◆Home Improvement Ideas Journal

Best DIY Mini Split for Garage

By

Transforming your garage into a comfortable, year-round space often begins with temperature control. DYI mini-split systems have gained traction due to their efficiency and affordability, making them an excellent solution for garage cooling and heating. But how do you choose the best DIY mini-split for your garage? Let's explore.

The first step towards selecting the best DIY mini-split for your garage involves understanding the unique needs of your space. Garage sizes vary, and so do their insulation levels. You'll need to calculate the BTU (British Thermal Unit) requirements based on your garage's square footage and insulation to ensure you purchase a powerful enough unit.

Key Considerations for DIY Garage Mini-Split Installation

Before diving into the top DIY mini-split options, consider these critical factors:

No HVAC? Install a DIY Mini Split Instead
No HVAC? Install a DIY Mini Split Instead
Why We Chose Mr. Cool Mini Splits for Our Garage Apartment + Home Gym - How We Do
Why We Chose Mr. Cool Mini Splits for Our Garage Apartment + Home Gym - How We Do
Easy DIY Mini Split Install for Garage, Shop, or Home
Easy DIY Mini Split Install for Garage, Shop, or Home

Heating and Cooling Capacity

The BTU rating will determine how effectively your mini-split can heat or cool your garage. Higher BTU ratings will provide more cooling or heating power but consume more energy. Be sure to choose a model that matches your garage size:

  • Garages up to 150 sq. ft.: 5,000 to 7,000 BTU
  • Garages 150 to 300 sq. ft.: 9,000 to 12,000 BTU
  • Garages 300 to 500 sq. ft.: 14,000 to 16,000 BTU
  • Garages 500 to 1,000 sq. ft.: 18,000 to 24,000 BTU

For more accurate sizing, use a BTU calculator that accounts for insulation and local climate data.

the ductless mini split cost and install process with text overlay that reads ductless mini split cost and install process
the ductless mini split cost and install process with text overlay that reads ductless mini split cost and install process
Building Modern on a Budget Ep. 6 | Mini-Split A/C & Heat for the Shop
Building Modern on a Budget Ep. 6 | Mini-Split A/C & Heat for the Shop
Can You Install a Mini-Split Condenser in the Garage? Pros, Cons, & Expert Advice
Can You Install a Mini-Split Condenser in the Garage? Pros, Cons, & Expert Advice

Energy Efficiency

Investing in an energy-efficient model will help you save on utility bills in the long run. Compare the Seasonal Energy Efficiency Ratio (SEER) and Energy Efficiency Ratio (EER) of different models. A higher SEER or EER indicates better energy efficiency:

  • SEER 15 or above: Excellent. Ideal for mild climates.
  • SEER 12-15: Good. Suitable for most climates.
  • SEER 10-12: Fair. Ideal for colder climates.

Top DIY Mini-Split Systems for Garage Installation

After considering your garage's heating and cooling needs, let's dive into three top-rated DIY mini-split systems:

1. LG LSSE2419020EA (14,000 BTU)

The LG LSSE2419020EA is a 14,000 BTU mini-split system designed for garages up to 500 sq. ft. It offers a competitive SEER rating of 15.0 and an EER of 12.0, earning it high marks in energy efficiency. This system also features LG's unique Gold Fin condenser, offering impressive corrosion resistance against harsh weather conditions.

Heating my garage workshop with a mini-split
Heating my garage workshop with a mini-split
MRCOOL mini split 1 year update - A/C in GARAGE
MRCOOL mini split 1 year update - A/C in GARAGE
How Does a Mini Split Air Conditioner Work in a Garage Ventilation System?
How Does a Mini Split Air Conditioner Work in a Garage Ventilation System?
How to Install your Own Mini Split in a Weekend | Rogue Engineer
How to Install your Own Mini Split in a Weekend | Rogue Engineer
Garage Mini Split
Garage Mini Split
DIY Mini Split Install: 3 Regrets After 1 Year of Use
DIY Mini Split Install: 3 Regrets After 1 Year of Use

LG's 24-hour on/off timer allows you to schedule your heating and cooling needs, ensuring comfort upon arrival. With a slim, compact design, this mini-split system won't take up much garage wall space. Plus, its low decibel operation (as low as 28 dB) ensures quiet performance.

