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Heat Pump

Heat Pump Repair & Service in Seattle Metro

Need heat pump repair or service in Seattle Metro? Our certified technicians quickly diagnose and fix issues. Schedule service now!

Is Your Heat Pump Making a Grinding Noise or Blowing Lukewarm Air?

Is your outdoor unit caked in a thick layer of ice that just won't melt? These are serious warning signs that your system is struggling and won't fix itself. Glendale Heating And Air Conditioning has technicians ready to diagnose and repair your heat pump anywhere in the Seattle Metro area.

Warning Signs Your Heat Pump Needs a Professional

When your heat pump is in trouble, it sends out clear signals. Ignoring them usually leads to a much bigger, more expensive problem. Here’s what we see every day on service calls.

Inconsistent Heating or Cooling

You set the thermostat, but the temperature never feels right. One room is stuffy while another is cold, or the system runs constantly but can't hit the temperature you want. This points to a system that’s out of balance, often due to refrigerant issues, a failing compressor, or a blocked coil that can't transfer heat properly.

Strange Noises from the Unit

You know the normal hum of your heat pump, and this isn't it. Grinding or screeching sounds often mean a motor bearing is shot. A loud banging or clanking could be a loose part, while a hissing sound is a classic sign of a refrigerant leak that needs to be found and sealed fast.

Spiking Energy Bills

If your utility bill suddenly jumps without a change in your habits, your heat pump is likely the culprit. It's working overtime to do its job, burning through electricity because something is wrong. This could be anything from a dirty coil to a failing component forcing the system into a state of constant, inefficient operation.

Constantly Cycling On and Off

We call this "short cycling." The heat pump kicks on, runs for just a few minutes, then shuts off, only to repeat the process over and over. This puts tremendous wear on the compressor, the heart of your system, and is often caused by a clogged filter, low refrigerant, or a faulty thermostat.

Ice Formation on the Outdoor Unit

A light frost in winter is normal and your heat pump's defrost cycle should handle it. But if you see a solid block of ice building up on the outdoor coil, something is wrong. This is often a sign of a failing defrost control, low refrigerant, or restricted airflow, and it will choke your system's ability to heat your home.

Common Causes of Heat Pump Problems

After hundreds of repair calls across the Seattle Metro, we've seen it all. Most failures boil down to one of a few key issues that require professional tools and know-how to fix correctly.

Refrigerant Leaks

The constant vibration of the system, combined with our damp climate, can create tiny cracks in the refrigerant lines or coils. When the refrigerant—the system's lifeblood—leaks out, the heat pump can no longer effectively move heat. We don't just top it off; we find the leak, repair it, and then charge the system to factory specifications.

Electrical Component Failure

Your heat pump is full of electrical parts: capacitors that help motors start, contactors that send power to the compressor, and control boards that act as the brain. A power surge, corrosion, or simple wear and tear can cause any of these to fail, leaving your system dead in the water. We test the entire electrical system to find the exact point of failure.

Dirty Coils and Clogged Filters

The coils are where heat exchange happens, and if they're caked in dirt, pollen, and grime, they can't do their job. This is like trying to breathe through a dirty rag. A clogged filter does the same thing to your indoor unit, starving the system of airflow and putting immense strain on the fan motor and compressor.

Reversing Valve Failure

This is the component that makes a heat pump a heat pump, allowing it to switch from heating to cooling. When the reversing valve gets stuck or fails, you'll be stuck in one mode—usually the one you don't want. Diagnosing and replacing a bad reversing valve is a complex job that requires recovering and recharging the system's refrigerant.

What to Expect During Your Repair Visit

When you call us for a heat pump repair, we send a licensed and insured technician to your home, not a salesperson. Our first priority is to figure out exactly what’s wrong. We perform a complete diagnostic inspection of both the indoor and outdoor units, using specialized tools to test refrigerant pressures, electrical components, and system performance.

Once we’ve identified the root cause of the problem, our technician will walk you through the findings in plain English. We’ll explain the necessary repair, what it involves, and give you an honest, upfront price before any work begins. There are no surprises and no pressure, just a clear path to getting your comfort restored.

With your approval, we get to work. We use high-quality parts and the proper techniques to ensure the repair is done right the first time. After the repair is complete, we test the entire system to confirm it’s running safely and efficiently, leaving your home as comfortable as we found it.

Heat Pump Repair & Service Coverage Across the Seattle Metro

From Tacoma to the Eastside, our team provides expert heat pump repair. We are a local, family-owned company that has served this region for decades, and our technicians are ready to help no matter which neighborhood you call home.

Related Heat Pump Services

While we're focused on fixing the immediate problem, long-term reliability is just as important. Many repairs can be prevented with routine Heat Pump Maintenance & Tune-Up service. And if your system is older and repairs are becoming frequent, it may be time to discuss a modern, high-efficiency Heat Pump Installation & Replacement.

Get Your Heat Pump Fixed Right

A broken heat pump is more than an inconvenience; it’s a disruption to your life. You need a reliable repair from a company that knows these systems inside and out. As a family-owned business serving the Greater Seattle area since 1938, Glendale Heating And Air Conditioning has built its reputation on honest work and lasting solutions.

Don’t put up with inconsistent temperatures or strange noises any longer. Let our experienced technicians provide a clear diagnosis and a professional repair that restores your peace of mind. Schedule your heat pump repair and service today and let us get your home comfortable again.

Questions Seattle homeowners ask us

Is a heat pump a good choice in Seattle?

Absolutely. Washington's mild winters are ideal for heat pumps — they heat efficiently nearly all year and cool your home in summer too. Ask us about current utility rebates that may apply to your home; it's one of the smartest upgrades a PNW homeowner can make.

How do I know if I should repair or replace my furnace?

It depends on age, repair cost, and efficiency. As a rule of thumb, if your system is over 12–15 years old and facing a major repair, replacement often saves money long-term. Our technician will give you the honest options so you can decide.

What brands do you install and service?

As an authorized Lennox dealer we specialize in high-efficiency Lennox systems, and our technicians service all major HVAC brands. We carry common parts on the truck so most repairs are handled in a single visit.

What areas does Glendale Heating serve?

We serve the Greater Seattle area — including Seattle, Bellevue, Renton, Kent, Burien, Des Moines, Federal Way, Auburn, Tacoma, and surrounding King and Pierce County communities. Not sure if you're in our area? Call (206) 243-7700 and we'll let you know.

More answers on the full FAQ page .

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Ready for comfort you can count on?

Whether it's a furnace that quit on a cold morning or a whole new system, the Glendale team is ready. Honest pricing, expert work, and 87+ years behind every visit.

Hours & Emergency

  • Mon–Sat: 8:00 AM – 7:00 PM
  • Sun: Emergency On-Call Only
  • Emergency line: (206) 243-7700