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Carrier 37MURA Crossover Heat Pump

The Carrier 37MURA is an efficient, budget-friendly “Crossover” heat pump. Designed for versatility and space-saving, it bridges the gap between traditional central air and ductless technology, featuring a slim, horizontal discharge design. This makes it a perfect solution for narrow lots, zero-lot-line applications, or installations on roofs and balconies.

  • Exceptional versatility for tight spaces; can be installed as close as 6 inches from the home.
  • Designed to pair seamlessly with the 45MUAA fan coil or the 45MULA evaporator coil for a complete crossover system.
  • Provides high-performance cooling and heating while reducing energy consumption compared to standard units.
  • Its compact footprint allows for stacking in multi-family housing or placement in narrow side-yards.

Efficiency

Engineered for premium energy savings to help lower monthly utility bills.

Efficiency Ratings
Cooling EfficiencyUp to 18.8 SEER2 / 11 EER2
Heating EfficiencyUp to 9.7 HSPF2

Comfort & Performance

  • Utilizes inverter technology to maintain precise temperature control with minimal swings. 
  • Enhanced humidity management that operates effectively even at lower speeds to keep indoor air crisp and comfortable.

Technology & Design

  • Variable-speed (Inverter-driven) compressor that adjusts its output to match the exact cooling or heating needs of the home.
  • Uses Puron Advance™ (R-454B), the next-generation refrigerant that offers a 75% reduction in Global Warming Potential (GWP) compared to R-410A.
  • Features a galvanized steel cabinet with a high-gloss, baked-on powder coat finish to protect against the elements and debris.
  • Extremely quiet operation, with sound levels as low as 55 decibels (quieter than a typical dishwasher).
  • Supports a wide range of 24V thermostats and is optimized for use with the ecobee Smart Thermostat Powered by Carrier.

Warranty

  • Covered by Carrier’s Consumer Choice Warranty.

Carrier 37MURA – At a Glance

Specification
EfficiencyUp to 18.8 SEER2 / 9.7 HSPF2
Sound LevelAs low as 55 dB
FootprintUltra-Compact (6″ clearance)
RefrigerantR-454B (Eco-friendly)
CompressorVariable-speed