Walk down First Street or Flagler Place on a winter morning and you can practically hear Bloomingdale heating up — the tick and clank of cast-iron radiators in row after row of porch-fronted Wardman and Victorian homes. These houses were drawn up in the early 1900s around a single boiler in the basement and a network of radiators on every floor, and more than a century later a great many of them still heat exactly that way. It is a wonderful system when it is dialed in, and a maddening one when it is not. The trouble is that steam and hot-water heat behave nothing like the forced-air furnaces most crews see all week, so a lot of companies either decline the call or start swapping parts and hoping. We do neither.
What goes wrong in a Bloomingdale rowhouse tends to follow the bones of the house itself. Long, narrow floor plans mean the radiator farthest from the boiler is often the one left cold, while pipes that have settled over a hundred years of foundation movement start collecting condensate and hammering hard enough to wake the block. We trace those symptoms back to their real source — a pitched-wrong radiator, a tired steam trap, a clogged air vent, low water or pressure, a hairline leak weeping onto the basement slab — and we fix the cause, not just the noise. On hot-water systems we bleed and balance so the top floor and the rear addition finally match the parlor, and when a cast-iron boiler is genuinely at the end of its run, we will tell you straight rather than nurse it through one more bad February.
Bloomingdale note: Many Bloomingdale boilers sit in basements that have wrestled with the neighborhood's old stormwater flooding, so we pay close attention to corrosion at the boiler base, low-water cutoffs, and any history of water around the burner — details a general furnace tech can easily miss in these rowhouses.
Common Boiler & Radiator Repair Issues We Fix in Bloomingdale
- Banging, knocking, or hammering noises in pipes and radiators (water hammer)
- Cold or only partially warm radiators and uneven heating between floors
- Failed or stuck steam traps and air vents
- Boiler leaks, low water level, or pressure problems
- Aging cast-iron boiler at end of life — repair or replace?
- Hissing radiator valves and trapped air needing bleeding
What's Included
- Diagnosis and repair of water hammer and loud banging pipes
- Fixing cold or unevenly heating cast-iron radiators
- Steam trap testing, repair, and replacement
- Leak detection and repair on boilers, valves, and piping
- Low-water and low-pressure troubleshooting and correction
- Radiator bleeding and whole-system balancing
- Annual boiler tune-ups and safety inspections
- Honest assessment and replacement of aging cast-iron boilers
Explore our full Boiler, Radiator & Steam Heat Repair service, or see all HVAC services in Bloomingdale.
What It Costs
Most boiler and radiator repairs in Washington, DC fall between $200 and $1,000, depending on the part and the labor involved, while major repairs on older systems can run from $1,200 to $3,000 or more. An annual service and tune-up typically runs $200 to $500, and a full boiler replacement generally lands between $6,500 and $11,500. Every system is different, so call us for a free, no-obligation estimate before you decide anything.