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Heating & Cooling Help

HVAC Repair Services

Get help when your heating or cooling system stops keeping your home comfortable. Harts provides residential HVAC repair for AC systems, furnaces, heat pumps, and ductless mini-splits, with clear diagnostics, upfront pricing, and professional service from start to finish.

Licensed & Insured Upfront Pricing Locally Owned Quality Work
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Professional HVAC Repair Options

HVAC problems can affect cooling, heating, airflow, comfort, energy use, and system reliability. Harts helps diagnose the issue and connect you with the right repair service for your home’s equipment.

AC Repair

Restore cool air, airflow, and dependable operation when your air conditioner stops working properly.

Furnace Repair

Get help with no heat, ignition problems, airflow issues, strange noises, and heating failures.

Heat Pump Repair

Fix heating, cooling, defrost, refrigerant, airflow, and performance issues with your heat pump.

Ductless Repair

Repair ductless mini-split issues affecting zones, airflow, temperature control, or system operation.

Common Cooling Problems We Solve

When your air conditioner or heat pump struggles to keep up, the problem may involve more than a single component. Refrigerant leaks, frozen evaporator coils, clogged condensate drains, damaged capacitors, faulty motors, thermostat problems, and restricted airflow can all reduce cooling performance. You may notice warm air, weak airflow, uneven temperatures, unusual noises, short cycling, or an unexpected increase in energy use.

Harts technicians inspect the cooling system to identify the source of the problem before recommending repairs. We evaluate the indoor and outdoor equipment, electrical connections, refrigerant performance, airflow, and thermostat operation. Once the issue is diagnosed, we explain the available repair options and complete the approved work needed to restore reliable cooling throughout your home.

Harts HVAC technician inspecting an outdoor cooling system
Indoor furnace and air handler system in a home

Common Heating Problems We Solve

Heating problems can affect your comfort, energy use, and the safe operation of your HVAC system. Furnace and heat pump issues may involve failed ignition components, damaged heating elements, dirty burners, faulty limit switches, blower motor problems, airflow restrictions, thermostat malfunctions, or electrical control failures. Warning signs may include cool air from the vents, uneven heating, frequent cycling, unusual odors, loud operation, or a system that will not start.

Harts technicians inspect the heating equipment and supporting components to determine what is causing the failure. We test system controls, electrical connections, airflow, safety devices, and temperature performance before recommending a repair. Our team will clearly explain the problem, review your options, and complete the approved work needed to restore dependable heat to your home.

Signs Your HVAC System Needs Service

Heating and cooling problems often start with small changes in comfort, airflow, or system performance. Scheduling service early can help reduce system strain, prevent additional damage, and restore comfort before the issue gets worse.

Your system runs but does not heat or cool well

Your system starts and stops frequently

Airflow feels weak from multiple vents

Your system makes unusual noises

Rooms feel uneven, too hot, or too cold

You notice unusual odors when the system runs

Harts technician greeting a homeowner before a service appointment

Why Trust Harts With Your HVAC Repair?

When your heating or cooling system is not working correctly, you need clear answers before making a decision. Harts provides residential HVAC service for air conditioners, furnaces, heat pumps, ductless mini-splits, thermostats, airflow issues, and other comfort system problems.

Our technicians inspect the system, identify what is affecting performance, and explain whether a repair can restore comfort or if another option may make more sense. You receive practical recommendations, upfront pricing, and professional service from a local team that cares for your home.

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

Need Heating Or Cooling Help?

Get clear answers, upfront pricing, and dependable service from a Harts HVAC technician.

What To Expect During Your Service Visit

We keep your HVAC service visit clear, straightforward, and focused on restoring comfort in your home.

01

Schedule Service

Call or book online and tell us what is happening with your heating or cooling system.

02

In-Home Inspection

A Harts technician inspects the equipment, thermostat, airflow, and visible system components.

03

Review Options

We explain the findings, discuss repair options, and provide upfront pricing before work begins.

04

Complete Service

Your technician completes the approved work with care for your home and equipment.

05

Test and Review

We test system operation, review the completed service, and answer your remaining questions.

HVAC Diagnostics

Heating And Cooling System Troubleshooting

When your home is not heating or cooling properly, the cause may come from several parts of the HVAC system. Airflow problems, thermostat issues, electrical failures, refrigerant concerns, ductwork problems, and equipment wear can all affect system performance.

Cooling And Heat Pump Issues

Cooling problems may involve the outdoor unit, indoor coil, refrigerant circuit, blower system, thermostat, airflow, or electrical components.

AC System Problems

Air conditioner issues can cause warm air, weak airflow, frozen coils, short cycling, high humidity, or poor cooling throughout the home. Harts can inspect the system, identify the likely cause, and explain the best repair options.

Heat Pump Cooling Problems

Heat pumps provide cooling during warm weather and heating during colder weather. Cooling issues may involve refrigerant concerns, reversing valve problems, thermostat settings, airflow restrictions, outdoor unit performance, or electrical components.

Ductless Cooling Issues

Ductless mini-splits can develop problems with indoor heads, outdoor units, remote controls, sensors, drainage, airflow, or zone performance. Harts can help determine whether the issue is isolated to one zone or affecting the full system.

Heating, Airflow, And Controls

Heating problems may come from the furnace, heat pump, air handler, thermostat, ductwork, or safety controls.

