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23,200 BTU 21 SEER2 2 Zone Ductless Mini Split Heat Pump System (18F-18L), R-410A, XM2 Series, Ultra Heat
23,200 BTU 21 SEER2 2 Zone Ductless Mini Split Heat Pump System (18F-18L), R-410A, XM2 Series, Ultra Heat
Best for 2 rooms · ~750–1,150 sq ft
Model: Blueridge BMKH2421-18F-18L
Rated 4.8 out of 5. (174 Reviews)
$1,819.00
- Cools & heats 2 rooms up to ~1,150 sq. ft. total
- 21 SEER2 inverter, energy efficient
- Extreme cold performance, heats down to -22°F
- Free expert support, talk to a system specialist before or after you buy
Try Mini-split Builder - Free
Complete Your Install Kit
Connects indoor units to the condenser.
Line Set (1/4" × 1/2")One run per zone — pick each length
Floor Ceiling
+ $159.99
Low Wall
+ $159.99
Communication Wire
1
+ $79.99
Disconnect, whip, adapters & sealant.
Safety Disconnect
Safety Non-Fused Electrical Disconnect1
+ $21.99
Electrical Whip
1/2 x 48 Inches, #10 Gauge Electrical Whip1
+ $24.99
Refrigerant Adapter
Adapter 5/16" x 1/4" for Ductless Mini-Split Systems1
+ $19.99
DiversiGum Sealing Compound – 1 Ib. Slug
DiversiGum Sealing Compound – 1 Ib. Slug1
+ $8.99
Nylog Flare Sealant
Nylog Blue Gasket, Flare and Thread Sealant1
+ $13.99
Wall Sleeve
Wall Sleeve 3 in. x 9.4 in. – 7-3/4 in.1
+ $14.99
Shop with Confidence
$1,819.00
Ships FREE today: order within 9 hrs 38 mins
Heat or Cool Any Space,
Simply and Affordably
Simply and Affordably
Surprisingly
Affordable
Affordable
Incredibly
Quiet
Quiet
Great
Reviews
Reviews
Easy to
Install
Install
What is a Blueridge Ductless System?
It's a better way to heat and cool any space without the need for ductwork. Includes an outdoor heat pump condenser and 1 to 5 indoor air handlers. It's inexpensive to own and operate, easier to install and whisper quiet.
Homeowners and contractors love Blueridge ductless mini-splits. If you own a home, you will want one.
Blueridge mini-splits are a high quality, energy efficient and inexpensive option for cooling and heating many types of spaces without ductwork.
Blueridge mini-splits compare favorably to well-known brands at a fraction of the price. They have the highest online product ratings of all mini-split brands. Their affordability, ease of installation, and high quality make them a favorite among contractors and homeowners.
Benefits
Quiet
Both the indoor and outdoor units operate so quietly you may not be aware they are running. You will just be aware that you are comfortable.
Affordable
The great value extends beyond the low purchase price of these units. You will be pleasantly surprised by how inexpensive they are to operate.
Efficient
Lower your utility bills with inverter technology, by using less electricity and no fossil fuels to accomplish your heating and cooling needs. This is intelligent equipment for a sustainable and comfortable lifestyle.
Versatility
Because there is no ductwork, this is a solution for all kinds of hard-to-fit applications. Any room or space can be transformed into a place for you and others to enjoy for years to come.
Simple Installation
If you're handy, you can accomplish 90% of the installation yourself by following the simple directions and watching our helpful video. Bring in a professional to finish the job and you're set.
Heat or Cool Any Type of Space:
Entire homes
Condos
Bonus rooms
Hotel rooms
Small businesses
Studios
Tiny homes
Coffee shops
Pool houses
Workshops
Offices
Man caves
Attics
Casitas
Retreat spaces
Sun rooms
Basements
Garages
Enclosed porches
Mother-in-law apartments
Many more applications
Videos
Blueridge Ductless Mini-Split AC Highlights
Blueridge Mini-Splits also Provide Heat!
Great customer reviews
Great Product!
Simon
Cleveland, GA
This is an outstanding product at a reasonable price.
Mike
Birmingham AL
Great mini-split system!
Marq
New Bern, NC
Installed easily and works very quietly.
Mike
Palm Desert, CA
Excellent! Works great.
Vic
Jefferson, GA
I would buy it again.
Jack
Johns Creek, GA
Installation
Step 1
Mount
Once you have received the product, mount the indoor and outdoor units to your desired resting location.
Step 2
Connect
Next, run the line sets, drain line, and electrical wires from the indoor unit(s) to the outdoor unit.
