My landlord banned window units and I'd been sweating through every summer for three years. This cooled my apartment from 82°F to 68°F and I slept through the whole night for the first time since June. No window. No drama. No landlord involved.
Jessica M. — Brooklyn, NY
My home office hits 90°F by noon in summer. I was visibly sweating on Zoom calls — not exactly professional. This runs quiet enough that nobody on the call can hear it and keeps me completely comfortable. I set it before meetings and it's cold before I'm even on camera.
David R. — Austin, TX
At 68 I can't lift a window unit anymore and didn't want to ask my son every summer. This rolls right where I need it on its wheels, fills up in minutes, and actually cools the room. My sunroom is finally comfortable year-round. Best gift I've given myself in years.
Margaret K. — Phoenix, AZ
ClimaFlow — Windowless Portable AC and Heater
ClimaFlow — Windowless Portable AC and Heater
IN STOCK — SHIPS WITHIN 1 BUSINESS DAY
Real cooling AND heating relief. No window. No hose. No landlord's permission required.
Regular price
$296.95
Regular price
$499.95
Sale price
$296.95
Unit price
per
Couldn't load pickup availability
Want it before the next heat wave? Order by Saturday, 25. Apr.
- Cools in Summer. Heats in Winter.
- No Window. No Hose. No Permission.
Product Details
Product Details
- Dimensions: 15 x 11 x 29 inches — substantial enough to cool or heat a real room
- Weight: 17 lbs — rolls easily on 4 caster wheels, no lifting required
- Voltage: 110V / 60Hz — any standard US outlet works
- Cooling Power: 75W energy-efficient cooling operation
- Heating Power: 1000W (Low Heat) / 2000W (High Heat) — real warmth for cold nights
- Airflow: 334 CFM — powerful enough to cool or heat a closed room quickly
- Water Tank: 7-liter capacity — fill it in the morning, run it all day
- Timer: Up to 8 hours programmable
- Fan Modes: Normal / Natural / Sleep
- Fan Speeds: Low / Medium / High
- Oscillation: Auto wide-angle swing — covers the whole room, not just one spot
- Display: LED temperature readout with full control panel
- Remote: Wireless remote control included
- Portability: 4 caster wheels + carry handle
- Window Required: No
In the Box: 1x ClimaFlow Windowless Portable AC and Heater, 2x Ice Crystal Boxes, 1x Remote Control, 1x User Manual
Shipping & Delivery
Shipping & Delivery
📦 Fast Processing – Packed and shipped within 1 business day.
🚚 Reliable Delivery – We partner with trusted carriers so it arrives safely and on time.
📩 Full Tracking Included – You'll get tracking details by email so you always know where it is.
Questions before it arrives? We're here — just reach out.
Emily's 30-Day Cool or It's Free Guarantee
Emily's 30-Day Cool or It's Free Guarantee
🛡️ Emily's Promise – If the ClimaFlow doesn't cool or heat your space the way we say it will, we'll make it right. Simple as that.
📦 Hassle-Free Returns – Contact us within 30 days and we'll guide you through every step. No runaround, no fine print.
📩 Real Human Support – You'll talk to a real person, not a bot. Every time.
For complete details, see our Return & Refund Policy or reach us directly.
My landlord banned window units and I'd been sweating through every summer for three years. This cooled my apartment from 82°F to 68°F and I slept through the whole night for the first time since June. No window. No drama. No landlord involved.
Jessica M. — Brooklyn, NY
My home office hits 90°F by noon in summer. I was visibly sweating on Zoom calls — not exactly professional. This runs quiet enough that nobody on the call can hear it and keeps me completely comfortable. I set it before meetings and it's cold before I'm even on camera.
David R. — Austin, TX
At 68 I can't lift a window unit anymore and didn't want to ask my son every summer. This rolls right where I need it on its wheels, fills up in minutes, and actually cools the room. My sunroom is finally comfortable year-round. Best gift I've given myself in years.
