Open 24/7

Heating Service in Seattle, WA

Seattle heating service experts diagnose, repair, and maintain gas, electric, and heat pump systems in Seattle, WA. Schedule service today

Explore comprehensive heating services for Seattle homes, addressing common issues, serviceable systems, diagnostics, repairs, emergency needs, maintenance, and long-term planning. The guide highlights challenges such as uneven heating, short cycling, heat pump performance, moisture concerns, and thermostat faults, explaining how skilled technicians evaluate fuel, electrical, mechanical, and ductwork factors. Readers will learn about typical repair options, when replacement is the better choice, and how maintenance plans help reduce outages. Local expertise emphasizes climate-specific considerations, safety, efficiency, and delivering durable, long-term comfort for Seattle residences.

Heating Service in Seattle, WA

Heating Service in Seattle, WA

Keeping your home warm and dry through Seattles cool, wet months means more than just turning up the thermostat. A comprehensive heating service in Seattle, WA addresses comfort, safety, and efficiency for the specific challenges of the region: damp winters, mild temperatures that favor heat pump systems, and older homes with unique ductwork or insulation needs. This page explains common heating issues in Seattle homes, the types of systems serviced (including ductless and Mitsubishi systems), typical diagnostic and repair processes, emergency response, maintenance plans, and guidance on repair versus replacement decisions.

Common heating issues in Seattle homes

Seattle homeowners commonly report these heating problems:

  • Uneven heating or cold spots, especially in older Craftsman and multi-story homes with mixed insulation.
  • Short cycling or frequent on/off cycles that reduce efficiency and increase wear.
  • Noisy operation from aging blowers, bearings, or duct resonance.
  • Heat pump specific issues: reduced heating in extended cold snaps, defrost cycle problems, and low refrigerant.
  • Moisture-related concerns: condensate backups, mold around vents, and corrosion on outdoor components from wet air.
  • Thermostat malfunctions or improper programming that leads to wasted energy or discomfort.
  • Safety concerns like cracked heat exchangers or carbon monoxide risks in older furnaces.

Understanding these common issues helps prioritize diagnostics that address both immediate comfort and long term system health.

Heating systems we service

Seattle homes use a range of heating systems. Professional heating service typically covers:

  • Gas furnaces and oil furnaces: ignition systems, burners, flues, and heat exchangers.
  • Boilers and hydronic systems: circulator pumps, valves, and zone controls.
  • Air-source heat pumps and hybrid systems: compressor, reversing valve, and defrost controls.
  • Ductless mini-splits, including Mitsubishi systems: indoor heads, outdoor inverter compressors, refrigerant circuits, and controls.
  • Electric furnaces and baseboard electric systems.
  • Radiant floor heating and specialty systems common in remodels.

Seattle’s moderate climate makes heat pumps and ductless systems especially popular for year-round comfort and efficiency. Technicians experienced with Mitsubishi and other ductless brands can service inverter-driven compressors, advanced controls, and multi-zone setups.

Diagnostic process: what to expect

A thorough heating system diagnostic in Seattle should follow a clear, safety-first workflow:

  1. Initial intake and symptom review to understand runtime patterns and recent changes.
  2. Safety and combustion checks for fuel-fired systems: carbon monoxide testing, flue inspection, and combustion analysis where applicable.
  3. Electrical and control assessment: thermostat calibration, control board checks, and voltage testing.
  4. Mechanical inspection: blower motor, bearings, belts, burners, heat exchangers, pumps, and valves.
  5. Airflow and ductwork evaluation: static pressure checks, filter inspection, and duct sealing assessment.
  6. Refrigerant and refrigerant circuit checks for heat pumps and ductless systems, including leak detection and defrost diagnostics.
  7. Moisture and drainage review: condensate lines, pans, and outdoor unit siting to prevent backups and corrosion.

Diagnostics should result in a clear, written summary of findings and recommended options aligned with the homeowner’s goals for comfort, efficiency, and budget.

Typical repairs and solutions

Common repairs performed after diagnostics include:

  • Replacing faulty ignition modules, flame sensors, or pilot assemblies.
  • Repairing or replacing blower motors, capacitors, belts, and bearings.
  • Repairing refrigerant leaks, replacing compressors or reversing valves on heat pumps and ductless systems.
  • Cleaning and servicing outdoor units to prevent moisture-related failure and corrosion.
  • Sealing and insulating duct runs, replacing damaged duct sections, or balancing airflow.
  • Replacing thermostats with programmable or smart models and calibrating controls.
  • Clearing condensate drains, repairing pans, and addressing indoor humidity that affects comfort.

