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TCL
Q-Series Smart Inverter H8W4MW
8,000 BTU TCL Q-Series inverter window AC rated CEER 15 and Energy Star certified, a value-priced quiet unit for rooms up to 350 sq ft with WiFi control.
$399.99
Live price at SylvanePrice checked Nov 10, 2026
Black Friday price check: The same price at Sylvane every day since Jul 25. Every window air conditioner checked
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Will it cool your room?
This unit's cooling matches a 350 sq ft room. Set your room size to check the fit for your space.
Estimated from ENERGY STAR's published annual energy use at about 750 hours of cooling a year (the DOE test standard) and the US average electricity price of 18.44¢/kWh (U.S. Energy Information Administration, Electric Power Monthly Table 5.6.A (residential average, May 2026)). A standardized figure for comparison; your real cost depends on how much you run it, your local rate and your climate.
Local rates vary widely (about 15¢/kWh in Florida to 33¢ in California), and hotter regions run their AC more hours, so your real cost differs.
At a glance
Best for budget buyers who still want inverter efficiency.
Performance
- Cooling capacity
- 8,000 BTU · 2.3 kW
- Heating capacity
- Cooling only
- Room coverage
- up to 350 sq ft
- Energy Star
- Yes
- CEER
- 15
- Annual energy (cooling)
- 400 kWh
Noise, size & features
- Model number
- H8W4MW
- Indoor noise
- 42 dB(A)about as loud as a quiet library
- Outdoor noise
- Not published
- Indoor unit
- 14.0 x 23.0 x 18.8 in (HxWxD)
- Outdoor unit
- None
- Refrigerant
- R-32
- Wi-Fi / app
- Yes
- Outdoor unit needed
- No
- Power supply
- 115 V, NEMA 5-15P plug
- Warranty
- 1-Year Limited Parts and Labor Warranty
Supply voltage, plug, refrigerant and warranty are from Sylvane's published specifications for this exact configuration, checked Nov 3, 2026.
What is good
- Inverter, CEER 15, Energy Star certified, uses 38% less energy than the federal standard
- Strong value pricing for an inverter unit
- EZ-Install and openable-window design
- R-32 refrigerant and WiFi app control
What to watch
- Manufacturer does not publish a single dB figure
- Standard window mount
- Brand support and app polish trail the majors
Installation & the rules that apply
This is a window unit. No EPA Section 608 technician is needed: the refrigerant circuit is factory-sealed and never opened. A plug-in window unit needs no permit, so the friction is with your building rather than the government. Many HOAs restrict window units on appearance grounds, though an HOA regulating how you mount one stands on much firmer ground than one banning cooling outright. Landlords can set conditions, and the falling hazard is taken seriously: New York City, for instance, requires window units to be supported by brackets or mounting rails, and many building insurers and HOAs now require a bracket regardless of city.
Self-fit, no pro needed
R-32
Common questions about the TCL Q-Series Smart Inverter H8W4MW
- How much does the TCL Q-Series Smart Inverter H8W4MW cost to run per year?
- About $75 a year. Estimated from ENERGY STAR's published annual energy use at about 750 hours of cooling a year (the DOE test standard) and the US average electricity price of 18.44¢/kWh (U.S. Energy Information Administration, Electric Power Monthly Table 5.6.A (residential average, May 2026)). A standardized figure for comparison; your real cost depends on how much you run it, your local rate and your climate.
- How loud is the TCL Q-Series Smart Inverter H8W4MW?
- 42 dB(A) indoors, about as loud as a quiet library.
- How energy-efficient is the TCL Q-Series Smart Inverter H8W4MW?
- Its efficiency rating is CEER 15, and it is ENERGY STAR certified.
- What size room does the TCL Q-Series Smart Inverter H8W4MW cool?
- It is rated to cool a room up to 350 sq ft (8,000 BTU · 2.3 kW).
- Do I need a professional to install the TCL Q-Series Smart Inverter H8W4MW?
- No. It is a window unit you can fit yourself, no professional needed. Usually no permit.
Compare the TCL Q-Series Smart Inverter H8W4MW head-to-head
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