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Boiler Repair in Pittsburgh, PA

If your boiler isn’t heating properly, making strange noises, or has completely stopped working, it’s time to call the trusted professionals at Knight & Day Plumbing. We offer expert boiler repair in Pittsburgh, PA, backed by more than 40 years of hands on experience. Whether you’re a homeowner dealing with cold radiators or a business experiencing heating disruptions, our licensed technicians respond quickly with the tools, knowledge, and care needed to restore warmth and comfort day or night.

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Financing Available

0% Interest Options

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Upfront Pricing

No Hidden Costs

Quality Work

100% Satisfaction

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24/7 Service

Nights & Weekends

What to Expect During Your Boiler Repair in Pittsburgh, PA

We follow a thorough, step-by-step repair process to ensure your system is restored safely, efficiently, and with long-term reliability:

Initial Inspection

We start by assessing the condition of your boiler and surrounding components, checking for visible damage, leaks, or signs of wear. We also test system performance and gather details about the symptoms you're experiencing. This step allows us to begin diagnosing the problem accurately and efficiently.

Accurate Diagnosis

Our technicians use advanced diagnostic tools and decades of expertise to identify the exact cause of your boiler issues. We examine pressure levels, thermostats, ignition systems, and internal components to locate both visible and hidden problems. A clear diagnosis prevents future breakdowns and unnecessary costs.

Clear Estimates

Before we begin any work, you’ll receive a detailed estimate with transparent pricing no hidden fees or surprise charges. We walk you through our findings and explain your repair options in plain language. Our goal is to empower you to make an informed, confident decision that suits your home and your budget.

Efficient Repairs

Once approved, we begin the repair using quality parts and manufacturer-approved techniques. Whether it’s replacing a faulty valve, repairing a heat exchanger, or resolving ignition issues, we work quickly without cutting corners. Our team respects your time and home, keeping the area clean and minimizing disruption.

System Testing

After repairs are complete, we thoroughly test the boiler to ensure it’s running efficiently and safely. This includes checking for carbon monoxide leaks, verifying pressure and temperature controls, and confirming heat is being evenly distributed throughout the property. We don’t leave until we know your system is performing exactly as it should.

Support

Once service is complete, we review everything we’ve done and share tips for maintaining your boiler. We also remain available for any questions or concerns that come up after we leave. Your long-term comfort and peace of mind matter to us—because when you call Knight & Day Plumbing, you're getting a partner, not just a repair crew.

Contact Us

Why Choose Knight & Day Plumbing?

We know you have choices when it comes to boiler repair in Pittsburgh but here’s why Knight & Day Plumbing stands above the rest:

  • 40+ Years of Local Experience
    We’ve helped thousands of Pittsburgh homeowners and businesses stay warm and safe.

  • Licensed & Insured Technicians
    Our team is fully certified and trained to handle repairs safely and correctly.

  • Same-Day & 24/7 Emergency Service
    When your heat goes out, we show up Knight or Day.

  • Upfront, Transparent Pricing
    No surprises. Just honest service and clear communication.

  • All Major Brands & Boiler Types
    We service gas, oil, and electric boilers from top manufacturers.

Office Phone

(412) 887-5862

Common Signs Your Boiler Needs Repair

A malfunctioning boiler doesn’t just affect comfort it can lead to higher bills, potential property damage, and safety risks. If you notice any of the following issues, it’s time to call Knight & Day Plumbing for professional boiler repair in Pittsburgh:

Inadequate or No Heat

If your boiler isn’t producing enough heat or none at all it’s a clear sign something’s wrong. This may be caused by faulty thermostats, broken circulator pumps, or air trapped in the system. Waiting too long to address this can leave your home cold and your system at risk of further damage.

Pilot Light Keeps Going Out

A pilot light that won’t stay lit often signals problems with the thermocouple, gas supply, or ignition system. It may also indicate that the unit is shutting off to prevent a dangerous condition. Continuous relighting is a red flag that needs professional attention.

Leaks or Moisture Around the Boiler

Water around your boiler could mean there’s a damaged internal component, faulty pressure valve, or a crack in the tank. Even minor leaks can lead to mold growth, water damage, or electrical issues if ignored for too long.

Banging, Clanging, or Whistling Noises

Strange noises often suggest kettling (boiling water trapped in the heat exchanger), air in the system, or loose internal parts. These sounds not only indicate inefficiency but also signal internal wear that could lead to a complete breakdown.

Uneven Heating Across Your Home

If some rooms are warm while others remain cold, it could point to a problem with your boiler’s circulation or zone valves. It may also indicate sludge buildup or trapped air in the radiators. Uneven heating means your system isn’t distributing warmth effectively and it’s costing you more to do less.

Sudden Increase in Energy Bills

A spike in heating costs without a change in usage usually means your boiler is working harder than it should. Reduced efficiency from aging components or internal blockages could be driving up your energy consumption and your bills.

Frequent System Cycling (On and Off)

Short cycling can happen when a boiler overheats or struggles to maintain set temperatures. This repeated on-off pattern wears down components faster and reduces the system’s lifespan. It may be caused by faulty sensors, thermostat issues, or pressure problems.

Noticing any of these warning signs? Call Knight & Day Plumbing today for trusted, same-day boiler repair in Pittsburgh. Catching issues early helps you avoid expensive breakdowns and stay warm all season long.

Most Common FAQS

If your boiler is over 15 years old, breaks down frequently, or no longer heats your home efficiently, replacement may be more cost-effective. Our technicians can inspect your system and recommend the best solution based on age, condition, and performance.

Repair costs vary depending on the issue and the parts required. At Knight & Day Plumbing, we provide upfront pricing with no hidden fees, so you’ll know exactly what to expect before any work begins.

We offer same-day service for most boiler repairs in Pittsburgh and 24/7 emergency service when heat loss is urgent. Most repairs can be completed in a single visit.

We repair and maintain gas, oil, and electric boilers, including both steam and hot water systems. Our technicians are experienced with all major brands and models used in Pittsburgh homes and light commercial buildings.

No. Continuing to run a malfunctioning boiler can lead to carbon monoxide leaks, further damage, or even system failure. If you notice any signs of trouble, turn off your unit and call a licensed professional immediately.

Yes! We provide 24/7 emergency boiler repair to ensure your home or business stays warm and safe, even outside of regular business hours.

Customer Stories

Office Hours: Monday through Friday 8:00AM to 4:30PM

Emergency Hours: 24/7