Comfort Made Simple.

Innovative heating and air for your home and business. Together, our customers and partners help MRCOOL® change what's possible in HVAC.

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DIY® 5th Gen
No Pros. No Pressure. Total Control.
DIY® 5th Generation
No Pros. No Pressure. Total Control.
- Up to 23.6 SEER2 Efficiency
- Up to 36K BTU
- 100% DIY QuickConnect®
- Gold Fin® Anti-Corrosion
Our most advanced DIY® system yet. Featuring pre-charged Quick Connect® lines, multi-zone capability, hyper-efficient heating down to sub-zero temps, and zero pro fees. Explore full 5th Gen specs.
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DIY® Select
Serious Comfort. Sensible Cost.
DIY® Select
Serious Comfort. Sensible Cost.
- Up to 17.5 SEER2
- 9K - 24K BTU
- Pre-Charged 16ft Lines
Professional mini-split efficiency without the contractor invoice. Mount the wall unit, screw in the pre-charged lines, and enjoy quiet single-zone comfort in hours. See available models.
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Smart Thermostat
Your Climate, On Command.
Smart Thermostat
Your Climate, On Command.
- iOS & Android
- Amazon Alexa
- Google Home
Command your comfort from anywhere. Adjust temperatures on the fly with the mobile app or fine-tune zones hands-free via Amazon Alexa and Google Assistant. See smart features.
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Monoblock
The All-In-One Climate Solution
Monoblock
The All-In-One Climate Solution
- 4-in-1 Versatility
- DC Inverter
- Whisper-Quiet
Professional-grade heating and cooling in a self-contained, space-saving design.
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Universal® Split
Next-Level Ducted Comfort.
Universal® Split R-454B
Next-Level Ducted Comfort.
- Up to 18.6 SEER2
- Heats at -22°F (-30°C)
- Precharged Lineset
Whole-home ducted power built for extreme climates. Delivering hyper-efficient heating down to -22°F (-30°C) with pre-charged lines for a streamlined upgrade. See Universal® configurations.
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TravelCool
Residential-Grade Luxury Meets Open-Road Freedom
TravelCool
Residential-Grade Luxury Meets Open-Road Freedom
- Energy Efficient
- Smart Convenience
- Quiet Operation
The TravelCool™ by MRCOOL® Rooftop Inverter RV Unit delivers reliable, energy-efficient cooling so you can enjoy every journey in total comfort.
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