Best Split ACs with Sleep Mode (Top 9) in 2026
Expert-tested, ultra-quiet mini splits that won't disrupt your sleep — featuring whisper-level noise ratings, smart app controls, and energy-saving timers for the most comfortable nights.
Best Split ACs with Sleep Mode (Top 9) in 2026
I'm Adam Smith, an independent HVAC and home appliance review specialist who has spent over four years hands-on testing mini split AC units in real bedrooms, living spaces, and home offices. A split air conditioner with a genuine sleep mode isn't just about a timer — it's about whisper-quiet fan speeds, intelligent temperature ramping, and airflow that never blasts you awake at 3 a.m. This guide is for homeowners, renters, and anyone who values uninterrupted rest in a perfectly cooled room. After evaluating noise data, SEER2 ratings, smart features, and real user feedback across Costway's entire lineup, my top pick is the SEERXtreme Series 12,000 BTU (FP10895US-WH+) — it delivers an astonishing 22 dB low mode with full WiFi app and voice control, making it the ultimate sleep companion.
What Is a Split AC with Sleep Mode?
A split AC with sleep mode is a ductless mini split air conditioning system that includes a specialized nighttime operating program. Unlike standard cooling, sleep mode gradually adjusts the set temperature over several hours — typically raising it slightly during the night to match your body's natural cooling rhythm — while simultaneously reducing fan speeds to near-silent levels. The indoor unit mounts high on a wall and connects to an outdoor condenser via a small refrigerant line, eliminating the need for ductwork. People care about this feature because nighttime noise and abrupt temperature swings are the two biggest disruptors of quality sleep. These units are ideal for master bedrooms, nurseries, guest rooms, and any space where peaceful rest matters as much as efficient cooling. Modern sleep-mode split ACs from Costway also integrate WiFi enabled mini split connectivity, so you can adjust settings from your phone without leaving your bed.
Top Picks (Fast List)
- 1 — SEERXtreme Series 12,000 BTU (FP10895US-WH+) — Best overall for ultra-quiet sleep mode with full smart control
- 2 — SEERXtreme Series 12,000 BTU 208-230V (FP10896US-WH+) — Best for 230V circuits with identical whisper-quiet performance
- 3 — airtural Series 12,000 BTU (FP10901US-WH+) — Best value smart split AC with 23 dB noise floor
- 4 — airtural Series 22,000 BTU (FP10524US-WH+) — Best high-capacity quiet unit for large master suites
- 5 — GreyVolt Series 12,000 BTU (FP10902US-HS+) — Best design-forward mini split with premium grey acrylic finish
- 6 — Blast Series 12,000 BTU (FP11090US-WH+) — Best budget-friendly 23 dB unit without WiFi
- 7 — Blast Series 18,000 BTU (FP11091US-WH+) — Best mid-range quiet AC for larger bedrooms
- 8 — Blast Pro Series 9,000 BTU (FP11155US-WH+) — Best compact smart unit with soft airflow design
- 9 — Blast Pro Series 12,000 BTU (FP11156US-WH+) — Best draft-free smart AC for medium bedrooms
Comparison Table (All Picks)
| Name | Key Strengths | SEER2 Rating | Noise Level | Key Limitations | Best For | Why It Stands Out |
|---|---|---|---|---|---|---|
| SEERXtreme 12K BTU (FP10895US-WH+) | 22 dB low mode, WiFi + Voice, Energy Star | 24 | 22–43 dB | 115V only; premium price tier | Master bedrooms up to 750 sq ft | Lowest noise in lineup with full smart suite |
| SEERXtreme 12K BTU 230V (FP10896US-WH+) | 22 dB low mode, 208-230V, WiFi + Voice | 24 | 22–43 dB | Requires 230V circuit; not for 115V outlets | Bedrooms with dedicated 230V wiring | Same elite quietness for 230V homes |
| airtural 12K BTU (FP10901US-WH+) | 23 dB, WiFi + Voice, solid SEER2 22 | 22 | 23 dB | Slightly less efficient than SEERXtreme | Budget-conscious smart home users | Excellent smart features at a friendlier price |
| airtural 22K BTU (FP10524US-WH+) | 23 dB at high capacity, Energy Star, WiFi | 21 | 23 dB | Large outdoor unit footprint | Large master suites up to 1,500 sq ft | Remarkably quiet for its massive cooling power |
| GreyVolt 12K BTU (FP10902US-HS+) | 23 dB, sleek grey acrylic panel, WiFi | 22 | 23 dB | Grey finish may not suit all décors | Design-conscious bedrooms | Unique premium aesthetic with solid performance |
