Tankless Water Heater Replacement in Norwich, CT
For efficient tankless water heater replacement in Norwich, CT, trust GLV Plumbing. We ensure your home has consistent hot water.
- Reliable Hot Water
- Licensed Gas Line Technicians
- Expert Plumbers
- Isolation Valves Installed Standard
Need a New Tankless Water Heater in Norwich, CT?
Contact us today for a free estimate and see the benefits of on-demand hot water.
Dependable Tankless Water Heater Replacement Services in Norwich, CT
GLV 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 neat, code-compliant install and a walkthrough of how to keep the heat exchanger healthy.
Our expertise includes:
- Condensing unit installs with PVC venting and condensate neutralizers
- Accurate sizing and model selection for your home.
- Gas line sizing and upsizing for 199,000 BTU tankless units

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

Customers
Why Choose GLV Plumbing for Tankless Water Heater Replacement in Norwich, CT?
Choosing the right plumbing partner for your tankless water heater replacement is key for long-term performance and peace of mind. We bring years of experience directly with these advanced systems.
- Increased Lifespan, Modern tankless water heaters often last twice as long as conventional tank models, offering a better long-term investment.
- Right-Sized Units, We calculate gallons per minute and temperature rise for your fixtures instead of guessing from square footage.
- Energy Savings, Tankless water heaters only heat water when you need it, which can noticeably reduce energy use compared to traditional tank models, a big plus for Connecticut utility bills.
Citywide Coverage
Whether your tankless sits on an exterior wall, in a garage or inside a utility closet, we cover all of Norwich with the same scheduling and pricing. Most replacements are scheduled within a day or two.
Experienced Team
When you choose GLV Plumbing, you get a team that knows the ins and outs of every major tankless brand. You can count on a precise and reliable installation for your home's requirements.
Safety-First Approach
Tankless heaters burn a lot of gas at full fire, so we pressure test gas connections and verify meter capacity before lighting the unit. Venting is installed and sealed to prevent carbon monoxide from entering living space.
Trusted Certified Norwich Plumbing Services Professionals
At GLV Plumbing, we take pride in providing certified plumbing services throughout Norwich, CT. 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 CertificationEfficient Tankless Water Heater Replacement Services in Norwich, CT
Residential Tankless Water Heater Replacement in Norwich
For homeowners in Norwich, upgrading to a tankless water heater offers significant benefits like endless hot water and reduced energy use. We assess your household's hot water demand to recommend the right sized unit, so you get strong performance. Our team handles everything from safely disconnecting your old unit to installing the new tankless system. That includes any needed gas and water line adjustments and venting changes to meet current codes.

Tankless vs. Tank Water Heater Replacement Cost in Norwich, CT
When considering tankless water heater replacement in Norwich, CT, 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 cost-effective 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.
Tank to Tankless Conversions in Norwich, CT
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. Plan for a conversion to take a full day.
Recirculation Tankless Upgrades in Norwich, CT
If you are tired of running the tap while you wait for hot water, a tankless with a built-in recirculation pump can bring heat to the fixture in seconds. Navien A series and Rinnai units with internal pumps can use a dedicated return line or a crossover valve under the farthest sink. We program schedules so the pump runs only during your morning and evening peaks. That keeps gas use in check while saving thousands of gallons of wasted water a year. This upgrade is a favorite in long single-story ranch homes.
Navien Tankless Water Heater Replacement in Norwich, CT
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 Norwich, CT, you can count on GLV Plumbing. We have extensive experience with Navien's advanced systems, including their combination boiler and water heater units. Our installation process focuses on dialing in your new Navien's performance, so you benefit from its energy-saving features and reliable hot water output.
Condensing Tankless Replacement in Norwich
Condensing tankless units like the Navien NPE series or Rinnai Sensei reach efficiencies above 90 percent by recovering heat from exhaust gases. They vent through low-cost PVC and produce acidic condensate that must be neutralized and drained properly. We install a neutralizer cartridge and route the condensate line to an approved drain. Seasonal swings from freezing winters to muggy summers expand and contract pipes, which can loosen aging joints over the years. Condensing units still save gas because they work year-round on showers, laundry and dishes. We explain the cost difference so you can decide if the efficiency gain is worth the price.
Like-for-Like Tankless Swaps in Norwich
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 fastest 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.

