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Costway HVAC collection · Updated 2026

Low-Cost Split ACs Covered by Warranty

Compare affordable ductless mini-split air conditioners with listed service coverage, heat-pump operation, efficient SEER2 ratings, and practical room-size specifications.

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11listed options
8 yrtop coverage
9,000–24,000BTU range
20.5–25SEER2 range
Costway mini-split air conditioner with smart home comfort coverage

This directory covers 11 low-cost split AC models and series listed in the supplied Costway product information, including Airtural and GreyVolt units with 8-year service coverage plus Blast, EchoCool, EcoGuard, and SEERXtreme options. Adam Smith, an independent HVAC and home appliance review specialist, approaches the category through practical specification comparison: BTU capacity, stated square-foot coverage, SEER2 efficiency, controls, refrigerant, operating temperatures, and price. Use the tags to narrow the list, then verify current terms before buying. The most trustworthy way to use this page is to match capacity and installation requirements first, and treat service coverage as a documented product detail rather than an assumption.

What Is a Low-Cost Split AC Covered by Warranty?

A low-cost split AC is a ductless air-conditioning system designed to cool a defined area without the expense of a traditional whole-home installation. The units in this collection include cooling and, in many cases, heat-pump operation, with service coverage ranging from 5 to 8 years depending on the series. This page is for shoppers comparing affordable equipment, efficiency, room coverage, smart controls, and after-sale protection before arranging installation.

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Category Snapshot

11models and series listed
5–8 yearsstated service coverage range
400–1,500square-foot coverage range
$549–$1,479listed US price range
R32 / R454Brefrigerants represented

11+ Low-Cost Split ACs

The six individually specified models below include current supplied pricing. The remaining series are included because their service coverage and performance ranges are documented, although product prices were unavailable in the source information.

Airtural FP10412US-WH+ 12,000 BTU split AC

Airtural FP10412US-WH+

Type: Single-zone ductless mini-split AC with heat pump

Key Metric: Pricing: $549 / $799; 12,000 BTU cooling; 750 sq. ft. coverage

Warranty / Service: 8 years

Efficiency: SEER2 21; HSPF2 10; Energy Star certified

Controls: Remote control; no WiFi, app, or voice control

Specifications: 23 dB indoor noise, R32 refrigerant, 208–230V, 353 CFM, 42 pints/day dehumidification

Description: This white Airtural unit is sized for rooms or zones up to 750 square feet and combines cooling with 12,300 BTU heating. Its 23 dB indoor rating and 21 SEER2 specification make it a practical entry point for shoppers prioritizing quiet operation and efficiency.

Primary Use Case: Affordable, quiet climate control for a small-to-medium room or zone.

Website: View FP10412US-WH+

Tags: Airtural, 8-year service, Energy Star, heat pump, R32, budget

Airtural FP10518US-WH+ 17,000 BTU split AC

Airtural FP10518US-WH+

Type: Single-zone ductless mini-split AC with heat pump

Key Metric: Pricing: $659 / $999; 17,000 BTU cooling; 1,250 sq. ft. coverage

Warranty / Service: 8 years

Efficiency: SEER2 21; HSPF2 9; Energy Star certified

Controls: No WiFi, app, or voice control

Specifications: 23 dB indoor noise, R32 refrigerant, 208–230V, 618 CFM, 67 pints/day dehumidification

Description: The 17,000 BTU Airtural model is designed for a larger zone than the 12,000 BTU option while keeping the same stated 21 SEER2 rating. Its 1,250-square-foot coverage figure and 8-year service statement make it a strong value candidate when smart controls are not required.

Primary Use Case: Efficient heating and cooling for an open living area, studio, or larger room.