Step 3
Electrical
Run a 220 volt power circuit from your main breaker to the outdoor disconnect. Then run the electrical whip from the disconnect to the outdoor unit.
Step 4
Pro Start Up
We'll help you get an HVAC contractor who will pressure test the line sets, check for leaks, and release refrigerant. Click Here For Details
How to Install a Blueridge Ductless Mini-Split AC System
CEO and Founder
Andrew Arthurs
Alpine Home Air Products
Blueridge ductless mini-splits are exclusive to Alpine Home Air and are one of our most popular brands. These units are manufactured to our specifications by the largest, most reputable HVAC manufacturer in the world.
Our customers love them! We receive rave reviews because these products are solidly-engineered, thoroughly tested, reliable, and quiet. Our customers order Blueridge because of the incredible value and savings. Competing brands cost more for one reason: a long supply chain raising the price before the product hits your door. With Blueridge, we buy directly from the manufacturer and our customers save thousands of dollars. Long established throughout the rest of the world, mini-splits are quickly gaining popularity across America. The ease of installation, versatility, and savings cannot be matched. We know you will love our Blueridge mini-splits as much as we do. Please tell your friends and help us get the word out.
Blueridge BMKH2421-18F-18L
Standard Features
Convenient remote control enables unique temperatures to be set per zone.
High-efficiency inverter technology allows for even cooling and heating while reducing energy costs.
Gold fin condenser coil coating extends the life of your system by protecting it from corrosion.
Intelligent sleep function adjusts to your sleep pattern in order to maximize your comfort and reduce energy costs. User controls direct air flow.
Intelligent defrost reduces energy and defrost time by only defrosting when needed.
This System Includes*
24,000 BTU 21 SEER2 Multi Zone Ductless Mini Split Heat Pump Outdoor Condenser for Up to 3 Zones, R-410A, 220V, XM2 Series
18,000 BTU Floor/Ceiling Ductless Mini Split Indoor Air Handler, R-410A, 220V, XM3 Series, WiFi Ready (L02: 1/4 LL 1/2 SL)
18,000 BTU Low Wall Ductless Mini Split Indoor Air Handler, R-410A, 220V, XM3 Series, WiFi Ready (L02: 1/4 LL 1/2 SL)
Blueridge 30510135 Remote Control
Blueridge 30510599 Remote Control
Blueridge BXK19 Optional Wired Wall Controller 300001060284_X57640
*NOTE: Does not include all required components for installation. See required components below in the accessories section to complete your system.
System Information
Mini-Split System Type
Heating / Cooling
Indoor Unit(s) Capacity
18,000 + 18,000 BTU
Multi Zone Mini-Split Series
XM2: All Climate
Indoor Air Handler Type(s)
Floor Ceiling / Low Wall
Zones
2
Product Type
Mini Split Only
Single Vs. Multi-Zone
Multi-zone
Features
WIFI (2.4GHz)
Yes (With Adapter)
Efficiency
SEER2
21 SEER2
SEER
21 SEER
EER2
12.5 EER2
EER
12.5 EER
HSPF2
10 HSPF2
HSPF
10 HSPF
Coefficient of Performance at 5° F
2.1
Coefficient of Performance (at 47 F)
3.66 COP
Refrigerant Readiness
Primary Refrigerant
R-410A
Factory Precharge
98 Feet
Mobile Home Compatible
Yes
Performance
Tonnage
2 Ton(s)
Low Output Cool
7500 BTU
Low Output Heat
7500 BTU
High Output Cool
23200 BTU
High Output Heat
24000 BTU
Stages of Heat
Inverter
Stages of Cool
Inverter
Compressor Type
Inverter
Sound Rating, Indoor
27 / 30 / 35 / 45 / 51 / 56 Decibels
Sound Rating, Outdoor
58 Decibels
Ambient Temperature Range (Cooling)
-22 / 118 °F
Ambient Temperature Range (Heating)
-22 / 75 °F
Low Ambient Cooling
Yes
Lowest Ambient Temperature (Heating)
-22 °F
Electrical Information
Voltage
208 - 230 Volts
Frequency
60 Hz
Voltage Phase
1
Minimum Ampacity
19 Amps
Maximum Fuse/Breaker
25 Amps
Line Set Information
Liquid Line Size (OD)
(2) 1/4 Inches
Suction Line Size (OD)
(2) 1/2 Inches
Line Set Connection Type
Flare
Maximum Line Length per Zone
65.6 Feet
Maximum Line Length all Zones
196.85 Feet
Maximum Height Difference
49.2 Feet
Product Dimensions
Indoor Air Handler Size, W x H x D
Multiple Sizes - See Documentation Inches
Outdoor Condenser Size, W x H x D
37.95 x 25.98 x 14 Inches
Footprint Mounting Holes (W x D)
22.44 x 14.61 Inches
Outdoor Condenser Weight
114.7 Lbs
Indoor Air Handler Weight
Multiple Weights - See Documentation Lbs
Warranty
Parts Warranty
5 Years
Compressor Warranty
7 Years
Certifications
AHRI#
210534146 (Legacy Certification)
Approved for US Region(s)
North / Southeast / Southwest
ENERGY STAR® ID
2415264
ENERGY STAR® Certified
Yes (Applies to discontinued system)
Qualified Manufacturer ID (QMID)
R4M0
Enjoy free shipping on any accessories purchased with the Blueridge BMKH2421-18F-18L.
