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Leak Detection & Repair

Leak Detection & Repair in Fairview Heights

Licensed Plumbers Serving Fairview Heights, IL Around the Clock

Hidden leaks don’t announce themselves. By the time water stains appear on a ceiling or a floor feels soft underfoot, damage may already be underway. At BEL-O Cooling & Heating, we’ve been finding and fixing leaks for Metro East homeowners since 1959, and we bring that same depth of experience to every call we take in Fairview Heights, IL. Our licensed plumbing team handles both residential and commercial properties, and we’re available 24/7 when the situation can’t wait. We use advanced, non-invasive detection technology to locate leaks without tearing apart your home to find them.

Suspect a leak in your Fairview Heights home? Don’t wait for visible damage to confirm what your water bill is already telling you. Call BEL-O Cooling & Heating now at (618) 400-0905 to schedule leak detection or request emergency plumbing service.

Why Fairview Heights Homeowners Trust BEL-O Cooling & Heating

We’re a third-generation, family-owned business, and that matters in ways that go beyond a tagline. When our founders started this company in 1959, our family name went on every job. That standard hasn’t changed. Our team now carries more than 1,249 years of combined hands-on industry experience, and we’ve built long-term relationships with customers who’ve called us for 15, 20, and even 60 years. Our A+ rating from the Better Business Bureau reflects what those customers have said about us over decades of service.

Our technicians explain what they find and present your options clearly, without any pressure to approve work you don’t need. When you’re dealing with a suspected leak, the last thing you want is uncertainty about what’s being recommended and why. We don’t operate that way. And because plumbing emergencies don’t follow a schedule, we offer true 24/7 availability for leak detection in Fairview Heights and throughout the Metro East area.

Credentials That Back Up Every Service Call

We’ve earned recognition that reflects a genuine commitment to doing this work right. BEL-O Cooling & Heating has twice received the BBB Torch Award for Ethics, and we’re a multi-year recipient of the Carrier President’s Award, the manufacturer’s highest honor for top dealers. Our team includes NATE-certified technicians, representing the industry’s gold standard for professional knowledge and technical proficiency across our full range of home services. On the plumbing side, we’re a member of Plumbers and Pipefitters Local 101 in Belleville, Illinois.

Types of Leaks We Detect & Repair

Our plumbing team is experienced with the full range of residential leak types. Whether the source is obvious or completely hidden, we have the tools and training to find it and fix it.

  • Burst pipes: Often caused by freezing temperatures, these require immediate shutoff and professional repair to help limit water damage.
  • Appliance leaks: Refrigerators and washing machines can develop leaks from blocked defrost drains or failed supply lines.
  • Water heater leaks: Faulty drain valves, pressure relief valves, or tank corrosion are common culprits.
  • Toilet leaks: A deteriorated flapper is the most common cause, allowing water to escape silently from the tank. Pooling at the base typically points to a failing wax ring and is equally worth addressing promptly.
  • Under-sink drain assembly leaks: These occur at pipe connections and require removal and reinstallation by a licensed plumber.
  • Leaks behind drywall: Musty odors, discoloration, or mold growth are signs a leak may be active inside a finished wall.
  • Slab leaks: Water lines running beneath concrete foundations can develop leaks that may affect the slab and the flooring above it.
  • Gas line leaks: We provide gas line leak detection alongside water leak detection for comprehensive coverage of your home’s plumbing system.

Non-Invasive Leak Detection with Infrared Thermal Imaging

Finding a leak without destroying a finished wall used to mean guesswork and unnecessary demolition. We use infrared thermal imaging to identify temperature variations caused by moisture, pinpointing hidden leaks inside walls, under floors, and beneath concrete slabs. This lets us work in finished basements, remodeled spaces, and older homes without opening large sections of drywall. And because we know where the problem appears to be before we start, the repair footprint can stay smaller, meaning less disruption for Fairview Heights homeowners.

Warning Signs You Need Leak Detection in Fairview Heights

Some leaks are obvious. Many aren’t. These are the signals worth taking seriously before damage compounds:

  • Unexplained water bill increases: A sudden or gradual spike without any change in usage habits is one of the most reliable indicators of a hidden leak.
  • Low water pressure: Pressure drops at a single fixture or throughout the home may signal a supply line leak.
  • Musty odors: Persistent smells near bathrooms, laundry areas, or basements can point to hidden moisture from a slow leak.
  • Wall, ceiling, or floor changes: Bubbling paint, warping drywall, discolored grout, or soft spots underfoot suggest moisture behind or beneath surfaces.
  • Unusual wet spots outdoors: Damp patches, unusually green grass, or pooling near the foundation not tied to recent rain may indicate an underground leak.
  • Running water sounds with all fixtures off: Audible water movement when nothing is in use points to an active leak somewhere in the system.

