America's Leading Discount HVAC Supplier Since 2001 ...
and now, NASCAR Racing Sponsor![]()
Ask an Expert
866 862 8922
Hours of Operation
Welcome! START HERE:
Use the sizing calculator below to calculate your required system size.
Follow these easy steps:
As low as $4,113.00
Free
DELIVERY TIME
ProfessionalFREE
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
Orders $3000+ offered at checkout
Bad credit/no credit is OK - offered at checkout
Orders over $3000 get a
7 night luxury resort stay
Model Number
MCAESHS4T4821AA
Dimensions
29.14" W x 29.14" D x 32.875" H
Documents
MCAESHS4T4821AA Specifications
Warranty
10 Year Parts, Limited Lifetime Compressor
Model Number
MCAEAMPEF48E21AA
Dimensions
22" W x 24.5" D x 53.125" H
Documents
MCAEAMPEF48E21AA Specifications
Warranty
10 Year Parts, Limited Lifetime Compressor
AHRI Number
217513233
The MRCOOL Signature Series 4 Ton heat pump condenser is designed for larger homes and commercial applications that require strong, reliable performance. With 45,000 BTU heating and cooling capacity, this system delivers consistent comfort throughout all seasons.
Engineered with intelligent defrost, durable construction, and quiet operation, this heat pump ensures dependable performance even in demanding conditions. Its R-454B refrigerant supports efficient, environmentally responsible operation.
The MRCOOL Signature Series 4 Ton air handler is designed to deliver powerful airflow for large residential and commercial HVAC systems. With 48,000 BTU system compatibility, this unit ensures consistent air distribution and dependable comfort.
Its ECM motor provides efficient operation and improved airflow control, while the multi-position design allows for installation in a variety of configurations. Built for durability, this unit is a reliable choice for demanding applications.
The MRCOOL electric heat kit is designed to provide dependable supplemental heating for Signature Series multi-position air handlers. Available in 5kW, 7.5kW, and 10kW options, these heat strips enhance system performance by delivering additional warmth when outdoor temperatures drop and heat pump efficiency decreases.
Engineered for seamless integration, each heat kit installs directly inside compatible MRCOOL air handlers and operates automatically through the system’s heating controls. With built-in safety features and durable heating elements, these kits offer a reliable and efficient solution for maintaining indoor comfort in colder climates.
The MRCOOL electric heat kit is designed to provide dependable supplemental heating for Signature Series multi-position air handlers. Available in 5kW, 7.5kW, and 10kW options, these heat strips enhance system performance by delivering additional warmth when outdoor temperatures drop and heat pump efficiency decreases.
Engineered for seamless integration, each heat kit installs directly inside compatible MRCOOL air handlers and operates automatically through the system’s heating controls. With built-in safety features and durable heating elements, these kits offer a reliable and efficient solution for maintaining indoor comfort in colder climates.
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:
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