Required Components for Installation
Alpine AG-DCT
Safety Non-Fused Electrical Disconnect
$21.99
Alpine AG-WHP10
1/2 x 48 Inches, #10 Gauge Electrical Whip
$24.99
Alpine MW4/40
40' Stranded Ductless Mini-Split Communication Wire - Non-Shielded (600 Volt)
$79.99
Alpine AHMSA1
Adapter 5/16" x 1/4" for Ductless Mini-Split Systems
$19.99
DiversiTech 6-202-1
DiversiGum Sealing Compound – 1 Ib. Slug
$8.99
Refrigeration Technologies RT201B
Nylog Blue Gasket, Flare and Thread Sealant
$13.99
Alpine L02-F25
25 Foot 1/4 LL 1/2 SL Ductless Mini-Split Line Set
$159.99
AC Installation Supplies
Alpine AH84381
Flexible Line Set Bender Kit for Mini-Split Copper Line Sets
$49.99
Air Boosters & Specialty Fans
Tjernlund AS1
Room-to-Room Ventilator, 120 VAC Hardwired, 75 CFM
$199.99
Mini-Split System Accessories
Alpine MW4/125
125' Stranded Mini-Split Communication Wire - Non-Shielded (600 Volt)
$179.99
Alpine MW4/20
20' Stranded Ductless Mini-Split Communication Wire - Non-Shielded (600 Volt)
$54.99
Alpine MW4/250
250' Stranded Mini-Split Communication Wire - Non-Shielded (600 Volt)
$359.99
Alpine MW4/30
30' Stranded Ductless Mini-Split Communication Wire - Non-Shielded (600 Volt)
$64.99
Alpine MW4/55
55' Stranded Ductless Mini-Split Communication Wire - Non-Shielded (600 Volt)
$89.99
Alpine MW4/070
70' Stranded Ductless Mini-Split Communication Wire - Non-Shielded (600 Volt)
$104.99
Alpine AHDH100
5/8in Coil Standard Drain Hose 100ft Length
$69.99
Alpine AHDH50
5/8 in. Coil Standard Drain Hose 50 ft. Length
$39.99
Alpine AHDH20
5/8in Inner Diameter Drain Hose, 20ft Length
$19.99
DiversiTech QUIETMINI-M
Asurity 100-240V Undermount Ductless Mini-Split Condensate Pump
$154.99
Blueridge BY-30
Adjustable Steel Wall Bracket for w/ 30 inch long arms Ductless Mini Splits, 660 lbs Capacity
$79.99
Blueridge BY650
Blueridge Adjustable Wall Bracket w/ 25.5 inch long arms for Ductless Mini Splits, 440 lbs Capacity
$59.99
Blueridge BGF-620
Slab Stand for Ductless Mini-Split Condensers, 660 lbs Weight Capacity
$139.99
Blueridge BR-CP40S
40L/H Undermount Ductless Mini-Split Condensate Pump
$129.99
DiversiTech 230-DLF25
Drain Line Fitting, Metric to 3/4 in.