Most Seattle-area repairs are performed with OEM-compatible parts and attention to preventing moisture-related recurrence.

Emergency and same-day response

Loss of heat on a cold Seattle night is a safety and comfort concern. Emergency and same-day heating service focuses on:

  • Rapid prioritization of no-heat calls, safety hazards, and vulnerable occupants.
  • Temporary measures to restore heat quickly when full repairs require parts or longer diagnostics.
  • Immediate carbon monoxide mitigation steps for suspected CO leaks.
  • On-site triage to provide a realistic timeline for permanent repairs or replacements.

Emergency service protocols emphasize safety checks first and stabilization second, allowing technicians to protect occupants while determining the best long-term fix.

Maintenance plans and long-term care

Regular maintenance is the most effective way to prevent emergency breakdowns and extend system life. A typical maintenance plan for Seattle homes includes:

  • Annual fall tune-up for combustion systems and a spring check for heat pumps.
  • Filter replacement guidance and indoor air quality assessments.
  • Lubrication of moving parts, tightening electrical connections, and safety control tests.
  • Duct inspections and recommendations for sealing or insulating problem runs.
  • Seasonal refrigerant and defrost performance checks for heat pumps and ductless units.

Benefits of a maintenance plan include improved system efficiency, fewer emergency repairs, more consistent comfort, and earlier identification of components approaching end of life.

Repair vs replacement and financing considerations

Deciding whether to repair or replace depends on several factors:

  • Age of the system: many furnaces and heat pumps approach replacement consideration after 10 to 15 years.
  • Cost of the required repair relative to the remaining expected life of the system.
  • Efficiency gains from a modern unit, especially with newer heat pump and ductless technologies that perform well in Seattle’s climate.
  • Safety concerns such as cracked heat exchangers or repeated refrigerant leaks.

Financing options are commonly available to spread replacement costs over time. Evaluating lifecycle cost, seasonal energy savings, and local climate suitability will help determine whether repair or replacement is the better investment.

Why local expertise matters in Seattle

Seattle’s climate, building stock, and energy priorities shape the most effective heating strategies. Local technicians bring advantages:

  • Experience with moisture-related issues and corrosion prevention.
  • Familiarity with common home construction styles and ductwork challenges in the region.
  • Expertise with heat pumps, ductless systems, and brands like Mitsubishi that are well suited to Seattle’s mild winters.
  • Knowledge of safety protocols for fuel systems in humid conditions.

The right local service focuses on durable solutions that match Seattle homes for comfort, reliability, and efficiency.

Keeping your heating system tuned, safe, and matched to Seattle’s climate reduces surprises on cold, wet nights. Well-informed diagnostics, timely repairs, and routine maintenance are the primary ways to protect comfort and extend equipment life while optimizing energy use.

Design image

Customer Testimonials

Our customers consistently praise our exceptional service and attention to detail, highlighting the positive impact we've had on their experiences.

Green Head Heating did the HVAC on our large new construction custom home. They have more than taken care of us from start to finish. Everything was VERY well thought out. They were knowledgable with energy credits, which is often times missed! This was a trade that was very important to us as it is inside your walls. I am certain we have the BEST system. They truly didn’t miss anything! Would highly recommend!

Brittany A.

Ryan has the exact experience to make sure you’re getting the climate control that your home needs. His knowledge is extensive and he always has an answer to every question and on top of that he’s pleasant to work with. Ryan and his main tech Tristan have done many high quality HVAC installs that I have seen in the last year and I couldn’t imagine trusting anyone else for the job. Thank you, Greenheads!

Karlan S.

We decided to replace our very old gas furnace with a newer and hopefully quieter furnace.  We contacted Greenhead because they were a smaller, local business.  Everything about the process was excellent.  Best of all the furnace is exceptionally quiet.  Thanks Greenhead.

Bruce R.

Would recommend! Our heat cut out during a cold snap - I called Greenhead the next morning and Ryan was at my house the same afternoon. He quickly diagnosed a faulty switch in our furnace and was back that evening with a new part! Pricing was reasonable, especially given the urgency.

Eamonn K.

I had Greenhead out to do service on my gas furnace and heat pump. Ryan was very professional and helpful. The service was very reasonably priced even though they were there in the evening! I would recommend them to anyone.

Lindsay P.

Came same day when we had no heat. Worked quickly to find the issue while explaining everything he was doing. Really took the time to make us feel like a valued customer not just a number. Also the pricing was very fair which in todays economy is always so helpful... we will be using this company for all future heating needs

Madison B.