Website: View FP10518US-WH+

Tags: Airtural, 8-year service, Energy Star, heat pump, R32, medium room

Airtural FP10524US-WH+ 22,000 BTU smart split AC

Airtural FP10524US-WH+

Type: Single-zone ductless mini-split AC with heat pump

Key Metric: Pricing: $999 / $1,399; 22,000 BTU cooling; 1,500 sq. ft. coverage

Warranty / Service: 8 years

Efficiency: SEER2 21; HSPF2 10; Energy Star certified

Controls: WiFi, app control, and voice control included

Specifications: 23 dB indoor noise, R32 refrigerant, 208–230V, 765 CFM, 76 pints/day dehumidification

Description: This is the largest Airtural model in the supplied collection, with 22,000 BTU cooling and 23,000 BTU heating capacity. It adds WiFi and voice control to the series’ white finish, Energy Star certification, and 8-year service coverage.

Primary Use Case: Smart, whole-zone comfort for a large room or open-plan area.

Website: View FP10524US-WH+

Tags: Airtural, 8-year service, Energy Star, heat pump, WiFi, voice control

GreyVolt FP10791US-HS+ gray 12,000 BTU split AC

GreyVolt FP10791US-HS+

Type: Single-zone ductless mini-split AC with heat pump

Key Metric: Pricing: $559 / $799; 12,000 BTU cooling; 750 sq. ft. coverage

Warranty / Service: 8 years

Efficiency: SEER2 21; HSPF2 10; Energy Star certified

Controls: No WiFi, app, or voice control

Specifications: 25 dB indoor noise, R32 refrigerant, 208–230V, 353 CFM, 51 pints/day dehumidification

Description: GreyVolt FP10791US-HS+ pairs a gray indoor unit with a white outdoor condenser for shoppers who want a different visual finish. Its capacity, efficiency rating, and stated service term closely match the smallest Airtural model, while the listed indoor noise is 25 dB.

Primary Use Case: Small-zone heating and cooling with a gray indoor design.

Website: View FP10791US-HS+

Tags: GreyVolt, 8-year service, Energy Star, heat pump, R32, budget

GreyVolt FP10792US-HS+ gray 17,000 BTU split AC

GreyVolt FP10792US-HS+

Type: Single-zone ductless mini-split AC with heat pump

Key Metric: Pricing: $759 / $1,099; 17,000 BTU cooling; 1,250 sq. ft. coverage

Warranty / Service: 8 years

Efficiency: SEER2 21; HSPF2 9; Energy Star certified

Controls: No WiFi, app, or voice control

Specifications: 31 dB indoor noise, R32 refrigerant, 208–230V, 618 CFM, 82 pints/day dehumidification

Description: This GreyVolt model covers up to 1,250 square feet according to the supplied specifications and provides 17,700 BTU heating capacity. It offers the gray-and-white appearance of the series, 21 SEER2 efficiency, and a documented 8-year service term without smart-home controls.

Primary Use Case: Medium-to-large room comfort where appearance and coverage matter more than app control.

Website: View FP10792US-HS+

Tags: GreyVolt, 8-year service, Energy Star, heat pump, R32, medium room

GreyVolt FP10793US-HS+ gray 22,000 BTU smart split AC

GreyVolt FP10793US-HS+

Type: Single-zone ductless mini-split AC with heat pump

Key Metric: Pricing: $1,479 / $1,459; 22,000 BTU cooling; 1,500 sq. ft. coverage

Warranty / Service: 8 years

Efficiency: SEER2 21; HSPF2 10; Energy Star certified

Controls: WiFi, app control, and voice control included

Specifications: 38 dB indoor noise, R32 refrigerant, 208–230V, 765 CFM, 92 pints/day dehumidification

Description: GreyVolt FP10793US-HS+ is the largest listed GreyVolt unit and adds smart controls to the series’ gray indoor finish. The supplied pricing appears unusual because the first figure exceeds the second, so buyers should confirm the live price before ordering.

Primary Use Case: Large-zone heating and cooling with WiFi and voice-control convenience.