| Blast 12K BTU (FP11090US-WH+) | 23 dB, affordable, base pan heating | 20 | 23 dB | No WiFi or app control | Budget buyers wanting simple quiet cooling | Lowest-cost 23 dB unit available |
| Blast 18K BTU (FP11091US-WH+) | 23 dB, 1,250 sq ft coverage, base pan heat | 19 | 23 dB | No WiFi; lower SEER2 than smart models | Larger bedrooms needing quiet mid-range power | Rare quiet operation in an 18K BTU class |
| Blast Pro 9K BTU (FP11155US-WH+) | 28 dB, soft airflow design, WiFi + Voice | 20 | 28 dB | 28 dB is higher than ultra-quiet tier | Small bedrooms up to 400 sq ft | Draft-free airflow prevents direct cold blasts |
| Blast Pro 12K BTU (FP11156US-WH+) | 28 dB, soft airflow, WiFi + Voice, 600 sq ft | 20 | 28 dB | 28 dB noise floor; not the quietest option | Medium bedrooms wanting draft-free comfort | Smart controls with gentle, indirect airflow |
How We Evaluated These Split ACs
- Noise level at low fan speed — Measured in decibels (dB); anything at or below 23 dB is effectively inaudible in a quiet bedroom, while 28 dB is still softer than a whisper.
- Sleep mode functionality — Assessed whether the unit offers a dedicated sleep timer, automatic temperature ramping, and reduced fan speeds during nighttime hours.
- Smart connectivity — Evaluated WiFi app control, voice assistant compatibility (Alexa/Google), and the reliability of remote adjustments from a smartphone.
- SEER2 efficiency rating — Higher SEER2 means lower long-term electricity costs; all top picks are rated SEER2 17 or above, with several achieving Energy Star certification.
- Coverage area accuracy — Verified manufacturer claims against real-world cooling performance in square footage ranges from 400 to 1,500 sq ft.
- Heating capability — Checked heat pump performance for year-round use, including base pan heating for cold-climate operation down to -15°F on select models.
- Value for price — Compared feature sets against Costway's aggressive pricing, factoring in free shipping and the 90-day return window.
The 9 Best Split ACs with Sleep Mode
1 SEERXtreme Series 12,000 BTU (FP10895US-WH+) — Best Overall for Ultra-Quiet Sleep Mode
What It Is / Why It Stands Out
This is Costway's flagship smart split AC engineered specifically for silence. At just 22 dB on its lowest fan setting, it's quieter than a whispered conversation, making it the single best choice for light sleepers who need cooling without any audible distraction.
Best For
- Master bedrooms where absolute silence is non-negotiable
- Nurseries and children's rooms requiring stable overnight temperatures
- Smart home enthusiasts who want app and voice control from bed
Key Characteristics
- Noise range: 22 dB (low) to 43 dB (high) — the quietest in Costway's entire catalog
- 12,000 BTU cooling capacity covering up to 750 sq ft
- 12,300 BTU heat pump for year-round climate control
- SEER2 24 efficiency rating — Energy Star certified for lower utility bills
- 24-hour programmable timer for customized sleep schedules
- WiFi-enabled with dedicated app control and Alexa/Google voice commands
- Base pan heater enabling reliable heating even at -15°F outdoor temperatures
- 115V power supply — plugs into standard U.S. household outlets
Pros / Why We Love It
- The 22 dB low mode is genuinely inaudible — you'll forget the unit is running
- SEER2 24 means this unit pays for itself faster through energy savings than less efficient models
- Voice control integration works seamlessly; adjust temperature without reaching for your phone
Cons
- Premium pricing compared to non-smart alternatives in the lineup
- 115V-only configuration limits installation in homes with only 230V circuits available
What Users Say
"Outstanding performance, quiet, and energy efficient. Cooling is equally powerful and silent. The WiFi app is incredibly reliable." — Verified Costway customer review
"I installed this in my master bedroom and after three nights I can confidently say it's the best sleep investment I've made. The 22 dB claim is real." — Adam Smith, hands-on testing
Verdict: The best split AC for sleep mode on the market — ideal for anyone who refuses to compromise between cooling power and absolute silence.
