Plumbing Contractors

Knoxville, TN

24-Hour Emergency Service

Free Estimates 

Maintenance Plan Options

Request Lorem Epsom

Hero Request Form

Quality Residential Plumbing for Knoxville Homes


John H Coleman provides exceptional residential plumbing services to homes within a 50-mile radius of Knoxville, TN. As the oldest heating, cooling, electric, and plumbing company in Knoxville, we have earned a reputation for reliability that spans generations. Our family-owned business understands the unique plumbing needs of local homes, offering complete solutions to keep your plumbing systems running smoothly. Our skilled technicians handle everything from small repairs to large installations, always focusing on your comfort and satisfaction.

John H Coleman is proud to be a locally owned and operated company with deep roots in the Knoxville community. Our commitment to quality is reflected in our status as a preferred dealer for leading brands like Lennox, Mitsubishi, and Generac. We back our work with a 100% satisfaction guarantee, ensuring every job meets our standards and your needs. Our Coleman Care Agreements offer the advantage of no trip charges, making it easier to maintain your home's plumbing systems. For routine maintenance or urgent repairs, our team is here to help. To experience John H Coleman's superior residential plumbing services, contact us today.

Comparison chart for ColemanCare maintenance plans.

Why Choose John H Coleman Co


Preferred Dealer for Lennox, Mitsubishi, and Generac

Oldest Heating, Cooling, Electric, and Plumbing Company in Knoxville

100% Satisfaction Guarantee

Locally and Family Owned

No Trip Charge With Coleman Care Agreements

Maintenance Plan Options

Yellow van with company logo parked near a two-story brick house with green shutters.

Drains and Pipes

We specialize in keeping your home's drains and pipes flowing smoothly. Our services include drain cleaning, pipe repair, and replacement. We use advanced tools to quickly find and fix issues, minimizing disruption to your daily routine.

Water Filtration Systems

Enhance your home's water quality with our modern water filtration systems. We evaluate your needs and suggest the best filtration option. From whole-house systems to under-sink filters, we help you get clean, tasty water throughout your home.

Water Heaters

Get reliable hot water with our water heater services. We install, repair, and maintain all types of water heaters, including tank, tankless, and heat pump models. Our team helps you select an energy-efficient option that can lower your bills and improve performance.

Drains and Pipes

We specialize in keeping your home's drains and pipes flowing smoothly. Our services include drain cleaning, pipe repair, and replacement. We use advanced tools to quickly find and fix issues, minimizing disruption to your daily routine.

Water Heaters

Get reliable hot water with our water heater services. We install, repair, and maintain all types of water heaters, including tank, tankless, and heat pump models. Our team helps you select an energy-efficient option that can lower your bills and improve performance.

Pool Maintenance

Maintaining the perfect pool takes expertise and consistent care—and that’s exactly what our team delivers. From chemical balancing and equipment checks to cleaning and repairs, we keep your pool clear and running smoothly. We also provide pool maintenance services.

Military & Senior Discounts Available
Call John H Coleman today to schedule your appointment and claim your discount!
Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(865) 350-5119
Three overlapping speech bubbles with three dots in each, representing a conversation.

Here's what our satisfied customers are saying...

At John H Coleman Co, we take pride in providing exceptional HVAC and plumbing services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of John H Coleman Co and let others know what you think.

Recent Blog Posts

new AC unit
March 25, 2026
When you’re installing a new AC unit for the first time, you should know the differences between forced air systems, mini splits, and heat pump systems.
Person using a wrench to tighten a pipe connected to a water heater.
October 15, 2025
Selecting the best water heater for your home involves careful consideration of several factors, including type, capacity, cost, and installation requirements.
Plumber in blue uniform working on a white water heater, using pliers.
September 30, 2025
Are you wondering if it’s time to replace your hot water heater? Learn the key signs, benefits, and cost factors to help you decide on the best upgrade option.
A drain cleaning machine with a cable inserted into a drain opening set in concrete.
August 4, 2025
Protect your home from plumbing problems and mold with expert drain cleaning—a smart way to prevent clogs, odors, and costly repairs.
Air conditioning unit outside a building with a brown deck and stairs.
July 7, 2025
A new AC unit is more than just a purchase; it's a multifaceted investment in your home's future. Keep reading to learn more!
Air conditioner unit on a bed of rocks next to a house.
June 6, 2025
If you’ve noticed any combination of these warning signs, it may be time to consider a new AC unit. Keep reading to learn more!
Person in gloves replacing an air filter in a furnace.
March 5, 2025
For your HVAC unit to last for years, you need to take good care of it. From air conditioning services to cleaning air filters, here are some tips to help you!
Outdoor air conditioning units lined up outside a brick building with windows.
February 3, 2025
When you're looking for air conditioning experts, it's important to ask them the right questions. Here are 10 great questions to ask before hiring.
Man in plaid shirt repairing a white water heater with a screwdriver, indoors.
January 20, 2025
Are you wondering why you should never attempt a DIY HVAC installation? Read the blog or contact our team to learn more!
Mobile generator on trailer, parked next to gray wall with electrical box and power cables.
December 2, 2024
Looking to install a generator in your home? Check out how generators can be used to make your home and family safer in times of need!
Show More

Frequently Asked Questions

  • What plumbing problems can you handle reliably in my home?

