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How Much Does Home Radiator Repair Cost? [2025 Data]
Normal Range: $100 - $500
Radiator repair costs $350 on average, but pricing often ranges from $100 to $500 based on the radiator type, material, and issue.
How we get this data
Photo: Maskot / Getty Images
Photo: Maskot / Getty Images
Cost Insights
Radiator repairs range in cost from $100 to $600, depending on the issue.
Replacement parts affect costs if needed—a new radiator pipe can add up to $600 to the total cost.
Electric radiators are the least expensive to repair, at $125 to $450, while steam radiator repairs cost up to $600.
Inspection and base service labor fees can add $100 to $200 to your costs.
Avoid radiator issues with annual maintenance, which costs $150 to $500 per year.
Radiator repair costs can range from {{nationalMinCost}} for simple DIY fixes to {{nationalMaxCost}} for major issues, but most people pay around {{nationalAvgCost}}. If your radiator has seen better days, keep reading to get a good idea of how much you’ll pay to bring the warmth back to your home.
Cost to Repair a Radiator by Issue
Radiators typically require some form of maintenance at least once a year, even if it is something as simple as bleeding or balancing your heating system. Larger issues, such as a broken valve, rust buildup, or cracked pipes typically only occur after several years.
Here are the average prices of the most common repairs and reasons for a heating service call. Repairs such as fixing a leak significantly range depending on the extent of the issue and where the leak is located.
| Repair Type | Average Cost |
|---|---|
| Bleed a radiator | $100–$200 |
| Address a banging sound | $100–$200 |
| Balance a radiator | $100–$250 |
| Remove rust | $150–$300 |
| Radiator insulation | $150–$300 |
| Regulate high pressure | $150–$400 |
| Fix a crack | $200–$400 |
| Unclog a radiator | $200–$450 |
| Fix a leak | $150–$600 |
As a homeowner, it's your job to keep an eye on changes in your radiator and heating system. Most frequently, radiators either do not heat up or they produce too much heat. On average, both issues cost between $100 and $400 to repair, depending on the source of the problem.
Heating specialists and plumbers will charge a base service fee of about $100 to come to your home and diagnose the issue. Beyond this, they will charge either an hourly rate plus the cost of parts or a base fee for the whole repair.
Cost of Radiator Repair Replacement Parts
In some cases, your radiator may be underheating or overheating your home because of a broken part. For example, a defunct thermostat may cause a radiator to stay on longer than necessary. These price ranges include both parts and the cost of labor.
| Replacement Parts | Average Cost |
|---|---|
| Air vent | $150–$300 |
| Valve | $150–$300 |
| Thermostat | $150–$400 |
| Radiator pipe | $200–$600 |
Radiator Repair Costs by Type and Material
The three most common radiators are electric, steam, and hot water. While electric radiators simply push a heated thermal fluid through their system, steam and hot water radiators depend on a full system of pipes to transfer hot air or water to heat your home. These heaters have more complex parts from a longer timeframe going back in heating history. More parts mean more repairs—some of which can be trickier to find than others.
| Radiator Type | Average Cost |
|---|---|
| Electric | $125–$450 |
| Steam | $175–$600 |
| Hot water | $150–$500 |
Radiators also come in stainless steel or cast iron, and cast iron parts cost a bit higher on average to repair and replace.
| Radiator Material | Average Cost |
|---|---|
| Stainless steel | $150–$550 |
| Cast iron | $200–$600 |
Radiator Repair Cost Breakdown
A trustworthy plumber or HVAC specialist will always provide an estimate before completing repairs on your radiator. The breakdown may include an inspection fee, additional hourly or a set-rate labor fee, and the cost of parts.
| Radiator Repairs | Average Cost |
|---|---|
| Inspection or base service fee | $100–$200 |
| Base fee or hourly rate | $100–$250 per hour |
| Replacement parts | $150–$600 |
Tips to Save on Radiator Repair Costs
Radiators are one of those appliances that naturally develop wear and tear over time. However, keeping an eye on the appearance and performance of your radiator can help lower costs. For example, if you spot rust around your radiator, you could have a condensation problem. Catching this early and calling in a local boiler repair person means there's less of a chance of having to replace parts entirely.
You can also sign up for HVAC maintenance service contracts that keep an eye on your radiators for you. These contracts cost between $150 and $500 per year.
In the unique case that your radiator suffered damage from sudden damage, such as fire, an unexpected freeze, or a fallen tree, your home insurance may cover the costs.
Why You Should Hire a Radiator Repair Pro
Radiators are sophisticated systems, so it’s always worth investing in the skills and experience of a heating repair pro near you when you’re facing an issue. This ensures a quick, permanent fix to your problem, improved energy efficiency, and better safety for the future. While some very basic repairs can be safe to DIY, the peace of mind of working with an expert is more than worth the average labor cost of $350.
Here’s why it’s ideal to hire a radiator repair pro
There are many reasons to hire a pro when there’s an issue with your radiator, such as:
Greatly reduce the safety risk of heating issues (e.g., fires, gas leaks, etc.)
Avoid the expense of needless or incorrect repairs
Improve heating efficiency
Extend the lifespan of your radiators
Improve the comfort of your home during winter
Get your system repaired much more quickly
Get peace of mind through warranties and maintenance arrangements
Next Steps: Finalize Your Project With a Pro
Consider the age and overall condition of your radiator to determine if repair or replacement is the better choice.
Ask your professional for a full list of the repairs your system needs before going ahead with the job.
Ask what replacement parts you’ll need, if any, as these greatly affect costs.
Know what kind of radiator you have (e.g., steam, water, electric) when getting quotes from pros.
Avoid high radiator repair costs by investing in ongoing seasonal heating maintenance.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
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