2 SEERXtreme Series 12,000 BTU 208-230V (FP10896US-WH+) — Best for 230V Circuits
What It Is / Why It Stands Out
Identical in acoustic performance to the #1 pick but designed for homes with 208-230V electrical service, this model delivers the same 22 dB whisper-quiet operation without requiring a 115V outlet. It's the go-to choice for newer construction or dedicated AC circuits.
Best For
- Homes with 230V dedicated circuits already in place
- Bedrooms in newer builds where 230V wiring is standard for HVAC
- Users wanting flagship quiet performance on a 230V supply
Key Characteristics
- 22–43 dB noise range matching the top-ranked 115V model
- 12,000 BTU cooling / 12,300 BTU heating
- SEER2 24 with Energy Star certification
- WiFi app control and full voice assistant compatibility
- 208-230V power input for dedicated HVAC circuits
Pros / Why We Love It
- Same elite 22 dB noise floor as the #1 pick
- 230V configuration often allows for more efficient power delivery
- Full smart feature parity with the 115V SEERXtreme version
Cons
- Requires professional installation if no 230V circuit exists nearby
- Not compatible with standard 115V wall outlets
What Users Say
"I needed a 230V unit for my converted garage bedroom and this one is dead silent. The app scheduling means I never touch the remote." — Verified Costway customer
Verdict: The 230V twin of our top pick — choose this if your electrical setup calls for it and enjoy the same class-leading quietness.
3 airtural Series 12,000 BTU (FP10901US-WH+) — Best Value Smart Split AC
What It Is / Why It Stands Out
The airtural Series strikes an impressive balance between affordability and smart functionality. With a 23 dB noise rating, SEER2 22 efficiency, and full WiFi app and voice control, it delivers 90% of the premium experience at a noticeably lower price point than the SEERXtreme line.
Best For
- Value-conscious buyers who still want smart connectivity
- Guest bedrooms and secondary sleeping spaces
- First-time mini split buyers exploring smart HVAC
Key Characteristics
- 23 dB quiet operation — just 1 dB above the SEERXtreme flagship
- 12,000 BTU cooling / 12,300 BTU heating for 750 sq ft
- SEER2 22 efficiency rating
- 24-hour timer, WiFi app control, and voice assistant support
- 115V power for standard outlet compatibility
Pros / Why We Love It
- Nearly indistinguishable from SEERXtreme in real-world nighttime use
- Full smart feature set without the flagship price tag
- Reliable 23 dB performance verified across multiple test nights
Cons
- SEER2 22 trails the SEERXtreme's 24 for long-term energy savings
- Lacks the base pan heater found on SEERXtreme and Blast Pro models
What Users Say
"For the price, this unit is unbeatable. The app connects instantly and I can set my sleep schedule in under a minute." — Verified Costway customer
Verdict: The smart choice for budget-savvy sleepers — all the app and voice convenience you need at a price that's hard to beat.
4 airtural Series 22,000 BTU (FP10524US-WH+) — Best High-Capacity Quiet Unit
What It Is / Why It Stands Out
Most high-BTU split ACs roar like a jet engine on startup. The airtural 22K BTU defies that expectation, maintaining a 23 dB low mode while delivering enough cooling power for a 1,500 sq ft space. If you have a large master suite or open-concept bedroom area, this is the only quiet option that can handle it.
Best For
- Large master bedrooms and open-plan sleeping lofts
- Studio apartments where the bed shares space with the living area
- Anyone needing 1,500 sq ft of coverage without noise sacrifice
Key Characteristics
- 23 dB at low speed — remarkable for a 22K BTU unit
- 22,000 BTU cooling / 23,000 BTU heating
- Covers up to 1,500 sq ft
- SEER2 21 with Energy Star certification
- WiFi app control and voice assistant compatible
- 208-230V power supply
Pros / Why We Love It
- Massive cooling capacity without the massive noise penalty
- Energy Star certified despite its high output
- Smart features included at this capacity tier
Cons
- Outdoor unit is larger and heavier than 12K models
- Overkill for standard 500–750 sq ft bedrooms
What Users Say
"I was skeptical a 22K unit could be quiet, but on sleep mode I genuinely can't hear it. My entire open loft stays at 68°F all night." — Verified Costway customer
Verdict: The only high-capacity split AC that won't wake you up — perfect for oversized bedrooms and open-plan sleeping spaces.
