All-Brand Boiler Repair for Burnaby's Hydronic Homes
Boiler systems run on fundamentally different principles than forced-air furnaces, and sending a furnace technician to diagnose a hydronic problem almost always ends in misdiagnosis and wasted money. Burnaby has a higher concentration of boiler-heated homes than most cities in our service area, particularly in the pre-war and post-war neighborhoods of North Burnaby and along South Slope where original cast-iron radiator systems have been running for over 60 years. Eaton's Heating provides same-day boiler repair across all Burnaby neighborhoods from our Coquitlam base, minutes away via Lougheed Highway. We service conventional cast-iron boilers, modern condensing wall-hung units, and combi systems. Every call starts with a flat-rate $189 diagnostic, and all additional work is quoted before we proceed.
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The stretch of Burnaby Heights along the Hastings Street corridor and the hillside homes climbing South Slope toward Deer Lake contain some of the densest pockets of boiler-heated housing in the Lower Mainland. Many of these homes were built in the 1940s and 1950s with hydronic heating as the original system, and the cast-iron radiators bolted to the walls are often still the ones installed when the house was built. The boilers themselves have been replaced once or twice since then, but the piping, radiator valves, and distribution layout remain original. Diagnosing a problem in one of these systems requires understanding how 60-year-old piping interacts with a boiler that may have been installed 15 years ago by a company that no longer exists. That is a different skill set than replacing an igniter in a gas furnace, and it is why most forced-air HVAC companies struggle with boiler calls.
Burnaby's boiler inventory splits into two distinct categories, and each demands a different diagnostic approach. The first is the legacy systems in Capitol Hill, Willingdon Heights, and the older pockets of Edmonds: cast-iron boilers feeding radiators or baseboard convectors through original copper or steel piping. These systems fail slowly. Expansion vessels lose their pre-charge over years. Circulator pumps weaken until flow drops below the threshold for even heat distribution. Radiator valves seize from corrosion and mineral deposits. The failures are mechanical and cumulative, and diagnosing them requires hands-on testing of water pressure, flow rates, and air elimination at each zone. The second category is modern condensing boilers in renovated homes or newer construction: wall-hung units from Navien, Viessmann, or Bosch with electronic controls, flow sensors, and condensate management systems. These fail differently. Error codes, thermistor faults, and condensate drain blockages are electronic diagnostic problems that require manufacturer-specific knowledge and test procedures.
Eaton's Heating has been diagnosing and repairing boiler systems across Burnaby for over two decades, and our Coquitlam shop sits on the Burnaby border. That proximity matters on boiler calls because a leaking system or failed circulator pump can cause water damage if left overnight. We are a FortisBC Trade Ally, BBB A+ rated, and Technical Safety BC licensed under LGA0200006. Our 400+ five-star Google reviews and 4.9 average rating reflect accurate hydronic diagnostics in a market where most companies send furnace technicians to boiler calls. We service every residential boiler brand from Navien and Viessmann to Weil-McLain, IBC, NTI, and Bosch, including legacy cast-iron systems that other companies will not touch. All repairs use OEM parts backed by a six-month parts and labour warranty.
The Lower Mainland's damp climate is particularly aggressive on boiler systems. In Burnaby Heights' older homes, where basements often lack modern vapour barriers, moisture accelerates corrosion on cast-iron components and original steel piping in ways that drier inland climates do not produce. Condensate lines on modern condensing boilers are prone to algae and mineral blockages when humidity stays above 80 percent for months at a time. Scale buildup from Metro Vancouver's moderately hard water restricts flow through heat exchangers, causing kettling: the rumbling or banging sound that signals water is overheating locally inside the boiler. We see these patterns constantly across Burnaby's boiler homes and carry the parts to address them in a single visit. When a boiler is beyond cost-effective repair, we walk through the numbers alongside modern replacement options so you can compare repair cost against the value of an upgrade. For homeowners considering a switch from hydronic to forced-air, we also install furnaces and heat pumps across Burnaby.
