MRCOOL Signature 18K BTU, 1.5 Ton, Split System Air Handler Multi-Position (MCAEAMPSF18C21AA)

MRCOOLSKU: MCAEAMPSF18C21AA
47 reviews

Price:
Sale price$1,127.74 Regular price$1,399.95SAVE 19%
Low Stock
Estimated delivery: Sep 15th-24th
Free Curbside Delivery — carrier calls to schedule

Free Curbside Delivery

Included on every order
Ships free by freight carrier. Your order leaves the warehouse tracked, on a palletized freight truck.
The carrier calls ahead. You'll schedule a delivery window that works for you before the truck heads out.
Delivered to the curb. The item is placed at the end of your driveway. Moving it inside is your responsibility, so plan to have help on hand for heavy pieces.
Before you sign: inspect the packaging for damage. Signing the delivery receipt confirms it arrived in good condition.

Description

The MRCOOL® Signature Series 18k Multi-Position Air Handler delivers dependable, year-round climate control with enhanced energy efficiency thanks to its use of R-454B refrigerant, an eco-friendly upgrade that reduces environmental impact without sacrificing performance.

Built for flexibility, this unit supports upflow, downflow, and horizontal configurations, making it an excellent choice for compact installations such as closets, attics, and crawl spaces. Despite its slim profile, this Signature Series Air Handler provides robust heating and cooling when matched with a compatible heat pump or condenser. Its tough galvanized steel cabinet resists wear and corrosion, ensuring long-term durability. Inside, copper “A” coils with high-efficiency aluminum fins maximize heat transfer and moisture removal, while internal thermal insulation minimizes energy waste and condensation, keeping comfort high and utility bills low. Installation is streamlined with its user-friendly design, saving time and reducing labor costs. A built-in air filter rack allows for quick filter replacements, and an optional electric heat kit is available for enhanced performance in colder regions.

Smart home ready, this unit works with most third-party thermostats, giving homeowners the freedom to customize their comfort without relying on proprietary controls. Covered by a 10-year limited parts warranty, the MRCOOL® Signature Series 18k Multi-Position Air Handler combines strength, efficiency, and adaptability delivering powerful, reliable comfort all year long.

DIMENSIONS & WEIGHT
Net Dimensions (In)
22 D x 45.75 H x 19.625 W
Net Weight (Lbs)
120
Gross Depth (In)
25.6
Gross Height (In)
47.625
Gross Width (In)
22.83
Gross Weight (Lbs)
133
GENERAL INFORMATION
Mount Type
Multi-Position
Color
Grey
Air Flow Direction
Multi-Position
Metering Device
Orifice
CAPACITY & PERFORMANCE
CFM
749
Tonnage
1.5
Cycle
60
COMPRESSOR & MOTORS
Blower Motor Type
PSC
Blower Motor Hp
1/4
Blower Motor Speeds
3
Blower Motor Rpm
830
NOISE LEVELS
Decibel Rating (Dba)
53
ELECTRICAL REQUIREMENTS
Voltage (V)
208/230
Phase
1
Max Fuse Breaker (A)
3
Min Circuit Ampacity (A)
2.1
REFRIGERANT & PIPING
Refrigerant Type
R-454B
Liquid Line Size
3/8
Suction Line Size
3/4
FILTER & HEATING
Filter Type
Replaceable
Filter Size
18 * 21 * 1
Auxiliary Heater Included
No
Auxiliary Heater Available
Yes
Auxiliary Heater Sizes
  • 5kW
  • 7.5kW
CONTROLS & CONNECTIVITY
Works With
Signature Series Top Discharge Condensers
Drain Connection Size
3/4
SAFETY
UL Listed
Yes
CSA Listed
Yes
ETL Listed
Yes
Energy Star Certified
No
AHRI Certified
Yes
Contains Electronics
Yes
Contains Chemicals
Yes
Contains Compressed Gas
Yes
Proposition 65 Warning
Yes
WARRANTY
Base Warranty
10 Year Parts, Limited Lifetime Compressor Warranty
Base Parts Warranty
10 Year
Base Compressor Warranty
Limited Lifetime
Shipping
  • Free Shipping on all orders.
  • Large Appliances: Ship via Curbside Delivery — the carrier delivers to your property but not inside your home.
  • Small Items: Ship via standard ground delivery (FedEx or similar), such as small appliances, range hoods, sinks, faucets, and accessories.
Full shipping policy
Returns
  • 30-Day Return Policy: Return requests must be submitted within 30 days of your delivery date. We cannot process returns after this period.
  • Return Requirements: Products must be unused, uninstalled, and in their original packaging (including box and pallet) to qualify.
  • Restocking Fee: A restocking fee may apply and varies by brand.
Full returns policy
Authorized MRCOOL Dealer
Full manufacturer warranty on every MRCOOL product we sell.

Customer Reviews

Based on 47 reviews
87%
(41)
11%
(5)
2%
(1)
0%
(0)
0%
(0)
J
Jim M. (Los Angeles, CA)
Easy to install and working great.

I needed to replace another unit that a previous contractor didn't do any part of that installation correctly, and the condensation line was leaking inside the house, running down the wall since that installation!! The indoor coil was 1-1/2" out of level, the line set wasn't wrapped, the electrical was tapped into the same circuit as the garage light and outlets...it was a mess.

It took me more time to demo the old unit out than to install the one I bought from you.

Thank you.

B
Bill (Philadelphia, PA)
Very pleased.

Very pleased with the price, delivery, ease of installation, and above all during this heatwave it is working excellently.

N
Natalie N. (San Jose, CA)
Perfect for our needs!

I ordered a 2 zone unit for the bedrooms in our home. It took a few months to arrive (manufacturer issue, nothing to do with HOD, and we were contacted on more than one occasion with an order update which was much appreciated!), but when it did arrive was very easy to install. Both the heat and AC function work perfectly, and our family is very happy!

R
Robert W. (Marietta, GA)
Decent Company

I ordered a HVAC system and it arrived in a timely manner and with no apparent issues. I thought the system was defective once installed but it was the installers fault who wired it wrong. My only issue would be the fee (30% I believe) to return a defective item within the 30 day return policy. If it is defective the customer shouldn't have to pay a fee to return an item that is not operating as designed. Other than that this is a good company.

P
Peter K. (Phoenix, AZ)
Pretty Easy Install and Works Great!

Installed my own central HP system. It was a bit of work but nothing beyond a person with basic mechanical and electrical skills. It took me a while because I had to remove the existing electric forced air furnace from a pretty tight place. Some custom sheet metal work and a bit of custom electrical too. Worked perfectly when powered up and I actually like the thermostat provided, although I wish it was clearer how to set up a temperature set-back schedule. Pre-charged refrigerant piping was something new and I liked that too. The best thing is that my electric utility forked out $4,000 and that paid for the unit!

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