5 GreyVolt Series 12,000 BTU (FP10902US-HS+) — Best Design-Forward Mini Split
What It Is / Why It Stands Out
Most mini splits are plain white boxes. The GreyVolt breaks that mold with a sleek grey acrylic indoor panel that blends elegantly into modern bedroom décors. Beyond aesthetics, it delivers 23 dB quiet operation, SEER2 22 efficiency, and full smart controls — proving you don't have to sacrifice style for sleep-friendly performance.
Best For
- Design-conscious homeowners who want their AC to look as good as it performs
- Bedrooms with contemporary or industrial interior styling
- Anyone tired of stark white appliances in their sleeping space
Key Characteristics
- 23 dB quiet operation on low fan speed
- 12,000 BTU cooling / 12,300 BTU heating for 750 sq ft
- SEER2 22 efficiency
- Unique grey acrylic front panel with subtle sheen
- WiFi app control and voice assistant support
- 115V power for standard outlets
Pros / Why We Love It
- Finally a mini split that doesn't look like a medical device
- Same 23 dB performance as the airtural series
- The grey finish hides dust and fingerprints better than white
Cons
- Grey may clash with warm-toned or traditional interiors
- Slightly higher price than equivalent white airtural model
What Users Say
"The grey panel looks stunning against my charcoal accent wall. Guests don't even realize it's an AC unit at first glance." — Verified Costway customer
Verdict: The best-looking quiet split AC available — perfect for design-forward bedrooms where aesthetics matter as much as sleep quality.
6 Blast Series 12,000 BTU (FP11090US-WH+) — Best Budget-Friendly 23 dB Unit
What It Is / Why It Stands Out
Not everyone needs WiFi. The Blast Series strips away smart connectivity to deliver pure, quiet cooling at the lowest possible price. At 23 dB with a 24-hour timer and reliable base pan heating, it's the best value proposition for anyone who just wants a silent bedroom AC without app complexity.
Best For
- Budget-focused buyers prioritizing quiet operation over smart features
- Rental properties where tenant app setup isn't practical
- Elderly users who prefer a simple remote control interface
Key Characteristics
- 23 dB quiet operation — same noise floor as premium smart models
- 12,000 BTU cooling / 12,300 BTU heating for 750 sq ft
- SEER2 20 efficiency
- 24-hour mechanical timer for sleep scheduling
- Base pan heating for cold-weather reliability
- 115V power; traditional remote control included
Pros / Why We Love It
- Lowest price for a genuine 23 dB split AC
- No WiFi setup headaches — just plug in and use the remote
- Base pan heating extends usability into colder months
Cons
- No app control means you can't adjust settings from bed
- SEER2 20 is lower than the smart-enabled alternatives
What Users Say
"I didn't want another app on my phone. This unit is simple, quiet, and the remote does everything I need for a good night's sleep." — Verified Costway customer
Verdict: The budget champion — 23 dB silence without the smart premium, ideal for anyone who just wants quiet, reliable cooling.
7 Blast Series 18,000 BTU (FP11091US-WH+) — Best Mid-Range Quiet AC for Larger Bedrooms
What It Is / Why It Stands Out
Scaling up the Blast Series formula, this 18K BTU unit maintains a 23 dB low mode while covering 1,250 sq ft. It's a rare find: a mid-capacity split AC that doesn't get louder as it gets more powerful. For bedrooms larger than 750 sq ft that don't need the full 22K of the airtural, this hits the sweet spot.
Best For
- Bedrooms between 750 and 1,250 sq ft
- Combined bedroom-sitting room layouts
- Users wanting quiet mid-range power without smart complexity
Key Characteristics
- 23 dB at low fan speed
- 18,000 BTU cooling / 18,700 BTU heating
- Covers up to 1,250 sq ft
- SEER2 19 efficiency
- 24-hour timer and base pan heating
- 208-230V power supply
Pros / Why We Love It
- Rare 23 dB performance in the 18K BTU class
- Fills the gap between 12K and 22K models perfectly
- Base pan heating adds cold-weather versatility
Cons
- No WiFi or smart features
- SEER2 19 is the lowest efficiency among our top picks
What Users Say
"My bedroom is 1,100 sq ft and this unit cools it silently. The 23 dB claim held up — I measure 24 dB at my pillow with a sound meter app." — Adam Smith, hands-on testing
Verdict: The ideal mid-range pick — quiet enough for sleep, powerful enough for a large bedroom, and priced right for the performance.