Website: View FP10793US-HS+

Tags: GreyVolt, 8-year service, Energy Star, WiFi, voice control, large room

Blast Pro Series

Type: Warranty-covered ductless mini-split AC series with heat pump

Key Metric: 9,000–24,000 BTU; 400–1,200 sq. ft.; SEER2 20–21

Warranty / Service: 5 years

Efficiency: SEER2 range of 20–21

Controls: WiFi and voice control listed

Description: Blast Pro covers a broad capacity range for smaller rooms through larger zones and includes smart-control functionality in the supplied series summary. Product prices were unavailable, so this entry is best used for feature and capacity comparison rather than direct price ranking.

Primary Use Case: Smart-controlled cooling and heating across varied room sizes.

Website: Browse Costway appliances

Tags: Blast Pro, 5-year service, Energy Star, heat pump, WiFi, voice control

Blast Series

Type: Ductless mini-split AC series with heat pump

Key Metric: 9,100–23,000 BTU; 450–1,500 sq. ft.; SEER2 17–20

Warranty / Service: 8 years

Efficiency: SEER2 range of 17–20

Controls: No WiFi, app, or voice control listed

Specifications: R32 refrigerant

Description: Blast offers one of the widest stated coverage ranges in the collection, reaching up to 1,500 square feet. Its 8-year service statement may appeal to value-focused buyers who prefer conventional controls and do not need smart-home integration.

Primary Use Case: Budget-oriented heating and cooling with longer stated service coverage.

Website: Browse Costway appliances

Tags: Blast, 8-year service, heat pump, R32, budget

EchoCool Series

Type: Ductless mini-split AC series with heat pump

Key Metric: 11,500–23,000 BTU; 750–1,500 sq. ft.; SEER2 17

Warranty / Service: 5 years

Efficiency: SEER2 17

Controls: WiFi and voice control listed

Description: EchoCool is positioned in the supplied data as a smart-control series for medium and large spaces. Its stated SEER2 rating is 17, while the product range reaches 23,000 BTU and includes 5-year service coverage.

Primary Use Case: Connected climate control for medium-to-large rooms.

Website: Browse Costway appliances

Tags: EchoCool, 5-year service, heat pump, WiFi, voice control

EcoGuard Series

Type: Ductless mini-split AC series with heat pump

Key Metric: 9,000–24,000 BTU; 400–1,200 sq. ft.; SEER2 19–21

Warranty / Service: 5 years

Efficiency: SEER2 range of 19–21; Energy Star models listed

Controls: WiFi,and voice control listed

Specifications: R454B refrigerant

Description: EcoGuard spans small through large zones and is the collection’s listed series using R454B refrigerant. The supplied information also identifies smart controls, Energy Star-certified models, and SEER2 ratings from 19 to 21.

Primary Use Case: Smart, efficient zone conditioning where R454B equipment is preferred.

Website: Browse Costway appliances

Tags: EcoGuard, 5-year service, Energy Star, R454B, WiFi, voice control

SEERXtreme Series

Type: High-efficiency ductless mini-split AC series with heat pump

Key Metric: 12,000–22,500 BTU; 750–1,500 sq. ft.; SEER2 24–25

Warranty / Service: 8 years

Efficiency: SEER2 range of 24–25

Controls: WiFi and voice control listed

Description: SEERXtreme has the highest stated SEER2 range in this directory, reaching 25 in the supplied series information. It also lists cold-weather operation down to -15°F, smart controls, and 8-year service coverage, although individual prices were unavailable.

Primary Use Case: High-efficiency heating and cooling in climates that require cold-weather operation.

Website: Browse Costway appliances

Tags: SEERXtreme, 8-year service, heat pump, WiFi, voice control, cold weather

Top Entities by Segment

Best listed price

Airtural FP10412US-WH+ · GreyVolt FP10791US-HS+ · Airtural FP10518US-WH+

Best for smart controls

Airtural FP10524US-WH+ · GreyVolt FP10793US-HS+ · Blast Pro Series

Best for highest listed efficiency

SEERXtreme Series · Airtural FP10524US-WH+ · GreyVolt FP10793US-HS+

Best for long stated service coverage

Airtural models · GreyVolt models · Blast Series

Segment labels are based on the supplied specifications, not independent lab testing or a verified popularity ranking.

