Boiler Services in Seattle, WA

Western Washington's Source for Expert Boiler Services

When it comes to reliable boiler services in Seattle, WA, homeowners trust Brennan Heating & Air Conditioning for expert installation, repair, and maintenance. Our licensed technicians ensure your boiler operates safely and efficiently year-round. With decades of experience, we’re known for quality, honesty, and customer satisfaction.

Hydronic (hot water) heating is one of the most efficient ways to warm a home. It circulates hot water through pipes to provide both radiant and convected heat—radiant heat warms surfaces directly, while convected heat spreads warmth through the air.

Hot water from the boiler can be distributed through radiant floor tubing, baseboard units, or radiators. It can also supply hot water for daily use or heat pools and outdoor areas like sidewalks and driveways.

Boiler systems work by heating water and circulating it through a closed loop. The water releases heat through radiators, then returns to the boiler to be reheated—delivering consistent, energy-efficient comfort.

Contact Brennan Heating & Air Conditioning today to schedule your boiler repair, maintenance, or installation appointment.

Comprehensive Boiler Repair, Installation & Maintenance

Boilers require professional care to ensure they continue to deliver reliable heat during the cold, damp Seattle winters. Brennan Heating & Air Conditioning offers complete boiler services designed to maximize performance and extend the life of your system. Our services include:

• Boiler Installation & Replacement – We install high-efficiency boilers from top brands to improve comfort and reduce energy costs.
• Boiler Repair – Our technicians quickly diagnose and repair leaks, noises, or heating issues to restore comfort fast.
• Routine Maintenance & Tune-Ups – Preventative care helps detect minor issues before they become major problems.
• Emergency Boiler Service – We’re ready to respond when your boiler stops working unexpectedly.
• Efficiency Upgrades – Improve your home’s energy use with system upgrades or thermostat installations.

We tailor every service to your home’s unique heating needs, ensuring comfort, safety, and optimal performance.

Advantages of Residential Boiler Heating Systems

• Clean form of heating that doesn’t produce dust particles and other allergens. Since heat in a boiler system radiates out from the radiator into air that already exists, no new air is entering the space. In forced air systems, the new air is what oftentimes causes dust and allergens to infiltrate the atmosphere.
• Comfortable, high-quality heat is what you get from a boiler system. Heat from a radiator infuses the room, opposed to being forced through ductwork and out a vent. This gives radiator heat a different, fresher feeling than forced air systems and disperses the heat more evenly.
• Special features like user-friendly programming and zoning capabilities are a major benefit. Users can distinguish various heating zones within the home based on living space usage patterns. Programmable thermostats enable the automating of start-stop heat delivery as well.
• Quiet operation is another perk of boiler systems. Unlike forced air systems that produce noise as air circulates out the vents, a boiler heating system’s operational noise is confined to inside the boiler. The rest of the system is virtually silent.
• Longevity of a boiler heating system depends on several factors. The system must be well-maintained and annually serviced to keep it performing efficiently. Some boiler systems last only 10 years, others may last several decades. It’s all about the regularity of service and inspections to keep a system maintained for the long run.

How Do I Know If My Boiler Needs Professional Attention?

Boilers often show subtle signs before breaking down completely. Ignoring these red flags can lead to costly repairs or safety hazards. You should schedule professional service if you notice:

• Unusual clanging, banging, or gurgling sounds
• Inconsistent or weak heating
• Water leaks or corrosion around the boiler
• Pilot light frequently going out
• An unexplained spike in heating costs
• Odd smells or signs of soot buildup

Prompt attention can help prevent major damage and ensure your home stays warm all winter long.

How Important is Boiler Maintenance?

Just like forced air systems, boilers require inspections, maintenance, and the occasional part replacement to extend lifespan and maintain efficiency. If you are considering upgrading your system, it’s possible to keep your existing unit. Brennan Heating & Air Conditioning is highly experienced at installing new boilers and retrofitting original systems in and around the Seattle area, which boosts efficiency, as well as increases the safety of the home.