Endless hot water · Lower energy bills · Space-saving design
Navien · Rinnai · Rheem · Noritz – factory-certified installs
Call 256-854-2015 – Free Quote
We also offer traditional tank water heater service if tankless isn’t right for you.
Don’t wait until you’re out of hot water in the middle of a shower. Here are the top signs Oxford, Anniston, and Jacksonville homeowners call us about to go tankless:
Your current tank is over 10 years old — get it repaired or go tankless today
You run out of hot water during back-to-back showers
Rusty water or leaks around your tank
High energy bills every month
Adding a bathroom or new appliances
Want a smaller, wall-mounted unit to free up space
Ready for a system that lasts 20+ years
C Mac Plumbing is Oxford’s factory-certified tankless water heater installer for Navien, Rinnai, Rheem, Noritz & others. We handle everything — sizing, gas line upgrades, venting, permits, and final inspection — so you get full warranty coverage and zero headaches.
Whether you’re building a new home in Anniston, upgrading an older house in Jacksonville, or replacing a failing tank in Oxford, we install indoor and outdoor units that deliver endless hot water and cut energy costs up to 40%.
Tankless water heaters heat water on demand — no storage tank, no standby energy loss, and no risk of a 50-gallon flood if it fails. They last 20+ years, cut energy bills up to 40%, and give you endless hot water even with back-to-back showers or a filled tub. Prefer a traditional tank? See our standard water heaters page.
We’re factory-certified on Navien, Rinnai, Rheem, Noritz and others — full warranty coverage guaranteed.
We give upfront pricing before we start any job.
We lay down drop cloths on every job to protect your floors.
Our plumbers wear shoe covers at all times in your home and business.
We clean up when we’re finished with repairs.
We offer flat-rate pricing and quality workmanship at a fair price.
C Mac Plumbing is state-licensed, and you can trust our certified plumbers.
Our work is backed by a 100% satisfaction guarantee.
We provide award-winning world-class service and expertise.
Most installs are completed in one day. Gas line or venting upgrades may add time.
Yes — 95% of installs use the same spot or mount on the wall to save space.
Yes — all units we install have built-in freeze protection.
It can vary depending on how big the house is but on average about the size of a suitcase — perfect for closets or garages.
Yes — Navien, Rinnai, Rheem, Noritz & others. We also install and repair standard tank water heaters. Call use for details 256-854-2015
Not required but highly recommended — a quick flush keeps it running 20+ years.
Need something else while we’re there? Check out our general plumbing repair page — leaky faucets, toilets, water heaters, and more.
Email: [email protected]
Office Address: 1625 Hamric Dr E, Oxford Alabama 36203
Hours:
Open 24/7 - Call Anytime: 256-854-2015
C Mac Plumbing and Drain Cleaning Service
1625 Hamric Dr E.
Oxford, AL 36203
Open 24/7 - Call Anytime
Last Updated: December 17, 2025