HVAC Tips
Can This System Handle Extreme Weather? Winter Heating & Summer Cooling Tips
How Much Can You Save on Utilities with a MRCOOL 3-Zone Mini Split?
DIY Install or Call a Pro? Installing the 36k BTU 3-Zone System Step by Step
What’s New in the 5th Gen MRCOOL DIY System? A Homeowner’s Overview
Which Rooms Are Best for 9k BTU Heads? Zoning Strategies That Work
Is a 36,000 BTU Mini Split Enough for Your Home? How to Size a 3-Zone System
Air Conditioner Size Matters: Finding the Right 2½ Ton or 3½ Ton HVAC System
When a 2½ ton AC unit is too small and a 3½ ton feels like overkill, homeowners get stuck. HVAC expert Mark Callahan unpacks the realities of mid-sized systems—from 2 1⁄2 ton air conditioner price to 3½ ton AC unit pros and cons—and why a properly matched 3 ton R‑32 bundle is often the smarter choice.
Remote Control, Smart App & WiFi Tips for the MRCOOL DIY 4-Zone
Can You Expand the MRCOOL 4-Zone System Later? Futureproofing Your Install
Mobile Home HVAC Demystified: A No-Frills Guide to Air Conditioning & Heating
Mobile homes deserve reliable, efficient HVAC systems that fit their unique demands. HVAC veteran Mark Callahan dives into everything—from central air setups to package units—for mobile and manufactured homes, including why the Goodman 3 Ton 14.5 SEER2 R-32 bundle deserves a look.
The Truth About 3 Ton Heat Pump Package Units — Mark Callahan’s No-Nonsense Guide
Thinking about a 3 ton heat pump package unit? HVAC veteran Mark Callahan breaks down what these all-in-one systems do, who they’re best for, and what to watch out for before buying or installing a 3 ton AC heat pump package unit.
