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Photo of 45MULA, one crossover solution found at All Seasons HVAC.

Carrier 45MULA Multipoise Crossover Evaporator Coil

The Carrier 45MULA is an exceptionally versatile evaporator coil, featuring a “multipoise” design that allows it to be installed in numerous orientations. This makes it highly adaptable for home ductwork setups and installations in confined areas. It is engineered for seamless integration into “Crossover” HVAC systems, making it the perfect upgrade for homeowners pairing their indoor coil with a modern, high-efficiency heat pump.

    • All-aluminum construction for exceptional durability and superior leak resistance. 
    • Compact “Cased A-Coil” offers maximum versatility, supporting installation in four different orientations.
    • Specifically engineered to work with Carrier’s Crossover outdoor units (such as the 37MURA or 37MUHA).

Efficiency

  • With Puron Advance refrigerant, reduces Global Warming Potential (GWP) by 75% compared to traditional R-410A while remaining non-ozone-depleting.

Technology & Design

  • Made entirely of aluminum, this design excels in corrosion resistance, which helps prevent refrigerant leaks and significantly extends the overall life of the system.
  • Designed to maintain performance and efficiency year-round, even in demanding environments.
  • “Multipoise” configuration supports four orientations: Upflow, Downflow, Horizontal Left, and Horizontal Right, making it a great fit for almost any closet, attic, or basement installation.

Warranty

  • Comes with a 10-year parts limited warranty after timely product registration.

Carrier 45MULA Evaporator Coil – At a Glance

Specification
Coil TypeCased A-Coil
Installation PositionsMultipoise (4 Orientations)
MaterialAll-Aluminum (Corrosion Resistant)
RefrigerantPuron Advance™ (R-454B)
SafetyUL-Certified Leak Dissipation System
SizesVarious sizes available to fit most homes

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