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NEW R-454B Refrigerant

MRCOOL Universal Series 3 Ton Heat Pump Inverter Condenser, UHP18036-O

MRCOOL Universal Series 3 Ton Heat Pump Inverter Condenser, UHP18036-O

Regular price $2,611.04 USD
Regular price $3,263.80 USD Sale price $2,611.04 USD
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❄️ R-454B Pre-Charged
🔥 Cold-Climate Ready
🧰 DIY Install
🔧 Multi-Position AHU

SKUUHP18036-O

TypeHeat Pump Systems

Refrigerant Type: R-454B

✅ This item is in stock!

More than 30 available

Estimated Delivery: November 20 – November 22

Based on order date & typical delivery times.
• Orders Typically ship within 2 business days

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PRODUCT DESCRIPTION

MRCOOL® Universal Series 3 Ton (36K BTU) Inverter Heat Pump Condenser — UHP18036-O

Pre-charged DC inverter condenser designed for DIY installation when paired with MRCOOL Universal Air Handlers and NO-VAC Quick Connect line sets.

⚙️ Installation & Compatibility:
This condenser supports DIY installation when paired with MRCOOL Universal Air Handlers and pre-charged NO-VAC Quick Connect line sets. When pairing with a non-MRCOOL air handler, both the air handler and line sets must be evacuated before releasing the charge. Professional installation is strongly recommended in those cases.

The MRCOOL Universal Series 3 Ton (36,000 BTU) DC Inverter Heat Pump Condenser is built for powerful, efficient performance in any climate. Its compact design makes it ideal for retrofit or tight-space installations, while the inverter compressor ensures whisper-quiet operation and superior energy savings with an impressive SEER2 rating of 18.0. Designed for both homeowners and contractors, this 3 Ton model offers flexibility, longevity, and reliability across all seasons.

Key Features & Benefits

  • 3 Ton Capacity: 36,000 BTU inverter-driven condenser for residential or light commercial systems.
  • High Efficiency: SEER2 18.0 for lower energy costs and optimized performance.
  • Pre-Charged for DIY Installation: Ready for installation with MRCOOL Universal Air Handler and NO-VAC Quick Connect line sets (sold separately).
  • Compact Design: Perfect for retrofit and limited-space applications.
  • Advanced Inverter Technology: Variable-speed operation ensures precise temperature control and reduced wear.
  • Quiet Performance: Runs more smoothly and quietly than traditional on/off systems.
  • Universal Compatibility: Can be used with other R-454B heat pump air handlers if properly evacuated before charging.
  • Durable & Reliable: Long-lasting build quality backed by MRCOOL’s robust support network.
  • Warranty: 10-Year Parts and 2-Year Limited Labor Warranty with registration.
🚚 Nationwide Delivery: Fast, insured shipping across the U.S. Handling time 0–2 business days; delivery 2–7 business days depending on destination and carrier.

WHAT'S INCLUDED

  • Condenser

  • DIY Installation

  • Voltage: 208 to 230

Rated 4.7 / 5 Stars
4700+ Verified Reviews

Comfort That Speaks for Itself

See why homeowners and pros alike trust MRCOOL DIY systems to deliver comfort, savings, and easy installation.

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina

Installed a 3-zone MRCOOL DIY in our ranch house — took a weekend and some planning, but it went smoother than expected.

Ryan G., Oklahoma

We upgraded to the MRCOOL Universal central ducted system last year. It’s quieter, more efficient, and runs smoother than our old 4-ton unit. Love that I installed it myself

James H., Alabama

HVAC quotes were outrageous. The MRCOOL Universal let me handle the install myself and saved me about $3,000. It’s been running flawlessly for eight months.

Eric T., Colorado

The Universal outdoor unit is much smaller than my old condenser but somehow does a better job heating and cooling our 2,000-sq-ft home. Couldn’t be happier

Paul F., Virginia

We live in Minnesota, and the MRCOOL Universal kept our home cozy even during sub-zero nights — that heat pump is a beast.

Amanda P., Minnesota

Replaced our outdated 3-ton system with a MRCOOL central ducted heat pump. Took a few evenings after work, but once powered up, it cooled our entire home faster and quieter than expected.

Thomas W., South Carolina