Water Heater Replacement
Water heater replacement for leaking, worn out or undersized tanks in Connecticut homes and businesses, with removal of the old unit and clean up.
Water Heater Replacement details
24/7 plumbing service
Tankless Water Heater Installation and Repair in Connecticut
A tankless water heater heats water as you use it, so the shower stays hot and the basement gets its corner back. We install, repair and descale tankless units across Connecticut.
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Upfront PricingQuote before work starts
Quick answer: It often is for households that want steady hot water and more basement space, and for homes with crowded utility areas. Connecticut winters bring very cold incoming water, so the unit must be sized correctly. Homes on hard well water need regular descaling. We look at your fixtures, water and setup and tell you plainly whether tankless fits your house before quoting.
A tankless water heater, also called an on demand heater, heats water only when a faucet or shower calls for it. There is no storage tank to keep hot all day, so the unit mounts on a wall and frees up floor space. When it is sized correctly, it delivers a steady supply of hot water for back to back showers. Fullerton Plumbing installs tankless water heaters, repairs units that throw error codes or deliver lukewarm water, and performs the descaling flush these heaters need on a regular schedule. We serve homes and businesses in all eight Connecticut counties.
Tankless is not the right fit for every home, and we will be straight with you about that. The unit has to be sized for how many fixtures run at the same time, and the house needs the right electrical or venting setup to support it. Hard water and well water can scale up the heat exchanger without regular maintenance. We look at your fixtures, your water and your space, explain what the installation involves, and give you an upfront quote before any work begins.
Know the warning signs
Signs a Tankless Water Heater Needs Service
- Hot water turns cold in the middle of a shower.
- The unit shows an error code on its display.
- Water temperature swings between hot and lukewarm.
- Hot water flow is weaker than it used to be.
- The heater has not been descaled in a long time and you have hard water.
- You are replacing a failed tank and want more space and steady hot water.
What is included
What Our Tankless Water Heaters Service Covers
- Tankless sizing based on your fixtures and usage
- New tankless water heater installation
- Service valves for easy future descaling
- Error code diagnosis and repair
- Descaling flush and inlet filter cleaning
- Upfront quote and clean up after the job
How it works
Our Tankless Water Heaters Process
Review Your Needs
We count the fixtures that run together, look at your water quality, and check the location and the electrical or venting setup. That tells us whether tankless fits your home and which size makes sense. You get the honest answer before any quote.
Plan and Quote
We explain what the installation involves, including water line changes, mounting, and any isolation valves for future descaling. You get an upfront quote for the complete job, and we compare it with a tank replacement if you want to weigh both choices.
Install or Repair
For new installs we mount the unit, connect the water lines and add service valves. For repairs we read the error code, clean the inlet filter, check flow sensors and test the unit, then replace failed parts once you approve the quote.
Descale and Test
On units with scale buildup we circulate a descaling solution through the heat exchanger to restore performance. We finish by running multiple fixtures to confirm steady temperature, check every connection for leaks, and clean up the work area.
Connecticut plumbing
Tankless Water Heaters in Connecticut Homes
Space is a real reason Connecticut homeowners look at tankless water heaters. In older colonials, Victorians and three family houses, basements are often cramped, low and shared with a sump pit, laundry and storage. In condos and townhouses in places like Stamford, Norwalk and West Hartford, the water heater may sit in a closet. A wall mounted tankless unit frees that floor and removes a large tank that could someday leak onto finished space. Winter also matters: incoming water in January is very cold, so the unit has to be sized for a larger temperature rise than in warmer states.
Water quality is the other half of the decision. Many homes outside the cities, from Litchfield County through the Quiet Corner and in Fairfield County towns like Redding and Easton, rely on private wells with hard or mineral heavy water. That water scales up a tankless heat exchanger faster, which shows up as lower flow and temperature swings. Regular descaling keeps a tankless unit working well, and we set every installation up with service valves so that maintenance stays simple.
Pricing
What Affects the Cost of a Tankless Water Heater
Tankless water heater cost depends on the unit size, the type of heater and what changes the house needs to support it. A home that needs only water line work at the mounting spot is simpler than one that needs electrical upgrades or new venting. Replacing a tank with tankless usually involves more work than swapping tank for tank. Repairs depend on the part that failed, and descaling depends on how much buildup is inside. We give you an upfront quote before any work starts.
Call (518) 776-7838 for an upfront quote. We answer 24/7 and explain the price before any work starts.
Real photos from our jobs
Recent Plumbing Jobs
No stock photos here. These are our own technicians, our own equipment and real repairs.
Local service
Tankless Water Heaters Near You
We provide tankless water heaters across all eight Connecticut counties.
FAQ
Tankless Water Heaters Questions, Answered
It often is for households that want steady hot water and more basement space, and for homes with crowded utility areas. Connecticut winters bring very cold incoming water, so the unit must be sized correctly. Homes on hard well water need regular descaling. We look at your fixtures, water and setup and tell you plainly whether tankless fits your house before quoting.
Common causes are scale buildup in the heat exchanger, a clogged inlet filter, too many fixtures running at once for the unit size, or a failing flow sensor. Sometimes the cause is simply a flow rate too low to trigger the heater. We check the error history, clean the filter, test the sensors and quote any repair before we make it.
It depends on your water. Homes on hard water or private wells usually need it more often than homes on softer town water. Signs it is overdue include weaker hot water flow, temperature swings and scale related error codes. We descale through service valves and can tell you a sensible schedule based on what we see inside your unit.
Yes, if it is sized for how many showers, sinks and appliances run at the same time. An undersized unit struggles when two showers and the dishwasher run together, especially in winter. We count your fixtures, factor in cold Connecticut incoming water and recommend a unit that keeps up. Very large homes sometimes use two units.
Yes. We diagnose and repair tankless water heaters regardless of who put them in. We read the error code, inspect the inlet filter, check flow and temperature sensors and look for scale. You get an explanation of what failed and an upfront quote before any repair work begins, and we clean up when we finish.
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Fast help for any clogged or stopped up drain in Connecticut, from one slow sink to a backup across the whole house.
Clogged Drain Repair detailsNeed tankless water heaters today?
We answer 24 hours a day, 7 days a week. Call and talk to a real person, or request service online and we will call you back.