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Residential Heating Experts

Professional Furnace Services

Keep your home warm with expert furnace services from Harts. Our HVAC technicians help with furnace repair, furnace replacement, furnace installation, maintenance, and seasonal tune-ups for homeowners throughout the Puget Sound region.

Licensed & Insured Upfront Pricing Locally Owned Quality Work
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4.8 / 5 From 8.2k Reviews

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Seattle Times - Best In The PNW
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2025 Best of the Sound Sound Award
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Furnace Services We Provide

Whether your system needs a quick fix, a new installation, or seasonal service, our HVAC technicians can inspect your furnace, explain your options, and provide upfront pricing before approved work begins.

Furnace
Repair

Get help when your furnace stops heating, blows cold air, cycles too often, or struggles to keep up.

Furnace
Replacement

Replace an aging, unreliable, or inefficient furnace with a properly sized heating system for your home.

Furnace
Maintenance

Protect your heating system with routine maintenance that helps reduce wear, safety, and improve performance.

Furnace
Tune-Ups

Schedule a seasonal furnace tune-up to clean, check, and prepare your heating system before colder weather arrives.

Find The Right Furnace Service For Your Home

A furnace problem does not always mean you need a full replacement. Sometimes the right next step is a furnace repair, seasonal furnace maintenance, or a detailed system check to understand why your heating system is struggling.

Harts helps homeowners compare practical options based on the age of the furnace, system condition, repair history, heating performance, safety concerns, and overall reliability. Our HVAC technicians explain what they find and provide upfront pricing before approved work begins.

Indoor furnace and air handler system in a home
Harts HVAC technician servicing a high-efficiency furnace in a home garage

Keep Your Furnace Ready For Cold Weather

Your furnace works harder during the colder months, so routine service can help catch issues before they turn into bigger problems. A seasonal furnace tune-up can help improve performance, reduce wear, check important safety components, and prepare your system for regular use.

Whether your furnace needs maintenance, a tune-up, or replacement planning, Harts can help you understand the best next step for your home.

Signs You Need Furnace Service

Your furnace may need professional service when heating problems start affecting comfort, safety, efficiency, or reliability. Some issues may only need a repair or tune-up, while others may point to an aging system that should be evaluated for replacement.

Your furnace is not heating

If your home feels cold, rooms heat unevenly, or the furnace cannot keep up, the system may need repair, maintenance, or a full performance check from an HVAC technician.

Furnace makes unusual noises

Banging, rattling, grinding, humming, or squealing sounds can signal loose parts, motor issues, airflow problems, or worn components that should be inspected before they get worse.

Cold air comes from the vents

A furnace blowing cold or lukewarm air may have an ignition issue, airflow restriction, thermostat problem, dirty filter, or another heating system concern that should be checked.

Energy bills are getting higher

Rising heating costs can happen when a furnace is dirty, worn out, poorly maintained, or losing efficiency as it ages, especially during colder months when it runs more often.

The system turns on and off too often

Frequent cycling can point to airflow problems, thermostat issues, dirty components, overheating, or a furnace that is struggling to operate safely and consistently.

Your furnace is older or unreliable

If your furnace needs frequent repairs, breaks down in cold weather, or is nearing the end of its lifespan, it may be time to compare repair and replacement options.

Harts technician greeting a homeowner before a service appointment

Why Choose Harts

Choosing the right furnace company matters when your home depends on reliable heat. Harts helps homeowners with furnace repair, furnace replacement, furnace installation, furnace maintenance, and seasonal furnace tune-ups.

Our HVAC technicians inspect your system, explain what they find, and help you understand the best next step for your home. Whether your furnace needs a simple repair, routine service, or replacement planning, you get upfront pricing, clear communication, and skilled work from a local team.

*5% off eligible services, up to $200. Proof of eligibility required. Terms and exclusions may apply.

Need Furnace Help?

Harts can inspect your system, explain your options, and provide upfront pricing before approved work begins.

What To Expect During Furnace Service

Harts keeps the process clear from the first call to the finished work.

01

Schedule Service

Call or book online and tell us what is happening with your furnace, including heating issues, unusual noises, short cycling, age, or maintenance needs.

