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Air Conditioning

AC Installation & Replacement in Kirkland, WA

Expert AC installation & replacement in Kirkland, WA. Stop high bills and uneven cooling with a new, efficient system. Schedule your free estimate!

AC Installation & Replacement for Your Kirkland Home

Are you tired of your Kirkland home feeling muggy and uncomfortable, even with the air conditioner running constantly? Do you find yourself adjusting the thermostat over and over, only to discover some rooms are stiflingly hot while others are too cold, or have you noticed your energy bills climbing higher each summer? These aren't just minor inconveniences; they're clear indicators that your home's cooling system is no longer performing as it should, struggling to keep up with our evolving climate. When your existing AC is failing, a professional AC installation or replacement is the most effective solution, and Glendale Heating And Air Conditioning is ready to help.

Clear Signs Your Kirkland AC System Needs Attention

When an air conditioner is on its way out, it gives you plenty of warning. The key is knowing what to look for. These are the most common signs we see in homes across Kirkland that signal it's time for an upgrade.

Rising Energy Bills

Your summer electricity bills are significantly higher than in previous years, even though your cooling habits haven't changed. This is a major red flag, especially in Kirkland where household expenses are always a consideration.

An AC unit that’s old or struggling is consuming excessive power to do its job. Failing components, low refrigerant, or dirty coils force the system to work much harder, driving up your utility costs without delivering the comfort you expect. Ignoring this means you're just paying more for less cooling and risking a complete breakdown when you need it most.

Uneven Cooling or Hot Spots

You've noticed that certain rooms in your home, especially on the upper floors, remain uncomfortably warm while other areas are cool. This is a frequent complaint we hear, particularly in Kirkland's beautiful older, multi-story homes or those that have had additions built on.

This often means your system is undersized for your home's layout, your ductwork is leaking conditioned air, or the unit is simply too old to push cool air effectively throughout the entire house. This imbalance not only reduces comfort but also wastes energy, as you're over-cooling some areas to compensate for the hot spots.

Frequent Breakdowns and Costly Repairs

It feels like your AC unit needs a professional service call every summer, and you’re getting tired of paying for replacement parts and labor. You’re spending more and more just to keep the old system limping along.

An air conditioner that needs constant repairs is past its prime, with multiple components nearing the end of their service life. The cumulative cost of these repairs can quickly add up, often making a new, reliable AC installation a smarter financial decision in the long run. Continuing to patch up a failing unit is often throwing good money after bad.

Loud or Unusual Noises

You're hearing grinding, squealing, banging, or rattling noises from the outdoor unit or the indoor air handler that you haven't heard before. These sounds are your system's way of telling you something is seriously wrong inside.

These noises often point to mechanical problems like a failing motor, a loose fan blade, or a worn-out compressor. While some sounds are minor, others can indicate imminent catastrophic failure of a major component, which would require a full replacement anyway.

Your AC Unit is Over 10-15 Years Old

You know your air conditioner has been working for over a decade, maybe even closer to fifteen years. It might still be running, but its age is a significant factor in its performance and reliability.

Even a well-maintained older unit is far less efficient than the systems available today. Technology has advanced dramatically, offering huge improvements in energy savings and cooling performance. Proactively planning for an AC replacement allows you to choose a modern, high-efficiency model before your old one fails during a heatwave.

What's Really Going On With Your AC System?

Understanding why your system is failing can help you make a confident decision about replacement. These are the most common underlying causes we diagnose in the field.

System Age and Wear

Like any major appliance, an air conditioner has a limited lifespan. After 10 to 15 years of seasonal cycles, critical components like the compressor and fan motors degrade from accumulated stress and wear.

This is especially common in Kirkland, where many beautiful homes built in the mid-to-late 20th century may still have their original or very old AC units. These systems simply weren't designed for the sustained use required during our increasingly warm summers. When age is the primary factor, a full system replacement is the only practical solution.

Inefficient or Undersized Equipment

The original AC unit may have been improperly sized for your home's square footage, insulation, and window layout. It's also possible that a home addition or renovation has increased your cooling needs beyond what the old system can handle.

We often see this in older Kirkland homes where central air was added years ago without a proper load calculation. The system runs constantly but never quite gets the house comfortable because it lacks the capacity. The only fix is a new AC installation with a system that is correctly sized for your home's specific needs.

Refrigerant Leaks

Refrigerant is the lifeblood of your AC, absorbing heat from inside your home and releasing it outside. When leaks develop in the coils or lines, the system loses its ability to cool effectively and has to work much harder.

Older AC units that use R-22 refrigerant are especially prone to leaks due to their age. With R-22 being phased out and expensive, repeatedly patching leaks and recharging the system is no longer a cost-effective strategy. A new system uses modern, more environmentally friendly refrigerant and eliminates the problem entirely.

