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  5. Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
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H**d
·
Verified purchase
US
I was hesitant about buying the unit, I'm glad I bought it it works amazing, easy to install will be buying another one soon
Item:
Self-Drain, 12000 BTU, 230V
2026-08-20
m**n
·
Verified purchase
US
Energy Efficiency: Fácil instalación no se necesita vacuum para saber si se instaló bien lo recomiendo
Item:
Self-Drain, 12000 BTU, 230V
2026-07-31
C**s E**5
·
Verified purchase
US
Item:
Self-Drain, 12000 BTU, 230V
2026-08-13
About this product
Highlights
Quick-Connect pre-charged system requires no vacuum pump—connect pipes, open valves, and let refrigerant circulate
DIY-friendly installation guidance with step-by-step manual and online installation video; handyman can complete in less than a day
Smart app control for remote temperature adjustments plus ultra-quiet operation down to 30 dB and sleep-friendly auto-dimming display
18 SEER2 inverter technology adjusts compressor speed to help save energy and maintain consistent comfort
All-weather heating/cooling from 5°F to 131°F with auto defrost, iFEEL sensing, self-cleaning, and 24-hour timer
Details
CA prop 65: repro. chemsNo
CA prop 65: carcinogensNo
Dangerous goods or hazardous materialsNo
Included componentsUser manual
Product description
Upstreman 12,000 BTU Mini Split AC: Effortless DIY Install, Your All-Season Comfort!
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
️ No Vacuum Pump & Easy DIY Install
Fed up with expensive installation fees and complicated vacuum pumps? Say hello to hassle-free cooling! Our innovative Quick-Connect Pre-Charged System completely eliminates the traditional vacuuming process. Each unit comes with a pre-charged condenser and a unique valve system. Simply connect the pipes, open the valves, and let the refrigerant circulate!
·Lightning-Fast Setup: Install this mini split AC in no more than half a day.
·Massive Savings: Keep an extra $500 in your pocket by skipping the pro installer!
·Clear Guidance: Not a pro? No problem! We include a step-by-step manual and an online installation video guiding you from mounting to valve opening. Designed for DIYers of all skill levels. If you prefer not to DIY, a handyman can easily complete it in less than a day.
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Smart Control & Whisper-Quiet Sleep
Take control of your comfort from anywhere! Our smart APP lets you adjust your mini split AC remotely, ensuring your home is perfectly cool or warm before you even walk through the door.
·Ultra-Quiet Operation: Runs as low as 30 dB, making it quieter than a whisper.
·Sleep-Friendly Design: Features an auto-dimming display screen that turns off when idle, guaranteeing a peaceful, undisturbed night's sleep.
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
Energy Saving with Advanced Inverter Tech
Why waste power? Unlike conventional units that frequently stop and start, our advanced inverter compressor automatically adjusts its speed based on your room's temperature.
·Certified Efficiency: ETL and AHRI certified to ensure top-tier performance.
·Eco-Friendly Cooling: Designed with R32 refrigerant, significantly reducing environmental impact while keeping your energy bills low.
·Consistent Comfort: Maintains your desired indoor temperature with minimal energy consumption.
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
️ All-Weather Response: Built for Extreme Conditions
Rain, shine, or snow, this mini split has you covered! Designed for all-season performance, it operates reliably in extreme conditions—from a chilly 5°F to a scorching 131°F.
·Winter Ready: Features auto defrost for consistent heating even in freezing weather.
·Smart Sensing: iFEEL technology provides precise comfort right where you are.
·Customizable Comfort: Enjoy 4-way airflow, Sleep mode, and a 24-hour timer.
·Fresh Air: Built-in self-cleaning technology makes maintenance a breeze.
Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D
️ 18-Month Warranty & Dedicated Support
We stand behind our quality! Your purchase is backed by an 18-month warranty. If you have any questions during use, our dedicated customer support team is always here to help.
Quick FAQs: Everything You Need to Know
Why did I only receive one package?
Don't worry! Due to weight restrictions, your ductless mini split air conditioner is shipped in 2 separate packages (Indoor unit *1, Outdoor unit *1). Please wait patiently for all parcels to arrive before scheduling installation. Note: Power cord is not included. For optimal efficiency and performance, we recommend professional installation by licensed technicians.
Can this air conditioner be installed without a professional?
Absolutely! The unit is factory pre-evacuated and sealed, meaning no vacuum pump or Freon handling is needed. DIYers with basic skills can easily follow the manual/video to connect the pipes. However, inexperienced users must hire a pro for safety.
