Washington State’s Boiler Retrofits


In homes and commercial properties with aging, inefficient, or repeatedly failing boiler systems, a boiler retrofit can provide an opportunity to replace outdated equipment while correcting problems elsewhere in the hydronic system. Custom Floor Heating LLC provides boiler retrofits throughout Washington State, including Seattle, Bellevue, Issaquah & All of Washington State. Family owned and operated since 2001, we bring more than 30 years of hands-on heating experience and UA Local 32 apprenticeship training to radiant and hydronic heating projects.

Rather than treating a retrofit as a simple equipment swap, we evaluate the existing boiler, piping, circulation, controls, distribution components, and overall system configuration. Call (206) 335-4600 or complete the contact form to discuss a boiler retrofit in Seattle, Bellevue, Issaquah & All of Washington State.

Boiler Retrofits in Seattle, Bellevue, Issaquah & All of Washington State

A boiler retrofit involves integrating new heating equipment into an existing hydronic system. The condition and design of that existing system can have a major impact on how the new boiler performs.

Custom Floor Heating LLC evaluates the boiler along with connected pumps, piping, controls, manifolds, zone valves, expansion components, radiant loops, and other relevant equipment. This allows us to determine what can remain in service and what should be updated as part of the retrofit.

More Than a Boiler Replacement

Installing a new boiler does not necessarily correct problems elsewhere in an aging hydronic system. Poor circulation, deteriorating components, improper controls, system contamination, or an outdated configuration can continue affecting performance even after the heat source has been replaced.

Our retrofit approach looks at the complete system. Depending on its condition, a project may include a new boiler along with updates to circulators, controls, valves, manifolds, piping, or other hydronic components.

The goal is to create a properly functioning system around the new equipment rather than simply connecting a new boiler to existing problems.

Residential and Commercial Boiler Retrofits

Custom Floor Heating LLC provides boiler retrofits for both residential and commercial properties. Homes may need an upgrade because of an aging boiler, recurring repairs, uneven radiant heating, or outdated mechanical equipment. Commercial properties may require retrofits involving larger heating loads, multiple zones, or more complex hydronic configurations.

Every project is evaluated according to the property, existing equipment, heating demands, and condition of the overall system.

Call (206) 335-4600 to discuss your current boiler or submit the contact form with information and photos of the existing equipment.

Retrofitting Older and Discontinued Boiler Systems

Parts availability and manufacturer support can become concerns as boilers age. This is particularly relevant for owners of discontinued equipment, including older Triangle Tube boiler systems.

Custom Floor Heating LLC can evaluate whether continued repair is practical or whether transitioning to a currently supported boiler system is the better option. When replacement is appropriate, we consider how the new equipment should integrate with the existing hydronic system.

Visit our Triangle Tube Boilers page for more information about these systems.

IBC Boiler Retrofit Options

IBC Boilers are an important part of the high-efficiency hydronic systems Custom Floor Heating LLC installs. When replacing older equipment, an IBC boiler may be considered as part of a retrofit based on the property’s heating requirements and existing system configuration.

Proper sizing, piping, circulation, controls, and system balancing are all important to the performance of modern boiler equipment. Our retrofit process accounts for these factors rather than focusing on the boiler alone.

Visit our IBC Boiler Installations page to learn more about IBC systems.

Correcting Corrosion and Hydronic System Problems

Some older radiant heating systems contain non-oxygen-barrier tubing that can allow oxygen diffusion into the circulating water. In systems with susceptible ferrous components, this can contribute to corrosion and iron-oxide contamination that may affect circulator pumps, zone valves, manifolds, expansion tanks, and other components.

If these conditions are present, repeatedly replacing individual failed parts may not address the larger problem. A retrofit provides an opportunity to evaluate the system as a whole and determine which components should be updated.

Custom Floor Heating LLC works with oxygen-barrier tubing, including Mr. PEX products, for appropriate radiant and hydronic applications. Visit our Oxygen Barrier Tubing and Mr. PEX Tubing pages for additional information.

Radiant Floor and Baseboard Heating Retrofits

Boiler retrofits are not limited to one type of heat distribution. Custom Floor Heating LLC works with boilers serving radiant floor heating systems as well as hot-water baseboard radiators commonly found in older homes.

Because we specialize in hydronic heating, we can evaluate how the new boiler will interact with the property’s existing distribution system, including its piping, circulators, zones, controls, manifolds, and radiators.

Planning Your Boiler Retrofit

The appropriate scope of a boiler retrofit depends on the age and condition of the equipment, heating requirements, system configuration, and whether existing components remain suitable for continued use.

With more than 30 years of hands-on heating experience, Custom Floor Heating LLC approaches retrofit projects from a mechanical and system-wide perspective. We can identify which portions of the existing system may remain and which should be replaced or upgraded to support the new boiler.

Discuss a Boiler Retrofit in Seattle, Bellevue, Issaquah & All of Washington State

If your boiler is aging, experiencing repeated failures, becoming difficult to repair, or connected to an outdated hydronic system, Custom Floor Heating LLC can evaluate the equipment and discuss your options.

Our services include Boiler Service, Boiler Installations, Boiler Retrofits, IBC Boiler Installations, Radiant Floor Heating, Hydronic Heating, Triangle Tube Boilers, Mr. PEX Tubing, Oxygen Barrier Tubing, Snow Melting Systems, and Baseboard Radiators.

Call (206) 335-4600 or complete the contact form to request information about boiler retrofits in Seattle, Bellevue, Issaquah & All of Washington State. You can also upload photos of your existing boiler and mechanical equipment to help provide our team with additional information about the system.

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