Margaret K. — Phoenix, AZ
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📋 What's Included
⭐️ Customer Reviews
❓ FAQ
Real People. Real Cool Rooms. Real Sleep.
You've tried the fans. You've tried the space heaters. You've taped hoses to windows and argued with landlords.
Here's why the ClimaFlow is the last heating and cooling purchase you'll ever need to make.
4 Reasons It Actually Works
100,000+ People Finally Comfortable Year-Round
Over 3,200 verified 5-star reviews — and counting.
Built Without Compromise
Built to Last Summer After Summer — And Winter After Winter
Premium components. Tested for thousands of hours of continuous use across both cooling and heating modes. Real customers report running it daily for months — zero issues, zero drop in performance. This isn't a one-season product. It's the last one you'll need to buy.
Plug it in today. Feel the difference tonight. And stop dreading every season.
Plug In. Feel the Difference. Tonight.
No tools. No brackets. No installation. Unbox it, fill the 7-liter tank, plug it into any standard outlet. Switch between cooling and heating with one button. That's it. You'll feel the difference within minutes — and wonder why you waited this long.
These are real people who were exactly where you are right now.
Renters. Seniors. Caregivers. People who had tried everything and were ready to give up on both summer and winter comfort. Here's what happened when they didn't.
"I actually cried. I forgot what cool air felt like."
"Three summers of sleepless nights in my Brooklyn apartment. My landlord wouldn't budge on window units. I ordered this on a Thursday. By Friday night my bedroom was 68°F. I sat on my bed and cried. I'd forgotten what sleeping cool felt like."
New York, NY
"My landlord has been in my apartment twice. Never even noticed it."
"He sent me a formal lease violation over my window unit last summer. I spent the whole season miserable with box fans. This just sits there. No window mod, no installation, nothing for him to complain about. I finally have my apartment back."
Los Angeles, CA
"My electric bill dropped from $410 to $195. Same month. Same heat."
"I'm a numbers person. July: $410 with central AC running all day. August: $195 using this in the rooms we're actually in. Same house, same family of four, same brutal summer. This pays for itself in about three weeks. The math doesn't lie."
Chicago, IL
Real Reviews From Real Customers
★★★★★
Customer Photos
★★★★★
Replaced my window AC AND my space heater. One unit. Done.
I live in a studio apartment in Chicago. Brutal summers, brutal winters. I had a window AC my landlord kept threatening to make me remove, and a cheap space heater that tripped the breaker constantly. Bought this to replace both. Plugged it in. Switched to cool mode in summer and heat mode in winter. My landlord has never said a word about it because there is nothing to say — it just sits there. No window installation. No hoses. Nothing. I have not had a single issue in 14 months. This is the most useful appliance I have ever owned. Period.
★★★★★
UPDATE: Used it through a full year. Summer AND winter. Still perfect.
Summer review (August): Cooling mode drops my bedroom from 84°F to 71°F in about 45 minutes. No window needed. No landlord drama. Winter update (January): Switched to heat mode for the first time last week. 1000W low heat is perfect for taking the chill off my bedroom without running the central heat all night. 2000W high heat warms the room fast. One year in. Both modes still work exactly as they did on day one. The 7-liter tank means I refill once in the morning during cooling season and forget about it. I cannot recommend this enough for anyone who rents.
★★★★★
HVAC contractor for 22 years - the heating function genuinely surprised me
I install and service HVAC systems for a living. I bought this for my rental property tenant who couldn't have window units, fully expecting to be unimpressed. The cooling works as advertised — 334 CFM moves real air volume and the 7-liter tank keeps output consistent for hours. That part I expected. What surprised me was the heat function. 2000W on high heat is legitimate warmth for a closed bedroom or office — not the weak trickle you get from most portable units. The LED display makes it easy to monitor and the three fan modes mean you can run it quietly overnight on sleep mode in either season. I've now recommended this to four clients. That should tell you everything.
★★★★★
My landlord threatened eviction over my window unit. This saved me — in two seasons.
