Skip to main content

Free Second Opinion

Call (206) 243-7700
CallBook Now
Air Conditioning

AC Installation & Replacement in Redmond, WA

Need AC installation or replacement in Redmond, WA? Get expert service for efficient cooling and comfort. Schedule your free estimate today!

Solving AC Installation & Replacement Needs in Your Redmond Home

Is your Redmond home struggling to stay cool during increasingly warm summers, leaving rooms stuffy and uncomfortable, especially on upper floors? Have you noticed your energy bills climbing higher each summer without a corresponding increase in comfort from your aging AC unit? Ignoring these critical signs means more than just temporary discomfort; it can lead to wasted energy, increased repair costs, and a home that's impossible to relax in. Glendale Heating And Air Conditioning is ready to provide expert solutions, ensuring your home stays cool, efficient, and comfortable for years to come.

Your Redmond Home's AC May Need Replacement If You Notice These Signs

When an air conditioner starts to fail, it gives clear warnings. Paying attention to these signs can help you plan for a replacement before you're left with a complete breakdown during a summer heatwave. Here’s what to look out for.

Skyrocketing Energy Bills

You're seeing unusually high electricity bills during the warmer months, even if your cooling habits haven't changed much. The AC seems to be running constantly but doesn't quite get the house to your desired temperature. This means your air conditioner is losing efficiency, working harder and consuming more power to achieve less cooling.

Continuing to run an inefficient system is essentially throwing money away each month. The problem will only worsen, leading to even higher bills and eventual complete system failure.

Frequent Repairs and Breakdowns

You've had to call for AC repairs multiple times in the last few years, dealing with issues like refrigerant leaks, compressor failures, or electrical problems. It feels like you're constantly troubleshooting a new issue with the same old unit. Your AC system is nearing the end of its operational lifespan, and constant repairs are often just a temporary fix for a fundamentally failing unit.

The cost of frequent repairs can quickly add up, often exceeding the cost-effectiveness of investing in a new, reliable system. You also risk a complete breakdown during the hottest days, leaving you without cooling when you need it most.

Uneven Cooling or Hot Spots

Some rooms in your Redmond home are noticeably warmer than others, or the upstairs feels significantly hotter than the downstairs, even when the AC is running. You might find yourself constantly adjusting the thermostat without achieving consistent comfort throughout the house. This often indicates an undersized AC unit, poor ductwork design, or an old system struggling to distribute conditioned air evenly.

Inconsistent temperatures lead to discomfort and can cause your system to overwork, further reducing its lifespan and efficiency. It also suggests that your current setup isn't providing the comprehensive comfort a new, properly sized system could offer.

System Is Over 10-15 Years Old

You know your air conditioner has been in your home for well over a decade, perhaps even since the house was built in the 70s, 80s, or 90s. Most AC units are designed to last 10-15 years, and beyond this age, they become significantly less efficient and more prone to breakdowns. They also often use outdated refrigerants like R-22, which is now phased out and expensive to replace.

An old system will consume more energy, cost more to repair, and is likely to fail completely without warning. Replacing it proactively can save money and stress in the long run.

Strange Noises or Odors from the AC

You hear grinding, squealing, banging, or persistent rattling noises coming from your outdoor unit or indoor air handler. Mechanical noises often point to serious issues with the motor, fan, or compressor. Foul odors can indicate mold growth in the ductwork or evaporator coil, or even electrical problems.

These are often precursors to major system failure. Ignoring them can lead to further damage, potential safety hazards, and a significant decrease in your home's indoor air quality.

Why Your AC System Might Need Replacement in Redmond

Understanding why your air conditioner is failing can help you make an informed decision about its replacement. Several common issues, many specific to our area's housing and climate, lead to the need for a new system.

Aging Equipment and Wear and Tear

Over time, the internal components of an air conditioner, such as the compressor, coils, and fans, simply wear out. Many Redmond homes, particularly those built in the 70s through the 90s, might still have their original AC units. These older systems are simply reaching the end of their functional lifespan, often struggling with efficiency as they face increasingly warmer summers.