Fairview Heights residents receive water through Illinois American Water’s regional system. If you’re seeing unexplained meter activity, the issue may be on your side of the line. A licensed plumber can inspect and determine whether a leak is present.

Full Plumbing Services Alongside Leak Detection

We handle detection and repair under one roof, so you don’t need to coordinate between a leak finder and a separate plumbing company. Once we locate the source, our team can move directly into repair. Our complete plumbing service lineup for Fairview Heights includes pipe repair, water line repair and replacement, gas lines, sewer line repair and replacement, trenchless sewer services, piping and repiping, and 24/7 emergency plumbing response. For larger projects, we offer financing options with approved credit, and our plumbing maintenance plans help catch developing problems before they become emergencies.

Schedule Leak Detection for Your Fairview Heights Home

The sooner a leak is found, the less damage it may cause. Whether you’re dealing with an active emergency or you’ve noticed early warning signs, our team is available around the clock and ready to help.

Call BEL-O Cooling & Heating at (618) 400-0905 to schedule leak detection in Fairview Heights or request emergency plumbing service any time, day or night. You can also submit a service request online to get started.

  • HomeAdvisor Screened & Approved
  • BBB A+ Accredited Business
  • Carrier Factory Authorized Dealer
  • Carrier President's Award
  • NATE
  • Sheet Metal Workers' International Association
  • Southern Illinois Builders Association
  • O'Fallon - Shiloh Chamber of Commerce Member
  • Plumbers & Pipefitters Local 101 - Belleville, Illinois
  • "Loran Scharf came by to service our heating system for the winter and drain the hot water tank"

    Loran Scharf came by to service our heating system for the winter and drain the hot water tank. Loran is very professional and does excellent work. He's been the person to do our service since we moved into our home in 2019 and we always ask for him. Hope Bel- O appreciates that they have a great representative of their company!

    - Barbara & Jim Hicks
  • "Couldn't wish for a better company and employee to service my home heating and cooling."

    Couldn't wish for a better company and employee to service my home heating and cooling. Appointments are made with only a minimal wait, calls ahead of arrival and professional service by employees make me call this company each year. Loren Is the BEST.
    - Karen H.
  • "Jason was professional and courteous."

    Jason was professional and courteous. He listened to what the problem was and then explained what he needed to do to fix it. He answered all my questions and cleared the clogged basement drain. He also recommended what I could do to help keep the drain clear in the future. Thank you Jason!
    - Sue S
  • "They replaced my sump pump."
    They replaced my sump pump. They came in the day I called, did the work quickly and well, with a better product than I had before. Very friendly. Explained what they were doing.
    - Rick H.
  • "Anthony thoroughly checked the gas water heater for proper operation"
    Anthony thoroughly checked the gas water heater for proper operation and lit the pilot light. He took time to answer our questions and investigated what caused the issue. He was friendly and helpful. We appreciate the great service.
    - Becky G
  • "Jason was on time, polite, and professional."

    Jason was on time, polite, and professional. He had the old water heater out and the new one installed very quickly and efficiently. There was minimum disruption to our household, and we were back to functional in no time and no inconvenience.
    - Wayne S
  • "What a great value for the peace of mind!"
    We recently had a technician out to do a maintenance and cleaning of our furnace.The experience was great as he took his time to clean and inspect the system and to go over any findings/recommendations he had for us. We took advantage of the great maintenance plan they offer and look forward to having them back out in the spring to maintenance the AC. What a great value for the peace of mind!
    - Stephanie S.
  • "Wonderful to work with. Fast and very professional."

    Wonderful to work with. Fast and very professional. Mitch the tech was very nice and did a great job. Thank you so much!

    - Karen B.

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Expert Technicians Providing HVAC & Plumbing Solutions for Residential and Commercial Properties
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  • Third Generation, Family-Owned Since 1959

    Our grandfather started this business to serve his community decades ago, and we take the same pride in that service. 

  • Decades and Decades of Industry Experience

    Since we opened, we've prioritized expertise in both traditional and innovative industry practices to serve you better. 

  • Honest & Transparent Technicians Who Never Oversell

    We want to provide you with a number of solutions and help you pick the right one for you, not the right one for us. 

  • Full Capability One-Stop Shop for Heating & Cooling

    From keeping the air in your home safe and cool to manufacturing sheet metal, you are in capable hands.