Practical guides to air conditioning, heat pumps and mini splits: what installation really costs, how to choose the right equipment and what to check when something stops working. Every price comes with its source and date.
Browse by topic
- Costs & Prices: installation and repair costs with sources and dates.
- Buying Guides: sizing, comparisons and how to choose equipment.
- Troubleshooting & Repair: causes, what you can check yourself and when to call a pro.
Latest guides
- Inverter vs Non-Inverter Mini Split: Differences and Which to ChooseLast reviewed: November 11, 2026 · Reviewed by the Mercorp HVAC editorial team Short answer: if you will run your mini split for several hours … Read more
- What Size Mini Split Do I Need? BTU Chart by Square FootLast reviewed: November 11, 2026 · Reviewed by the Mercorp HVAC editorial team For a room with standard 8-foot ceilings and average insulation, Carrier’s sizing … Read more
- Mini Split Not Cooling? Causes and What to Check Before You Call a TechnicianLast reviewed: November 11, 2026 · Reviewed by the Mercorp HVAC editorial team If your mini split turns on but is not cooling, start with … Read more
- How Much Does It Cost to Install a Mini Split? 2026 PricesLast reviewed: November 11, 2026 · Reviewed by the Mercorp HVAC editorial team Most single-zone mini split installations in the U.S. cost $1,800 to $6,000 … Read more