Feb 16th 2026
Mini Split Not Cooling: A Complete Troubleshooting Guide A mini-split system that’s not cooling is a common complaint that can have a wide range of causes, from simple issues like a dirty filt…
Published by HVACProSales Team
Feb 9th 2026
HVAC Line Set Sizing Guide: A Contractor's Reference Properly sizing the refrigerant line set is a fundamental aspect of any successful HVAC installation, particularly when working with mini-split an…
Published by HVACProSales Team
Feb 2nd 2026
MERV Filter Airflow Problems: A Guide to Balancing Filtration and System Performance HVAC air filters are an essential component of any forced-air heating, ventilation, and air conditioning system. T…
Published by HVACProSales Team
Jan 26th 2026
AC Compressor Won’t Start: A Technician's Troubleshooting Guide An air conditioner's compressor is the heart of the system, responsible for circulating refrigerant and enabling the cooling pro…
Published by HVACProSales Team
Jan 22nd 2026
MRCOOL Preseason Sale 2026: Save on DIY Mini Split Systems Before Peak Season Take advantage of limited-time savings on MRCOOL DIY mini split heat pump systems during the MRCOOL Preseason Sale 2026.…
Published by HVACProSales Team
Jan 19th 2026
Condensate Pump Not Draining: A Comprehensive HVAC Troubleshooting Guide A condensate pump is a small but critical component in many HVAC systems, especially those with indoor air handler units locat…
Published by HVACProSales Team
Jan 12th 2026
MRCOOL Mini Split Error Codes: E1 & P4 Troubleshooting Guide MRCOOL mini-split systems have become a popular HVAC solution for homeowners and contractors alike, thanks to their energy efficiency, eas…
Published by HVACProSales Team
Jan 5th 2026
Mini Split Vacuum Won't Reach 500 Microns – HVAC Troubleshooting Guide One of the most common and frustrating problems HVAC technicians face during a mini-split installation is the vacuum pump…
Published by HVACProSales Team
Jan 5th 2026
Is Your Old AC Running Out of Gas? The Truth About Refrigerant Changes If you’ve heard whispers at the hardware store or caught a worried snippet from a neighbor—yes, the big refrigerant change is re…
Published by HVACProSales Team
Dec 31st 2025
Protect the Condenser, Protect the System: Why Proper Mini-Split Condenser Mounting Matters Outdoor mini-split condensers are a critical component of any ductless HVAC system, responsible for releasi…
Published by HVACProSales Team
Dec 30th 2025
Cold-Weather Comfort Solved: Enhancing Heat Pump Performance with the MRCOOL MHK05H 5kW Heat Kit Heat pumps and mini-split systems have revolutionized home and light commercial heating by providing e…
Published by HVACProSales Team
Dec 29th 2025
Fast, Error-Free Mini-Split Installations Mini-split HVAC systems have become increasingly popular for their efficiency, flexibility, and ease of installation in both residential and light-commercial…
Published by HVACProSales Team