Tankless vs. Tank Water Heater Conversion in Norwich, CT
Considering converting from a traditional tank water heater to a tankless system in your Norwich, CT home? This is a common and worthwhile upgrade, but it requires specialized expertise. We handle the entire conversion, which can involve rerouting gas lines, upgrading electrical service, modifying water lines and installing new venting. Our team makes for a smooth transition, so you can enjoy the long-term benefits of a modern, efficient tankless system.
Tankless Water Heater Replacement Near Me in Norwich, CT
Do not compromise on your home's hot water supply. For dependable tankless water heater replacement near me in Norwich, choose GLV Plumbing. We provide upfront estimates, transparent communication and expert workmanship, making your upgrade to endless hot water a smooth and stress-free experience.
If you are searching for tankless water heater replacement near me in Norwich, CT, GLV 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 are known for quick response times and reliable service for all tankless installations.
GLV Plumbing at a Glance
- Licensed and insured plumbers serving Norwich, CT
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 946+ Connecticut customers
Norwich Map
Norwich Information
- Population
- 39,881
- Area codes
- 860/475/959
- Service area
- Norwich and communities within 40 miles
- Nearby
- Middletown, East Hartford, Hartford, Meriden
A large share of homes in Connecticut use private wells, which can be acidic or carry iron, manganese, or radon that call for treatment. Scale builds inside tankless heat exchangers over time, so a correctly sized replacement with flush valves helps protect homes in Norwich, CT from early failures.
Expert Services
Trust our professionals for reliable GLV Plumbing solutions in Norwich, CT.
Our Specialized Plumbing Services in Norwich, CT
At GLV Plumbing, we provide a complete range of plumbing services across Norwich, CT. 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 Process Works in Norwich, CT
We make sure every step, from initial consultation to final installation, is handled with professionalism and attention to detail.
Request a Quote
Call GLV Plumbing today at (860) 487-7330 to schedule an on-site evaluation for your tankless water heater replacement. Our team will discuss your hot water needs and provide a clear, transparent estimate.
Unit Selection
Based on your home's demands and existing setup, we will help you choose the right tankless water heater model. We consider factors like fuel type, flow rate and energy efficiency.
Expert Installation
Our licensed plumbers will expertly remove your old unit and install the new tankless water heater. We make sure all gas, water and vent connections meet Connecticut code requirements for safety and performance.
Frequently Asked Questions About Tankless Water Heater Replacement in Norwich
The cost for tankless water heater replacement in Norwich, CT usually ranges from $3,000 to $6,000, depending on the unit's brand, capacity, fuel type (gas or electric) and any needed changes to gas lines, electrical or venting. This estimate includes both the new unit and professional installation. We always provide a detailed quote upfront after assessing your needs.
A standard tankless water heater replacement, if you are upgrading from an existing tankless unit, usually takes 4 to 8 hours. If you are converting from a traditional tank water heater, the process can take longer, possibly a full day, due to additional plumbing, gas or electrical changes required for proper installation and venting.
GLV Plumbing installs and replaces all major trusted 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.
New tankless water heaters typically come with a manufacturer's warranty on the heat exchanger, usually 10 to 15 years, and on parts, usually 3 to 5 years. GLV 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.
Yes, tankless water heaters are usually more energy-efficient than traditional tank models. They only heat water on demand, eliminating the standby heat loss that comes with keeping a large tank of water hot. This can lead to real savings on your utility bills over time, particularly in homes with varying hot water usage.
Yes, you can certainly replace a traditional tank water heater with a tankless unit. This is a common upgrade for homeowners seeking better energy efficiency and endless hot water. However, it often requires changes to gas lines, venting and possibly electrical wiring, making professional installation essential for safety and performance.
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.
With proper installation and regular maintenance, a new tankless water heater typically lasts 20 to 25 years. This is significantly 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.
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 · Norwich, CT
Patricia H.
We had a slab leak that two other companies could not find. GLV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Norwich, CT
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 · Middletown, CT
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · New Britain, CT
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 · Norwich, CT
Mark T.
When our office needed drain cleaning, GLV Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · West Hartford, CT













