Skip to main content

Free Second Opinion

Call (206) 243-7700
CallBook Now
Heating

Heating Installation & Replacement in Kent, WA

Need expert heating installation or replacement in Kent, WA? We provide efficient, reliable new heating systems. Get a free estimate today!

Is Your Kent Home Struggling to Stay Warm?

Is your furnace constantly running but still leaving your Kent home feeling chilly and damp? Are you facing another expensive repair bill, or has your old heating system simply given up entirely, especially during one of our long, cool evenings? When your heating system can't keep up, it's more than just an inconvenience; it can lead to uncomfortable living spaces, escalating energy bills, and even potential safety concerns if an old unit is struggling. At Glendale Heating And Air Conditioning, we've been helping Kent homeowners find reliable heating solutions for over 87 years, and we're ready to provide straightforward options for a new, efficient heating installation or replacement.

Clear Signs You Need New Heating Installation or Replacement in Kent

When an old heating system is on its way out, it usually gives you plenty of warning. Paying attention to these signals can help you avoid a complete system failure when you need it most. Here are the most common signs we see in Kent homes that indicate it's time for a replacement.

Skyrocketing Energy Bills

You might notice your monthly utility statements are steadily climbing, even though your heating habits haven't changed. This is a classic sign that your system is losing its efficiency. An aging heater has to work much harder and run longer to produce the same amount of warmth, consuming more fuel in the process. Ignoring this means you're just paying more for less comfort, and the problem will only get worse.

Frequent and Costly Repairs

If it feels like you're on a first-name basis with the repair technician, it's time to re-evaluate. Calling for service every year, or even multiple times a season, means your system has reached the point of diminishing returns. The damp Kent climate can accelerate corrosion and wear on older parts, and the cost of constantly replacing failing components can quickly add up to a significant portion of a new system's price.

Uneven Heating or Cold Spots

Are some rooms in your house perfectly warm while others feel drafty and cold, no matter how high you turn up the thermostat? This is a common issue in older Kent homes, often pointing to a furnace that can no longer effectively push warm air through the entire ductwork system. It could also mean the original system was never correctly sized for your home's layout and insulation in the first place.

Strange Noises or Odors

Your heating system should operate relatively quietly in the background. If you start hearing loud banging, rattling, screeching, or whistling sounds, it's a clear indicator of a mechanical problem, like a failing motor or a loose part. Similarly, persistent musty or burning smells can signal serious issues, from mold in the system to dangerous electrical problems that require immediate attention.

Your System is Simply Old

Even a well-maintained furnace has a finite lifespan, typically around 15 to 20 years. If your system is approaching or has passed this age, it's operating on borrowed time. Technology has advanced significantly, and a system from two decades ago is nowhere near as efficient or reliable as a modern unit, costing you more in the long run.

What's Actually Going On With Your Kent Heating System?

Understanding the root cause of your heating problems is the first step toward a lasting solution. These are the most common issues we diagnose that lead to a full system replacement.

Aging Equipment and Component Wear

After thousands of hours of operation, the internal components of your furnace—the blower motor, igniter, and heat exchanger—simply wear out. The prolonged heating season in Kent means systems here often accumulate more run time than in other climates, accelerating this natural wear and tear. While you can replace individual parts, it often becomes a losing battle as other old components begin to fail.

A full system replacement is the most reliable solution, ensuring every part is new, works together perfectly, and is covered by a manufacturer's warranty.

Inefficient or Undersized Systems

Many older Kent homes were built when energy was cheaper and insulation standards were lower. The furnace installed back then may be completely wrong for your home's needs today, especially if you've added on a room or upgraded windows. An undersized system will run constantly without ever reaching the set temperature, while an oversized one will cycle on and off too frequently, causing unnecessary wear.

Our process always starts with a proper load calculation to ensure your new system is perfectly matched to your home's specific requirements for maximum efficiency and comfort.

Lack of Consistent Maintenance

Just like a car, a heating system needs regular tune-ups to run properly. Skipping annual maintenance allows dust and grime to build up on critical components, clogging filters and putting a strain on the entire system. Over time, this neglect leads to reduced efficiency, more frequent breakdowns, and ultimately, a much shorter lifespan.

If a lack of maintenance has led to significant damage, replacing the unit is often more sensible than attempting a series of expensive repairs. A new system gives you a fresh start with a proper maintenance schedule.

Outdated Fuel Sources or Technology

Some homes in our area may still rely on older oil furnaces or first-generation natural gas units that are incredibly inefficient by today's standards. These systems lack the safety features, energy-saving technology, and quiet operation of modern equipment. Upgrading isn't just about reliability; it's about improving your home's safety, comfort, and energy consumption.

This is a perfect opportunity to switch to a high-efficiency natural gas furnace or explore a modern heat pump system, which can provide both heating and cooling in one efficient package.

What to Expect During Your Heating Installation

When you contact Glendale Heating And Air Conditioning for a heating installation in Kent, we make the process clear and straightforward. Our licensed and insured technician will arrive to perform a thorough evaluation of your current system, your home's layout, and your specific comfort needs. We listen to your concerns, answer every question, and provide honest, upfront pricing on several replacement options.

As a Lennox Premier Dealer, we offer some of the most reliable and efficient equipment on the market. Once you’ve chosen the right system for your home, our expert installation team gets to work. Thanks to our on-premises sheet-metal shop, we can fabricate custom ductwork and fittings for a perfect, airtight fit, something most other companies can't do. We treat your home with respect, handle the removal of the old unit, and ensure your new system is installed for optimal performance before we leave.

Related Services to Consider

A new heating installation is the perfect time to enhance your entire home comfort system. Many Kent homeowners choose to add a Smart Thermostat Installation & Replacement, which gives you precise control over your heating schedules and can significantly lower your energy bills. If you're not quite ready for a full replacement but are dealing with an immediate issue, our Heating Repair & Service can get your current system running safely while you plan for a future upgrade.

Why This Matters: The Cost of Waiting on a Replacement

Putting off a necessary heating replacement almost always costs more in the long run. You'll continue to pay excessively high energy bills as the old, inefficient unit struggles to keep up with Kent's long, damp heating season. You'll also face the high cost and inconvenience of emergency repairs when another component inevitably fails.

Most importantly, continuing to run a faulty or aging furnace can pose serious safety risks, including the potential for carbon monoxide leaks from a cracked heat exchanger. A new, professionally installed heating system provides not only reliable comfort and lower energy costs but also the peace of mind that comes with knowing your family is safe.

Ready for a Reliable Heating System?

If you're tired of dealing with an unreliable, inefficient, or broken-down heater, don't wait for the problem to get worse. As a family-owned business serving the Greater Seattle area since 1938, we are committed to providing honest and expert heating solutions. Contact Glendale Heating And Air Conditioning today for a consultation and see how a new heating installation can transform your home comfort in Kent.

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 .

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