ZONE AIR® DIY WALL MOUNTED SERIES
Energy StarWi-Fi
Zone Air® DIY 3 ZONE 36,000 BTU (9K+9K+18K) 24 SEER2 230V Wall Mount Ductless Mini-Split Heat Pump System with 3x Pre-Charged Linesets - Up to 1,800 Sq Ft
Assembled, modified, and tested in the USA from globally-sourced componentsSKU: zdiy-mk1-9I / zdiy-mk1-18I / zdiy-mk1-27O
30-day returns · Energy Star & ETL certified · US-based support
$4,199.99$5,599.99
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Estimated delivery: Friday, Jul 24
Frequently Purchased Together
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Upgrade to 25ft Lineset (9K/12K)
Full 25 ft pre-charged lineset · up to 2
$100.00
0
Upgrade to 25ft Lineset (18K)
Full 25 ft pre-charged lineset · up to 1
$150.00
0
16 ft. Decorative Lineset Cover
Hide exposed lines — paintable PVC · up to 3
$99.99
Wall Mount Bracket
Heavy-duty, holds up to 550 lbs
+$109.99
At a Glance
Room size: Up to 1,800 sq ft (450+450+900, 3 zones)
Heating: Independent zone control
Install: DIY — no vacuum pump or contractor needed
Lineset: 3x 16 ft pre-charged included (each extends to 25 ft)
Support: Live phone & chat (9–5 MST) + install help
Warranty: 7-year compressor & 5-year parts
Returns: 30-day returns (uninstalled)
Room size varies by climate, insulation, and window exposure. Use our calculator for an exact recommendation.
Electrical Requirements
Voltage208-230V
Breaker30A (double-pole)
Plug typeHardwired (no plug)
OutletDedicated 208-230V circuit
Dedicated circuitRequired
ElectricianRecommended
Requires a dedicated 208-230V circuit installed by a licensed electrician. Do not use extension cords.
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System Overview
36,000 BTU
Capacity
208-230V
Voltage
24 SEER2
Efficiency
30 dB per unit
Sound Level
Your Purchase Includes
Everything you need for a complete DIY installation
3x Indoor Air Handlers
Outdoor Condenser
3x 16 ft. Pre-Charged Linesets
Installation Kit
3x Remote Controls
Summary
- Voltage: 208-230V
- Environmentally friendly R454B (pre-charged)
- Low ambient range operation: heating down to Independent zone control
- Variable-speed DC inverter driven performance
- Pre-charged lineset included for DIY installation
- Energy Star certified
Features
- Two 9,000 BTU + one 18,000 BTU wall-mount indoor units included
- Independent temperature control per zone
- Single 27K outdoor unit powers all three zones
- 24 SEER2 energy efficiency
- Three pre-charged linesets included
- WiFi control for each zone
- Complete installation package
Important
The outdoor unit is factory pre-charged with R454B (pre-charged) refrigerant, accommodating refrigerant line lengths of up to 25 ft. per circuit. If using a lineset that exceeds this length, additional refrigerant will need to be charged into the system during installation. This model can only be purchased with the 25 ft. lineset option. If needing a different length, please purchase additional linesets here.
Zone Air® Product Series
DIY Wall Mounted Series
Zone Air® wall-mounted ductless mini split systems deliver powerful heating and cooling with easy DIY installation. Each unit comes with a pre-charged R454b lineset — no vacuum pump, no contractor, no refrigerant handling. Variable-speed DC inverter technology provides quiet, efficient comfort while Wi-Fi connectivity lets you control your system from anywhere.
What's Included in Your Purchase
- ✓ Indoor Unit
- ✓ Outdoor Unit
- ✓ Wireless Remote Control
- ✓ Remote Control Wall Holder
- ✓ Remote Control Batteries
- ✓ 16 Ft. Copper Lines
- ✓ 16 Ft. Electrical Wire
- ✓ 10 Ft. Drain for Indoor/Outdoor
- ✓ Wall Passage Sleeve
- ✓ Putty for Wall Hole
- ✓ Leak Guard Sealer
- ✓ Wrapping Tape
- ✓ Installation Manual
- ✓ User's Manual
Quick-connect lineset installation
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Product Warranty
Coverage applies to the original purchaser with proof of purchase. See our Warranty Policy.