02

Inspect Heating System

A Harts HVAC technician checks your furnace, thermostat, airflow, components, and visible system conditions to understand what may be needed.

03

Review Our Findings

We explain what we find, answer your questions, and review whether your system needs a repair, replacement estimate, maintenance, or a tune-up.

04

Complete The Service

Your technician completes the approved work and explains any next steps, whether your furnace needs a repair, maintenance, or replacement planning.

05

Review The Work

We review the completed service, explain any recommendations, and help you understand how to keep your furnace running reliably.

Home Heating Help

Complete Furnace Service For Your Home

Your furnace plays a major role in keeping your home safe, warm, and efficient during colder weather. Harts helps homeowners understand whether the right next step is furnace repair, furnace replacement, furnace maintenance, or a seasonal furnace tune-up.

When Your Furnace Needs Attention

Some furnace issues start small, while others can quickly affect heating performance, safety, or reliability.

Furnace repair

If your furnace stops heating, blows cold air, short cycles, makes unusual noises, or struggles to keep up, Harts can inspect the system and explain the repair options.

Furnace replacement

If your furnace is older, inefficient, unreliable, or needs frequent repairs, replacement may be worth considering. Harts can help you compare repair versus replacement.

Furnace installation

A properly installed furnace should be sized for your home, connected correctly, and set up for reliable operation. Harts helps homeowners choose the right system.

How To Protect Your Furnace

Routine furnace service can help reduce surprise breakdowns, support safer operation, and keep your heating system running more efficiently.

Furnace maintenance

Maintenance helps check important furnace components, reduce wear, improve system performance, and catch developing issues before they become bigger problems.

Furnace tune-ups

A seasonal tune-up helps prepare your furnace for colder weather with system checks, cleaning, adjustments, and safety-focused inspection steps.

Heating system recommendations

After inspecting your furnace, Harts explains what we find in clear terms so you can make an informed decision about repairs, maintenance, or replacement planning.

Reviews

See what local customers have said about choosing Harts.

“Of course the first cold day and the furnace would not turn on. A friend recommended Harts… The technician showed up on time, was very nice, did not try the hard sell upsell, took an in-depth evaluation of the situation, knew what the problem was right away, and got the job done in a timely fashion.”

Kirk D.

Tacoma, WA

Heating System Repair

“I spoke with James via Zoom and he was very thorough with a novice introducing me to the various options for managing the repair/replacement of my 17-year-old furnace. He clearly laid out the options for me to consider. He was very patient and I felt no pressure to make any quick decisions.”

Dallas J.

Lynnwood, WA

Furnace Replacement

“Harts had a technician from heating and cooling come out the following day. Long story short, we ended up having them replace our very old furnace. They walked us through all of the options, replaced the old one efficiently, and each person we dealt with was incredibly nice.”

Joshua H.

Seattle, WA

Furnace Replacement

“I was very impressed and satisfied with Harts and would recommend them to my family and friends. They are not pushy and they pride themselves in making sure the problem is addressed. They are now my first choice when it comes to heating and furnace repair.”

Hien N.

Bellevue, WA

Heating & Furnace Repair

“I had a great experience with Virgil coming out to fix my furnace and thermostat. We’d been without heat for a couple days over the holiday and Harts came out and got the job done, as well as doing some needed maintenance on it. Explained everything thoroughly with photos and got me the repair I needed.”

Nona R.

Tacoma, WA

Furnace & Thermostat Repair

“Great experience. Honest and professional technician. Came the same day and addressed the issue I was having with my furnace. Couldn’t be happier.”

Dane B.

Federal Way, WA

Furnace Repair

“Thom Jackson kept us updated on his scheduled arrival this morning for the servicing of our furnace and air conditioning unit before arriving well within the schedule window. He was personable, professional, and knowledgeable in his completion of the preventive maintenance inspections.”

Rafael N.

Kirkland, WA

Heating & Cooling Maintenance

“Adam was very great at what he does, and I appreciate his thorough professional and technological knowledge. I’m happy to have met him and look forward to seeing him in the future for our heating/furnace services.”

Steve W.

Seattle, WA

Furnace Maintenance

“Terry was great! I called to have the heating and A/C units serviced, and he was personable, evaluated both systems, provided a comprehensive report of the identified issues, and helped establish a plan to ensure the systems’ longevity for years to come.”

