Expert installation, repair, and replacement for HTP water heaters across Suffolk and Nassau County, backed by 24/7 emergency service.
Domino Fuel installs, repairs, and replaces HTP water heaters across Long Island. Our licensed plumbers service every HTP model, size it right for your home, and back every job with a free estimate and 24/7 emergency service.
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HTP is one of the water heater brands we proudly install and service across Long Island. Our licensed plumbers know HTP systems inside and out, from quick repairs to full replacements and upgrades.
Browse all the water heater brands we carry, or see the rest of our plumbing services.
HTP (Heat Transfer Products) builds high-efficiency, stainless steel water heaters and combination appliances. The lineup includes the Phoenix condensing gas tank, Everlast electric tanks, the Crossover floor model, and Hydra Smart tankless units.
HTP water heater highlights:
Here is roughly what a new water heater costs to install, using current national averages. HTP offers efficient storage tank water heaters (and more), shown against tankless below for comparison.
| Water heater type | Typical installed cost (U.S. average) |
|---|---|
| Tank water heater (installed) | $882 - $1,817 |
| Tankless water heater (installed) | $1,405 - $3,899 |
Per HomeAdvisor and Angi (2026): tank water heaters average about $1,340 (roughly $600 to $2,500 by size), and tankless units average about $2,637. Gas line, venting, electrical, and old-unit removal affect the final price.
Want your exact number? Costs vary by model and your setup, so we never guess. Get a free estimate for your exact HTP water heater price, with no obligation.
Here is a quick look at the main HTP water heater models we install and service on Long Island, so you can compare type, fuel, and capacity at a glance.
| Model / Series | Type | Fuel | Efficiency / Capacity | Best For |
|---|---|---|---|---|
| Phoenix | Tank (condensing gas) | Natural gas / propane | High-efficiency, stainless tank | High-demand homes, durable stainless |
| Everlast | Tank (electric) | Electric | Stainless, long warranty | Corrosion-resistant electric hot water |
| Crossover | Hybrid tank / continuous (floor) | Natural gas / propane | 50-gal flow + continuous | Tank capacity with tankless-style flow |
| Hydra Smart | Tankless | Natural gas / propane | Stainless internals | Endless hot water, smart controls |
Figures are manufacturer ratings. HTP specializes in stainless steel water heaters and combination appliances.
Every HTP water heater we install is sized for your home, with the right first-hour rating and capacity for your household, and set up to code with a temperature-and-pressure relief valve, expansion tank where required, proper venting, and a clean fuel or electrical connection.
We pull permits, haul away the old unit, and make sure you have safe, reliable hot water before we leave. See our full water heater installation guide or browse all water heater brands.
No hot water, leaks, strange noises, or discolored water? Our licensed technicians diagnose and repair HTP water heaters fast, with 24/7 emergency service across Suffolk and Nassau County. We carry common parts so most repairs are done in one visit.
Routine maintenance, flushing sediment or descaling, checking the anode rod, and testing the relief valve, keeps your water heater efficient and extends its life. See our water heater repair page.
When a water heater is leaking from the tank, rusting, or beyond economical repair, we make replacement simple. We will tell you honestly whether to repair or replace, and help you decide between a standard tank, a high-efficiency or heat-pump model, or going tankless for endless hot water.
We handle removal and disposal, any venting, gas, or electrical changes, and available rebates, all with a free estimate up front. See our water heater replacement page, or compare tankless options.
Catching these early usually means a smaller, cheaper fix. Call us if your HTP water heater shows any of the following:
Repair is not always the smart money. It is usually time to replace your water heater when you see:
We stock or quickly source the parts that wear out most on HTP water heaters, so repairs and tune-ups stay fast:
Not sure what your water heater needs? Contact us or call (631) 779-3196 and we will diagnose it for you.
Not sure which brand fits your home? Explore the other water heater brands we install and service across Long Island.
Common questions about this water heater brand on Long Island.
Yes. Our licensed technicians repair all HTP water heaters across Suffolk and Nassau County, including 24/7 emergency service.
Yes. We install and replace HTP water heaters, sized for your household and installed to code, with a free estimate up front.
A storage tank typically lasts 8 to 12 years and a tankless unit about 20 years with maintenance. We will give you an honest repair-or-replace recommendation and a free estimate.
It depends on your hot-water demand, space, and budget. Tankless costs more up front but saves energy and never runs out; we will help you choose and give you a free estimate.
Yes. We install and service both tank and tankless models where the manufacturer offers them, and we will help you choose the right type and size for your home.
It depends on the type, size, and your home's setup, so we give you a clear quote before any work. The estimate is free and there is no obligation.
Get a free, no-obligation quote from your local Long Island water heater experts.
