Northwest Comfort Systems

A reliable gas furnace is the heart of your home's winter comfort. At Northwest Comfort Systems, we specialize in gas furnace installation, repair, and maintenance for homeowners across King County. Whether you need a high-efficiency replacement or a first-time installation, our NATE-certified technicians guide you through every step. We help you select the right size and brand for your home, then install it safely and cleanly. Our service includes thorough testing of airflow, thermostat calibra...

Stay cool in summer and warm in winter with energy-efficient air conditioning and heat pump solutions from Northwest Comfort Systems. We design, install, and repair central AC systems, ductless mini-splits, and electric heat pumps for homes throughout King County. Our team helps you choose the right SEER-rated equipment to reduce energy costs while maintaining perfect comfort. Ductless heat pump systems are ideal for homes without existing ductwork, offering zone control and whisper-quiet operat...

Hot water on demand is essential for every household. Northwest Comfort Systems provides expert water heater installation, replacement, and repair for traditional tank and high-efficiency tankless models. Our King County customers trust us for fast, code-compliant work and honest advice. Tankless water heaters offer endless hot water and lower utility bills — we assess your home's flow rate and fuel type to recommend the perfect unit. For standard tank heaters, we install energy-efficient models...

When your furnace stops producing heat, we diagnose the cause quickly and explain the options before any work begins. Our NATE-certified technicians check airflow, ignition, thermostat operation, and gas connections to find the real problem. We are available around the clock for emergency calls, which matters most on the coldest nights. Where repairs make sense, we fix the issue properly; where a unit is worn out, we will tell you plainly. Reach out any time you notice heat failing or unusual so...

Heat pumps provide both heating and cooling, so keeping them maintained matters year-round. We offer seasonal check-ups that clean coils, check refrigerant levels, and confirm the defrost cycle is working as it should. If your heat pump is struggling, our technicians can track down the cause and make the repair with the right parts on hand. Regular service helps prevent breakdowns during the coldest weeks of winter and the hottest days of summer. Call us to schedule a visit or to report a proble...

Ductless heat pumps are a good fit for homes that have no existing ductwork or that need extra comfort in certain rooms. We install indoor units that heat and cool individual zones, which lets you set each area to the temperature you prefer. The systems run quietly and can reduce energy use compared with older electric heat. We assess where the indoor units should go and how the outdoor unit can be mounted for clean, efficient operation. Get in touch and we will discuss whether a ductless system...

Tankless water heaters deliver hot water on demand and can lower utility bills over time. We look at your household's flow rate and fuel type to recommend a unit that will keep up with showers, dishwashers, and laundry at the same time. Installation includes code-compliant venting and gas or electric connections, handled by our experienced technicians. We also explain the maintenance a tankless unit needs so it lasts. If you are considering a switch from a traditional tank, call us for a free es...