1.5 ton - best for spaces between 750 - 1000 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.
Heat pumps are all electric and good for mild and cold climates.
If you have an indoor furnace, or air handler, along with an outdoor AC unit, this system will serve as a replacement for both.
ACiQ 1.5 Ton Heat Pump AC System | 14.5 SEER2 AC | 14" Wide Multi-Positional Air Handler | R454B
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Air Conditioning Square Footage Range by Climate Zone
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1.5 Tons
600 - 900 sf
600 - 950 sf
600 - 1000 sf
700 - 1050 sf
700 - 1100 sf
2 Tons
901 - 1200 sf
951 - 1250 sf
1001 - 1300 sf
1051 - 1350 sf
1101 - 1400 sf
2.5 Tons
1201 - 1500 sf
1251 - 1550 sf
1301 - 1600 sf
1351 - 1600 sf
1401 - 1650 sf
3 Tons
1501 - 1800 sf
1501 - 1850 sf
1601 - 1900 sf
1601 - 2000 sf
1651 - 2100 sf
3.5 Tons
1801 - 2100 sf
1851 - 2150 sf
1901 - 2200 sf
2001 - 2250 sf
2101 - 2300 sf
4 Tons
2101 - 2400 sf
2151 - 2500 sf
2201 - 2600 sf
2251 - 2700 sf
2301 - 2700 sf
5 Tons
2401 - 3000 sf
2501 - 3100 sf
2601 - 3200 sf
2751 - 3300 sf
2701 - 3300 sf
1.5 ton - best for spaces between 750 - 1000 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.
Heat pumps are all electric and good for mild and cold climates.
If you have an indoor furnace, or air handler, along with an outdoor AC unit, this system will serve as a replacement for both.
1.5 Ton ACiQ R5H5S18AKAAA Heat Pump – R454B Overview
Looking for a compact and efficient solution to heat and cool a smaller home or space? The 1.5-ton R5H5S18AKAAA delivers reliable year-round comfort with energy-saving performance. It’s a great fit for apartments, small homes, or additions, and it’s pre-charged with R454B refrigerant for quick installation.
Why Choose This Unit?
Refrigerant: Uses eco-friendly R454B refrigerant with low global warming potential.
Efficiency Ratings: Up to 16.0 SEER2, 12.5 EER2, and 7.8 HSPF2 depending on system pairing.
Compressor: Reliable scroll compressor with internal protection features.
Quiet Operation: Sound levels as low as 70 dBA for peaceful performance.
Durability: Built with solid sheet metal construction and a dense wire coil guard.
Long-Line Ready: Supports refrigerant line lengths up to 250 feet with accessories.
Low Ambient Cooling: Operates in outdoor temps as low as 0°F with optional kits.
Warranty: 10-year parts limited warranty with registration (5 years if unregistered).
Installation Flexibility: Compatible with programmable or standard thermostats.
Pre-Charged: Factory-charged for a 15-foot line set to simplify installation.
FHMA5X18L0AA – 1.5 Ton Air Handler (R454B) Overview
Compact, efficient, and built to last — the FHMA5X18L0AA is the perfect 1.5-ton air handler for smaller homes or tight spaces. Designed for use with eco-friendly R454B refrigerant, this unit features a multi-speed ECM motor for quiet, consistent airflow and a corrosion-resistant all-aluminum coil. Whether you're replacing an older system or upgrading to a more efficient setup, this model delivers reliable comfort with flexible installation options.
Key Features & Benefits:
1.5 Ton Capacity – Ideal for smaller homes, apartments, or additions
Multi-Speed ECM Motor – Smooth, quiet operation with better humidity control
All-Aluminum Coil – Long-lasting performance, even in humid climates
Compact 14.3" Width – Fits tight closets, attics, or crawlspaces
Multi-Positional Design – Upflow, downflow, or horizontal installation
Factory-Installed TXV – Optimized refrigerant control for better efficiency
Rugged Steel Cabinet – Pre-painted dark gray finish resists corrosion
Tool-Free Filter Access – Easy maintenance for homeowners
ACiQ EHC Series Heat Kits with Circuit Breakers (CKB Models)
Upgrade your ACiQ air handler with reliable electric heating using the EHC Series Heat Kits featuring built-in circuit breakers (CKB models). Designed for seamless integration with FHMA5 fan coils, these kits deliver consistent warmth during colder months while maintaining safety and efficiency. Whether you're outfitting a 1.5-ton or 5-ton system, ACiQ's CKB heat kits offer flexible options from 5kW to 20kW to match your home's heating needs.
Each kit is engineered for easy installation, with plug-in compatibility and internal circuit protection to simplify wiring and reduce installation time. Built to meet rigorous safety standards, these heat kits are ideal for homeowners seeking dependable electric heat without the complexity of gas systems.
Features & Benefits
Built-in Circuit Breakers – Added safety and simplified electrical setup.
Wide Compatibility – Fits ACiQ FHMA5 air handlers from 1.5 to 5 tons.
Flexible Sizing – Available in 5kW, 8kW, 10kW, 15kW, and 20kW options.
Quick Installation – Plug-and-play design with easy access terminals.
Reliable Performance – Consistent heat output for year-round comfort.
No Gas Required – Ideal for all-electric homes or backup heating.
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.
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