2.Friedrich Kaire 12 (12,500 BTU)

The Friedrich Kaire 12 is another excellent DIY mini-split option, offering 12,500 BTU of cooling and heating power, perfect for garages up to 500 sq. ft. It boasts impressive SEER (18.0) and EER (11.0) ratings, making it an energy-efficient choice. This model also features Friedrich's innovative ColdQuiet™ technology for ultra-quiet operation (as low as 25 dB).

With a 24-hour timer and programmable weekly timer, the Friedrich Kaire 12 provides convenient temperature control. Its sleek design and low-profile indoor unit make it an attractive addition to any garage.

What Is the Easiest Mini Split DIY Kit to Install? – HowTo HVAC
What Is the Easiest Mini Split DIY Kit to Install? – HowTo HVAC
Our Picks for Best Floor Mounted Mini Split
Our Picks for Best Floor Mounted Mini Split
Best way to heat a workshop garage, a Mr Cool DIY Mini Split Heating in Extreme Cold!
Best way to heat a workshop garage, a Mr Cool DIY Mini Split Heating in Extreme Cold!
DIY Mini Split Installation – A Complete A to Z Detailed Guide
DIY Mini Split Installation – A Complete A to Z Detailed Guide
DIY Mini Split Install | MrCool 18k Installation Tutorial
DIY Mini Split Install | MrCool 18k Installation Tutorial
Mr Cool DIY Mini Split Line Sets, Drain and Cable Installation #diy #hvac #minisplit
Mr Cool DIY Mini Split Line Sets, Drain and Cable Installation #diy #hvac #minisplit
Our Picks for BEST DIY Mini Split Heat Pumps that Cools and Heats 2020
Our Picks for BEST DIY Mini Split Heat Pumps that Cools and Heats 2020
How Much Energy Mini-Splits Use: Are They Expensive To Run?
How Much Energy Mini-Splits Use: Are They Expensive To Run?
DIY Outdoor Mini Split Tutorial for Your Back Porch | DIY projects
DIY Outdoor Mini Split Tutorial for Your Back Porch | DIY projects
DIY Mini Split Installation
DIY Mini Split Installation
Complete DIY Mini Split Installation | New Mr Cool 4th Gen Unit
Complete DIY Mini Split Installation | New Mr Cool 4th Gen Unit
What Is the Easiest Mini Split DIY Kit to Install? – HowTo HVAC
What Is the Easiest Mini Split DIY Kit to Install? – HowTo HVAC
Complete DIY Mini Split Installation | New Mr Cool 4th Gen Unit
Complete DIY Mini Split Installation | New Mr Cool 4th Gen Unit
How to Install a Mini Split: DIY and Professional Installation Guide
How to Install a Mini Split: DIY and Professional Installation Guide

3.D-account TRIO 18K/18M (18,000 BTU)

For larger garages (up to 1,000 sq. ft.), consider the D-account TRIO 18K/18M mini-split system. With an 18,000 BTU rating and competitive SEER (16.0) and EER (12.0) ratings, this model offers powerful cooling and heating performance. It's also built to last with a stainless-steel housing and durable coating to prevent corrosion and withstand harsh weather conditions.

The D-account TRIO features a user-friendly remote control with a 24-hour timer and auto-restart function. Its compact, modern design ensures it won't clutter your garage space, making it an excellent choice for larger spaces where aesthetics matter.

Investing in the right DIY mini-split system will transform your garage into a comfortable, inviting space year-round. Careful consideration of your specific needs and comparing top-performing models like the LG LSSE2419020EA, Friedrich Kaire 12, and D-account TRIO 18K/18M will help you make an informed decision.