The solution is a complete replacement with a modern, energy-efficient unit designed for today's climate challenges.

Inefficient or Undersized Systems

Your existing AC unit might have been improperly sized for your home, or your cooling needs have changed over time. As Redmond has grown and summers have become warmer, homes originally built with minimal cooling solutions are now finding their existing systems inadequate for modern heatwaves. An undersized unit constantly runs but can't reach the desired temperature, wasting energy and causing excessive wear.

The solution involves a professional load calculation to determine the correct size for a new AC system. This ensures optimal cooling capacity and efficiency for your specific home.

Outdated Refrigerant (R-22)

Older AC systems often use R-22 refrigerant, which has been phased out due to environmental concerns. If your R-22 system develops a leak, recharging it is extremely expensive and difficult as supplies dwindle. With a mix of older and newer homes, many Redmond residents still operate AC units reliant on R-22, making replacement a more economical choice than repair.

Installing a new AC system that uses modern, environmentally friendly refrigerants like R-410A is the only long-term solution.

Poor System Performance or Lack of Smart Features

Even if your AC isn't completely broken, you might be unsatisfied with its performance, noise level, or lack of modern features. Redmond's tech-savvy population often seeks smart home integration and high-efficiency solutions that older units simply can't provide. This often prompts replacements for an upgrade in performance and features rather than just a failure.

Upgrading to a new, high-efficiency AC system with advanced features enhances comfort, control, and energy savings.

What to Expect During Your AC Installation & Replacement Service

When you call us for an AC installation, we follow a straightforward, professional process to ensure you get the right system for your home. Our first step is a thorough assessment of your home's layout, insulation, windows, and existing ductwork. We’ll discuss your comfort needs and energy efficiency goals to understand exactly what you’re looking for.

Based on that assessment, we perform a precise load calculation to determine the ideal AC system size for your Redmond home. We’ll present you with suitable options from trusted brands like Lennox, explaining the features and benefits without any sales pressure. Before any work begins, you'll receive a detailed, upfront quote so you know exactly what to expect.

Our licensed and insured technicians will carefully remove your old equipment and meticulously install your new unit. Because Glendale Heating And Air Conditioning has its own on-premises sheet-metal shop, we can custom fabricate fittings for a perfect, airtight fit, which is critical for system performance. Once installed, we test everything to ensure it’s operating at peak efficiency and walk you through how to use your new system.

Enhance Your New System with These Services

To get the most out of your new air conditioner, we recommend a couple of related services. Regular AC Maintenance & Tune-Up is crucial for extending the lifespan and maintaining the efficiency of your new unit. We also suggest a Smart Thermostat Installation & Replacement to enhance your system's efficiency and give you precise control over your home's climate.

The Real Cost of Delaying Your AC Replacement

Putting off a necessary AC replacement can lead to several significant drawbacks. An old, failing unit will consume far more electricity to provide inadequate cooling, leading directly to higher utility bills month after month. You'll also continue to suffer through uncomfortable indoor temperatures, hot spots, and potentially poor air quality from a system that can't manage humidity or filter air effectively.

The cost of continually repairing an aging system can quickly become more expensive than investing in a new, reliable one. Worse, you run the risk of the system failing completely during a peak heatwave, leaving you without any cooling when you need it most.

Your Partner for Reliable Cooling in Redmond

Don't let an inefficient or failing air conditioner compromise your comfort and budget. For reliable AC installation and replacement, Glendale Heating And Air Conditioning brings generations of expertise and a commitment to quality right to your Redmond home. Contact us today to discuss your cooling needs and discover the difference a new, high-efficiency system can make.

Local HVAC context: Redmond

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

Education Hill two-stories, 90s–2000s planned neighborhoods, and fast-growing townhome stock near downtown — ducted heat pump swaps and smart-thermostat setups (PSE rebate: $75/$175) are everyday work.

Deep dives: Suburban two-story · Townhome/condo

All Seattle home styles Learning Center Decision guides

Permits

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

Glendale & Redmond

Eastside route territory — commonly paired with Kirkland and Bellevue appointments.

Questions Redmond 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 .

Request Service

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