As we enter the month of June, the scorching heat is beginning to take a toll on our bodies. In a country like the US, where we have our daily median temperatures on a steady rise, investing in a quality air conditioner is a necessity! However, like any other appliance, the market is flooded with several options to choose from. If you are a facility owner looking for the best Mini Split AC Unit For 500 Square Feet of space and have no prior experience, selecting the right air conditioner can prove to be a tedious task. In this blog, we have covered everything you need to know to select the best mini-split unit for your facility to enjoy the best cooling while keeping the energy bills low.

Why choosing the right size is important

Mini-split air conditioners are efficient and scalable solutions to cool and/or heat specific rooms. In fact, as compared to full ducted systems, they’re easier to install and more efficient. However, choosing the right size of the unit plays a vital role in the overall performance of the system.

Mini-split air conditioners come with different cooling capacities. The reason why choosing the right size of your unit is so important in the first place is to ensure you get the best value for the money you spend. For instance, consider two possible scenarios:

  • Your unit is too small for the room

If your mini-split unit has low BTU capacity and your room/space is big, it would fail to provide adequate cooling. The unit will run for long hours to provide desired temperature, resulting in significantly increased electricity bills.

  • Your unit is too large for the room

If your mini-split unit has high BTU capacity and your room/space is small, it would instantly cool it. Due to this, the unit will cycle on and off too frequently. This will not only take a toll on its lifespan but also lead to energy wastage. Furthermore, this can also lead to a damp room and mold issues.

Now that we know how important it is to choose the right size of your mini-split AC, now let's discuss how to choose the right size for 500 Square Feet. Here is a comprehensive guide to help you decide that.

Related Article: Why Choosing The Right PTAC Size Is Important?

Guide To Mini-Split Sizing:

Ductless mini-split air conditioners are available in different BTU capacities and one of the major factors to determine the right size of the unit is the room size. If you are looking to buy a ductless mini-split AC unit for a 500 square feet space, you should consider a unit that has at least 12,000 BTU capacity. However, other factors such as ceiling height, insulation, number of people who share the room, and outside weather might change the number of BTUs required for your space.

Here are some suggestions by HVAC experts to make a better decision about choosing the right size of the unit:

  • For a heavily shaded space, reduce BTU capacity by 10 percent.
  • For a very sunny space, increase BTU capacity by 10 percent.
  • More than two people sharing the space? Add 600 BTUs for each additional person.
  • Is the space at the upper-story? Increase BTU capacity by 10 percent.

What To Look For In Ductless Mini-Split

Apart from choosing the right size of your mini-split unit for your 500 square feet space, there are several other factors you need to consider before investing.

1 - Placement Type

Mini-split air conditioners offer several placement and installation options. You need to choose the one that fits the needs of your 500 square feet space. Available options are as follows:

  • Ceiling Cassette
  • Wall-Mounted Mini-splits
  • Floor-mounted Mini-split
  • Concealed Mini-split

2 - Available Operation Options

  • Heating & Cooling
  • Low-Ambient Operation

3 - Energy Requirements and SEER Measurement

To ensure that your unit is energy efficient, here are a few ratings to keep in mind.

  • Energy Star Rating
  • EER and SEER

Related Article: Two Changes In HVAC Legislation To Watch Out For In 2023

Invest In The Best

We researched and tested several ductless mini-split air conditioners on factors such as efficiency, ease of installation, noise level, value, and range of settings. Based on our experience and our customer reviews, one of the best overall picks is the Perfect Aire 12,000 BTU 22.0 SEER Quick Connect Mini-Split Heat Pump Kit (115V). Read to learn why we believe this Perfect Aire Ductless Mini-Split unit is one of the best units for the money.

Product Features:

  • 12,000 BTU Quick Connect Mini-Split built for bringing comfort to single-zone environments up to 500 sq. ft.
  • Includes high-wall indoor air handler, mounting bracket, outdoor condenser, cable & line set with quick connect adapters, and installation accessories.
  • AHRI certified, and Energy Star rated with a high-efficiency 22.0 SEER.
  • Control with the convenient mobile app.
  • Full-function remote control with a built-in thermostat.
  • 7 adjustable indoor fan speeds.
  • Programmable 24-hour timer.
  • Convenient, smart, super, and auto functions.
  • Reusable and Eco-friendly filters.
  • Premium R410A refrigerant.
  • High-performance inverter heat pump.
  • Hassle-free 1-year warranty.

Looks & Size:

While offering premium performance and efficiency, Perfect Aire 12,000 BTU Mini-Split strikes the perfect balance with its stylish and sleek aesthetics. This unit adds a little sophistication to a space with its slim design.

Room Size

Perfect Aire ductless mini-split has an impressive cooling capacity of 12,000 (BTU/h) that can easily cool a 300-500 sq. ft. room. This air conditioner can save you many headaches by performing well around the year.


This Perfect Aire Quick Connect Mini-Split comes with innovative line set attachments, making it do-it-yourself installation way easier. This system can be set up within hours as no extra refrigerant or system evacuation is required, so you can start feeling cool comfort right away. This easy-to-install solution saves you both time and trouble.


Perfect Aire 12,000 BTU Mini-Split is excellent for all small to medium spaces. It is a good investment, especially for commercial spaces like studio apartments, hotel rooms, institutional facilities, hospitals, and multifamily facilities.


Perfect Aire offers outstanding 1 warranty coverage on this ductless mini-split system. Such strong warranty protection makes Perfect Aire's Ductless Mini-Split Air Conditioner an ideal investment for most commercial facilities.

Partner With ProServices Supply

ProServices Supply is a one-stop solution, providing a hassle-free facility maintenance experience. We offer a wide range of top-quality products such as Built-In Dishwashers, Front-Load Washers, Top Freezer Refrigerator, Garbage Disposal, Dishwashers, Cabinets, Countertops & Vanities collection, Washer Dryer Combinations, and Microwaves from top US brands and top-notch services at competitive market rates. Our highly qualified HVAC technicians also provide customized products for all kinds of requirements.

If you are a facility owner or manager, sourcing products and availing facility maintenance services from ProServices Supply would ensure that all your functional, conservational, and aesthetic objectives are met with the most efficient and cost-effective products & services. Contact us today.

Write a comment(s)

Need Help? Get Free Consultation

By clicking you agree to our Terms and Conditions