HVAC Tips
Is a 2.5 Ton AC or Heat Pump Enough for Your Home? Room-by-Room Sizing Tips
Whether you’re upgrading an aging HVAC system or outfitting a newly built home, sizing your air conditioning or heat pump system correctly is criti...
Understanding Line Sets and Extensions for Multi-Zone MRCOOL Installs
Installing the MRCOOL DIY 5th Generation 48,000 BTU 4-Zone Mini Split System is one of the most homeowner-friendly HVAC upgrades on the ma...
What’s New in the 5th Generation MRCOOL DIY System?
If you're a homeowner like Tony who's already familiar with the MRCOOL name — or you’re shopping for your first DIY mini split — you’ve probably he...
Troubleshooting Guide: What to Do If Your Wall Unit Isn’t Heating or Cooling Properly
Facing an issue with your MRCOOL wall unit? Don’t panic—this guide helps Tony-like homeowners resolve common problems step‑by‑step before calling a...
Maintenance Tips for Your MRCOOL Through-the-Wall AC/Heat Pump Combo
Owning a MRCOOL through-the-wall AC with heat pump combo gives you reliable, energy-efficient year-round comfort — but like any HVAC system, it req...
DIY Installation of the MRCOOL 4-Zone Mini Split: What to Expect
The MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Mini Split System is one of the most homeowner-friendly HVAC upgrades on the market — and one of the few p...
Best Rooms to Use 9k vs. 12k Air Handlers: Layout Planning Tips
When you invest in a multi-zone mini split system like the MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Heat Pump, one of the most important steps happens ...
Can the MRCOOL 48,000 BTU System Handle Extreme Weather?
For homeowners like Tony who live in areas with scorching summers, frigid winters, or both, the question isn’t just “how efficient is a ductless mi...
How the MRCOOL DIY 4-Zone System Saves Money on Utilities
In a world where utility bills seem to rise with every season, homeowners like Tony are always looking for smarter, more efficient ways to heat and...
Is a 48,000 BTU Mini Split System Right for Your Home? Sizing for 4 Zones
When shopping for a ductless mini split, one of the biggest questions homeowners like Tony ask is: Will a 48,000 BTU system cover my whole house — ...
Can a MRCOOL 5-Zone Mini Split Handle Winter? Cold Climate Performance Tested
🔥 1. How MRCOOL Heat Pumps Work in Cold Weather
Unlike central furnaces, a MRCOOL mini split uses a heat pump to transfer outdoor warmth—even in co...
Noise Levels, Aesthetics, and Mounting: What to Expect from Your Wall Units
🔈 1. How Quiet Are MRCOOL Wall Units?
MRCOOL's 5th Gen wall-mounted indoor units are designed for quiet operation:
Sound range: 23 to 42 dB(A)
...