Question 1

How do I install it?

Accepted Answer

An installation kit is included with each product and easy to follow DIY installation instructions are available on Hutch Mountain's website.

Question 2

Can I install it myself (DIY)?

Accepted Answer

Yes, many customers successfully DIY it in under an hour, though some recommend having an electrician if unfamiliar with HVAC wiring.

Question 3

Can it be installed outside in the weather?

Accepted Answer

Yes, it is IP65 rated for outdoor use. It is strongly recommended to be installed inside the A/C service panel or sheltered area to further protect the unit.

Question 4

Is the enclosure waterproof?

Accepted Answer

Yes, it is IP65 rated for outdoor use and is weather resistant to rain and snow (but not pressure washing).

Question 5

What is the wire/whip length?

Accepted Answer

Approximately 4 feet, allowing mounting some distance from the AC unit.

Question 6

Is it compatible with my AC unit/brand?

Accepted Answer

It works with ~99% of single-phase AC units up to 6 tons; customers recommend calling Micro-Air support to confirm.

Question 7

Can it work with older AC units (15–25 years old)?

Accepted Answer

Generally yes, though customers recommend having a technician evaluate the compressor condition first.

Question 8

Can it be used with 3-phase (240V) AC units?

Accepted Answer

No, the Easy Start is not currently compatible with 3-phase systems.

Question 9

Is it compatible with generators and inverters?

Accepted Answer

Yes, this is one of its primary use cases, reducing startup current by up to 75%.

Question 10

How much does it reduce startup (inrush) amps?

Accepted Answer

Customers report reductions from 60–184 amps down to 15–34 amps depending on unit size.

Question 11

Will it make my AC quieter?

Accepted Answer

Yes, most customers report noticeably quieter startups and no more "bang" when the compressor kicks on.

Question 12

Will it reduce light flickering?

Accepted Answer

Yes, many customers confirm lights stop dimming/flickering when the AC starts.

Question 13

Have there been reports of components melting or failing?

Accepted Answer

A small number of failures have been reported, but customers and owners indicate no widespread issue; it is UL-certified.

Question 14

Is it worth the $399 price?

Accepted Answer

Customer opinions are mixed — many call it "worth every penny," especially for generator use, while others find it expensive but effective long-term.

ASIN	B0DJDJ87LR
Additional Features	Portable
Air Conditioner Application	Residential & Commercial
BEE Star Rating	5 Star
Best Sellers Rank	#114,064 in Automotive ( See Top 100 in Automotive ) #160 in RV Heating, Ventilation & Air Conditioning
Brand Name	MICRO-AIR
Capacity	6 tons
Compressor Type	reciprocating
Control Method	App
Controller Type	Bluetooth Control
Customer Reviews	4.6 4.6 out of 5 stars (937)
Efficiency	High
Form Factor	Portable
Installation Type	DIY
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	MICRO-AIR
Model Name	MicroAir Flex 398
Model Number	398
Noise	35 Decibels
Operating Mode	Cooling
Power Source	Corded Electric
Room Type	Multi-purpose
Start Year	2039
UPC	850049469241
Unit Count	1 Count
Voltage	230 Volts
Wattage	21093 watts
Window Opening Maximum Width	4 Inches
Window Opening Minimum Height	16 Inches
Window Opening Minimum Width	24 Inches

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

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Common Questions