MRCOOL Universal 36,000 BTU 3 Ton 18 SEER2 Central Heat Pump Air Conditioner System
The MRCOOL® Universal® Series 36K DC Inverter Heat Pump System is built to deliver dependable, high-efficiency heating and cooling—even in extreme outdoor conditions. Whether you're facing frigid winters or sweltering summer heat, this powerful unit ensures consistent indoor comfort without compromise. With an impressive 18 SEER2 rating, it offers energy-saving performance that helps reduce utility costs while keeping your home comfortable year-round.
The MRCOOL® Universal® Series 36K Heat Pump System was designed with flexibility in mind, the 36K Air Handler supports upflow, downflow, and horizontal installations. Its slim profile makes it easy to install in a variety of spaces, including attics, closets, and crawlspaces. For added convenience, it’s compatible with the MRCOOL® NO-VAC® Quick Connect® line set, which eliminates the need for vacuuming or flaring—streamlining installation and saving time.
To enhance performance during colder months, the unit also supports optional Universal® Series Heat Kits. These kits provide additional heating capacity and emergency backup heat when needed, boosting efficiency in extreme climates. At the heart of the air handler is an M-shaped evaporator coil with a large surface area that improves airflow and maximizes heat exchange.
Backed by a 10-year parts warranty and a 2-year limited labor warranty, the MRCOOL® Universal® 36K System is a smart, dependable choice for homeowners looking to upgrade to efficient, long-lasting HVAC technology.
WHAT'S INCLUDED?
1 x MRCOOL Universal 36K Heat Pump (UHP18036-O)
1 x MRCOOL Universal 36K Air Handler (UAH18036-O)
SPECIFICATIONS
Condenser Specifications:
BRAND NAME | MRCOOL |
SERIES | Universal R-454B |
MODEL | UHP18036-O |
GTIN | 840255587891 |
UPC | 840255587891 |
UNIT TYPE |
Universal Series Heat Pump
|
SHORT DESCRIPTION |
Universal Series Heat Pump Inverter Condenser
|
SEER2 | Up to 18 |
EER2 | Up to 12 |
HSPF2-4 | 10 |
HSPF2-5 | 8.2 |
TONNAGE | 3 |
COOLING CAPACITY (BTU) | 36000 |
HEATING CAPACITY (BTU) | 37000 |
VOLTAGE (V) | 208/230 |
PHASE | 1 |
CYCLE | 60 |
MAX FUSE BREAKER (A) | 30 |
MIN CIRCUIT AMPACITY (A) | 29 |
COLOR | Dark Grey |
REFRIGERANT TYPE | R-454B |
REFRIGERANT VOLUME (OZ) | 126.99 |
DECIBEL RATING (DBA) | 63 |
INVERTER | DC |
MAX LINESET LENGTH (FT) | 246 |
LIQUID LINE SIZE | 3/8 |
SUCTION LINE SIZE | 3/4 |
COMPRESSOR MOTOR TYPE | Twin-Rotary |
CONDENSER FAN MOTOR RPM | 800/750/650 |
METERING DEVICE | EXV |
UL LISTED | Yes |
CSA LISTED | Yes |
ETL LISTED | Yes |
BASE WARRANTY | 10 Year Parts |
BASE PARTS WARRANTY | 10 Years |
BASE LABOR WARRANTY | 2 Year |
CONTAINS ELECTRONICS | Yes |
CONTAINS CHEMICALS | Yes |
CONTAINS COMPRESSED GAS | Yes |
PROPOSITION 65 WARNING | Yes |
NET DEPTH (IN) | 16.34 |
NET HEIGHT (IN) | 38.39 |
NET WIDTH (IN) | 38.58 |
NET WEIGHT (LBS) | 204.15 |
GROSS DEPTH (IN) | 19.68 |
GROSS HEIGHT (IN) | 42.52 |
GROSS WIDTH (IN) | 45.08 |
GROSS WEIGHT (LBS) | 235.23 |
Air Handler Specifications:
BRAND NAME | MRCOOL |
SERIES | Universal R-454B |
MODEL | UAH18036-O |
GTIN | 840255587846 |
UPC | 840255587846 |
UNIT TYPE |
Universal Series Air Handler
|
SHORT DESCRIPTION |
Universal Series 36,000 BTU Air Handler
|
CFM |
1236.1/1147.8/1059.5/971.2/N\A
|
TONNAGE | 3 |
VOLTAGE (V) | 115/208/230 |
PHASE | 1 |
CYCLE | 60 |
MAX FUSE BREAKER (A) | 15 |
MIN CIRCUIT AMPACITY (A) | 8/6 |
MOUNT TYPE | Multi-Position |
COLOR | Dark Grey |
REFRIGERANT TYPE | R-454B |
DECIBEL RATING (DBA) | 48/46.5/45/33/N\A |
DECIBEL RATING LOW (DBA) | 33 |
DECIBEL RATING HIGH (DBA) | 48 |
NUMBER OF SPEEDS | 4 |
MAX LINESET LENGTH (FT) | 246 |
LIQUID LINE SIZE | 3/8 |
SUCTION LINE SIZE | 3/4 |
FILTER TYPE | Replaceable |
FILTER SIZE | 16 x 20 x 1 |
METERING DEVICE | EXV |
AUXILIARY HEATER INCLUDED | No |
AUXILIARY HEATER AVAILABLE | Yes |
AUXILIARY HEATER SIZES |
5 KW / 8 KW / 10 KW / 15 KW / 20 KW
|
UL LISTED | Yes |
CSA LISTED | Yes |
ETL LISTED | Yes |
BASE WARRANTY | 10 Year Parts |
BASE PARTS WARRANTY | 10 Years |
BASE LABOR WARRANTY | 2 Year |
CONTAINS ELECTRONICS | Yes |
CONTAINS CHEMICALS | Yes |
CONTAINS COMPRESSED GAS | Yes |
PROPOSITION 65 WARNING | Yes |
NET DEPTH (IN) | 21.5 |
NET HEIGHT (IN) | 53.98 |
NET WIDTH (IN) | 17.52 |
NET WEIGHT (LBS) | 149.25 |
GROSS DEPTH (IN) | 31.1 |
GROSS HEIGHT (IN) | 20.47 |
GROSS WIDTH (IN) | 57.09 |
GROSS WEIGHT (LBS) | 182.1 |
FEATURES
- Multi Position
- High Efficiency
- 100% Aluminum Coil
- Easy Maintenance
- High Air Flow
- Compact M-coil
- Compatible with Universal Heat Kits
INSTALLATION & GUIDES
SHIPPING POLICY
Chill Mini Splits offers FREE SHIPPING in the contiguous United States! We only charge shipping to Alaska, Hawaii, and Canada.
We will send you tracking as soon as the order goes out!
To view our full shipping policy go here.
RETURN POLICY
We offer a 30 day return policy. If 30 days have gone by since your items were delivered, unfortunately we can’t offer you a refund or exchange.
To view our full return policy go here.

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