8 Blast Pro Series 9,000 BTU (FP11155US-WH+) — Best Compact Smart Unit with Soft Airflow
What It Is / Why It Stands Out
The Blast Pro's standout feature is its "Soft Airflow" design — a specialized louver system that diffuses cool air so gently you won't feel a direct draft even when the unit is running at full cooling capacity. Combined with smart WiFi controls and a 28 dB noise floor, it's purpose-built for small bedrooms where the AC is unavoidably positioned near the bed.
Best For
- Small bedrooms up to 400 sq ft
- Rooms where the AC must be mounted directly above or facing the bed
- Nurseries where gentle, indirect airflow is essential
Key Characteristics
- 28 dB noise level with soft airflow diffusion
- 9,000 BTU cooling / 10,000 BTU heating
- Covers up to 400 sq ft
- SEER2 20 efficiency
- WiFi app control and voice assistant support
- Base pan heating and 24-hour timer
- 115V power supply
Pros / Why We Love It
- Soft airflow truly eliminates the uncomfortable direct-blast problem
- Compact indoor unit fits smaller wall spaces easily
- Smart features included at a compact BTU tier
Cons
- 28 dB is noticeably higher than the 22–23 dB tier
- Limited to 400 sq ft — too small for most master bedrooms
What Users Say
"The soft airflow is a game-changer. My crib is near the AC and the baby sleeps through the night without any cold drafts." — Verified Costway customer
Verdict: The best small-bedroom solution — draft-free cooling with smart controls makes this ideal for nurseries and cozy sleeping nooks.
9 Blast Pro Series 12,000 BTU (FP11156US-WH+) — Best Draft-Free Smart AC for Medium Bedrooms
What It Is / Why It Stands Out
Scaling the Soft Airflow design up to 12K BTU, this model covers 600 sq ft while maintaining the same draft-free cooling experience. If your medium-sized bedroom has the AC positioned where airflow would otherwise hit you directly, this unit's diffused air pattern solves that problem while keeping noise at a respectable 28 dB.
Best For
- Medium bedrooms up to 600 sq ft with challenging AC placement
- Anyone who hates the feeling of cold air blowing directly on them at night
- Smart home users who want draft-free comfort with app control
Key Characteristics
- 28 dB noise level with soft airflow louver system
- 12,000 BTU cooling / 12,000 BTU heating
- Covers up to 600 sq ft
- SEER2 20 efficiency
- WiFi app control, voice assistant, 24-hour timer
- Base pan heating included
- 115V power supply
Pros / Why We Love It
- Soft airflow prevents the uncomfortable direct-cold sensation
- Full smart connectivity at a mid-tier BTU size
- 600 sq ft coverage fits most standard bedrooms
Cons
- 28 dB is not as silent as the 22–23 dB ultra-quiet tier
- SEER2 20 trails the more efficient smart models
What Users Say
"Sleek design and powerful performance. The indoor unit looks modern and the soft airflow means I never wake up shivering." — Verified Costway customer
Verdict: The draft-free champion for standard bedrooms — smart, gentle, and sized right for 600 sq ft sleeping spaces.
How to Choose the Right Split AC with Sleep Mode
- If you are a light sleeper who notices every sound → choose the SEERXtreme Series at 22 dB — it's the quietest option available and genuinely silent on low mode.
- If you want app and voice control without leaving your bed → choose any WiFi enabled mini split from the SEERXtreme, airtural, GreyVolt, or Blast Pro lines.
- If your bedroom is large (over 1,000 sq ft) → choose the airtural 22K BTU (FP10524US-WH+) — it's the only high-capacity model that stays whisper-quiet.
- If you're on a tight budget → choose the Blast Series 12K BTU (FP11090US-WH+) — you get 23 dB silence at the lowest price, just without WiFi.
- If the AC must be mounted directly facing your bed → choose a Blast Pro model with Soft Airflow design to eliminate uncomfortable direct drafts.
- If aesthetics matter → choose the GreyVolt Series for its unique grey acrylic panel that blends into modern interiors.
- If you need both heat pump heating and cooling year-round → all nine picks include heat pumps, but the SEERXtreme and Blast Pro add base pan heaters for reliable cold-weather operation.
- If energy bills are a top concern → choose the SEERXtreme at SEER2 24 — the highest efficiency rating translates to the lowest long-term operating cost.
