Tankless Water Heater Replacement in South Burlington, VT
Switch to endless hot water with a new tankless water heater in South Burlington, VT. CKV Plumbing provides professional replacement services.
- Manufacturer Warranty Registration
- Quick Tankless Installation
- Experienced, Licensed Plumbers
- Reliable Hot Water
Professional Tankless Water Heater Replacement in South Burlington, VT.
Call CKV Plumbing today for a free estimate on your tankless water heater replacement.
Reliable Tankless Water Heater Replacement for South Burlington, VT Homes
CKV Plumbing handles every part of a tankless swap, including removing the old unit, upgrading the gas line if needed, installing new concentric or PVC venting and adding service valves for annual flushing. You get a clean, code-compliant install and a walkthrough of how to keep the heat exchanger in good shape.
Our expertise includes:
- Correct sizing and model selection for your home.
- Condensing unit installs with PVC venting and condensate neutralizers
- Gas line sizing and upsizing for 199,000 BTU tankless units

Additional Plumbing Replacement Services in South Burlington, VT
When repairs are no longer enough, our replacement services in South Burlington, VT deliver durable upgrades that restore full performance.

Customers
Why Choose CKV Plumbing for Tankless Water Heater Replacement in South Burlington, VT?
Choosing the right professionals for tankless water heater replacement is essential for long-term satisfaction and efficiency. Our team makes sure your new system runs right from day one, providing endless hot water.
- Clean Venting, We route venting to meet manufacturer clearances from windows, doors and roof edges.
- Longer Lifespan, Tankless water heaters usually last longer than conventional tank units, often up to 20 years with proper maintenance, giving you better long-term value.
- Increased Lifespan, Modern tankless water heaters often last twice as long as conventional tank models, offering a better long-term investment.
Citywide Coverage
We understand the demands of South Burlington homes and are equipped to handle tankless water heater replacements efficiently. Residents across the whole area have access to our expert plumbing services.
Experienced Team
Our technicians have pulled and replaced tankless units from Rinnai, Navien, Noritz, Takagi and Rheem, so they know the quirks of each brand's error codes and mounting brackets. They also know which older units can be matched to existing venting and which need new runs.
Safety-First Approach
Safety and code compliance come first in every tankless water heater replacement we perform. Our installations follow all Vermont and local South Burlington plumbing and gas codes, so your system runs safely and efficiently.
Trusted Certified South Burlington Plumbing Services Professionals
At CKV Plumbing, we take pride in providing licensed, certified plumbing services throughout South Burlington, VT. Backed by leading industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationDependable Tankless Water Heater Replacement Services in South Burlington, VT
Gas Tankless Water Heater Replacement in South Burlington
Many homes in South Burlington rely on natural gas for water heating, and gas tankless units are a very efficient option. Our gas tankless water heater replacement service includes careful inspection of your existing gas lines, proper sizing of new gas lines if needed, and secure venting to the outdoors. We prioritize safety. All gas connections and combustion air requirements meet Vermont and local codes, preventing potential hazards and maximizing efficiency.

Like-for-Like Tankless Swaps in South Burlington
When your existing tankless has a cracked heat exchanger or a failed control board that is not worth repairing, a direct replacement is often the quickest fix. We match the new unit to your current gas line, venting type and mounting location whenever possible. Many Rinnai and Navien models share similar footprints, which keeps wall patching to a minimum. We also replace the old service valves if they are corroded or seized. Most like-for-like swaps are finished in four to six hours.
Rinnai Tankless Water Heater Replacement in South Burlington
Rinnai is a leading brand in the tankless water heater market, known for its quality and innovation. If your Rinnai unit is aging or malfunctioning, CKV Plumbing provides expert Rinnai tankless water heater replacement in South Burlington. We make sure your new Rinnai unit is installed correctly, maximizing its efficiency and lifespan. Our technicians are familiar with the installation requirements and venting options for Rinnai models, so the upgrade goes cleanly.
Electric Tankless Water Heater Replacement in South Burlington, VT
For properties without natural gas access or those looking for an all-electric solution, electric tankless water heaters are a viable choice. CKV Plumbing offers electric tankless water heater replacement services in South Burlington, VT. This often involves close assessment of your home's electrical panel capacity, as these units require substantial amperage. We make sure your new electric tankless unit is installed safely and correctly, providing on-demand hot water without the need for gas lines.
Tank to Tankless Conversions in South Burlington, VT
Converting from a 40 or 50 gallon tank to tankless frees up floor space and ends standby heat loss in a garage or closet. The catch is that tankless units often need a larger gas line, often three quarter inch or bigger, plus new venting. We check your meter size and pipe run before quoting so there are no surprises mid-job. We also cap or reroute the old flue and seal the roof penetration if it is no longer used. Expect a conversion to take a full day.
Emergency Tankless Water Heater Replacement in South Burlington
A sudden tankless water heater failure can leave your South Burlington home without hot water, which is a serious inconvenience. CKV Plumbing offers emergency tankless water heater replacement to restore your hot water quickly. We prioritize urgent situations, working to diagnose the issue and, if replacement is necessary, get a new unit installed as soon as possible. Our goal is to cut down your downtime and get your home back to normal with reliable hot water.
Navien Tankless Water Heater Replacement in South Burlington, VT
Navien tankless water heaters are popular for their condensing technology, offering high efficiency and performance. When it is time for a Navien tankless water heater replacement in South Burlington, VT, you can count on CKV Plumbing. We have extensive experience with Navien's advanced systems, including their combination boiler and water heater units. Our installation process focuses on optimizing your new Navien's performance, so you benefit from its energy-saving features and reliable hot water output.

