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MRCOOL 3.5 Ton 42,000 BTU Split System Heat Pump, MHP15042A

SKU MHP15042A

by MRCOOL
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$2,448.00

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MRCOOL 3.5 Ton 42,000 BTU Split System Heat Pump, Model MHP15042A

The MRCOOL 3.5 Ton 15 SEER Split System Heat Pump is designed to provide efficient and reliable heating and cooling for larger homes or spaces up to approximately 1,750 sq ft. It features advanced coil technology and durable construction, ensuring energy efficiency and comfort throughout the year.


  • Durable Construction: Louvered galvanized steel cabinet with baked polyester finish to resist weather and corrosion.
  • Advanced Coil Technology: Enhanced tube-and-fin coil design with CoolGuard corrosion-resistant coating and raised coil to prevent debris blockage.
  • Service-Friendly: 4-screw louver panels, corner-mounted controls, 45-degree offset valves, and thread-on pressure switches for easy maintenance and repairs.
  • Quiet Operation: Heavy-duty compressor sound blanket minimizes noise during operation.
  • Compressor Protection: Internal protection against high temperature motor overload conditions enhances reliability.
  • Pre-Charged: Charged for 15 feet of line set, with options for longer line sets up to 50 feet.
  • Filter Drier Included: Helps maintain system cleanliness and performance.
  • Certifications: ETL, ETLC approved, and AHRI certified to guarantee quality and safety.
  • Warranty: Registered 10-year parts warranty for peace of mind.

Specification Details
Cooling Capacity 41,000 BTU (3.5 Ton)
Heating Capacity 40,000 BTU
SEER 15
Max SEER 14-15
EER 12
COP (Coefficient of Performance) at 47°F 3.6
COP at 47°F Part Load 2.4
HSPF (Heating Seasonal Performance Factor) 8.2 - 8.5
Airflow (CFM) 1,400 - 1,450
Voltage 208-230V / 60Hz
Max Fuse Breaker 45 Amps
Min Circuit Ampacity 24.2 Amps
Dimensions (W x D x H) 32.25" x 28.25" x 37"
Weight 272 lbs
Refrigerant R-410A (184 oz)
Compressor Type Scroll
Condenser Fan Motor Direct Drive, 1/3 HP, 825 RPM
Metering Device TXV (Thermostatic Expansion Valve)
Auxiliary Heater Yes, 7.5 kW, 10 kW, or 15 kW options
Noise Level 79 dB
Max Coverage Area 1,750 sq ft
Min Ambient Cooling Temp 55°F
Line Set Length Options 15 ft (charged), 25 ft, 35 ft, 50 ft (max)
Line Set Fitting Type Sweat
Liquid Line Size 3/8 inch
Suction Line Size 7/8 inch
Phase Single
Cycle 60 Hz
Stage Single
Color Gray

  • Installation: Requires indoor air handler (sold separately).
  • Auxiliary Heat: Multiple electric auxiliary heater sizes (7.5 kW, 10 kW, 15 kW) provide supplemental heat during colder weather.
  • Quiet and Efficient: Designed with sound blankets and direct drive fan motors for quieter operation.
  • Warranty:
    • 10-year registered parts warranty
    • 5-year base parts warranty if not registered

  • Energy Efficient: 15 SEER and HSPF up to 8.5 for reduced energy consumption and operating costs.
  • Durable and Weather-Resistant: Corrosion-resistant coatings and high-quality materials extend unit lifespan.
  • Easy Maintenance: Designed for simple servicing and quick repairs.
  • Reliable Heating: Auxiliary heat options ensure comfort in colder climates.
  • Certified Quality: ETL and AHRI certifications confirm compliance with industry standards.
  • Warranty Protection: Comprehensive parts warranty provides peace of mind.

For installation manuals, specification sheets, warranty documents, and product brochures, please visit MRCOOL’s official website or contact an authorized dealer. Always verify your home's electrical system meets the unit requirements before installation.

Key Features

  • Louvered construction with baked polyester finish over galvanized steel to withstand bad weather
  • Raised coil to prevent debris blockage
  • CoolGuard advanced corrosion resistant coil
  • 4-screw louver panels, corner-mounted controlsand 45-degree offset valves for easy service.
  • Enhanced tube-and-fin coil design featuring high efficiency heat transfer technology
  • Thread-on pressure switches for simple, quick replacement
  • Charged for 15 feet of line set
  • Heavy-duty compressor sound blanket forquiet operation
  • Internally protected against high temperature motor overload conditions
  • Ships with filter drier
  • All units ETL and ETLC approved and AHRI Certified
  • 10 year registered parts warranty

PRODUCT SPECIFICATIONS:

Product Dimensions 32.25"W x 28.25"D x 37"H
Product Weight 272 lbs
Unit Type Split System Heat Pump
SEER 15
Max SEER 14-15
EER 12
COP 47 3.6
COP 47 Part Load 2.4
HSPF 8.2-8.5
CFM 1400-1450
Tonnage 3 1/2
Cooling Capacity 41000
Heating Capacity 40000
Voltage Requires a minimum of 208V-230V/60HZ/45A (please check your home meets this electrical requirement prior to purchase)
Phase 1
Cycle 60
Stage Single
Max Fuse Breaker 45
Min Circuit Ampacity 24.2
Color Gray
Rated Load 18
Max Coverage Area 1750
Refrigerant Type R-410A
Refrigerant Volume 184
Decibel Rating 79
Min Ambient Cool 55
Line Set Length 15ft, 25ft, 35ft, 50ft
Max Line Set Length 50ft
Line Set Fitting Type Sweat
Liquid Line Size 3/8 in
Suction Line Size 7/8
Compressor Motor Type Scroll
Condenser Fan Motor Type Direct Drive
Condenser Fan Motor HP 1/3
Condenser Fan Motor RPM 825
Metering Device TXV
Auxiliary Heater Yes
Auxiliary Heater Sizes 7.5kw, 10kw, 15kw
Certifications ETL
AHRI
Warranty Registered 10 Year Parts Warranty

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Frequently Asked Questions About MRCOOL 3.5 Ton 42,000 BTU Split System Heat Pump, MHP15042A

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Product Overview

  • Zone / ROOM:

    Zone / ROOM: No Zone

  • Air Handler BTU:

    Air Handler BTU:

  • Coverage Area:

    Coverage Area: 1750 sq.ft

  • Condenser BTU:

    Condenser BTU: 40k

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat): -13°F (-25°C) for heating | 115°F (46°C) for cooling

  • Warranty

    Warranty 10 Year Parts & Compressor Warranty

MRCOOL 3.5 Ton 42,000 BTU Split System Heat Pump, MHP15042A Reviews