America's Leading Discount HVAC Supplier Since 2001 ...
and now, NASCAR Racing Sponsor
Ask an Expert
866 862 8922
Hours of Operation 8am - 8pm EST
11am - 8pm EST
- 3 ton - best for spaces between 1500 - 1800 sq ft depending on your home's insulation and your climate
- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
- Good for extreme southern climates with very low heating demand such as south Florida and south Texas (otherwise a heat pump is the best option)
- If you have an indoor furnace, or air handler, along with an outdoor AC unit, this system will serve as a replacement for both.
MrCool Signature 3 Ton Central Air Conditioner System with Wall Mount Air Handler and Electric Heat – 14.3 SEER2, R454B
- Condenser: MCAESAS4T3621AA
- Air Handler: MCAEAWPEF36E21AA
- Heating Element: Select A Heat Kit Option
AC Size Calculator | Get BTU’s and Tonnage – Free and Easy!
Welcome! START HERE:
Use the sizing calculator below to calculate your required system size.
Follow these easy steps:
- 3 ton - best for spaces between 1500 - 1800 sq ft depending on your home's insulation and your climate
- SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
- Good for extreme southern climates with very low heating demand such as south Florida and south Texas (otherwise a heat pump is the best option)
- If you have an indoor furnace, or air handler, along with an outdoor AC unit, this system will serve as a replacement for both.
As low as $3,292.00
Free Shipping
Over $1500
*Excludes Commercial Products
DELIVERY TIME 3-10 BUSINESS DAYS
EXCLUDING WEEKENDS AND HOLIDAYS
ProfessionalU.S. Support
GUARANTEED LOWEST PRICES
FREE
SHIPPING
OVER $1500
*Excludes Commercial Products
DELIVERY TIME
3 - 10 BUSINESS DAYS
EXCLUDING WEEKENDS AND HOLIDAYS
PROFESSIONAL
U.S. SUPPORT
ADD TO CART FOR
GUARANTEED LOWEST PRICES
0% Interest
Orders $3000+ offered at checkout
No Credit Needed
Bad credit/no credit is OK - offered at checkout
Orders over $3000 get a
7 night luxury resort stay
MrCool Signature 3 Ton Central Air Conditioning Condenser – 14.3 SEER2, R454B
Model Number
MCAESAS4T3621AA
Dimensions
29.14" W x 29.14" D x 25" H
Documents
MCAESAS4T3621AA Specifications
Warranty
10 Year Parts, Limited Lifetime Compressor
MrCool Signature 3 Ton Stud Mount Air Handler – R454B
Model Number
MCAEAWPEF36E21AA
Dimensions
22.125" W x 19" D x 39.5" H
Documents
MCAEAWPEF36E21AA Specifications
Warranty
10 Year Parts, Limited Lifetime Compressor
Heat Kit Options
AHRI Number
217513220
MRCOOL 3 Ton AC Condenser – 14.3 SEER2 Signature Series Cooling-Only Air Conditioner (R-454B)
Powerful 33,000 BTU Cooling for Homes and Light Commercial Applications
The MRCOOL Signature Series 3 Ton air conditioner condenser is designed to deliver strong, energy-efficient cooling for larger homes and light commercial spaces. With 33,000 BTU of cooling capacity and up to 14.3 SEER2 efficiency, this system provides consistent comfort while helping reduce energy consumption.
This cooling-only condenser features a durable cabinet, quiet operation, and advanced system protection through built-in sensors. Its use of R-454B refrigerant ensures modern environmental compliance while maintaining reliable performance even during peak summer conditions.
Features & Benefits
- 3 Ton capacity with 33,000 BTU cooling performance
- Up to 14.3 SEER2 efficiency for energy savings
- Cooling-only design ideal for AC-focused systems
- Environmentally friendly R-454B refrigerant (low GWP)
- Quiet operation around 63 dB(A)
- Steel louver coil guard for enhanced durability
- Compact cabinet design for flexible installation
- Integrated temperature and pressure sensors for system monitoring
- 208/230V single-phase electrical compatibility
- 10-year parts limited warranty and lifetime compressor coverage
MRCOOL 3 Ton Wall-Mount Air Handler – Signature Series Stud-Mount High-Capacity Unit
Powerful 36,000 BTU Airflow in a Compact Wall-Mounted Design
The MRCOOL Signature Series 3 Ton wall-mount air handler is designed for larger residential applications that require strong airflow without sacrificing space. Built to fit between wall studs, this unit provides efficient 36,000 BTU performance in a compact, low-profile cabinet.
Its ECM motor ensures efficient operation and improved airflow control, while the durable construction and flexible installation options make it ideal for new construction or retrofit projects. This unit delivers reliable comfort in space-constrained environments.
Features & Benefits
- 3 Ton capacity for 36,000 BTU systems
- Stud-mount wall installation for tight spaces
- Compact, low-profile cabinet design
- Energy-efficient ECM blower motor
- Quiet operation around 57 dB(A)
- Front or bottom return air configuration options
- R-454B compatible system design
- Easy-access filter for maintenance
- Optional electric heat kits available
- Compatible with most HVAC thermostats
MRCOOL Wall-Mount Air Handler Electric Heat Kit – 5kW, 7.5kW & 10kW Auxiliary Heat Options
Space-Saving Supplemental Heating for 1.5–3 Ton Stud-Mount HVAC Systems
The MRCOOL electric heat kit for wall-mount air handlers is designed to provide reliable supplemental heating for Signature Series stud-mount HVAC systems. Available in 5kW, 7.5kW, and 10kW options, these heat kits enhance comfort by delivering additional heat when outdoor temperatures drop and heat pump performance decreases.
Specifically engineered for MRCOOL wall-mounted (stud-mount) air handlers, these units install directly inside the cabinet for a clean, space-saving solution. With built-in safety controls, durable heating elements, and automatic operation through the system thermostat, these heat kits are ideal for homeowners looking to improve cold-weather performance without increasing system footprint.
Features & Benefits
- Available in 5kW, 7.5kW, and 10kW electric heat capacities
- Designed specifically for MRCOOL wall-mount (stud-mount) air handlers
- Compatible with 1.5–3 ton systems (18K–36K BTU)
- Provides supplemental and backup heat for heat pump systems
- Ideal for space-constrained installations and wall-mounted HVAC setups
- Installs directly inside the air handler cabinet for a clean, integrated design
- Built-in circuit breaker for safety and service disconnect
- 208/230V single-phase operation
- Durable electric heating elements for long-term reliability
- Automatic operation through thermostat-controlled heating stages
Who installs the AC unit after I purchase it?
ACDirect does not yet provide installation services directly. However, most of our customers successfully arrange installation through local licensed HVAC contractors. These systems are designed for professional installation and typically include the components your installer will need.
Here’s how it works:
- Hire a licensed HVAC technician in your area
- Use platforms like Angi, Thumbtack, or a local HVAC directory to find reliable professionals
- Confirm your installer is experienced with the system type you’re purchasing
Note:
Please be aware if you choose to install HVAC equipment yourself and don’t possess proper HVAC licensing, you will void the manufacturer’s factory warranty. If you are capable of a factory-compliant installation yourself, you will need a licensed HVAC contractor to sign off on your work, fully confirming factory-compliant workmanship.
Need help? Contact Our Experts
(866)-862-8922
Hours:
Monday - Friday: 8am to 9pm EST
Saturday: 8am to 8pm EST
Sunday: 11am to 8pm EST