- 5 years warranty on parts
- 7 years warranty on compressor
Manuals & Documents
Technical Information & Performance
SYSTEM KIT
| Connected Indoor Capacity | 36,000 BTU/h (9,000 + 9,000 + 18,000) |
| Per Zone Capacity | 9,000 / 9,000 / 18,000 BTU/h |
| Outdoor Unit Rated Cooling Capacity | 27,000 BTU/h (4,500-31,000 range) |
| Outdoor Unit Rated Heating Capacity | 28,000 BTU/h (4,500-33,000 range) |
| SEER2 Rating | 24 |
| EER2 Rating | 12.0 |
| HSPF2 (Region IV/V) | 10.5 / 8.8 |
| Voltage | 208-230V / 60Hz |
| Breaker Needed | 30A (double-pole) |
| Number of Zones | 3 |
| Refrigerant Type | R454B (pre-charged) |
| Indoor Units | 2× 9K + 1× 18K wall-mount units |
| Linesets Included | 3× 16 ft pre-charged |
| Operating Temperature | -13°F to 131°F |
| Sound Level (per unit) | 30–44 dB |
| Outdoor Sound Level | 62 dB(A) |
| Outdoor Unit Dimensions (WxDxH) | 38-1/2" x 16-1/2" x 31-5/8" |
| Outdoor Unit Weight | 119 lbs |
INDOOR UNIT
| Part Number | zdiy-mk1-9I |
| Net Dimensions (WxDxH) | 36-1/2" x 7-5/8" x 12" |
| Carton Dimensions (WxDxH) | 39" x 10-1/2" x 15" |
| Net / Gross Weight | 23.1 / 30.9 lbs |
OUTDOOR UNIT
| Part Number | zdiy-mk1-18I |
| Breaker Needed | 30A (double-pole) |
| Net Dimensions (WxDxH) | 38-1/2" x 16-1/2" x 31-5/8" |
| Sound Level | 62 dB(A) |
| Carton Dimensions (WxDxH) | 32-7/8" x 13" x 22-5/8" |
| Net / Gross Weight | 93.7 / 102.5 lbs |
Control From Anywhere
Wi-Fi Smart Control
Built-in WiFi lets you control your mini split from anywhere. Works with Google Assistant, Alexa, and Siri.
Advanced Features
Smart Climate Control
- ✓Independent dehumidification mode
- ✓24-hour programmable timer
- ✓Turbo mode for rapid cooling/heating
- ✓Auto mode with intelligent temperature control
- ✓ECO mode for energy savings
- ✓Smart sleep mode
Premium Components
- ✓High-efficiency rotary compressor
- ✓Premium indoor motor
- ✓5-speed variable fan control
- ✓R454B eco-friendly refrigerant
- ✓Fire-proof electrical enclosure
- ✓High-efficiency heat exchanger
Convenience & Safety
- ✓Auto-restart after power loss
- ✓Self-diagnostic system
- ✓Refrigerant leakage detection
- ✓Emergency manual operation
- ✓Display on/off option
- ✓Temperature display toggle (°C/°F)
Easy Maintenance
- ✓Top-access washable filter
- ✓One-press unit detachment
- ✓Deep-clean air channels
- ✓High-temp self-cleaning
- ✓Quick PCB replacement design
- ✓Anti-cold wind protection
Operating Temperature Range
Indoor Temperature (Cooling)
62-89°F (17-31°C)
Indoor Temperature (Heating)
32-86°F
Outdoor Temperature (Cooling)
5-131°F (-15 to 55°C)
Outdoor Temperature (Heating)
-13 to 86°F (-25 to 30°C)
Frequently Asked Questions
Do I need an HVAC technician to install this?
No! Our wall-mounted systems are designed for complete DIY installation. The pre-charged lineset means no vacuum pump or refrigerant handling is needed. Most homeowners complete the install in 2-4 hours with basic tools.
What electrical work is needed?
This unit requires a dedicated 208-230V circuit. If you don't already have a 230V outlet near the outdoor unit location, you may need an electrician to run one.
What if 16 ft of lineset isn't enough?
You can upgrade to a 25 ft lineset right from this page for $100 ($150 for 18K systems). The 25 ft lineset is also pre-charged — no additional refrigerant handling needed.
Does this unit heat and cool?
Yes! This is a heat pump system that provides both heating and cooling year-round. It can heat effectively down to Independent zone control outdoor temperature and cool in temperatures up to 122°F.
What warranty is included?
All Zone Air systems come with a 7-year compressor warranty and 5-year parts warranty for the original purchaser. DIY installation does not void coverage. We also offer live technical support (9–5 MST) and 30-day returns on uninstalled systems.
Complete Your Installation
Accessories and extensions for your system
25 Ft. Pre-Charged R454B Lineset for 9K & 12K BTU Mini-Split Systems
$250View →
25 Ft. Pre-Charged R454B Lineset for 18K BTU Mini-Split Systems
$275View →
Heavy-Duty Foldable Wall Mount Bracket for Mini-Split Outdoor Condenser Units
$109.99View →
16 Ft. Decorative PVC Lineset Cover Kit for Mini-Split Systems
$99.99View →