Ductwork Issues

Your ducts are the delivery system for cool air, but if they are leaky, poorly designed, or uninsulated, a lot of that expensive conditioned air is lost. It can escape into your attic or crawl spaces instead of reaching your rooms.

Many older Kirkland homes have original ductwork that has deteriorated over time, leading to the uneven cooling and hot spots you experience. During an AC replacement, we assess the ductwork to see if it's contributing to the problem. Our on-premises sheet-metal shop allows us to fabricate custom solutions for optimal airflow.

Lack of Proper Maintenance

When regular maintenance is neglected, dirt and debris build up on filters, coils, and fans. This buildup restricts airflow and forces the system to work under constant strain, leading to reduced efficiency and premature failure.

It's easy for busy households to overlook annual tune-ups until a major problem occurs. A new AC installation is the perfect opportunity to start fresh with a commitment to regular maintenance, which protects your investment and ensures it runs efficiently for years to come.

What to Expect During Your AC Installation & Replacement Visit

When Glendale Heating And Air Conditioning arrives at your Kirkland home, you can expect a professional and transparent process from start to finish. Our licensed and insured technicians begin with a thorough assessment, performing a detailed load calculation to ensure your new system is perfectly sized for your home's unique layout, insulation, and cooling demands. This step is critical for achieving optimal comfort and efficiency, especially in older or renovated properties.

Before any work starts, we provide you with honest, upfront pricing so there are no surprises. Our team will then carefully and cleanly remove your old equipment. As a Lennox Premier Dealer with a history dating back to 1938, we specialize in installing high-quality, reliable systems. Our in-house, on-premises sheet-metal shop gives us the unique ability to custom-fabricate any ductwork transitions or fittings needed, ensuring a perfect, airtight installation that maximizes system performance.

Once the new unit is in place, we meticulously test every function to confirm it’s operating at peak performance and safety standards. We’ll then walk you through your new system, explain its features, and show you how to get the most out of it. Our job isn't done until you are completely comfortable with your new air conditioner and confident in its operation.

Related Services to Consider

To get the absolute best performance and longevity from your new air conditioner, we recommend considering a couple of related services.

AC Maintenance & Tune-Up

Protect your investment with a plan for regular professional maintenance. An annual AC Maintenance & Tune-Up will keep your system running at peak efficiency, help prevent unexpected breakdowns, and extend its lifespan for many years of reliable cooling.

Smart Thermostat Installation & Replacement

Upgrade your home's control system by pairing your new AC with a smart thermostat. These devices learn your cooling habits, optimize energy use, and allow you to adjust the temperature from anywhere, providing a new level of convenience and savings.

The Cost of Waiting

Putting off a necessary AC replacement in your Kirkland home does more than just prolong your discomfort. An old, inefficient system will continue to drive up your summer energy bills, costing you money every day it runs. More importantly, the risk of a complete system failure grows, and it will likely happen during a heatwave when you need cooling the most and service appointments are in high demand.

A struggling air conditioner can also fail to properly dehumidify your home's air, which can contribute to a clammy, uncomfortable feeling indoors and potentially lead to moisture-related issues. By investing in a new, high-efficiency system now, you regain control over your comfort, lower your energy costs, and avoid the stress and expense of an emergency breakdown.

Ready to Upgrade Your Kirkland Home's Cooling?

Don't let an old, unreliable air conditioner dictate your comfort this summer. If your system is showing signs of age and inefficiency, it's time to explore your options for a modern, high-performance replacement. Glendale Heating And Air Conditioning is here to restore cool, comfortable air to your Kirkland home.

Local HVAC context: Kirkland

Utility & rebates

Puget Sound Energy territory: qualifying heat pump conversions earn PSE rebates — $1,500–$2,400 off electric heat, $3,000–$4,000 off gas, $1,500/$2,400 hybrid — plus the $75/$175 smart thermostat rebate. From April 2026 installs must be by a PSE-network professional.

Rebate finder Heat pump vs furnace decision How heat pumps work here

The housing stock here

Older Norkirk/Market bungalows, mid-century view homes off Juanita, and newer townhome infill — a genuine mix, which is why load calculations beat square-foot rules especially hard here.

Deep dives: Pre-war Craftsman/Tudor · Mid-century rambler · Townhome/condo

All Seattle home styles Learning Center Decision guides

Permits

Permits run through the City of Kirkland. Permits are part of every legitimate bid — Seattle-area mechanical permits commonly add $150–$450 to a replacement.

Glendale & Kirkland

Served on our Eastside runs; waterfront-adjacent homes get placement-first design.

Questions Kirkland 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