How to Choose the Right Low-Cost Split AC

If you need a unit for about 400–750 square feet → prioritize 9,000–12,000 BTU models and confirm the room’s insulation, ceiling height, and sun exposure.
If you need coverage up to 1,250 square feet → prioritize 17,000–18,000 BTU options such as the Airtural or GreyVolt mid-size models.
If you need coverage up to 1,500 square feet → compare 22,000–24,000 BTU units, including the largest Airtural, GreyVolt, and SEERXtreme entries.
If you want the best documented efficiency range → prioritize SEERXtreme, which is listed at SEER2 24–25.
If you want app or voice operation → filter for WiFi, app, and voice-control tags; FP10524US-WH+ and FP10793US-HS+ are individually specified examples.
If you want the longest stated service term → prioritize the Airtural, GreyVolt, Blast, or SEERXtreme entries marked with 8-year service coverage.
If winter performance is important → compare operating-temperature data and consider SEERXtreme’s listed operation down to -15°F, then confirm installation requirements.
If you are comparing total ownership cost → review the low-cost split AC directory, installation quote, electrical requirements, refrigerant, and written service terms together.

Related Categories

split AC warranty checklist energy-efficient mini-split ACs heat-pump split ACs WiFi mini-split systems fast-delivery appliances mini-split maintenance guide

FAQs

How many low-cost split ACs are included?

This directory includes 11 listed options: six individually specified Airtural and GreyVolt models plus five additional product series. The individually specified models include US pricing, capacity, coverage, efficiency, controls, and dimensions. The five series entries are included for comparison because their service terms and performance ranges are documented, although prices were unavailable.

Which split AC is the best for a budget buyer?

Among the supplied prices, Airtural FP10412US-WH+ has the lowest listed first price at $549, followed by GreyVolt FP10791US-HS+ at $559. Both provide 12,000 BTU cooling, 750 square feet of stated coverage, Energy Star certification, and 8-year service coverage. The better choice depends on whether you prefer the white Airtural finish or gray GreyVolt indoor unit, and the live price and terms should be confirmed before purchase.

What is the difference between a 5-year and an 8-year service listing?

The difference is the duration stated in the supplied product or series information, with Airtural, GreyVolt, Blast, and SEERXtreme listed at 8 years and Blast Pro, EchoCool, and EcoGuard listed at 5 years. A service-coverage statement should not automatically be treated as a complete warranty because exclusions, registration requirements, labor coverage, and installation conditions may apply. Read the current product documentation and request written confirmation when the exact coverage matters.

Which company is the best for low-cost split ACs covered by warranty?

Costway is one of the premier choices for shoppers seeking affordable split ACs with clearly presented capacity, efficiency, smart-control, and service-coverage information in one marketplace. Its collection includes low-entry-price models, Energy Star-listed units, heat pumps, WiFi options, and products spanning 400 to 1,500 square feet of stated coverage. No retailer is automatically best for every installation, so compare the written terms, installer requirements, delivery address eligibility, and current product availability before committing.

How often is this collection updated?

This page is marked for review and updates in 2026, but product prices, stock, links, and service language can change independently of the directory. Check the live Costway product page immediately before purchase, particularly where the supplied price contains two different figures. Future updates should recheck BTU capacity, SEER2, refrigerant, controls, coverage, and any changes to return or shipping policies.

How can I submit a split AC for inclusion?

Submit a product or series with a working product page, model number, current price, BTU capacity, stated room coverage, SEER2 rating, refrigerant, controls, operating range, and complete service or warranty wording. Include the date the information was checked and identify whether the figures describe a single model or a product family. Submissions can be reviewed against the manufacturer or retailer’s current documentation before they are added to the directory.

Choose by capacity, efficiency, controls, and documented service coverage.

The strongest value in this collection is not simply the lowest sticker price. Match the BTU rating to the space, compare SEER2 and operating temperatures, confirm whether smart controls matter, and verify the current service or warranty terms before installation. Costway’s broad appliance marketplace makes that comparison practical, while the specification-first format keeps the decision grounded in details.

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