From standard tank units to energy-efficient tankless and hybrid systems, Hawthorne Plumbing, Heating & Cooling has been installing water heaters across Reno and Las Vegas for decades. Our licensed plumbers provide honest recommendations, upfront pricing, and same-day water heater installation in most cases, backed by a 100% satisfaction guarantee and an A+ BBB rating.
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When it’s time to replace your old heater or install a new water heater, you need a licensed team that delivers expert workmanship, honest recommendations, and dependable service.
At Hawthorne Plumbing, Heating & Cooling, we’ve been providing water heater installation in Reno and Las Vegas for decades, helping homeowners and businesses enjoy reliable hot water, energy efficiency, and peace of mind. Don’t wait until your old heater fails. Contact us today.
Not sure if it’s time for a replacement? Our technicians will assess your existing unit and recommend the best solution, whether that’s water heater repair or a full replacement.
Signs you need a new heater include:
Inconsistent or no hot water
Rust-colored water or a metallic taste
Leaks or water pooling near the unit
Strange noises, like popping or banging, coming from the tank
Your unit is 10 years old or older
Ask about our energy-efficient and eco-friendly water heater options that qualify for rebates and incentives. Upgrading to the right water heater can:
Reduce energy bills
Deliver unlimited hot water (tankless)
Increase your home’s value
Lower your carbon footprint
We work with all major brands and models to ensure your new heater meets your budget and hot water needs. Our certified plumbers install every type of residential and commercial water heater.
A traditional tank water heater stores a set amount of hot water, typically 40 to 50 gallons for a residential system, ready to use whenever you need it. It’s an affordable, dependable option and usually the most budget-friendly to install.
A tankless water heater heats water on demand instead of storing it, which means no standby energy loss and, in many cases, a smaller footprint in your utility space. Depending on your household hot water demand, available space, and system compatibility, a tankless model may be the better fit; for a closer look at what’s involved in installing one, visit our tankless water heater installation page.
A hybrid or heat pump water heater uses electricity to move heat rather than generate it directly, which can significantly cut energy use compared to a standard electric water heater tank. It combines a small storage tank with heat pump technology for a middle-ground option between tank and tankless.
Restaurants, offices, and other high-demand facilities need a water heater sized and installed to handle heavier daily use. We install commercial units built for that kind of continuous demand.
A water heater installation involves electrical junction box wiring or gas connections, water and gas lines, and venting, all of which need to meet local building codes. Incorrect wiring or power wires can create a fire or electrical shock risk, and a poorly connected gas line can lead to gas leaks.
DIY installation might look like it saves money upfront, but a mistake can mean a failed inspection, a voided warranty, or a much more expensive repair down the road. Professional installation ensures the job is done to code the first time, with all the necessary tools and parts on hand for whatever the job requires.
Every installation looks a little different depending on the type of unit and your home’s existing setup, but our technicians follow the same careful installation process on every job.
We start by shutting off the power at the circuit breaker or gas supply and the cold water supply line to the old water heater. The old tank is drained completely, usually through a garden hose connected to the drain valve, before the old unit is fully disconnected and removed using an appliance dolly if needed.
The new heater is placed in a drain pan to help prevent water damage if a leak ever develops, and leveled before any connections are made.
We connect the water and gas lines, making sure the water lines are properly measured and secured, using flexible hoses and compression fittings in many cases for an easier reconnection later, and use Teflon tape on threaded fittings to help prevent leaks.
A manual shutoff valve and a 3/4” discharge pipe are installed for the temperature and pressure relief valve for proper drainage, and gas units are connected using approved gas-rated fittings with attention to proper venting and the pilot light.
For electric water heaters, we remove the access panel and install strain relief on the power wires entering the electrical junction box. We connect the ground wire to the green screw and ensure all wiring meets code and is secure to avoid electrical shock.
Once everything is connected, we open the cold water supply valve and a nearby hot water faucet so the tank can fill completely and let air escape before restoring power at the circuit breaker or turning on the gas and lighting the pilot light.
We let the water run briefly and check every connection for leaks, including gas leaks.