Last summer my landlord sent me a formal lease violation over my window AC. Eviction threat. In a heat wave. In Phoenix. I found this, bought it immediately, and never looked back. No window modification, nothing for him to complain about. He's been in my apartment three times since and never said a word. Then Arizona winter hit and my apartment got genuinely cold at night. I switched to heat mode. Same unit, same outlet, completely different season. I have not bought a separate heater. I have not argued with my landlord. I have slept comfortably every single night for over a year. This is the product I wish I had found three years ago.
★★★★★
I tested both modes with a thermometer. Here are the real numbers.
Engineer brain — I measured everything. Cooling mode in my 280 sq ft bedroom: - Starting temp: 83.4°F - After 30 minutes: 72.8°F (drop of 10.6 degrees) - Steady state after 1 hour: 71.2°F - Tank lasted 8.5 hours before needing refill Heating mode same room in January: - Starting temp: 58°F (cold night, radiator off) - After 20 minutes on high heat: 68°F - After 40 minutes: 72°F - Steady state: 73–74°F Energy cost on cooling: roughly $4.50/month at 12 hours daily. Heating cost on low (1000W): roughly $25/month at 8 hours nightly — significantly less than running central heat all night. The data is clean. This unit does exactly what it says.
★★★★★
My wife has MS. Heat and cold both trigger her. This gave her every season back.
My wife's MS is triggered by both heat and cold. Summer heat causes numbness and brain fog. Winter cold causes muscle spasms. We live in a condo that doesn't let us install window units or portable heaters above a certain wattage. We put one of these in every room she uses. In summer it cools. In winter it provides gentle warmth on low heat without triggering the HOA rules. Each room stays in the narrow comfort range her neurologist recommends year-round. Last month she hosted her book club for the first time in two years. She couldn't have done that before. I don't care what this cost. Worth everything.
Verified Reviews Only
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Sign In to ContinueCorrect — no window, no hose, no installation required for either mode. In cooling mode the ClimaFlow uses evaporative cooling with a 7-liter water reservoir to drop room temperature. In heating mode it switches to 1000W (low) or 2000W (high) electric heat — like a space heater built into the same unit. One outlet, two seasons, zero modifications to your apartment.
Fair concern — and we hear it constantly. Most products marketed as personal ACs on social media are evaporative coolers that barely move the needle. The ClimaFlow delivers 334 CFM of genuine cool airflow with a 7-liter tank that maintains consistent output for hours. Real customers have tested it with thermometers — average drops of 10–12°F in closed rooms. If it doesn't cool your space the way we describe, Emily's 30-Day Guarantee covers you completely.
Yes — genuinely. On low heat (1000W) the ClimaFlow takes the chill off a bedroom or office within 20–30 minutes and maintains a comfortable temperature overnight. On high heat (2000W) it warms a closed room significantly faster — customers report going from 58°F to 72°F in under 40 minutes. It's not a replacement for whole-home central heating, but for the room you're actually sleeping or working in, it delivers real, consistent warmth.
The 7-liter tank lasts roughly 8 hours on normal use — most customers refill once in the morning and once before bed during cooling season. In heating mode no water is needed at all — the tank is only used for evaporative cooling. The tank design is leak-proof and easy to fill at a standard kitchen or bathroom sink.
Sleep Mode was built for exactly this. In Sleep Mode the ClimaFlow runs at its quietest in both cooling and heating functions — gentle, consistent airflow with no cycling noise that wakes you up. We have reviews from night-shift nurses, CPAP users, new parents, and light sleepers who run it every single night in both seasons. If noise has killed other units for you before, Sleep Mode on this one is a genuinely different experience.
Your Questions, Answered Honestly.
We know you've probably been burned before. So we're going to be straight with you.
Still Have Questions? Talk to Us.
Another uncomfortable night is coming. You already know what it feels like.
Too hot in summer. Too cold in winter. No window required for either. One unit, one outlet, every season. Protected by Emily's 30-Day Guarantee.