MRCOOL Signature 36K BTU 3 Ton 14.3 SEER2 Heat Pump Condenser and Stud Air Handler (WP36D21SHT3621HT)

MRCOOL Signature 36K BTU 3 Ton 14.3 SEER2 Heat Pump Condenser and Stud Air Handler (WP36D21SHT3621HT)

SKU: WP36D21SHT3621HT

Sale price$3,125.24 Regular price$3,899.90



Electric Heat Kit (Optional):


Out of Stock Estimated restock: 2-4 Weeks
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Package Overview

The MRCOOL® Signature Series 36k Bundle Stud Mount Air Handler + Heat Pump Condenser delivers efficient, space-saving comfort for year-round heating and cooling. Pairing a stud-mount air handler with a high-performance heat pump condenser, this system is designed for compact installations, reliable operation, and energy savings—all while using eco-friendly R-454B refrigerant. Ideal for remodels, new builds, or upgrades, it’s the perfect balance of flexibility and performance.

Features

  • Up to 14.3 SEER2 energy-efficient performance
  • Slim stud-mount air handler fits between standard wall studs
  • Quiet operation (approx. 60 dB) with advanced blower & sound-dampening design
  • Eco-friendly R-454B refrigerant for reduced environmental impact
  • Inner-groove copper tubing & ECM motor for superior heat transfer & airflow
  • Backed by 10-year parts & limited lifetime compressor warranty

Package Includes:

Description
Product Specs
Manuals & Guides

The MRCOOL® Signature Series 36k Heat Pump Condenser is a dependable, high-efficiency solution designed to provide reliable year-round comfort. With energy performance ratings of 14.3 SEER2 and 11.7 EER2, it delivers consistent heating and cooling while helping reduce energy consumption and utility bills. Whether battling summer heat or winter cold, this unit ensures your home stays comfortable in every season.

Factory pre-charged with R-454B refrigerant, this system supports eco-conscious upgrades, while the pre-charged design simplifies installation to save you on time and labor costs. At its core, a single-speed scroll compressor provides dependable operation. Inner-groove copper tubing improves heat transfer, enhancing system responsiveness and efficiency. Built-in temperature and pressure sensors monitor conditions to help prevent system strain, while an intelligent defrost function ensures continued performance in colder climates.

Despite its large capacity, the unit operates quietly, just 63 decibels, thanks to a precision-engineered sound-dampening top that minimizes noise without compromising airflow. It’s an ideal solution for noise-sensitive environments. Durability is built in with a steel louver coil guard and wire fan discharge grille designed to provide added protection for internal components and extend the longevity of the unit. Installation and maintenance are hassle-free with features like sweat connection service valves and an accessible gauge port.

Backed by a 10-year limited parts warranty and a limited lifetime compressor warranty, the MRCOOL® Signature Series 36k Heat Pump Condenser offers reliable comfort and long-term value.

Net Dimensions (In) 29.14 D x 25 H x 29.14 W
Net Weight (Lbs) 173
Works With Signature Series Multi-Position or Stud Mount Air Handlers
SEER2 14.3
EER2 11.7
HSPF2 7.5
CFM 2750
Tonnage 3
Cooling Capacity (Btu) 33000
Heating Capacity (Btu) 33000
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 30
Min Circuit Ampacity (A) 22.2
Color Grey
Refrigerant Type R-454B
Refrigerant Volume (Oz) 102.3
Decibel Rating (Dba) 63
Inverter No
Min Ambient Cool (F) 59
Min Ambient Heat (F) 5
Max Lineset Length (Ft) 150
Liquid Line Size 3/8
Suction Line Size 3/4
Compressor Motor Type Scroll
Condenser Fan Motor Type PSC
Condenser Fan Motor Hp 1/7
UL Listed Yes
CSA Listed Yes
ETL Listed Yes
Energy Star Certified No
AHRI Certified Yes
Base Warranty 10 Year Parts, Limited Lifetime Compressor Warranty
Base Parts Warranty 10 Year
Base Compressor Warranty Limited Lifetime
Contains Electronics Yes
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Gross Depth (In) 30.3
Gross Height (In) 26.2
Gross Width (In) 30.3
Gross Weight (Lbs) 182
Description
Product Specs
Manuals & Guides

Elevate your home comfort with the MRCOOL® Signature Series 36K Stud Mount Air Handler—designed for exceptional flexibility, energy efficiency, and easy installation. Built to fit cleanly between standard wall studs, this slim, space-saving unit is perfect for areas where conventional air handlers aren’t practical, offering a smart solution for a variety of installation scenarios.

Despite its compact size, the unit delivers strong and reliable heating and cooling performance when paired with a compatible heat pump or condenser. With both front and bottom return air options available, it offers adaptable airflow configurations to suit your layout. Built to last, the MRCOOL® Signature Series 36k Stud Mount Air Handler features a rugged galvanized steel cabinet and advanced blower technology for quiet, consistent operation. Full cabinet insulation helps prevent condensation and energy loss, while the high-efficiency ECM motor ensures balanced airflow and energy savings throughout your space. Maintenance is quick and easy with the integrated filter rack, and optional electric heat kits are available to provide additional comfort during colder months.

Backed by a 10-year limited parts warranty, this unit delivers dependable performance and long-term peace of mind. Whether you're upgrading an existing system, starting a renovation, or building from the ground up, the MRCOOL® Signature Series 36K Stud Mount Air Handler is a smart, compact solution that never compromises on comfort.

Net Dimensions (In) 19 D x 39.5 H x 22.125 W
Net Weight (Lbs) 110
Works With Signature Series Top Discharge Condensers
CFM 1095
Tonnage 3
Voltage (V) 208/230
Phase 1
Cycle 60
Max Fuse Breaker (A) 6
Min Circuit Ampacity (A) 4.5
Mount Type Stud Mount
Color Grey
Refrigerant Type R-454B
Decibel Rating (Dba) 57
Air Flow Direction Upflow
Drain Connection Size 3/4
Liquid Line Size 3/8
Suction Line Size 3/4
Blower Motor Type ECM
Blower Motor Hp 1/2
Blower Motor Speeds 5
Blower Motor Rpm 1000
Filter Type Replaceable
Filter Size 20 * 20 * 1
Metering Device Orifice
Auxiliary Heater Included No
Auxiliary Heater Available Yes
Auxiliary Heater Sizes 5kW, 7.5kW, 10kW
UL Listed Yes
CSA Listed Yes
ETL Listed Yes
Energy Star Certified No
AHRI Certified Yes
Base Warranty 10 Year Parts, Limited Lifetime Compressor Warranty
Base Parts Warranty 10 Year
Base Compressor Warranty Limited Lifetime
Contains Electronics Yes
Contains Chemicals Yes
Contains Compressed Gas Yes
Proposition 65 Warning Yes
Gross Depth (In) 22.25
Gross Height (In) 42.89
Gross Width (In) 24.6
Gross Weight (Lbs) 120

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