MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V
SKU DIY-09-HP-WM-115D25-O
With Incentives
Save up to $1,15723.6 SEER2 meets CEE Tier 2 (≥16). Find your state's rebate
Customize it — compatible add-ons only
Only needed when the run from condenser to indoor unit is longer.
Lifts the condenser above snow, mud, and runoff.
Clean channel for the lines running down your exterior wall.
Universally compatible tools and care items — maintenance kit, coil cleaner, install tools.
MrCool DIY factory warranty — register after install to activate the full coverage tiers.
Sizing Help
Not sure if 9K BTU is right for your space?
Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.
Resources
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Description
MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V
What's in This System
The actual units this bundle ships with — pictured individually, priced as one system.
Outdoor Condenser — included
MRCOOL® 9k DIY 5th Generation Mini-Split Condenser 115v
Sold separately for $1,584
View this unit's full specsIndoor Air Handler — included
MRCOOL® 9k DIY 5th Generation Mini-split Air Handler 115v
Sold separately for $745
View this unit's full specs25 ft Quick Connect® Line Set
Pre-charged copper lines — in the box, no vacuum pump needed
DIYPro® Cable
Armored communication & power cable
Wireless Remote
Handheld remote with Follow Me sensing
Smart HVAC Controller
Wi-Fi app control — Alexa & Google Assistant
Bought separately these units run $2,329 — this system saves you $400.
Key Specifications
23.6
SEER2 Rating
9000BTU
Cooling Capacity
400sq ft
Coverage Area
115V
Voltage
54dBA
Noise Level
MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 9,000 BTU
The MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V delivers 9,000 BTU of cooling and heating capacity (0.75-ton class), sized for spaces up to 400 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit targets small rooms, nurseries, tiny homes, enclosed porches, and dedicated zones that need precise temperature control without oversizing — oversized units short-cycle, which hurts humidity control and shortens compressor life.
Efficiency & Operating Cost
This unit is rated at 23.6 SEER2 and 14 EER2 at full load. SEER2 measures seasonal cooling efficiency — higher is better — and 23.6 puts this in the premium efficiency tier. For heating performance it carries a 11.5 HSPF2 rating, which translates to roughly 300–350% heating efficiency versus resistance electric — one kilowatt-hour of electricity moves three kWh of heat into the space at mild outdoor temperatures. Running the unit 8 hours a day at full load draws roughly 92 kWh/month — about $15/month at the US average $0.16/kWh residential rate. Real-world draw is usually 30–50% lower because inverter compressors modulate down most of the time. ENERGY STAR certification makes this SKU eligible for federal tax credits (25C in 2026, up to 30% / $2,000 for qualifying heat pumps) and most state/utility rebate programs — check your state page for specific amounts.
Power & Electrical Requirements
Power requirement: 115V 1-phase 60Hz (standard US 120V household outlet). Minimum circuit ampacity is 18A with a maximum overcurrent protection of 20A. Wire the outdoor unit with 12 AWG copper on a dedicated 20A double-pole breaker (or single-pole at 120V), with a disconnect within sight of the condenser per NEC 440.14.
Install Difficulty — DIY-Friendly
This DIY 5th gen Single-Zone Mini-split Bundle system ships with a pre-charged Quick Connect line set — no HVAC license, no vacuum pump, no refrigerant gauges. The pre-charged fittings use a hand-tightened mechanical seal that a homeowner completes in 15 minutes per connection. Typical install time from unboxing to first cool air is 4–8 hours for a single-head system. The system supports line set lengths up to 82ft; longer runs are available as accessory kits. Plan the shortest practical route — every 10ft of line set adds roughly 2% capacity loss. Ships with R-454B refrigerant. R-454B is the EPA 2025-compliant low-GWP replacement for R-410A, required for new-manufacture equipment — lower global-warming footprint without an efficiency penalty.
Sound Level & Comfort Features
Operating sound level ranges from 18 dB(A) on low to 43 dB(A) on high — the low end is whisper-quiet, below a normal conversation (60 dB) and comparable to a library reading room. The indoor blower offers 5 fan speeds plus auto mode, letting you trade airflow for quiet operation in bedrooms while running louder in living areas. Quiet mode caps fan speed and compressor rpm for an extra 2–3 dB drop in sound output.
Warranty & Certifications
Manufacturer warranty: 5 on parts, 7 on the compressor. AHRI certified and UL/ETL listed for North American electrical safety — required for most utility rebate and tax credit programs.
Product Details
Installing an HVAC system yourself might seem impossible, but the 5th Generation MRCOOL® DIY® 9k BTU 23.6 SEER Ductless Heat Pump Single Zone Mini-Split System is designed for exactly that. With no special tools or experience required, this system can heat or cool spaces between up to 350 sq. ft. The pre-charged 25-foot QuickConnect® line set makes installation safe, simple, and cost-effective. Pre-filled with R-454B refrigerant, it eliminates the need for vacuuming. The included DIYPRO® cable replaces the need for electrical conduit, offering added durability against weather, animals, and yardwork tools. You can control the system using the included remote, the SmartHVAC app on Apple or Android devices, or voice commands via Amazon Alexa and Google Assistant. For coastal homes, the Gold Fin System provides superior corrosion resistance, ensuring long-lasting performance. This system offers multiple modes and features to enhance comfort and efficiency. The Timer function helps reduce energy use, while Auto mode maintains your set temperature effortlessly. After a power outage, the system automatically restores previous settings. Backed by an industry-leading warranty, the 5th Generation MRCOOL® DIY® 9k BTU 23.6 SEER Ductless Heat Pump Single Zone Mini-Split System now includes a limited lifetime warranty, along with a 7-year compressor and 5-year parts warranty. With innovative technology, easy installation, and reliable performance, this system is built to deliver comfort and peace of mind.
Specifications
| Cooling Capacity | 9,000 BTU |
| Heating Capacity | 10,000 BTU |
| SEER2 Rating | 23.6 |
| HSPF2 | 11.5 |
| Voltage | 115 V |
| Refrigerant | R-454B |
| Noise Level | 54 dBA |
| Coverage Area | 400 sqft sq ft |
| Zone Capacity | 1 zones |
| Max Line Set | 82 ft |
| EER2 | 14 |
| Tonnage | 0.75 Ton |
| Phase | 1 |
| Refrigerant Type | R-454B |
| Refrigerant Charge | 30.34 oz |
| Liquid Line Size | 1/4 |
| Suction Line Size | 3/8 |
Features
- Intertek listed 5031495
- Easy DIY installation
- Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.
- Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort.
- The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.
Frequently Asked Questions
Everything you need to know about this product
What size room will the MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V cool?
Can I install this myself without an HVAC license?
Is this unit eligible for the federal 25C tax credit?
What electrical circuit do I need for installation?
How fast does HVACZAR ship this unit?
What if it arrives damaged or I change my mind?
What is the warranty on the MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V?
How long does shipping take?
What size room does 9,000 BTU cover?
What is the efficiency rating?
Do you offer returns?
How can I pay?
Related Products
Ships Nationwide — Shop by State
We deliver the MRCOOL® 9k DIY 5th Generation Bundle - includes Condenser, Air Handler, DIY® Quick Connect® Line Set, DIYPRO® Cable, and Remote - 115V to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.