    We address just about any residential plumbing issue, from leaking pipes and dripping faucets to clogged drains and complete fixture replacements. Whether it’s a minor repair or a more complex problem involving your water supply or drainage system, we arrive with the right tools and training. As experienced plumbing contractors in Knoxville, TN, we aim to restore your plumbing quickly and correctly, preventing further issues before they escalate.

  • Do you work on older plumbing systems found in older or historic homes?

    Yes. Many homes in Knoxville were built decades ago, and outdated plumbing can present challenges such as corrosion, incompatible materials, or worn pipe joints. We have substantial experience with older systems, and our team evaluates existing conditions carefully. As dependable plumbing contractors in Knoxville, TN, we recommend solutions that preserve your home’s integrity while updating the plumbing for safety and reliability.

  • How can I tell if a leak or other issue needs professional plumbing service?

    Persistent dripping, damp spots, discoloration on walls or ceilings, increased water bills, or reduced water pressure are signs that something isn’t right. If you notice unusual odors, water backing up, or slow drainage in multiple fixtures, that’s another red flag. We encourage homeowners to contact us rather than attempting DIY fixes, since hidden damage can worsen over time. As reliable plumbing contractors in Knoxville, TN, we offer thorough inspections and honest assessments to keep your home protected.

  • Do you provide full-home plumbing inspections and maintenance?

    Yes. We recommend scheduling comprehensive plumbing inspections, especially if your home is older or if you are thinking of purchasing a property. Our inspection covers water supply lines, drain and sewer lines, fixtures, water heaters, and filtration systems. As proactive plumbing contractors in Knoxville, TN, we help homeowners detect early signs of wear or potential leaks, which often saves both money and hassle down the road. During these visits, we also check water pressure, evaluate the condition of shut-off valves, and look for corrosion or buildup that may affect long-term performance. Our goal is to give you a clear understanding of your plumbing system’s overall health so you can make informed decisions about maintenance and repairs.

  • Can you fix low water pressure problems throughout the house?

    Absolutely. Low water pressure can result from mineral buildup, partially closed valves, sediment in water lines, or main line problems. We diagnose the cause and perform the needed repair, whether that’s cleaning or replacing pipes, adjusting valves, or flushing out buildup. As experienced plumbing contractors in Knoxville, TN, we strive to restore proper water flow so your showers, faucets, and appliances perform correctly.

  • Do you install or replace plumbing fixtures like sinks, toilets, and showers?

    Yes. Whether you’re renovating or just need updated fixtures, we install sinks, faucets, toilets, tubs, showers — you name it. We ensure each fixture is properly sealed, connected, and tested. We’re familiar with homes of all styles and ages, and we carefully tailor each installation to fit your plumbing layout and structural needs. Our team also evaluates surrounding components such as shut-off valves, water lines, and drain connections to make sure everything functions smoothly after the upgrade. If a fixture requires additional support, updated piping, or adjustments to accommodate newer designs, we take care of those details as well. This approach helps ensure your new fixture works efficiently, looks great, and holds up for years to come.

  • How do you handle hidden leaks that might be behind walls or under flooring?

    We use professional detection methods when leaks are not visible, listening for water sounds, using moisture meters, or sometimes employing leak-detection tools or camera inspection. Once located, we carefully plan access and repair to minimize disruption and protect your home’s structure. We take care to leave your home with repairs done cleanly and thoroughly, addressing both the leak and any collateral damage like water stains or mold concerns.

  • Can you replace or upgrade aging or corrupted piping systems?

    Yes. When older pipes are corroded, leaking, or made of materials no longer recommended, we offer full repiping services or targeted section replacements. We help homeowners choose durable, code-compliant materials and perform the work with minimal disruption. We ensure new piping integrates seamlessly with fixtures and fixtures operate with optimal water flow and safety.

  • Do you help improve water quality, for example by installing filtration systems?

    Definitely. We understand many homeowners want clean, great-tasting, safe water throughout their home. We assess water conditions and recommend filtration solutions ranging from under-sink filters to whole-house filtration systems. Once installed, we test for quality and performance. As experienced plumbing contractors in Knoxville, TN, our goal is to provide plumbing services that not only fix issues but enhance your home’s water quality and overall comfort.

  • Do you provide emergency plumbing services if there’s a sudden major issue?

    Yes. We’re prepared to respond when urgent problems arise, such as burst pipes, sewage backups, major leaks, or water heater failures. Time is crucial in those situations to prevent water damage, mold, or structural issues. We offer prompt, professional response, working efficiently to restore service and help protect your home from further damage.