Air Conditioners

MRCOOL DIY 5th Generation 36k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity36000BTU
Max. Coverage Area1550sqft
Tonnage3

Free delivery on Oct 06–09

MRCOOL DIY 5th Generation 24k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity24000BTU
Max. Coverage Area1050sqft
Tonnage2

Free delivery on Oct 06–09

MRCOOL DIY 5th Generation 18k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity18000BTU
Max. Coverage Area800sqft
Tonnage1.5

Free delivery on Oct 06–09

MRCOOL DIY 5th Generation 12k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity12000BTU
Max. Coverage Area550sqft
Tonnage1

Free delivery on Oct 06–09

MRCOOL DIY 5th Generation 9k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity9000BTU
Max. Coverage Area400sqft
Tonnage0.75

Free delivery on Oct 06–09

MRCOOL EasyPro 5th Generation 24k BTU Ductless Mini-Split Heat Pump - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity24000BTU
Max. Coverage Area1050sqft
Tonnage2

Free delivery on Oct 06–09

MRCOOL EasyPro 5th Generation 18k BTU Ductless Mini-Split Heat Pump - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity18000BTU
Max. Coverage Area800sqft
Tonnage1.5

Free delivery on Oct 06–09

MRCOOL EasyPro 5th Generation 9k BTU Ductless Mini-Split Heat Pump - Complete System (454B Refrigerant)

AC typeMini-Splits
BTU Capacity9000BTU
Max. Coverage Area400sqft
Tonnage0.75

Free delivery on Oct 06–09

Overview
Articles

Air Conditioner For Sale

With summer temperatures rising 2.1°F since 1970 and energy costs climbing 13% annually, selecting the right air conditioning system affects both your monthly budget and home value.

What Type of Air Conditioner Best Fits Your Living Situation?

Homeowners can choose between central systems, mini-splits, or portable units, while renters face lease restrictions. Window units require no permanent modifications, making them ideal for apartments. Mini-splits offer superior efficiency but need property owner consent.

Expert Tip

Calculate cooling load using 20 BTU per square foot, then add 10% for high ceilings or poor insulation to prevent undersizing and premature failure.

How Do Different Air Conditioner Technologies Compare?

System Type	Cooling Capacity	Energy Efficiency	Upfront Cost	Best For
Window AC	5,000-24,000 BTU	8-12 EER	$150-$800	Single rooms, renters
Portable AC	8,000-18,000 BTU	6-10 EER	$300-$900	Temporary cooling
Mini-Split	9,000-48,000 BTU	16-22 SEER	$1,500-$8,000	Zone cooling
Central AC	18,000-60,000 BTU	13-20 SEER	$3,000-$15,000	Whole-home comfort

Modern mini-splits achieve SEER ratings above 20, nearly double the efficiency of older central systems.

Why Do Energy Costs Vary Between System Types?

Operating costs depend on system efficiency, local electricity rates, and usage patterns. At the national average of $0.13 per kWh, running a 10,000 BTU window unit 8 hours daily costs $95 monthly, while an equivalent mini-split costs only $52 due to superior efficiency.

Efficiency Comparison Table:

Daily Usage	Window AC (10 EER)	Mini-Split (18 SEER)	Central AC (14 SEER)
8 hours	$62/month	$52/month	$158/month
12 hours	$93/month	$78/month	$237/month

What Maintenance Requirements Affect Performance?

Dirty filters reduce airflow by 50%, forcing systems to work harder. Window units and portables need monthly filter cleaning, while central systems require filter replacement every 30-90 days.

Outdoor condenser coils accumulate debris that reduces efficiency by 30% within three years if neglected. Annual professional cleaning costs $150-200 but restores 5-15% efficiency loss.

How Should Climate Conditions Influence Your Selection?

Humidity affects comfort and system selection. Oversized systems cycle rapidly without adequate dehumidification, creating discomfort despite proper temperature control. Variable-speed mini-splits excel in humid climates through precise humidity control.

Expert Tip

In humid regions, size systems for humidity removal rather than temperature reduction. Properly sized units running continuously outperform oversized units cycling frequently.

Which Smart Features Provide Real Value?

WiFi connectivity enables remote control and adds $50-150 to system cost. Real value comes from usage monitoring and maintenance alerts that prevent costly repairs.

Programmable thermostats reduce energy consumption 10-15% through automatic temperature adjustments during unoccupied periods.

What Regulations Apply to Your Installation?

Local building codes often require electrical permits for 240V connections needed by larger units and mini-splits. Permit costs range from $50-200 but ensure safe installation.

HOA restrictions may prohibit visible outdoor equipment. Review covenants before purchasing to avoid installation delays or fines.

🏠 For Renters

Window units and portable systems offer mobility without permanent modifications. Focus on energy efficiency to minimize utility costs.

🏡 For Homeowners

Mini-split and central systems provide long-term value through superior efficiency and increased property value.

💡 Key Decision Factor

Consider your five-year housing situation when making this investment for optimal value.

Conclusion

Air conditioner selection balances upfront cost, operating expenses, and installation constraints. Renters benefit from efficient window units or portable systems. Homeowners should prioritize mini-split or central systems for long-term value and superior efficiency. Consider your five-year housing situation when making this investment.

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Explore our complete selection—from central AC to ductless mini splits, plus window, wall, and portable units.

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