GreyVolt Series Energy Star Certified 18000 BTU 21 SEER2 208-230V Mini Split Air Conditioner and Heater Gray
Log in for 759 PTS per Purchase.Log in
Looking for AC Installation Services?
Fast Free
Shipping
30-Day
Return
8-Year Warranty
Costway Mini Split AC Recommend
Key Feature
Product Dimensions
Specifications
Added to Overview
• 8 years Warranty for compressor and 5 years for parts to ease your worries.
• Energy Star Certified and AHRI Certified
• 4-in-1 design includes cooling, heating, drying and fan
• Innovative inverter technology improves energy efficiency
• Handy remote control with digital display for easy operation
• 0-24hour timer and quiet sleep mode for a peaceful sleep
• Multiple functions include swing, turbo, ECO, iFEEL and more
• Washable filter and self-cleaning for easy maintenance
• 360° air flow supply effectively avoids direct blowing
• Low/medium/high speed for customized comfort
• Auto defrost function prevents damage to the unit
• ETL and AHRI certification ensure reliable use
• Automatically adjust the speed of the compressor according to changes in indoor temperature to save energy
How to Install a Costway Ductless Mini Split Air Conditioner
Compare Similar Items
 Energy Star Certified 18000 BTU 21 SEER2 208-230V Mini Split Air Conditioner and Heater Gray$759.00$998.00 Current ltem Add to Cart | Airtural Series 18000 BTU 21 SEER2 Ductless Mini Split Air Conditioner and Heater 208-230V Energy Star Certified$799.00$1598 Add to Cart | 17000 BTU 208/230V Mini Split Air Conditioner and Heater Pump System$659.99$1378 Add to Cart | Blast Series 18000 BTU 19 SEER2 208-230V Mini Split Heat Pump$721.00$962.00 Add to Cart | ENERGY STAR Certified 18000 BTU 25 SEER2 208-230V Mini Split Heat Pump Heating at -15°F$1129$2822 Add to Cart | Energy Star Certified 24000 BTU 21 SEER2 208-230V Mini Split Air Conditioner and Heater Gray Wifi Enabled$1239$2165 Add to Cart |
|---|---|---|---|---|---|
Indoor Air Handler Size | |||||
38" x 8.5"x 12.5" | 38" x 8.5" x 12.5" | 35.8" x 11.5" x 8.9" | 37" x 8.5" x 12" | 45" x 9" x 13" | 43" x 9"x 13" |
Outdoor Condenser Size | |||||
31" x 12" x 22" | 31" x 12" x 22'' | 32.1" x 11.8" x 21.5" | 31.5" x 12" x 21.5" | 35.5" x 14" x 27.5" | 35.5" x 14" x 27.5" |
Cooling Capacity | |||||
17000 BTU | 17000 BTU | 17000 BTU | 18000 BTU | 18000 BTU | 22000 BTU |
Heating Capacity | |||||
17700 BTU | 17700 BTU | 16500 BTU | 18000 BTU | 18200 BTU | 23000 BTU |
Voltage | |||||
208-230V~60Hz/1PH | 208-230V~60Hz/1PH | 208-230V~60Hz | 208-230V~60Hz/1PH | 208-230V~60Hz/1PH | 208-230V~60Hz/1PH |
Coverage Area | |||||
1250 sq. ft | 1250 sq. ft | 1250 sq. ft | 1250 sq. ft | 1250 sq. ft | 1500 sq. ft |
SEER2 | |||||
21 | 21 | 17 | 19 | 25 | 21 |
HSPF2 | |||||
9 | 9 | 8.5 | 9 | 10.5 | 10 |
Indoor Noise Level | |||||
31 dB | 49 dB | 32 dB | 47 dB | 28-50dB | 38 dB |
Outdoor Noise Level | |||||
53 dB | 54 dB | 57 dB | 54 dB | 57 dB | 55.5 dB |
Reviews
(43)Q&A
(31)
Customer say
Customers appreciate the unit’s quiet, efficient cooling and heating, ease of installation with proper tools, and WiFi control. Many highlight fast delivery, good value, and suitability for various spaces. Frequent concerns include professional installation needs and occasional minor setup issues. Overall sentiment is highly positive, praising performance, quality, and energy savings.
Frequent Mentions
Great
Delivered in a timely manner. Easy to install. Works as it should. 10 out of 10 would recommend
![Customer Photos]()
Preview![Customer Photos]()
PreviewMini Split
I bought this for my living room area because I have a dinosaur 4 ton heat pump that runs constantly. So far working great. WiFi program not so great.
![Customer Photos]()
PreviewAir conditioner
I loved my other Costway mini split so much that I bought a second one. The first one I use in my living room and the second one is in my dining room. They work amazing and the cost is better than any other brand I have looked at. Ian planning on buying more for my bedrooms.
Air conditioning
I bought a Costway mini split for my living room. It is wonderful. It works great. My husband was able to install it in a day. It is an amazing product. The cost was well below other competitors so at first I was unsure about it. I am so happy that I decided to get this air conditioner and heater.
Excellent value
This 12k unit keeps my 2 car garage extremely comfortable. The price was great.
$200
