Tankless Water Heater
Installation in
Phoenix & Scottsdale
Free Quote in Minutes • Same Day Service • Next Day Installation
4.9 stars
535+ Google reviews
Family Owned
& Operated
AZ Licensed
ROC 335298
Family-owned
Honest-pricing
3-year Guarantee
Factory-certified
Servicing Arizona family's and homes since 1961.
Know the price, before the
work begins.
We guarantee our workmanship
for three full years.
Our installation crew are factory
certified and trained.
ARIZONA QUALIFIED
Gas Tankless Water Heater
Navien NPE-2 Series
-
Quick & unlimited hot water
-
15-Year factory warranty
-
Stainless-steel heat exchanger
-
Navien promotion - Save $1700
-
Promotion ends 11/30/2026
Did You know?
The Navien NPE-2 Series is the first tankless with a built-in buffer tank and recirculation pump—plus dual stainless steel heat exchangers that handle Arizona hard water better and come with a 15-year warranty.
QUALITY APPROVED
Electric Heat Pump Water Heater
Navien NWP 500 series
-
Stainless-steel tank
-
10-Year factory warranty
-
Lower your monthly bills
-
Save 76% energy savings
-
Choose 50 - 65 or 80 gallons
Did You know?
Navien’s NWP500 heat pump water heater delivers up to 4.05 UEF—3–4× more efficient than a standard electric tank—thanks to a durable stainless steel tank (no anode rod) and built-in Wi-Fi.
RECOMMENDED
Gas or Electric Water Heater
Bradford White Defender
-
6 or 10-year factory warranty
-
Microban® antimicrobial tank lining
-
Hydrojet® self cleaning
-
ICON System® self diagnose
Did You know?
Bradford White’s Defender combines the exclusive Hydrojet® system that fights sediment buildup for longer tank life with the ScreenLok® Defender Safety System that resists flammable vapor ignition—giving you both durability and peace of mind.
HEALTHY CHOICE
Water Filtration & Conditioning
Halo Water Filtration System
-
Protect your family & home
-
Choose the right filtration
-
Every faucet & shower
-
10-year factory warranty
-
Maintenance free
Did You know?
Halo’s whole-house system uses five filtration stages plus a salt-free magnetic ION conditioner that keeps hard-water minerals suspended—so it reduces chlorine, sediment, and scale on pipes and water heaters without salt, cartridges, or constant maintenance.
FAQ: Frequently Asked Questions
How does a tankless water heater work?
It heats water only when you turn on a faucet or shower. Cold water flows through a heat exchanger and is heated instantly on demand—no storage tank and no standby energy waste.
How much does a tankless water heater cost in Phoenix, Arizona?
Most Phoenix-area homes range from about $3,000–$6,000 installed, depending on unit size and any gas line or venting upgrades. We provide free, transparent quotes with up-front pricing before any work begins, plus financing and veteran/senior discounts.
Is a tankless water heater worth it for Arizona homes?
Yes for most homeowners who want continuous hot water and lower energy use. The DOE reports tankless units are typically up to 34% more efficient than traditional tanks, and they last longer, offsetting the higher upfront cost over time.
How long do tankless water heaters last in Arizona’s hard water
20+ years with annual descaling. Navien NPE-2 models include a 15-year heat exchanger warranty and dual stainless-steel exchangers that hold up better in hard water.
Do tankless water heaters work well with Arizona’s hard water?
Yes, with proper care. Annual descaling is essential. We recommend pairing the unit with ScaleRx or Halo filtration, and by choosing a stainless-steel model like Navien to resist scale.
Tankless vs. traditional tank water heater: which is better for Phoenix?
Tankless provides continuous hot water, higher efficiency, longer lifespan, and a smaller footprint. Tanks cost less upfront but use more energy and typically last only 8–12 years in Arizona hard water.
What size tankless water heater do I need?
It depends on your peak simultaneous demand (showers + fixtures) and local groundwater temperature. We size the correct unit during your free quote so you get reliable hot water without oversizing.
What maintenance does a tankless water heater need in Arizona?
Annual professional descaling to remove mineral scale. This protects efficiency, performance, and the manufacturer’s warranty. A scale-reduction system (ScaleRx or Halo) is strongly recommended.
Will a tankless water heater give me instant hot water?
It provides continuous hot water, but there can be a short wait as water travels through the pipes. Navien models with ComfortFlow® recirculation deliver near-instant hot water at the tap.
Why choose Tankless Pros Az and Navien for my Phoenix home?
Local family-owned since 1961, Navien certified specialists, 3-year workmanship guarantee, same-day service/next-day installs, free quotes, veteran & senior discounts, and financing. We also install hard-water solutions (Halo and ScaleRx).
"A Family Trade Since 1856"
Serving Arizona Since 1961
