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Air Conditioning

AC Installation & Replacement in Kent, WA

Upgrade to efficient AC installation & replacement in Kent, WA. Enjoy reliable cooling and lower bills. Get a free estimate today!

Is Your Kent Home Struggling to Stay Cool?

Is your Kent home feeling hot and stuffy, even with the air conditioning running? Are you dreading another summer of soaring energy bills because your AC just can't keep up with the heat and humidity? Perhaps your current system is constantly breaking down, leaving you wondering if it's time for a complete change. When your air conditioning isn't performing as it should, it's more than just an inconvenience; it can compromise your comfort, impact your sleep, and even affect your indoor air quality during Kent's increasingly warm summers. At Glendale Heating And Air Conditioning, we understand these challenges, and our expert team is ready to provide reliable AC installation and replacement services to keep your home comfortable.

Clear Signs It’s Time for New AC Installation in Kent

If you're noticing changes in how your system performs, it's usually a sign that something bigger is at play. Paying attention to these symptoms can help you decide when it's time to consider a replacement rather than another repair.

Persistent Indoor Humidity & Stuffy Air

Even when your AC is running, the air inside your home might feel heavy, damp, or muggy. You may notice a general stickiness that makes it hard to feel truly cool and refreshed.

Your air conditioner is designed to remove humidity as it cools. If it’s failing to do so, the unit could be undersized, very old, or have a mechanical issue preventing proper dehumidification. Ignoring this not only affects comfort but can also promote mold growth and damage wood furnishings.

AC Running Constantly Without Cooling Effectively

Your air conditioner seems to be running non-stop or for very long periods but never quite reaches the temperature you've set. Despite its continuous operation, your Kent home still feels too warm, with certain rooms never getting comfortable.

This is a classic sign of an inefficient or failing AC unit. It's working overtime but lacks the capacity to do the job properly, especially in older homes not originally built for sustained central cooling. This constant operation puts immense strain on components, leading to premature wear, expensive breakdowns, and high energy bills.

Significant Increase in Summer Energy Bills

You’ve noticed a sharp and unexplained spike in your electricity bills during the warmer months. The increase is far beyond what you’d expect, even with more frequent AC use.

An old or inefficient AC unit has to work much harder and consume more energy to achieve the same level of cooling as a modern model. Continuing to operate an inefficient system means you're paying for cooling you aren't receiving, and the savings from a new installation can quickly offset the initial investment.

Frequent Breakdowns or Strange Noises

Your AC unit is making unusual grinding, clanking, hissing, or buzzing noises. You find yourself calling for service more and more often just to keep it running through the summer.

These are often indicators of serious mechanical problems, such as a worn-out motor, a failing compressor, or refrigerant leaks. Frequent breakdowns suggest the system is nearing the end of its operational life, and repeated repair costs can quickly add up.

Your AC System is Over 10-15 Years Old

You know your air conditioner has been around for a while, perhaps since your home was built or purchased. Most central AC systems are designed to last between 10 to 15 years with proper maintenance.

Beyond this age, efficiency declines significantly, and components wear out more frequently. Even if it's still running, an old AC is likely costing you much more in energy and potential repairs than a new, high-efficiency replacement would.

What's Actually Causing Your AC Problems in Kent?

Understanding the root cause of your cooling issues is the first step toward finding the right solution. Several common factors can lead to the decision to replace your system.

Aging Equipment and Wear & Tear

Over time, critical components like compressors, coils, and fans naturally degrade from years of use. Moving parts wear out, seals can fail, and the system's overall efficiency drops significantly.

This is a common issue in many established Kent neighborhoods where original AC systems are now well past their prime. Even units installed 10-15 years ago are reaching the end of their effective lifespan, especially with the increased strain from hotter summers. The only real solution is a replacement with a new, energy-efficient system that meets modern standards.

Improper System Sizing for Your Home

An AC unit that is too small or too large for your home's square footage, insulation, and window layout will never operate correctly. An undersized unit runs constantly and struggles to cool, while an oversized one short-cycles, causing poor dehumidification and uneven temperatures.

With Kent's mix of older homes getting AC for the first time and newer homes with builder-grade units, improper sizing is a frequent problem. Our solution involves a professional load calculation to determine the exact cooling capacity your home needs, followed by the installation of a perfectly sized unit.

