Carrier Crossover Consumer Foldout
With up to 18.8 SEER2 and 9.7 HSPF2, this heat pump can help reduce energy consumption, potentially lowering your heating and cooling bills while maintaining exceptional performance.
Comfort™ 18 Compact Mini Split Crossover Heat Pump
37MURA
Big versatility in a small, energy-saving system.
Overview
The Comfort™ 18 Mini Split Crossover Heat Pump helps redefine efficiency and versatility. Designed with limited spaces in mind, this compact heat pump can be installed just six inches from your home, on a roof, or even stacked for multi-unit housing. It delivers up to 18.8 SEER2 cooling efficiency for potential energy savings and pairs seamlessly with Carrier’s 45MUAA fan coil or 45MULA evaporator coil. A great fit for anyone seeking a compact heat pump with enhanced performance, this system delivers year-round comfort while optimizing space.
Features
Experience reliable climate control with premium comfort features for all-season, everyday use.
Maintains balanced indoor humidity levels and operates efficiently even at lower speeds, helping enhance your comfort.
Enjoy quiet operation at sound levels as low as 55 decibels, helping improve your home's tranquility.
Its compact design supports diverse applications, making it a great choice for smaller homes and multi-family residences.
Compatible with Puron Advance™ refrigerant, which reduces global warming potential by 75% compared to traditional options, while maintaining non-ozone-depleting properties.
Experience peace of mind with Carrier's Consumer Choice Warranty. Upon timely registration, on eligible equipment select either a 10-year parts only limited warranty or a 5-year parts, plus a 3-year labor limited warranty.1
At a glance
Cooling Efficiency
Up to 18.8 SEER2, up to 11 EER2Heating Efficiency
Up to 9.7 HSPF2Sound Performance
As low as 55 decibelsCompressor Type
Variable-speedSize
Available in various sizes to accommodate most homesRefrigerant
Puron Advance™Enhance your home’s comfort with the reliable design and energy efficiency of this compact heat pump crafted for modern living.
Customer Reviews
5.0 /5
5.0 rating of Reviews (1)
Verified purchase
Heat Pump
December 26, 2025
I love my heat pump!!
Documents
Brochure
Carrier Crossover Consumer Brochure featuring Puron Advance (Spanish)
Carrier Crossover Consumer Brochure featuring Puron Advance
Carrier Cold Climate Heat Pump Brochure
Carrier Crossover Consumer Brochure featuring Puron Advance (French)
Warranty Card
CAC/BDP Limited Warranty Certificate Limited Warranty for Ductless Split Units
California residents please see Proposition 65
Legal disclaimer
- To the original owner on eligible equipment for eligible residential applications. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty, which can be changed to the 5-year parts, plus a 3-year labor option on eligible equipment within the first 90 days after installation. The 5-year parts, plus 3-year labor warranty option is available only if the installing dealer/contractor has elected to participate in the Consumer Choice warranty program and has accepted the Consumer Choice dealer terms and conditions.