Daniel K.

Bonney Lake, WA

Heating & AC Service

Harts service area map covering communities across Pierce, King, Thurston, Snohomish, and Kitsap counties.

Our Service Area

Harts provides furnace services for homeowners throughout the Puget Sound region, including furnace repair, furnace replacement, furnace installation, furnace maintenance, and seasonal furnace tune-ups.

Our HVAC technicians serve communities across Thurston, Pierce, King, Snohomish, and Kitsap counties. Whether your furnace is not heating, blowing cold air, making unusual noises, or due for routine service, Harts can help you understand the best next step for your home.

Primary service hubs:

The Harts markers show our primary service hubs, while the shaded map represents the broader communities we serve. From Olympia and Tacoma to Renton, Seattle, Lynnwood, and the Kitsap Peninsula, our local HVAC team is ready to help keep your home warm.

Save On Furnace Services

Offers & Discounts

Check out the current promos and coupons from Harts Plumbers, Electricians, & HVAC Technicians.

Furnace Services FAQs

Not sure what your furnace needs? These FAQs cover common questions about service, repairs, and maintenance.

Harts provides furnace repair, furnace replacement, furnace installation, furnace maintenance, and seasonal furnace tune-ups for homeowners throughout the Puget Sound region.

Your furnace may need service if it is not heating well, blowing cold air, making unusual noises, short cycling, causing higher energy bills, or struggling to keep your home warm.

The best option depends on the furnace age, repair history, system condition, efficiency, safety concerns, and cost of the repair. Harts can inspect your furnace and explain your options clearly.

Most homeowners should schedule furnace maintenance once a year, ideally before colder weather. Regular maintenance can help improve reliability, safety, efficiency, and system performance.

A furnace tune-up may include system checks, cleaning, airflow review, thermostat testing, safety checks, and inspection of key components. Your technician can explain what was checked and any recommendations.

A furnace blowing cold air may have an ignition issue, thermostat problem, dirty filter, airflow restriction, gas supply concern, or another system problem that should be inspected by an HVAC technician.

Many furnaces last around 15 to 20 years, depending on the system, installation quality, maintenance history, usage, and repair needs. If your furnace is older or unreliable, replacement may be worth discussing.

Furnace service cost depends on the type of service, system condition, parts needed, repair complexity, and whether the visit involves repair, maintenance, replacement, or installation. Harts provides upfront pricing before approved work begins.

Contact Us Now

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Ongoing Maintenance

Join The Harts Home Care Plan

Harts Home Care Plan Member

Stay ahead of unexpected home service problems with the Harts Home Care Plan. Members receive priority service, no trip fees, dedicated support, and 10% off eligible service work, making it easier to care for the systems that keep your home safe and comfortable.

Membership includes ongoing preventive service, with biannual HVAC tune-ups, an annual plumbing and sewer safety check, and an annual electrical safety inspection. These visits can help identify wear, safety concerns, and developing problems before they lead to larger repairs or unexpected disruptions.

The plan supports your home’s plumbing, sewer and drain, electrical, heating, and cooling systems, giving you one convenient way to maintain essential equipment, receive member benefits, and get help when you need it.

HVAC Services Across The Puget Sound

Our HVAC technicians provide heating and cooling services for homeowners throughout the Puget Sound region. Whether you need help with a furnace, heat pump, air conditioner, thermostat, or seasonal maintenance, Harts can help you schedule trusted HVAC technician near you.

Need Help With Another Service?

Call Harts now or book online, and our team will help get you to the right service.

Need Water Heater Service?

Call Harts now or book online for water heater repair, replacement, or installation.

Need Cooling Service?

Call Harts now or book online for AC repair, replacement, or cooling system service.

Need Heating Service?

Call Harts now or book online for furnace, heat pump, or heating system help.

Need Sewer Service?

Call Harts now or book online for sewer inspections, repairs, or replacement options.

Need Drain Cleaning?

Call Harts now or book online for drain cleaning, clog removal, or drain service.

Need Electrical Service?

Call Harts now or book online to schedule help from a Harts electrician.

Need Plumbing Service?

Call Harts now or book online to schedule fast, reliable plumbing service.