Outdated Refrigerants and Inefficient Technology

Older AC systems often use refrigerants like R-22, which are being phased out due to environmental concerns and are now very expensive. These older units also lack the advanced compressor technology and smart controls found in modern, high-efficiency models.

As Kent homeowners look for ways to improve energy efficiency, upgrading from an outdated system is a smart move. The solution is to replace the old unit with a new, environmentally friendly system that uses current refrigerants and incorporates modern features like variable-speed compressors.

Poorly Designed or Leaky Ductwork

Your ductwork can develop leaks, become detached, or simply be improperly sized for effective cooling. This allows the cold air your AC produces to escape into attics or crawl spaces before ever reaching your living areas.

In many older Kent homes where central air was added later, the ductwork may not have been optimally designed for cooling. Our solution involves a thorough inspection and sealing of existing ducts. In some cases, we use our on-premises sheet-metal shop to custom-fabricate new, correctly sized ductwork for optimal airflow.

What to Expect During Your AC Installation

When you choose Glendale Heating And Air Conditioning for your AC installation or replacement in Kent, you can expect a seamless and professional experience. Our process begins with a thorough in-home consultation, where our experienced technicians assess your current system, evaluate your cooling requirements, and discuss your comfort goals. We’ll perform a precise load calculation to ensure your new system is perfectly sized for your home, preventing issues like uneven cooling or excessive energy use.

As a Lennox Premier Dealer, we offer a wide range of high-efficiency Lennox systems and will provide honest, upfront pricing for your chosen solution, ensuring you know the cost before any work begins. Our skilled installers will then carefully remove your old unit and expertly install your new air conditioning system. With our on-premises sheet-metal shop, we can custom-fabricate any necessary ductwork or fittings, ensuring a perfect fit and optimal system performance. We take pride in our clean and efficient work, and once the installation is complete, we'll thoroughly test the system, explain its operation, and ensure you're completely satisfied with your new, comfortable home environment.

Related Services to Consider

When installing or replacing your AC, consider these related services to maximize your home comfort and efficiency:

  • AC Maintenance & Tune-Up: Regular maintenance is crucial to protect your new investment. Scheduling an annual AC Maintenance & Tune-Up ensures your new system operates at peak efficiency and extends its lifespan.
  • Ductless Installation & Replacement: For homes without existing ductwork, or for targeted cooling in specific areas, Ductless Installation & Replacement offers an efficient and flexible alternative to traditional central air.
  • Indoor Air Quality Services: Complement your new AC with Indoor Air Quality Services. Modern systems can integrate with air purifiers and humidity control to address concerns like allergens, pollutants, and wildfire smoke.
  • Smart Thermostat Installation & Replacement: Upgrade your control with a Smart Thermostat Installation & Replacement to optimize energy usage and manage your home's comfort remotely.

Why This Matters: The Cost of Waiting

Delaying a necessary AC replacement can lead to several significant consequences for your Kent home and family. An old or failing AC system operates inefficiently, consuming far more electricity and leading to skyrocketing energy bills every month.

More importantly, enduring a hot, humid home can lead to poor sleep and discomfort, and can even exacerbate health conditions like asthma or allergies. An aging AC is also at a high risk of complete system failure, often breaking down during the hottest days of summer and leaving you scrambling for an emergency solution. Continuing to run a faulty system can also cause further damage, increasing the final cost of replacement.

Your Trusted Local HVAC Partner

Don't let an inefficient or failing air conditioner compromise your comfort and budget any longer. For over 87 years, Glendale Heating And Air Conditioning has been the trusted, family-owned HVAC expert for the Greater Seattle area, including Kent. We’re here to provide the reliable, high-efficiency AC installation or replacement your home deserves. Contact us today to schedule your consultation and experience the Glendale difference.

Local HVAC context: Kent

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

East Hill and valley neighborhoods span 1960s ramblers to 2000s two-stories, with manufactured-home communities that qualify for PSE's higher $4,000 conversion tier — worth knowing before any bid.

Deep dives: Suburban two-story · Mid-century rambler

All Seattle home styles Learning Center Decision guides

Permits

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

Glendale & Kent

Kent's valley and East Hill have been regular Glendale territory for decades.

Questions Kent 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