What should I know about the copper pipes?
It comes standard with pure copper tubing, pre-welded to the indoor unit and evacuated. The quick-connect fittings require no evacuation—just align and tighten! No flaring or venting is necessary.
What should I know about Freon?
The outdoor unit is pre-charged with environmentally friendly R32 Freon at the factory. It is a sealed system, so under normal use, no Freon is consumed and no top-ups are required.
How does the no-vacuum design work?
The unit is factory high-precision evacuated and sealed with valves. Simply align and tighten the quick-connect fittings for a perfect seal with no air entry. ️ Caution: Never open the valve before tightening the fitting!
What tools do I need for installation?
You won't need a vacuum pump, gauge, or flaring tool!
Just bring:
·Phillips screwdriver
·2 adjustable wrenches
·Level & tape measure
·Drill + hole saw
·14 AWG 3-core copper cable (L+N+PE)
·A ≥15A double-pole 240V breaker
How do I switch between °C and °F?
Super easy! When the air conditioner is powered on, simply press and hold the SLEEP and DISPLAY buttons at the same time to toggle the temperature display between Celsius (°C) and Fahrenheit (°F).
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Video
Introduction
The Upstreman 12,000 BTU DIY ductless inverter mini split AC unit and heat pump (IY12-230) is designed for convenient all-season comfort—cooling and heating with smart control and a noise-conscious sleep mode. It uses a pre-charged Quick-Connect system that eliminates the traditional vacuuming process, so you can install with a simpler connection procedure. This 230V mini split is inverter-powered (18 SEER2) to help improve efficiency by automatically adjusting compressor speed based on your room temperature. Enjoy remote convenience with WiFi-enabled app control, while ultra-quiet operation can run as low as 30 dB. The sleep-friendly design includes an auto-dimming display that turns off when idle. Built for real-world weather, it supports operation in extreme conditions from 5°F to 131°F, includes auto defrost for consistent heating, and features iFEEL sensing for comfort near you. Maintenance is supported by built-in self-cleaning. The system ships in two separate packages (indoor unit 1, outdoor unit 1). Note: a power cord is not included, and for safety and optimal efficiency, installation should be completed according to the included instructions.
Question and answer
Is this Upstreman IY12-230 mini split a no-vacuum-required system? A:Yes. It is a Quick-Connect pre-charged system that eliminates the traditional vacuuming step. You connect the pipes, open the valves, and let the refrigerant circulate.
What is the refrigerant type and is the system pre-charged? A:The outdoor unit is pre-charged at the factory with environmentally friendly R32 refrigerant in a sealed system, so under normal use no Freon top-ups are required.
Can I switch the temperature display between °C and °F? A:Yes. With the air conditioner powered on, press and hold the SLEEP and DISPLAY buttons at the same time to toggle between Celsius (°C) and Fahrenheit (°F).
What parts are included in the shipment? A:Due to weight restrictions, the ductless mini split AC is shipped in two separate packages: indoor unit *1 and outdoor unit *1. Please wait for all parcels before scheduling installation.
What tools are needed for installation? A:The provided guidance lists tools such as a Phillips screwdriver, 2 adjustable wrenches, level and tape measure, drill + hole saw, and electrical components including 14 AWG 3-core copper cable (L+N+PE) plus an appropriate A ≥15A double-pole 240V breaker.
Does it support heating in cold weather? A:Yes. It is designed for all-season performance and can operate from a chilly 5°F, with auto defrost for consistent heating in freezing conditions.
Safety & compliance
Seller info
Business name: HONG KONG UPSTREAM INNOVATION TECHNOLOGY LIMITED
Business address: ROOM D10,7/F ANNKING INDUSTRIAL BUILDING 22 WANG YIP STREET EAST YUEN LONG HK, New Territories, Hong Kong, Hong Kong China
$888.99
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Upstreman 12,000 BTU DIY Ductless Inverter Mini Split AC Unit & Heat Pump, 230V 18 SEER2 Pre-Charged No-Vacuum-Required System, WiFi-Enabled, Easy-to-Install (IY12-230) with Dehumidifier, Heater, Cooling Fan, Timer, Home Ac Unit, Pure, Mini Splits, Easy D

5
(3)
8 sold
Combined Variations:Self-Drain, 12000 BTU, 230V
Self-Drain, 12000 BTU, 230VSelf-Drain, 12000 BTU, 230V
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upstreman
upstreman
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