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Solving the Dead Battery Dilemma

Waking up to a blank thermostat screen can make you think your whole heating or cooling system has failed. Most of the time, the real culprit is just dead batteries ...

Don’t Let a Cracked Heat Exchanger Play an April Fool on You

April nights in Oregon still bring freezing temperatures, which means your furnace keeps running. At Robben & Sons, we see how the metal in your heat exchanger endures thousands of ...

Stop the Slug in Your Drain and Clear Your Condensate Line

A mystery puddle or a sudden ceiling leak is often the result of a clogged HVAC condensate line, a common issue during the damp months of April. The consistent 50°F ...

The “Valley Sneeze”: Prepping Your HVAC for Oregon’s Tree Pollen Explosion

Oregon’s Willamette Valley turns into an allergy hotspot every spring, thanks to Birch and Alder pollen flooding the air. Most homeowners grab the cheapest HVAC filters, but those tiny pollen ...

The “Pine Needle Trap”: Why Your Outdoor Unit is Choking After Winter

Your outdoor unit sounds like it’s gasping for air every time it kicks on. That noise and vibration? It’s often the “pine needle trap” clogging your fan shroud with Oregon’s ...

Beyond the Filter: The “Drain Pan” Science Project

When the first warm week hits, you expect sunshine—not a mysterious ceiling leak or a puddle in your closet. What’s really going on is winter moisture trapped in your condensate ...

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