Tankless Water Heater Service in Lubbock, TX
Tankless water heaters give you endless hot water, free up closet space, and last twice as long as tank units. Armstrong's Lubbock tankless team installs, services, and descales Navien, Rinnai, Noritz, Rheem, and other major brands.
Licensed · Insured · Serving Lubbock since 1934
About Tankless Water Heater in Lubbock
Tankless water heaters give you endless hot water, free up closet space, and last twice as long as tank units. Armstrong's Lubbock tankless team installs, services, and descales Navien, Rinnai, Noritz, Rheem, and other major brands.
Lubbock's hard water makes annual descaling especially important — skipping it kills tankless units fast.
Common Problems We Fix
If any of these sound familiar, we can help.
- Tankless throwing scale-related error codes
- Hot water flow weaker than it used to be
- Cold-water sandwich (warm, cold, then hot)
- Annual descaling overdue
- Considering switching from tank to tankless
- Need a larger unit for whole-home demand
What Tankless Water Heater Involves
Honest expectations — what to know before we arrive.
Install
Whole-home or point-of-use tankless installation. Gas line, vent, condensate, isolation valves — all included.
Maintain
Annual descaling (especially critical in Lubbock's hard water) keeps your tankless running efficiently.
Repair
Error code diagnosis, flow sensor cleaning, heat exchanger replacement, control board issues.
Why Choose Armstrong
Since 1934
Lubbock's oldest plumbing, HVAC, and electrical company.
Licensed & Insured
Texas-licensed plumbers, HVAC techs, and electricians.
24/7 Service
Real emergency dispatch — nights, weekends, holidays.
Upfront Pricing
Flat-rate quotes before we start. No surprises.
Tankless Water Heater FAQs
Quick answers to what Lubbock customers ask most.
More Plumbing Services in Lubbock
Plumber
Armstrong is the oldest plumbing company in Lubbock — serving the South Plains since 1934. Our licensed Lubboc…
Learn MoreEmergency Plumber
When a pipe bursts at 2 a.m. or sewage backs into the shower, you need an emergency plumber in Lubbock who act…
Learn MoreDrain Cleaning
Slow sink? Backed-up tub? Sewer smell? Armstrong offers same-day drain cleaning in Lubbock — from kitchen and …
Learn MoreWater Heater Repair
No hot water? Armstrong's Lubbock plumbers repair gas, electric, and tankless water heaters from every major b…
Learn MoreWater Heater Installation
Armstrong has installed thousands of water heaters across Lubbock since 1934. Tank, tankless, gas, electric, h…
Learn MoreLeak Detection
Hidden leaks waste thousands of gallons and quietly destroy walls, floors, and foundations. Armstrong uses aco…
Learn More