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Navien Gas Tankless | Tankless Pros Az | Phoenix, Az
Navien Gas Tankless

Why Choose a Navien Gas Tankless Water Heater for Your Arizona Home, Family, and Budget
Arizona’s desert climate, hard water, and year-round hot water demands make a high-quality tankless system like Navien one of the smartest upgrades for Valley families. Here’s why Navien stands out for Phoenix, Scottsdale, Peoria, Glendale, Sun City, and the surrounding areas.
Perfect for Arizona’s Harsh Conditions
Arizona’s water is notoriously hard (often 10–20+ grains per gallon in the Phoenix metro area), which causes scale buildup that shortens the life of traditional tanks and many tankless units. Navien’s dual stainless steel heat exchangers resist corrosion and mineral buildup far better than copper alternatives, helping the unit last 20–25+ years with proper annual maintenance (like descaling, which is standard in AZ).
Our warm groundwater temperatures (especially in summer) also boost efficiency—Navien units don’t have to work as hard to heat incoming water. Outdoor-rated models are ideal for Arizona’s mild winters, saving indoor space while performing reliably.
Endless Hot Water for Your Family
Say goodbye to cold showers during busy mornings or when the kids are getting ready. Navien’s high flow rates (up to 11+ GPM on larger models like the NPE-240A2) support multiple showers, laundry, dishes, and more simultaneously, perfect for growing families or multi-bath homes.
ComfortFlow® technology (available on A2 series models) includes a built-in recirculation pump and buffer tank that delivers hot water almost instantly, eliminating the “cold water sandwich” effect. Wi-Fi-enabled controls (NaviLink) let you adjust temperatures or monitor the system from your phone—great for busy households.
Better for Your Home
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Space-saving design: Wall-mounted and compact—frees up 80%+ of the floor space taken by a bulky tank. Ideal for garages, closets, or tight utility areas common in Arizona homes.
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Reliability and longevity: No risk of tank leaks or ruptures that can cause major water damage. Navien’s condensing technology and durable build handle AZ’s temperature swings and dust.
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Quiet and efficient operation: Low NOx emissions and advanced venting (including easy PVC options) make installation cleaner and more flexible.
Smart Choice for Your Budget
While the upfront investment is higher than a traditional tank, Navien pays for itself over time:
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Energy savings: Up to 0.96–0.97 Uniform Energy Factor (UEF)—among the highest in the industry. Expect 20–40% lower utility bills by eliminating standby heat loss (not constantly reheating a full tank).
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Lower long-term costs: Longer lifespan means fewer replacements. Annual maintenance (descaling + optional water softener/filter like Halo or Scale-RX) keeps it running efficiently and protects your warranty.
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Water conservation: Faster hot water delivery reduces waste—important in Arizona’s drought-prone environment.
Why Navien Specifically?
Navien leads in condensing tankless technology with strong local support, excellent warranties (15 years on heat exchangers), and features tailored for high-demand homes. As a specialized installer, we’ve seen these units deliver reliable performance across the Valley for years.
Ready for endless hot water, lower bills, and peace of mind? Contact Tankless Pros AZ today for a free quote on a Navien system sized for your home. Same-day service and next-day installs are often available—serving all of Maricopa County with veteran/senior discounts and financing options.
Navien: Chosen for Arizona families who want performance, efficiency, and value that lasts.
NPE-S2 SERIES
*Non- Recirculation
NPE-150S2 (*Non-Recirculating, Standard Hot Water Delivery)
Recommended 1-Bath Home
Energy Factor 0.93 (Energy Star)
120,000 BTU/H
6.8 Gallons Per Minute Maximum Output
Natural gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
NPE-180S2 (*Non-Recirculating, Standard Hot Water Delivery)
Recommended 2-Bath Home
Energy Factor 0.96 (Energy Star)
150,000 BTU/H
8.4 Gallons Per Minute Maximum Output
Natural Gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
NPE-210S2 (*Non-Recirculating, Standard Hot Water Delivery)
Recommended 3-Bath Home
Energy Factor 0.96 (Energy Star)
180,000 BTU/H
10.1 Gallons Per Minute Maximum Output
Natural Gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
NPE-240S2 (*Non-Recirculating, Standard Hot Water Delivery)
Recommended 4-5 Bath Home
Energy Factor 0.96 (Energy Star)
199,900 BTU/H
11.2 Gallons Per Minute Maximum Output
Natural Gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
NPE-A2 SERIES
*With Hot Water Recirculation
NPE-180A2 (*Recirculating, ComfortFlow® Much Faster Hot Water Delivery)
Recommended 1 or 2 Bath Home
Energy Factor 0.95 (Energy Star)
150,000 BTU/H
8.4 Gallons Per Minute Maximum Output
Natural Gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
Recirc. Pump with 1-gallon Buffer Tank
NPE-210A2 (*Recirculating, ComfortFlow® Much Faster Hot Water Delivery)
Recommended 3 Bath Home
Energy Factor 0.95 (Energy Star)
180,000 BTU/H
10.1 Gallons Per Minute Maximum Output
Natural Gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
Recirc. Pump with 1-Gallon Buffer Tank
NPE-240A2 (*Recirculating, ComfortFlow® Much Faster Hot Water Delivery)
Recommended 4 or 5 Bath Home
Energy Factor 0.95 (Energy Star)
199,900 BTU/H
11.2 Gallons Per Minute Maximum Output
Natural Gas / Propane
Warranty 15-Year heat-Exc, 5-Parts
Recirc. Pump with 1-gallon Buffer Tank
Navien Gas Tankless Water Heaters
Premium efficiency condensing gas technology tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in the Phoenix, Arizona areas. The NPE-2 series offers industry-leading efficiency up to 0.96 UEF/H to keep your utility bills low and endless hot water. Hence, you never have a cold shower and optional exclusive ComfortFlow® technology with built-in hot water recirculation that eliminates water waste (NPE-A2 series).

Navien NPE 240A2 with Halo 5
Whole House Water Filtration

Navie NPE 240 A2 Cascading