We test the unit for proper operation and confirm it is functioning correctly. We review basic maintenance with you, such as periodically flushing the tank to clear sediment buildup and setting the thermostat to 120°F for efficiency and safety.
We also advise periodic inspection of the sacrificial anode rod to help prevent tank corrosion before making sure everything meets local codes before we consider the job done.
Water heater installation touches your home’s electrical, gas, and water systems, which is exactly why it isn’t a job to take shortcuts on.
Before any work begins, we verify power or gas is fully shut off and confirm it with a non-contact circuit tester rather than assuming a breaker is labeled correctly. Gas connections are checked for gas leaks, and grounding is confirmed to meet code. Installers should also follow the manufacturer’s instructions and any printed instructions that come with the unit when making connections and startup checks.
Gas water heaters need proper ventilation to safely exhaust combustion byproducts, including carbon monoxide. For homes using gas heaters, install carbon monoxide detectors according to local recommendations.
We inspect the venting path during installation to make sure it provides adequate ventilation and meets current safety standards, and we recommend a professional inspection every year or two for gas units to keep it that way.
Every installation includes a temperature and pressure relief valve to help prevent tank pressure from building to unsafe levels. For homes using gas heaters, we also recommend installing carbon monoxide detectors according to local recommendations.
We verify your home’s water pressure falls within a safe range, generally between 50 and 60 PSI, since pressure that’s too high can shorten a water heater’s lifespan, and we inspect the venting for adequate ventilation and proper drainage.
A few factors influence what a water heater installation involves: the type of unit you choose, whether it’s a like-for-like replacement or a switch from tank to tankless, and whether any modifications to your existing water, gas, or electrical connections are needed.
That can include checking and connecting water pipes correctly so the new system runs efficiently and helps avoid future problems. Permits may also be required depending on your local building department, and the relief-valve discharge pipe must allow proper drainage to a safe termination point.
In general, installation can take anywhere from 2 to 6 hours depending on complexity. We’ll walk you through what your specific installation process involves and provide upfront pricing before any work begins, so there are no surprises.
Most standard water heater installations can be completed in 2 to 4 hours. Tankless water heater installations may take longer, depending on venting and any electrical or gas line upgrades needed. We work efficiently to restore your hot water the same day whenever possible.
Our licensed plumbers will recommend the right water heater option based on your budget and hot water usage. Tank water heaters are more affordable upfront and provide a steady hot water supply. Tankless water heaters are energy-efficient, take up less space, and provide endless hot water on demand.
Size depends on the number of people in your household and your hot water habits. A family of four typically needs a 50-gallon tank water heater or an appropriately sized tankless unit. We’ll help you choose the right size to meet your needs without wasting energy.
Most traditional water heaters last 8 to 12 years, while tankless units can last 20 years or more with proper maintenance. If your water heater is over 10 years old, leaking, or struggling to provide hot water, it may be time to replace it.
Yes. We install high-efficiency tank and tankless models that can reduce your energy costs and may qualify for rebates or tax incentives. Ask us about the latest ENERGY STAR rated water heaters available.
In most cases, yes. We offer same-day service in Reno, Las Vegas, and surrounding areas for water heater replacements. Call early in the day for the fastest service.
Absolutely. Water heater installation involves plumbing, electrical junction box wiring, and gas connections, and mistakes can cause leaks, flooding, gas leaks, or even safety hazards like electric shock or electrical shock. Our licensed and insured plumbers ensure your water heater is installed safely, up to code, and ready for years of reliable service.
Fill out the form below and a member of our team will reach out to schedule your service.
Give us a call today to schedule an appointment or to learn how we can help with your plumbing and HVAC needs.
4367 West Sunset Road, Suite B
Las Vegas, NV 89118
4690 Longley Lane, Suite 31
Reno, NV 89502
Service Available 24/7
Mon-Fri 7:30am - 5:00pm
Las Vegas: 702-369-8777
Reno: 775-857-3333
Hawthorne Plumbing, Heating & Cooling is a licensed contractor verified through the Nevada State Contractors Board. Our technicians are proud members of UA Local 525, the United Association of Plumbers & Pipefitters.