$17.99
DiversiTech 230-MB17CW
(2-Pack) 17" Mounting Blocks with End Caps for Ductless Mini-Split Air Conditioner and Heat Pump Condensers
$47.00
DiversiTech EL2436-3
E-Lite 24" x 36" x 3" Mini-Split Condenser Pad
$84.99
Mersen STXH240S05
STXH240S05 Type 1 50kA 240/120V Split Phase Surge Protector
$109.99
Alpine AHDH164
5/8in Coil Standard Drain Hose 164 ft Length
$99.99
Rectorseal 83004
5/8in Coil UV Resistant Drain Hose 164 ft. Length
$164.99
Mini-Split System Line Sets
Alpine L02-F15
15 Foot 1/4 LL 1/2 SL Ductless Mini-Split Line Set
$129.99
Alpine L02-F35
35 Foot 1/4 LL 1/2 SL Ductless Mini-Split Line Set
$249.99
Alpine L02-F50
50 Foot 1/4 LL 1/2 SL Ductless Mini-Split Line Set
$329.99
Alpine L02-F65
65 Foot 1/4 LL 1/2 SL Ductless Mini-Split Line Set
$439.99
Outdoor Line Set Covers
Blueridge BCZ-130
Blueridge 90-Degree Corner (for Blueridge BGG130 Line Set Cover KIT)
$9.99
Blueridge BDD-130
Blueridge 48" Straight Channel For Blueridge BGG130 Line Set Cover KIT
$24.99
Blueridge BGQ-130
Blueridge Wall Connection Piece (for Blueridge BGG130 Line Set Cover KIT)
$9.99
Blueridge BPW-130
Blueridge Plane Corner (Flat bend) For Blueridge BGG130 Line Set Cover KIT
$9.99
Blueridge BRG-130
Blueridge Flex Joint For Blueridge BGG130 Line Set Cover KIT
$16.99
Blueridge BWS3
3" Wall Sleeve
$14.99
Blueridge BZL-130
Blueridge Coupler For Blueridge BGG130 Line Set Cover KIT
$9.99
Blueridge BGG130
Blueridge Line Set Cover Kit BGG130
$79.99
DiversiTech 230-CP6
Coupling for Diversitech 6" SpeediChannel™ Line Set Covers
$17.99
DiversiTech 230-D6 1M
39" Long, Diversitech 6" SpeediChannel™ Line Set Cover
$44.99
DiversiTech 230-DC6
End Cap for Diversitech 6" SpeediChannel™ Line Set Covers
$14.99
DiversiTech 230-DCLIP-10
(10-Pack) SpeediClips™ for DiversiTech Line Set Covers
$12.99
DiversiTech 230-DE6
End Fitting for Diversitech 6" SpeediChannel™ Line Set Covers
$19.99
DiversiTech 230-EB6
90° Inside Elbow for Diversitech 6" SpeediChannel™ Line Set Covers
$37.99
DiversiTech 230-EIN6
90° Outside Elbow for Diversitech 6" SpeediChannel™ Line Set Covers
$37.99
DiversiTech 230-FB456
45° Flat Bend for Diversitech 6" SpeediChannel™ Line Set Covers
$39.99
DiversiTech 230-FB6
90° Flat Bend for Diversitech 6" SpeediChannel™ Line Set Covers
$37.99
DiversiTech 230-FR6
Flat Wall Escutcheon for Diversitech 6" SpeediChannel™ Line Set Covers
$13.99
DiversiTech 230-LFB6
90° Long Bend for Diversitech 6" SpeediChannel™ Line Set Covers
$44.99
DiversiTech 230-TC46
4" to 6" Reducer Coupling for Diversitech SpeediChannel™ Line Set Covers
$16.99
DiversiTech 230-TJ6
T-Joint for Diversitech 6" SpeediChannel™ Line Set Covers
$76.99
DiversiTech 230-WC6
Wall Connection Piece for Diversitech 6" SpeediChannel™ Line Set Covers
$44.99
DiversiTech 230-WR6
Non-Flat Wall Escutcheon for Diversitech 6" SpeediChannel™ Line Set Covers
$12.99
Blueridge BWS3B
Wall Sleeve 3 in. x 9.4 in. – 7-3/4 in.
$14.99
Outdoor Pads & Brackets
Blueridge BR1838
Blueridge BR1838 18x38x3 in. Air Conditioning Condenser Pad
$49.99
Blueridge BMKH18MCNS Spec Sheet(PDF, 102 KB)- Blueridge BMKH Wall Remote User Manual 12/2023(PDF, 11.0 MB)
- Blueridge BMKH Low Wall User and Install Manual 12-2023(PDF, 7.08 MB)
- Blueridge BMKH24MC Extended Performance(PDF, 117 KB)
- Blueridge Ductless Mini-Split Warranty(PDF, 180 KB)
- Blueridge BMKH24MC Submittal Sheet(PDF, 258 KB)
- BMKH18MFCC Spec Sheet 12-2024(PDF, 256 KB)
- Blueridge BMKH Floor Ceiling Install Manual 12-2024(PDF, 6.51 MB)
Free Expert Help
Questions about this product?
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