Furnace Problems

Furnace issues may involve ignition failures, burners, flame sensors, blower motors, limit switches, pressure switches, electrical components, or airflow restrictions. A professional diagnosis helps determine what is preventing reliable heat.

Heat Pump Heating Problems

Heat pump heating issues may involve defrost cycles, outdoor unit performance, refrigerant concerns, reversing valves, sensors, electrical controls, or backup heat. Harts can inspect the system and explain what is affecting heat output.

Thermostat And Airflow Issues

Thermostat problems, dirty filters, blocked vents, blower issues, duct leaks, or restricted airflow can all affect comfort. These issues may make the system run too often, shut off too soon, or fail to heat and cool the home evenly.

Reviews

See what local homeowners have shared about their experience with Harts plumbers and our tankless water heater service.

“We had issues with our HVAC system, and Joe did a fantastic job finding and fixing the problem. We are very happy with his work.”

John S.

Puyallup, WA

HVAC Repair

“Thom came out to look at our ductless HVAC system, which had not been heating or cooling properly. He performed a thorough inspection, answered our questions, and helped us feel confident about the repair vs. replace decision.”

Kristyn J.

Tacoma, WA

Ductless HVAC System Diagnosis

“We had been without heat for a couple of days over the holiday, and Virgil came out to fix our furnace and thermostat. He explained everything thoroughly with photos and completed the repair we needed to keep our home warm.”

Nona R.

Tacoma, WA

Furnace and Thermostat Repair

“Terry did a fabulous job getting our AC repaired quickly on a very hot day. We will definitely use Harts again.”

Mark G.

Gig Harbor, WA

AC Repair

“Harts came out and inspected my heating system, explained everything that was going on, and gave me several options to repair or replace it. The technician was compassionate, knowledgeable, sincere, and honest.”

Sarah D.

Roy, WA

Heating System Repair

“My heat pump stopped working after a power surge from an outage. The Harts team was professional, knowledgeable, and quick, and it was convenient having multiple specialties available. I will definitely use them for maintenance and repairs in the future.”

Lorraine F.

Graham, WA

Heat Pump Troubleshooting

“Harts showed up on time, got right to work, quickly diagnosed the problem with our unit, and suggested remedies to fix the issue. They even went above and beyond to figure out why one of our vents was not working.”

Nathan D.

Gig Harbor, WA

HVAC Repair

“The technician came back several times to troubleshoot why the HVAC system was not working. After working through the issue with his supervisor, he replaced the blower motor, and everything is now working.”

Randy B.

Rochester, WA

Blower Motor Replacement

“Harts completed an HVAC inspection and found an issue with the AC unit. They fixed it at a reasonable cost, and the technician was knowledgeable and completed the inspection and repairs.”

Joe A.

Lacey, WA

Hot Water System Repair

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

HVAC Help Near You

Harts provides residential HVAC service throughout the Puget Sound region, serving homeowners across Pierce, King, Thurston, Snohomish, and Kitsap counties. Our technicians help with AC systems, furnaces, heat pumps, ductless mini-splits, thermostats, airflow issues, and other heating and cooling problems.

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, heating and cooling help is nearby.

Save On HVAC Repair

Offers & Discounts

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

HVAC Repair FAQs

Find answers to common questions about heating and cooling problems and troubleshooting HVAC systems.

HVAC repair includes diagnosing and fixing problems with heating, cooling, airflow, thermostats, and comfort system components. This may involve AC systems, furnaces, heat pumps, ductless mini-splits, blower motors, electrical controls, refrigerant-related issues, or other parts that affect home comfort.

An HVAC system may run without heating or cooling properly because of airflow restrictions, thermostat issues, refrigerant problems, ignition failures, dirty components, electrical faults, or failing parts. A technician can inspect the system, identify the cause, and explain the available repair options.

Repair may make sense when the issue is isolated and the system is otherwise in good condition. Replacement may be worth considering if the equipment is aging, unreliable, inefficient, or needs frequent repairs. Harts can evaluate the system and explain practical options.

Yes. Harts provides residential HVAC repair for AC systems, furnaces, heat pumps, and ductless mini-splits. Our technicians diagnose the issue, explain the findings, provide upfront pricing, and complete approved repairs based on the system type and condition.

HVAC repair cost depends on the problem, system type, required parts, labor, accessibility, and whether multiple issues are involved. A minor component repair may cost less than a major system failure. Harts diagnoses the issue first and provides upfront pricing before approved work begins.

Many HVAC repairs can be completed during a single service visit, but timing depends on the issue, system type, accessibility, and part availability. Your technician will inspect the equipment, explain what needs to be done, and review the expected repair process before work begins.

Yes. A thermostat problem can make it seem like the heating or cooling system has failed. Incorrect settings, wiring issues, sensor problems, dead batteries, or communication failures can affect system operation. A technician can check the thermostat along with the equipment during diagnosis.

Before calling, check the thermostat settings, inspect the air filter, confirm the breaker is on, and make sure vents are open and unobstructed. If the system still does not work properly, schedule professional service to avoid causing additional damage or safety concerns.

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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 to homeowners throughout the Puget Sound region.
Whether your home needs AC, furnace, heat pump, or ductless service, Harts can help you find an 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.