Long Island service
Water Heaters & Tankless Conversions
Tank repair, tank replacement, and tankless conversions for Long Island homes and businesses. Choose a scope that fits your hot-water demand, not just the space occupied by the old unit.
Start with the hot water your property needs
A water heater decision starts with how you use hot water. Tell us about showers, laundry, kitchen use, and times when several fixtures run together. Also describe the current problem: no hot water, inconsistent temperature, a visible leak, or a unit that struggles to keep up. Those symptoms do not all point to the same remedy, and replacing a tank without reviewing demand can leave the original frustration unresolved.
For a business, explain the equipment and activities that rely on hot water, not just the number of people in the building. Existing gas or electric supply, venting, location, and access shape the practical options. Our residential and commercial pages already include water heater service; this guide helps you prepare the right questions before choosing repair, a replacement tank, or a tankless conversion.
Tank repair and replacement
A storage tank keeps a supply of heated water ready for use. When performance changes, the condition of the unit and the source of the symptom need to be assessed before a repair scope is chosen. A leak around the equipment may come from a connection or from the tank itself. Do not assume that turning the temperature up fixes a loss of hot water, and do not handle gas or electrical components yourself.
For replacement, ask how the proposed tank matches household demand and how installation requirements affect the scope. Gas and electric models have different supply considerations. Space, safe access, piping, and the existing vent arrangement can influence the work. You should understand what is being replaced, what supporting changes are included, and what the agreed price covers before installation begins.
What a tankless conversion involves
A tankless unit heats water as it is needed rather than storing a full tank. Moving from a tank to tankless is not simply swapping two boxes. Supply capacity, venting, location, and the hot-water demand at the same time all need review. Our existing service offering includes tankless conversions with properly sized gas supply and venting; those installation details belong in the written scope.
Tell us whether your priority is a particular room, simultaneous showers, space around the current tank, or changing the way the property uses hot water. Ask about the proposed installation and maintenance requirements rather than expecting a universal result from the word tankless. A properly scoped comparison can explain the practical differences without inventing energy savings, promising unlimited output under every condition, or guessing at the cost.
Leaks, safety, and planning the visit
If water is actively leaking, call and describe where it is coming from. Keep clear of wet electrical equipment and avoid entering standing water near powered appliances. Do not remove covers, disturb vent piping, or try to repair a gas connection. If you suspect a gas leak, leave the affected area and contact emergency services or your gas utility from a safe location before arranging plumbing service.
For a planned visit, photographs of the unit, surrounding connections, and access can be helpful if taken safely. A free video estimate can start the discussion without a truck roll. Video estimates are preliminary. Final pricing is confirmed in writing after on-site verification of conditions, access, and code requirements. An active leak should not wait for a scheduled video call; our emergency line is available 24/7.
Price approval and qualifying installation warranty
We provide flat-rate, upfront pricing for the agreed work, with phone quote approval available before the job starts. Qualifying water heater installations carry our 2-Year Labor Warranty. This is labor coverage, not a claim that every part is covered. The estimate confirms the applicable warranty details in writing so you can understand the installation and the coverage together.
Seven Service Pros serves Nassau and Suffolk County, with our shop at 36 Gazza Blvd, Farmingdale, NY 11735. Call or text to discuss your current water heater, or use the request-service form for a planned replacement or conversion. If other plumbing problems are part of the project, our plumbing and residential service pages explain related work so the whole scope can be discussed before dispatch.
Your questions, answered
Do you replace both gas and electric tanks?
Yes. Our residential services include gas and electric water heater repair and replacement, sized to the property’s hot-water demand.
Is a tankless conversion just a direct swap?
Not necessarily. Demand, supply capacity, venting, location, and access need review before a conversion scope is confirmed.
Does the 2-Year Labor Warranty apply to water heaters?
Qualifying water heater installations carry a 2-Year Labor Warranty on labor. Coverage details are confirmed in writing on the estimate; parts coverage is not advertised as included.
Can I request a free video estimate?
Yes. Video estimates are preliminary. Final pricing is confirmed in writing after on-site verification of conditions, access, and code requirements.
What if my water heater is leaking right now?
Call our 24/7 emergency line. Stay clear of wet electrical equipment and do not attempt gas or electrical repairs yourself.
Tell us what you need
Call or text 631-933-1790. Serving all of Nassau and Suffolk County, with flat-rate pricing before work begins.