Appliance & HVAC Knowledge Base

Field guides written by Sam between service calls — the real failure patterns of the refrigerators, dryers, air conditioners, heat pumps and furnaces we fix every week across the North Seattle metro.

❄️ Refrigerator Repair Guides

LG

Sub-Zero

Whirlpool

KitchenAid

Kenmore

Frigidaire

🌀 Dryer Repair Guides

Samsung

Whirlpool

Maytag

Kenmore

GE

🌡️ AC & Heat Pump Guides

AC & Heat Pump repair guide

AC Running But Not Cooling? The Four-Suspect Lineup, in Order of Likelihood

An AC that runs without cooling usually has a failed capacitor, a stalled condenser fan, filthy coils or a refrigerant…

Sam · 6 min read
AC & Heat Pump repair guide

The $30 Part That Kills Most ACs in a Heat Wave: Capacitor Failure Explained

Humming outdoor unit, fan that needs a stick-start, breaker trips, cooling that quits at 4 PM — the run capacitor's gr…

Sam · 5 min read
AC & Heat Pump repair guide

AC Low on Refrigerant? That's a Leak — and 'Topping Off Every Summer' Is the Expensive Habit

Refrigerant doesn't get used up. Ice on the lines, hissing coils, weak afternoon cooling and the yearly top-off ritual…

Sam · 6 min read
AC & Heat Pump repair guide

Your AC Uses R-22? The Honest Repair-or-Replace Math After the Phaseout

R-22 hasn't been produced since 2020 — the leftover supply is priced like a luxury good. When repairing an R-22 system…

Sam · 6 min read
AC & Heat Pump repair guide

Ice on Your AC Lines or Coil? Turn It Off First — Then Find Which of Two Causes You Have

A frozen evaporator coil comes from starved airflow or a refrigerant leak — nothing else. Why running it frozen wrecks…

Sam · 5 min read
AC & Heat Pump repair guide

Heat Pump Struggling When It's Cold Out? What's Normal, What's Broken

Cool-feeling supply air, steam clouds, defrost pauses — much of what worries heat pump owners in winter is by design. …

Sam · 6 min read
AC & Heat Pump repair guide

Heat Pump Covered in Ice? Frost Is Normal, an Ice Block Means Defrost Has Failed

Light frost comes and goes by design. A heat pump encased in ice has a failed defrost sensor, board or reversing valve…

Sam · 5 min read
AC & Heat Pump repair guide

Ductless Mini-Splits in Western Washington: Why They Fit Our Homes, and What Install Day Looks Like

No ducts, room-by-room control, real heating and cooling from one wall unit — why mini-splits took over the North Seat…

Sam · 7 min read
AC & Heat Pump repair guide

Replacing Your AC: What a Proper Installation Day Actually Includes

An AC replacement is decided in the details — nitrogen brazing, deep vacuum, weighed charge, line-set decisions, corre…

Sam · 6 min read
AC & Heat Pump repair guide

The AC Tune-Up, De-Mystified: What a Real One Includes and What's Theater

Coil cleaning, capacitor testing under load, refrigerant verification by measurement, drain clearing, amp draws — the …

Sam · 5 min read
AC & Heat Pump repair guide

Outdoor AC Fan Not Spinning: Capacitor, Motor or Contactor — the Stick Test Tells

A still fan on a humming condenser separates into three suspects with one careful test. Why the stick-start trick is a…

Sam · 5 min read
AC & Heat Pump repair guide

AC Keeps Tripping the Breaker? Stop Resetting and Read This First

One trip is an event; repeated trips are a message. Weak capacitors, seized fans, dirty coils, shorted compressors and…

Sam · 5 min read
AC & Heat Pump repair guide

Heat Pump Noises Decoded: The Whoosh That's Normal, the Grind That Isn't

Defrost whooshes, refrigerant gurgles and cold-start hums are heat pump life. Grinding fans, screaming bearings, rattl…

Sam · 5 min read
AC & Heat Pump repair guide

Is It the Thermostat or the System? The 10-Minute Elimination Every Homeowner Can Run

Blank screens, systems that ignore settings, short cycling, rooms that never match the setpoint — how to tell a $-mode…

Sam · 5 min read
AC & Heat Pump repair guide

Heat Pump vs. Furnace in Western Washington: The Climate Math, Played Straight

Our marine climate is the best heat pump territory in the country — but the right answer depends on your fuel, ducts a…

Sam · 7 min read

🔥 Furnace & Heating Guides

Something already misbehaving? See all services or call (425) 570-9520.

📞 Call (425) 570-9520