Filterbuy 12,000 BTU Ductless Mini Split AC & Heat Pump | 115V | 17 SEER2
Will a 12,000 BTU 115V Mini Split Work for Your Room?
Yes — the Filterbuy 12,000 BTU 115V ductless mini split heats and cools rooms up to 300 sq ft and plugs into a standard 110/120V household outlet. That means no dedicated 230V circuit and no electrician visit before your installer can start. It is a variable-speed heat pump, so one wall-mounted unit handles both summer cooling and winter heating, with built-in WiFi app control and free 2-day shipping.
115V vs. 230V — same comfort, different outlet:
- 115V (this unit): Plugs into a standard household outlet — easier and more affordable to install.
- 230V: Needs a dedicated 230V circuit, like a dryer or oven. Same heating and cooling capacity.
Not sure which size or model fits your space? Answer 3 quick questions and we will match you to the right mini split.
About This Mini Split
That bonus room above the garage has been too hot since summer started. The home office gets whatever temperature the rest of the house decides on. The garage workshop? Not even worth trying. The Filterbuy 12,000 BTU ductless mini split was built for exactly these situations: real heating and cooling for rooms up to 550 sq ft, no ductwork required.
What makes the 115V model practical right away is the power connection. It runs on a standard 110/120V household outlet, so your HVAC contractor can start the job without waiting on an electrician. That's a real cost difference before installation even begins, especially in garages, additions, and older homes.
Under the hood, a variable-speed DC inverter compressor reads your room and adjusts output continuously. It ramps up fast for rapid cooling, then backs off to hold your temperature steady, drawing less power and running quieter while it does it. Add built-in WiFi, and you can adjust your comfort from the couch or from across town.
Every unit ships free in 2 days, with everything your contractor needs already in the box. And because this is Filterbuy, you're backed by the air quality team that has helped millions of homeowners take control of what they breathe indoors.
Why Choose This Mini Split?
Variable Speed Efficiency
The DC inverter compressor doesn't cycle on and off the way older systems do. It reads your room and adjusts speed in real time, running hard for rapid cool-down and dialing back once you're there. The result is more consistent comfort throughout the day and lower electricity bills compared to fixed-speed systems.
115V Standard Power
This mini split runs on a standard 110/120V outlet, so there's no dedicated 230V circuit to run and no electrician visit required before your HVAC installer can start. For garages, additions, and older homes where rewiring isn't in the budget, that's often what makes the 115V model the right call.
Smart App Control
The built-in WiFi connects to a dedicated mobile app. Adjust temperature, set schedules, switch between heating and cooling modes, and check system status from your phone. Cool down your home office before you sit down. Warm up the garage before you head out to the workshop.
Whisper-Quiet Operation
The indoor unit runs as low as 28 dB in Mute Mode. Window air conditioners typically run at 50–70 dBA. This unit runs quieter because the compressor lives outside, not in your room. Sleep mode reduces output even further for undisturbed rest.
Year-Round Comfort
This is a heat pump, which means it handles both summer cooling and winter heating from a single wall-mounted unit. It reverses refrigerant flow to pull warmth from outdoor air and deliver it inside. No separate space heaters. One system, every season.
Self-Cleaning Technology
After each cooling cycle, an automated self-cleaning function dries the evaporator coil to stop mold and bacteria from taking hold. It protects your air quality and extends system life. On most units, this is a premium feature. On every Filterbuy mini split, it comes standard.
Perfect for Rooms Up to 550 Sq Ft
Bedrooms & Guest Rooms
Whisper-quiet operation and a dedicated sleep mode make this mini split a natural fit for bedrooms. Set your temperature, turn off the lights, and the system holds it there through the night without the noise of a window unit waking you up.
Home Offices
Zone control means you set the temperature for your workspace without affecting the rest of the house. No thermostat arguments. No waiting for the central system to catch up. Just focused, comfortable air where you actually need it.
Garages & Workshops
Garages don't have ductwork, and window ACs can't handle the heat load of an enclosed workspace. A ductless unit solves both problems, and the 115V connection means you power it from a standard outlet with no rewiring.
Additions & Back Houses
Adding a room? Building an ADU or casita? The 115V advantage means you add heating and cooling without running new 230V electrical. Everything your contractor needs comes in the box. Your new space goes from construction zone to comfortable faster.
Sunrooms & Enclosed Porches
A sunroom that's comfortable year-round is a different room entirely. The heat pump handles both extremes: cooling in direct summer sun and heating through winter. No matter what's happening outside, your sunroom stays livable.
What's in the Box
Everything your HVAC contractor needs for a complete professional installation:
• Indoor wall-mount air handler unit
• Outdoor condenser/compressor unit
• Pre-flared copper line set
• 115V power supply cable
• Wireless remote control
• Mounting bracket and hardware
• Installation instructions and wiring diagram
• Drain hose and fittings
Professional HVAC installation is required. Self-installation voids the manufacturer's warranty. The good news: everything your contractor needs is already in the box, so installation stays straightforward with no extra supply house runs.
Backed by Air Quality Experts
When you buy a mini split from Filterbuy, you're getting more than a cooling system. You're getting the support of a team that has spent over a decade obsessing over indoor air.
We're the nation's leading air filter provider. That means we know something most mini split retailers don't: proper filtration and regular maintenance are what separate a system that runs 8 years from one that runs 20. Mini splits rely on multi-layer filtration that needs routine cleaning to maintain airflow, efficiency, and air quality. Skip that maintenance, and you're looking at higher energy bills, reduced performance, and air that's quietly working against you.
We've helped millions of homeowners take control of what they breathe indoors. We bring that same expertise to every mini split we sell. When you choose Filterbuy, you get:
• Expert maintenance guidance to keep your system running at peak performance
• Filter cleaning reminders so the maintenance that protects your investment never slips
• Access to our IAQ resource library with guides on air quality, allergens, and system care
• Free 2-day shipping on every order, anywhere in the US
• Real customer support from people who actually understand air quality
Other retailers sell you a box. We help you breathe better for years to come.
Frequently Asked Questions
Ready to Add Comfort to Your Space?
The Filterbuy 12,000 BTU ductless mini split delivers professional-grade heating and cooling for rooms up to 550 sq ft, powered by a standard 115V outlet and backed by air quality experts. Free 2-day shipping and a 7-year compressor / 3-year parts warranty. Everything your contractor needs is already in the box.