A furnace failure means no heat. A boiler failure can mean no heat and water damage. Leaking pressure relief valves, failed expansion vessels, and corroded pipe joints can all release water into walls, floors, and finished basements while the homeowner waits for a technician. Our Coquitlam shop at 17 Fawcett Road is 10 to 15 minutes from most Burnaby neighborhoods, making us the closest boiler repair option for homes in Parkcrest, Burnaby Heights, Capitol Hill, and the Lougheed corridor. For South Burnaby locations around Metrotown and Highgate, we are a quick trip down Kingsway.
Whether your boiler heats cast-iron radiators in a 1950s South Slope character home, in-floor loops in a renovated Deer Lake split-level, or a single zone in an Edmonds condo, Eaton's Heating has the hydronic expertise to diagnose and repair it. For homeowners considering a boiler upgrade, visit our rebates page for information on FortisBC incentive programs. See our full Burnaby HVAC services for everything else we cover.
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Have a question about your HVAC system? Book an appointment using the form below, or call (604) 535-8434 for immediate help.
Our Coquitlam shop is on the Burnaby border, which means most boiler calls in Burnaby are 10 to 15 minutes away via Lougheed Highway, Kingsway, or Canada Way. Boiler emergencies involving leaks or pressure failures are treated as urgent because they risk water damage in addition to heat loss. We carry common boiler components on every truck. Call (604) 535-8434.
Uneven heating across radiators is typically caused by air trapped in one or more loops that prevents water from circulating, a failing zone valve that is not opening fully, a weak circulator pump that cannot push water to the farthest radiators, or sludge and sediment buildup restricting flow through older cast-iron radiators. In Burnaby's older hydronic homes, we often find a combination of these issues compounding each other. Bleeding the radiators clears trapped air, but if the cold spots return within weeks, there is an underlying circulation or valve issue that needs professional diagnosis.
Once before each heating season is the standard recommendation. A pre-season service includes checking water pressure and expansion vessel pre-charge, testing the circulator pump and zone valves, inspecting the heat exchanger for scale or corrosion, verifying ignition and flame performance, and clearing the condensate drain on condensing units. For Burnaby homes with older cast-iron systems, this pre-season check is especially important because small leaks, weakening circulator pumps, and slowly failing expansion vessels all progress over the summer months when the system is not running and the problems are not visible.
Most HVAC companies in the Lower Mainland specialize in forced-air systems: furnaces, heat pumps, and air conditioners. Boiler repair requires hydronic-specific knowledge including water pressure management, air elimination procedures, circulation balancing, zone valve diagnostics, and expansion vessel testing. A furnace technician who is unfamiliar with hydronic systems may misdiagnose the problem, replace the wrong component, or create new issues by disturbing original piping. Eaton's Heating has maintained boiler repair as a core specialty for over two decades because Burnaby's older neighborhoods depend on it.
The $189 diagnostic covers the full assessment: water pressure testing, combustion analysis, circulator pump and zone valve checks, and identification of the root cause. Costs beyond the diagnostic depend on the failed component. Circulator pumps, zone valves, and ignition components typically fall in the $200 to $800 range for parts and labour. Expansion vessel replacements and heat exchanger descaling fall at the higher end. We quote every repair upfront before starting, and all work uses OEM parts with a six-month parts and labour warranty.
A conventional boiler vents hot exhaust gases directly up a metal flue, wasting some of the heat energy in the process. These units typically operate at 80 to 85 percent efficiency. A condensing boiler captures additional heat from those exhaust gases by cooling them until the water vapour condenses, recovering energy that would otherwise be lost. Condensing boilers reach 95 percent efficiency or higher and vent through PVC pipes instead of a metal chimney. Many of Burnaby's older boiler homes still run conventional systems. Upgrading to a condensing unit reduces gas costs, but the installation requires new venting and a condensate drain, which our team handles as part of every boiler replacement project.
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