

If your old water heater struggles to keep up or takes up too much space, it may be time for an upgrade. Alexander Services provides expert tankless water heater installation in Apex, NC, delivering energy efficiency and endless hot water for your home.
Our licensed plumbers install gas and electric tankless systems from top brands with precision and care.

Save 10% on Your Repairs!
Check Out Our Preferred Service Membership for All of its great benefits!
Tankless water heaters heat water only when you need it, eliminating standby energy loss from traditional tank systems. Our technicians size and install the right system for your home, ensuring proper gas flow, venting, and water pressure.
With a tankless system, you will never run out of hot water again. The compact design saves space, reduces energy use, and provides consistent water temperature throughout your home. Tankless heaters also have longer lifespans, require less maintenance, and qualify for potential energy rebates.
Every home’s needs are different. We help you select a unit based on your family’s water usage, available fuel type, and budget. Our experts explain all options clearly and install the system with precision for safe and reliable performance.
Routine maintenance prevents scale buildup and protects your investment. We recommend professional flushing once a year and installing a water softener if you have hard water. Keeping air intake and exhaust vents free of dust and debris ensures your unit operates safely and efficiently.
Our technicians provide full maintenance services for optimal system life, maximizing energy efficiency and reducing the risk of unexpected repairs. Regular care helps your tankless water heater deliver continuous hot water for years to come.
Our installation process ensures your new system is safe, efficient, and fully optimized for your household needs. We follow local building codes and manufacturer specifications to guarantee top performance.
We begin with a detailed evaluation of your existing setup, including gas line capacity, venting requirements, and water pressure. Any needed upgrades are completed before installation to ensure your system operates properly from day one.
Our plumbers remove your old unit, install your new tankless heater, and perform complete testing. We verify correct operation, temperature accuracy, and safety compliance before explaining maintenance steps for long-term reliability.
Ready to solve your plumbing problem or request your exact-time appointment?
Contact Alexander Services today at
919-886-4822.

Please Fill Out the Form Below to
Schedule a Service Appointment
Rheem tankless models are known for their advanced energy efficiency, compact design, and reliable performance. They feature precise temperature control and durable construction, making them ideal for homes seeking steady hot water and lower utility bills.
Rinnai offers powerful, whole-house solutions with high flow rates and rapid heating. Their tankless systems are recognized for longevity, smart Wi-Fi connectivity, and versatile installation options to suit any space.
Navien combines condensate technology with eco-friendly operation for top-tier efficiency and reduced emissions. These units are especially great for large households that need continuous, on-demand hot water with minimal energy waste.
Noritz models deliver flexible venting, compact wall-mount options, and impressive output even in cold climates. With user-friendly controls and robust warranties, Noritz tankless heaters are designed for easy maintenance and dependable daily function.
Choose Alexander Services for your water heater needs and benefit from experienced, licensed technicians who deliver fast, reliable solutions tailored to your home or business. We offer exceptional customer service, honest pricing, and same-day appointments to ensure your comfort and satisfaction every time.
FREE Diagnostics
with service or repair
Same-Day Service
is always our goal!
“Exact Time” Appointments
No time-windows. You’ll know exactly when we’ll be at your home
Upfront Pricing
No hourly charges, no hidden fees, no sales pressure – just honest repair and service.
Award-Winning Service
We have over a dozen awards for Service Excellence
Local Family Owned
in business since 2012
Yes, most traditional tank water heaters can be replaced with a tankless unit. Our technicians will assess your home’s existing plumbing, gas, or electrical setup and make any necessary modifications to ensure a smooth installation.
Installation generally takes about one day, though the exact time depends on your home’s infrastructure and any updates needed for venting, gas lines, or electrical connections. We work efficiently to minimize disruption to your routine.
Yes, annual professional flushing is recommended to remove mineral buildup and keep your tankless system running efficiently. Routine maintenance extends the lifespan and ensures optimal performance.
Absolutely. Tankless water heaters heat water only when you need it, which significantly reduces energy consumption compared to traditional tank models. This on-demand design lowers utility bills and supports environmental sustainability.
With proper maintenance, tankless water heaters typically last 20 years or more. Their advanced technology and replaceable components make them a durable choice for continuous hot water.
We install high-quality tankless systems from trusted brands like Rheem, Rinnai, Navien, and Noritz. Our technicians help you choose the ideal model for your hot water needs and budget.
Enjoy endless hot water and lower energy bills with a tankless water heater. Call Alexander Services today at 919-886-4822 for expert installation, trusted brands, and fast service!. Serving Apex, Holly Springs, Cary, Fuquay-Varina, Raleigh, Durham, and surrounding areas.
Alexander Services provides Plumbing Services in the Greater Raleigh Area and surrounding areas. Offering both Commercial and Residential Services, we provide emergency services and are open 7 days a week to provide you quick, award-winning same-day service.
Alexander Services
Plumbing, Gas, Water Heater, Sewer & Drain Services
Open 7 Days a Week
Servicing Apex, Holly Springs, Cary, Fuquay-Varina and Greater Raleigh Area
Phone:
(919) 886-4822
Text:
(919) 551-5996
Sales:
(919) 629-1091
Location:
128 Thomas Mill Rd
Holly Springs, NC 27540