Tankless vs. Tank Water Heater Replacement Cost in South Burlington, VT
When considering tankless water heater replacement in South Burlington, VT, it is natural to compare costs. While the initial installation of a tankless unit can be higher than a traditional tank, the long-term energy savings and longer lifespan often make it the more economical choice. We provide honest, upfront pricing for both options. That helps you make an informed decision based on your budget and hot water needs, with no surprises.
Tankless Water Heater Replacement Near Me in South Burlington, VT
If you are searching for tankless water heater replacement near me in South Burlington, VT, CKV Plumbing is your local expert. Our service area covers the whole region, so a professional plumber is always close by when you need a new, efficient hot water solution. We pride ourselves on quick response times and reliable service for all tankless installations.
When your tankless unit needs replacing, you want a trusted local company. We aim to be the go-to choice for tankless water heater replacement near me in South Burlington, offering reliable solutions and upfront pricing to our neighbors throughout the community.
CKV Plumbing at a Glance
- Fully licensed plumbing team covering South Burlington, VT
- 24/7 emergency service with same-day scheduling
- Clear written estimates, no hidden fees
- 4.8-star rated by 553+ Vermont customers
South Burlington Map
South Burlington Information
- Population
- 21,043
- Area codes
- Local
- Service area
- South Burlington and communities within 40 miles
- Nearby
- Shelburne, Winooski, Burlington, Essex Junction
Town water systems in South Burlington and other communities are generally reliable, but older service lines can add sediment and discolored water. Scale builds inside tankless heat exchangers over time, so a properly sized replacement with flush valves helps protect homes in South Burlington, VT from early failures.
Expert Services
Trust our professionals for reliable CKV Plumbing solutions in South Burlington, VT.
Our Specialized Plumbing Services in South Burlington, VT
At CKV Plumbing, we provide a complete range of plumbing services across South Burlington, VT. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Tankless Water Heater Replacement Service Works in South Burlington, VT
Replacing a tankless heater takes planning around gas, venting and water. Here is how we keep it simple.
Request a Quote
Contact CKV Plumbing today at (802) 209-5139 to schedule an on-site evaluation for your tankless water heater replacement. Our team will discuss your hot water needs and provide a detailed, transparent estimate.
Unit Selection
Based on your home's demands and existing setup, we will help you choose the ideal tankless water heater model. We consider factors like fuel type, flow rate and energy efficiency.
Expert Installation
Our licensed plumbers will carefully remove your old unit and install the new tankless water heater. We make sure all gas, water and vent connections meet Vermont code requirements for safety and performance.
Frequently Asked Questions About Tankless Water Heater Replacement in South Burlington
A like-for-like gas tankless replacement usually runs $2,800 to $4,500 installed, depending on the brand and venting. Converting from a tank to tankless often costs $4,000 to $6,500 because of gas line and venting upgrades. We give you a written quote before any work starts.
CKV Plumbing installs and replaces all major reputable brands of tankless water heaters. Our preferred brands include Rinnai, Navien, Noritz and Rheem, as they are known for their reliability, energy efficiency and long-term performance. We can also order and install other brands based on your preference or home requirements.
Often yes, especially when converting from a tank. Many tankless units need three quarter inch gas pipe and a meter that can supply 199,000 BTU on top of your furnace, range and dryer.
New tankless water heaters usually come with a manufacturer's warranty on the heat exchanger, usually 10 to 15 years, and on parts, usually 3 to 5 years. CKV Plumbing also provides a warranty on our installation workmanship. We will go over all warranty details with you before your replacement so you understand your coverage.
With proper installation and regular maintenance, a new tankless water heater typically lasts 20 to 25 years. This is much longer than traditional tank water heaters, which usually last 10 to 15 years. Regular flushing and descaling can help extend the life of your tankless unit, especially in hard water areas.
Yes, in most areas of South Burlington and Vermont, a permit is required for tankless water heater replacement, especially if it involves gas line changes or major electrical work. Our team at CKV Plumbing will handle all necessary permitting so your installation is fully compliant with local building codes and safety regulations.
To extend the life and efficiency of your new tankless water heater, regular maintenance is key, especially in areas with hard water. This usually involves annual flushing to remove mineral buildup, checking the air filter, and inspecting gas and water connections. CKV Plumbing offers maintenance plans to help keep your unit in top condition.
Common signs that your tankless water heater needs replacement include repeated error codes, inconsistent water temperature, reduced hot water flow or a complete lack of hot water. If your unit is over 15 to 20 years old and repairs are becoming frequent and costly, replacement is often the more economical choice.
What People Are Saying About Our Plumbing Experts?

Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Winooski, VT
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Shelburne, VT
James P.
Our commercial plumbing system had a leak under the sink, and CKV Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Burlington, VT
Mark T.
When our office needed drain cleaning, CKV Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Shelburne, VT
Patricia H.
We had a slab leak that two other companies could not find. CKV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Burlington, VT
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Burlington, VT













