THE BIG READ · DIAGNOSTICSSamsung Washer Error Codes: Complete Reference With the Part Behind Each Code
Samsung washer error codes decoded against Samsung's own support documents, with the homeowner check, the bench test, and the OEM part that ends the call.
By Terry Okafor · 16 min read
REGULATIONCommerce Wants Heat Exchanger Parts on the Section 232 Tariff List
Commerce proposed adding heat exchanger parts to the Section 232 tariff list at 25%, two months after residential HVAC was cut to 15%. Comments are closed.
THE BUSINESSTechnician Pay Plans That Don't Backfire: Hourly, Performance Pay, SPIFs, and Profit Sharing
Most small shops copy technician pay plans from a bigger competitor. Build one from your own billable hours and revenue per tech, and skip the overtime traps.
Departments
126 news · 96 guides · 8 interviews
Defrost Hits Hardest Between 10°F and 30°F: PNNL's 22-Home Study Explains What Your Heat Pump Is Doing
PNNL's heat pump defrost study of 22 occupied homes pins defrost to 10°F-30°F outdoor air, 4-6 minute cycles, and under 1°F of room temperature impact.
REFRIGERANTS
Home ACs Leak Just 1.78% of Their Charge a Year, but 1% of Leaks Cause 80% of the Damage
A peer-reviewed field study puts the residential AC refrigerant leak rate at 1.78% of charge a year, with the top 1% of leaks driving 80% of emissions.
INDUSTRY NEWS
BPA Metered 57 Cold-Climate Heat Pump Homes for Three Winters: 30-50% Savings, and HSPF2 Predicted None of It
Bonneville Power's cold-climate heat pump field study metered 57 homes and found HSPF2 didn't predict field results. The 17°F COP and EER2 came closer.
The House Burned Down After Your Service Call. Now the Homeowner's Insurer Is Suing You.
A homeowner's insurer pays the fire claim, then sues your shop to get it back. Here's how subrogation works and what your service tickets have to do with it.
Read all 96 repair guides →Guides, news, and business tips for appliance repair and HVAC pros — every other Tuesday.