Tankless Water Heater Installation Services in Phoenix, AZ
Tankless water heaters, also known as on-demand systems, are a popular choice for homeowners looking for high efficiency, space savings, and endless hot water. If you are tired of running out of hot water or paying to heat a tank 24/7, a tankless unit might be the perfect solution.
Switching to Tankless Hot Water
Tankless systems heat water only when you need it, eliminating the standby energy loss of traditional tanks. We provide complete installation and conversion services, including:
- Sizing and selecting the right BTU/GPM unit for your family's needs.
- Safely removing and disposing of your old tank unit.
- Installing new venting and gas lines as required by the tankless system.
- Ensuring proper electrical and piping connections for peak performance.
- Converting traditional tank locations to space-saving wall-mounted units.
Industries We Serve
Liberty Plumbing partners with businesses and organizations across Arizona, including
Restaurants and food service
Retail stores and shopping centers
Office buildings and corporate facilities
Multi-family housing and apartment complexes
Schools, universities, and government buildings
Industrial and manufacturing facilities
No matter your industry, our commercial plumbers provide service you can rely on.



Why Choose Liberty Plumbing for Tankless Water Heater Installation?
We’re not just here to clear your drains – we’re here to keep your plumbing running strong for the long haul.
Fast response times with same-day service available
Licensed, bonded, and insured plumbers
Safe, effective tools that protect your pipes
Upfront, honest pricing with no hidden fees
Local expertise in Phoenix, Flagstaff, and Prescott
Is Tankless Right for Your Home?
While tankless systems offer significant benefits, they are not ideal for every home. We help you weigh the factors:
- Energy Efficiency: Tankless systems use up to 34% less energy than conventional storage heaters.
- Space Savings: They are compact and wall-mounted, freeing up valuable utility room or garage space.
- Lifespan: Tankless units often last 20 years or more, significantly longer than traditional tanks.
- Upfront Cost: The initial purchase and installation cost is higher than a conventional unit, but savings accumulate over time.
We provide honest advice to determine if the long-term benefits align with your budget and hot water habits.
What to Expect During Installation
Installing a tankless unit is a specialized job that differs greatly from standard tank installation. Our experts ensure every detail is handled correctly:
- Location Assessment: Confirming the venting and fuel source location is safe and compliant.
- Fuel Source Upgrade: Often, gas lines or electrical circuits need to be upgraded to handle the higher demand of the tankless unit.
- Venting Setup: Installing specific, specialized venting required for tankless exhaust.
- Final Testing: Testing the water flow and temperature settings to ensure immediate, endless hot water.
Schedule a Tankless Consultation
Ready to enjoy the benefits of endless hot water and energy savings?
Call Liberty Plumbing today to schedule a consultation. We will help you select the perfect tankless system for your home and provide an installation quote.