News

Strong summer sunlight entering a room through closed window blinds
Why AC Systems Lose Cooling Capacity During Extreme Summer Heat
Learn why AC systems lose cooling capacity in extreme heat, what is normal during a heat wave, and which warning signs require professional service. Read more...
Open HVAC control compartment showing the circuit board, wiring, and service components
The Future of HVAC Refrigerants: What Contractors Need to Know Before 2030
Prepare for HVAC refrigerant changes before 2030, including HFC supply cuts, A2L service practices, leak rules, and reclaimed refrigerant requirements. Read more...
Row of commercial rooftop HVAC units that may use R407C refrigerant
R407C Refrigerant Guide: Uses, Pressure Characteristics, and Alternatives
Learn R407C applications, composition, pressures, temperature glide, charging practices, EPA status, and alternatives such as R32 and R454B. Read more...
Refrigerated grocery store aisle containing commercial display cases
R404A Refrigerant Guide: Applications, Properties, and Replacement Options
Learn where R404A is used, its composition, GWP, charging requirements, current EPA status, and replacement options including R448A and R449A. Read more...
Rows of compressed-gas cylinders staged in an outdoor storage area
How to Transport Refrigerant Cylinders Safely: DOT Rules and Best Practices
Learn how to transport refrigerant cylinders safely under DOT rules, including cylinder checks, securement, labels, placards, and MOT limits. Read more...
Refrigeration compressor on a workshop bench illustrating the importance of correct compressor oil
The Complete Guide to Refrigerant Oils: Mineral Oil, POE Oil, and PAG Oil Explained
Learn how mineral oil, POE oil, and PAG oil differ, where each is used, and why refrigerant, compressor, viscosity, and oil compatibility matter. Read more...
HVAC technician diagnosing an air-conditioning system after a refrigerant recharge
Why Does My AC Compressor Fail After a Refrigerant Recharge?
Learn why an AC compressor may fail after a refrigerant recharge, including overcharging, liquid slugging, contamination, leaks, and electrical faults. Read more...
HVAC technician checking refrigerant pressure during an AC recharge
How Much Does It Cost to Recharge an AC With Refrigerant in 2026?
Learn what an AC refrigerant recharge costs in 2026, including refrigerant, labor, leak detection, repairs, and R-22 versus R-410A pricing. Read more...
HVAC technician inspecting an outdoor AC unit refrigerant label
How to Read an AC Refrigerant Label: Type, Model & Charge
Learn how to read an AC refrigerant label, including model numbers, refrigerant type, factory charge, electrical data, and safety warnings. Read more...
AC Refrigerant Leak: 7 Signs and What to Do Next
AC Refrigerant Leak: 7 Signs and What to Do Next
Learn seven signs of an AC refrigerant leak, what else can cause them, when to shut the system off, and why a certified technician should repair it. Read more...
R-134a vs. R-1234yf: Which Refrigerant Does Your Car Use?
R-134a vs. R-1234yf: Which Refrigerant Does Your Car Use?
Learn how to tell whether your car uses R-134a or R-1234yf, why model year alone is not enough, and why the refrigerants must never be mixed. Read more...
Why “Just Add Freon” Can Lead to Bigger AC Repair Costs
Why “Just Add Freon” Can Lead to Bigger AC Repair Costs
Adding refrigerant without diagnosing the problem can mean repeat service calls, higher energy use, and bigger AC repair costs. Learn what to check first. Read more...
Why AC Refrigerant Repairs Are Getting More Expensive, and What Homeowners Can Do Before Peak Heat
Why AC Refrigerant Repairs Are Getting More Expensive, and What Homeowners Can Do Before Peak Heat
Learn why AC refrigerant repairs are getting more expensive, which refrigerants are affected, and how homeowners can prepare before peak cooling season. Read more...