-All solution that includes adaptive learning and optimization technology.

The EasyStart Flex is the ideal solution for air conditioners or heat pump to run on generators, inverters, or limited utility power in situations where it may not have been possible before.

• Micro-Air made in the U.S.A
• Patent-pending learning technology unmatched by any other soft starter on the market. Up to 75% reduction in start-up current.
• One size fits all solution for home ac units, we have you covered.
• 50% reduction in overall enclosure size, allowing installation in the smallest spaces.
• 100% Quality Control tested before leaving our facility.

Micro-Air's EasyStart Bluetooth Features:
• Built-In Technical Support Submission for issues.
• Diagnose and correct issues without the need to disassemble any components, ensuring a safe and seamless troubleshooting process.
• Need to move EasyStart to a new A/C? Use our remote one-touch process to easily teach our softstart A/C device about your new unit.
• Convenient on-demand firmware updates when available.
• Our free phone application (available on both iPhone and Android) grants access to all features.

The EasyStart Flex soft starter is designed specifically for single-phase motors commonly used in residential and commercial air conditioning systems. Through Micro-Air's innovative technology, the EasyStart can reduce start-up current by up to 75%, allowing your air conditioner to operate efficiently even with limited power sources such as a portable generator, inverters, or restricted utility power.

• Perfect emergency power solution on a small generator to medium-sized generators and solar power systems.
• Reduces blinking of lights when A/C starts at home.
• Sleep With Less Noise, And Stay Cool All Through The Night. Reduces the loud start up noise of the A/C motor.
• Critical for those with medical and comfort needs for A/C during power outages
• Specialized fault checks not found in any other soft starter provide further protection for your ac compressor motor.
• Our advanced intelligent short-cycle delay timer provides the necessary delay to any short-cycle restart while preventing unnecessary delay for normal-cycle restarts. This reduces any potential damage and wear and tear, ensuring its longevity.
• Precise Overcurrent and Stall detection to protect compressor motors from harmful sustained or abrupt low-voltage conditions. It's designed to safeguard your compressor and ensure that your system remains reliable and long-lasting.
• Compatible with TXVs, EEVs, and fixed metering devices.
• Compatible with 2-stage Compressors and Heat Pump Units

Manufacturer Warranty:
Micro-Air, LLC. guarantees that your EasyStart Flex Soft Starter will be free from defects in materials and workmanship for 2 years from the date of purchase. This warranty covers only the soft starter itself.

What is a "soft starter"?
A soft starter is an electronic device designed to reduce the high inrush current associated with starting electric motors, such as those found in air conditioners, heat pumps, and refrigeration units. By gradually increasing the voltage applied to the motor, a soft starter reduces the stress on the motor and the electrical system, allowing for a smoother and more efficient startup process. This not only enhances the performance of your air conditioner or heat pump but also extends the lifespan of the equipment by minimizing wear and tear on an hvac system.

Which EasyStart model should I get?
The EasyStart Breeze is designed and optimized for RV air conditioners, while the EasyStart Flex is versatile enough to handle units from 2-6 tons residential air conditioners. If you're looking to cool your home or a business, the Flex is your go-to.

What if my large home or business has two or more A/C units?
Each A/C unit needs to have its own EasyStart installed to efficiently operate and reduce the start-up current needed for each A/C unit.

Can I install the EasyStart myself?
Installing a soft starter, such as the EasyStart Flex or EasyStart Breeze, is a relatively straightforward process and is designed for DIY installation with step-by-step instructions. The installation can also be completed by a qualified electrician or HVAC technician. The device is typically installed between the electrical panel and the air conditioning unit, requiring minimal wiring and setup. This ensures a quick and hassle-free installation process. A typical install usually takes less than 30-minutes.

EasyStart Home Wiring Guide (PDF)
https://www.micro-air.com/kb-easy..._Guide.htm

https://invertersrus.com/product/...t-starter/

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9 Comments

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Oct 11, 2026 2:41 PM
1.2K Comments
Joined Feb 2024
AronManOct 11, 2026 2:41 PM
1.2K Comments
this price sucks, but the device itself is MAGNIFICENT. I bought mine because I am doing a battery back up system in my household and have a 5 ton ac unit to reduce the LRA. It does its job perfectly. Added bonus is when my ac starts up it is a quiet as a church mouse compared to how it used to sound upon start up!
Last edited by AronMan October 11, 2026 at 08:26 AM.
1
Oct 11, 2026 2:48 PM
1.2K Comments
Joined Feb 2024
AronManOct 11, 2026 2:48 PM
1.2K Comments
oh, and $282ish on ali express which is where i got mine..
Original Poster
Oct 11, 2026 5:55 PM
119 Comments
Joined Oct 2017
HDKorp4725
Original Poster
Oct 11, 2026 5:55 PM
119 Comments
Quote from AronMan View quoted comment :
oh, and $282ish on ali express which is where i got mine..
Link that you used please?
Did you have any issues after ordering it or with the unit itself after install?

AliExpress can be sketchy at times, though not nearly as bad as Temu. Making a $20 or $50 purchase is one thing. Making a several hundred dollar purchase is quite another. The recourse for purchases sent to the USA via AliExpress is not the easiest.
Last edited by HDKorp4725 October 11, 2026 at 11:01 AM.
Oct 11, 2026 5:57 PM
148 Comments
Joined Jul 2014
StratosGOct 11, 2026 5:57 PM
148 Comments
The caps on these microair units constantly go. These units suck. There's another brand softstartRV I think. Those are way better!
Original Poster
Oct 11, 2026 5:58 PM
119 Comments
Joined Oct 2017
HDKorp4725
Original Poster
Oct 11, 2026 5:58 PM
119 Comments
Quote from AronMan View quoted comment :
this price sucks, but the device itself is MAGNIFICENT. I bought mine because I am doing a battery back up system in my household and have a 5 ton ac unit to reduce the LRA. It does its job perfectly. Added bonus is when my ac starts up it is a quiet as a church mouse compared to how it used to sound upon start up!
I never implied that this was a cheap price or a sale price. I posted this to give people a reference of the everyday price to know what is a good sale price. Anyway, this is the cheapest everyday price in tbe USA. Micro-Air itself wants $399!
Original Poster
Oct 11, 2026 6:08 PM
119 Comments
Joined Oct 2017
HDKorp4725
Original Poster
Oct 11, 2026 6:08 PM
119 Comments
Quote from StratosG View quoted comment :
The caps on these microair units constantly go. These units suck. There's another brand softstartRV I think. Those are way better!
This is the first I've heard of any issues with the EasyStart. I've researched this for quite a long time too, but I just haven't pulled the trigger yet.
Oct 11, 2026 7:56 PM
148 Comments
Joined Jul 2014
StratosGOct 11, 2026 7:56 PM
148 Comments
Quote from HDKorp4725 View quoted comment :
This is the first I've heard of any issues with the EasyStart. I've researched this for quite a long time too, but I just haven't pulled the trigger yet.

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Oct 11, 2026 10:49 PM
1.2K Comments
Joined Feb 2024
AronManOct 11, 2026 10:49 PM
1.2K Comments
Quote from StratosG View quoted comment :
The caps on these microair units constantly go. These units suck. There's another brand softstartRV I think. Those are way better!
nope. you are thinking of the earlier units before this "universal" one. These hve been great for many people, myself included.
Oct 11, 2026 10:52 PM
1.2K Comments
Joined Feb 2024
AronManOct 11, 2026 10:52 PM
1.2K Comments
lol....yeah, that's a large sample base to make such a ridiculous accusation...

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