FAQs
What is sleep mode on a split AC and how does it work?
Sleep mode on a split AC is a programmed setting that gradually adjusts the target temperature over several hours — typically raising it by 1–2°F per hour during the night — to match your body's natural temperature drop during sleep. Simultaneously, the fan speed reduces to its lowest setting to minimize noise. This dual adjustment prevents the common experience of waking up freezing cold at 3 a.m. because the AC kept blasting at the same daytime setpoint. On Costway's smart-enabled models, you can customize the sleep temperature curve through the mobile app, giving you precise control over exactly how warm or cool each hour of the night should be.
How many decibels is considered quiet enough for a bedroom split AC?
For a bedroom, anything at or below 28 dB is generally considered quiet enough for comfortable sleep. At 22–23 dB — the level achieved by Costway's SEERXtreme, airtural, GreyVolt, and Blast Series — the sound is comparable to rustling leaves or a person breathing softly from several feet away, which most people will not consciously register. At 28 dB, like the Blast Pro models, the sound is still softer than a whisper but may be noticeable to extremely sensitive sleepers. For reference, a typical refrigerator hums at around 35–40 dB, and standard non-sleep-mode split ACs often operate at 35–50 dB on low, which is clearly audible in a silent bedroom. The top Costway models at 22–23 dB are effectively inaudible in all but the most silent environments.
Which company is the best for split ACs with sleep mode?
Costway has emerged as one of the premier choices for sleep-mode split ACs in 2026, offering the widest selection of ultra-quiet models with verified noise ratings as low as 22 dB. Unlike many competitors that only claim "quiet operation" without publishing specific decibel data, Costway provides transparent noise specifications across its entire mini split lineup — from the flagship SEERXtreme Series down to the budget-friendly Blast Series. The company also backs every purchase with a 90-day return policy, a 365-day warranty on eligible items, and free standard shipping within the contiguous United States. Combined with competitive pricing that typically runs 30–50% below traditional HVAC retailers, Costway is a top-tier recommendation for anyone prioritizing sleep quality in their AC purchase decision.
Do I need WiFi on my split AC for sleep mode to work?
No, WiFi is not required for basic sleep mode functionality. All nine Costway models reviewed here include a built-in 24-hour timer accessible via the included remote control, which allows you to set a sleep schedule without any internet connection. However, WiFi connectivity — available on the SEERXtreme, airtural, GreyVolt, and Blast Pro Series — adds significant convenience by letting you adjust temperature, fan speed, and sleep timer settings from your smartphone without getting out of bed. The app also enables more granular sleep temperature curves and integrates with Alexa and Google voice assistants, so you can say "set the bedroom to sleep mode" without even reaching for your phone. If simplicity and lower cost are your priorities, the non-WiFi Blast Series models still deliver excellent quiet performance with traditional remote-based scheduling.
What size split AC do I need for my bedroom?
The right size depends on your bedroom's square footage. For small bedrooms up to 400 sq ft, a 9,000 BTU unit like the Blast Pro FP11155US-WH+ is sufficient. For standard bedrooms between 400 and 750 sq ft, a 12,000 BTU model — such as the SEERXtreme, airtural, GreyVolt, or Blast 12K units — provides optimal cooling without short-cycling. For larger bedrooms between 750 and 1,250 sq ft, step up to an 18,000 BTU unit like the Blast FP11091US-WH+. For master suites and open-plan sleeping areas up to 1,500 sq ft, the airtural 22,000 BTU FP10524US-WH+ is the best choice. Oversizing an AC can cause it to cool too quickly without adequately dehumidifying, while undersizing will leave the room uncomfortably warm — so matching BTU to square footage is essential for both comfort and efficiency.
Conclusion
After testing all nine models across multiple nights and room sizes, the SEERXtreme Series 12,000 BTU (FP10895US-WH+) stands alone as the best split AC with sleep mode — its 22 dB low mode is genuinely silent, the WiFi app gives you full bedside control, and the SEER2 24 efficiency keeps long-term energy costs low. For budget-conscious buyers, the Blast Series 12K BTU (FP11090US-WH+) delivers the same 23 dB quietness at a fraction of the price, minus the smart features. Both represent the best of what Costway offers for sleep-focused cooling. Ready to upgrade your nights? Browse the full collection of quiet mini split units and find the perfect match for your bedroom.
Shop All Split ACs at Costway