Tankless Installation
New tankless heaters are sized to your household's peak hot water demand and installed with isolation valves for easy service later.
- Peak-demand sizing
- Service valves
- Installed to code
Plumbing · Longmont, CO
Tankless Water Heaters in Longmont, CO
Plumbing, septic and drain service for homes and businesses in Longmont, Boulder County. Licensed technicians, written prices before any work, and same-day visits on most calls.
- Licensed
- Insured
- Free Estimates
- Family Owned
- 24/7 Emergency
Ready to get started?Call (833) 653-0155 →
Tankless Water Heaters in Longmont, CO: What You Can Expect
Tankless installation, conversion and maintenance, with the unit sized to how your household actually uses hot water.
Tankless Installation Sized and Installed Properly
From Old Town, Prospect, Southmoor Park and the neighborhoods along the St. Vrain to the newer streets around town, our technicians work on the plumbing and septic systems Longmont homeowners rely on every day. Much of Longmont is older homes around Old Town and newer subdivisions on the edges.
Our plumbers are licensed and background-checked, and they explain what they find before they fix it. You approve a written price first, and that is the price you pay.
Tank-to-Tankless
Converting from a tank usually needs a larger gas line or new electrical circuit and new venting. We quote all of it up front.
- Gas line upsizing
- Electrical circuit
- New venting
Descaling & Service
Minerals build up in the heat exchanger over time. Annual descaling keeps the unit efficient and protects the warranty.
- Annual descaling
- Filter cleaning
- Performance check
Tankless Repair
Error codes, ignition failures and fluctuating temperature are diagnosed and repaired on all common brands.
- Error code diagnosis
- Ignition repair
- Sensor replacement
Our Tankless Water Heaters Process
Five steps from the first question to endless hot water.
Step 1: Size the Unit
We look at bathrooms, fixtures and peak demand to size the unit for flow rate and temperature rise.
- Peak demand
- Flow rate
- Temperature rise
Step 2: Check Gas, Power & Venting
We check whether the gas line, electrical service and venting can support the new unit, and what needs upgrading.
- Gas line sized
- Electrical checked
- Venting route
Step 3: Written Quote
You get one written price covering the unit, any upgrades, venting and the permit.
- All-in price
- Upgrades listed
- No surprises
Step 4: Install & Connect
The unit is mounted, piped with isolation valves for future descaling, vented and connected to code.
- Wall mounted
- Service valves
- Installed to code
Step 5: Fire Up & Walk Through
We start the unit, test flow and temperature, and show you how it works and when it needs service.
- Flow tested
- Temperature set
- Care explained
Tankless Water Heaters — Longmont, CO
We Install Tankless Systems That Actually Keep Up
Proper sizing and the right gas, power and venting are what make a tankless system deliver on its promise.
- Tank-to-Tankless Conversions
- Undersized Tankless Units
- Error Codes & Ignition Faults
- Scale Build-Up & Descaling
- Lukewarm or Fluctuating Water
How Our Tankless Service Works
- 01Assess
We size the unit and check gas, power and venting.
- 02Quote
One written price covers the unit and every upgrade.
- 03Install
Installed to code with service valves, then tested with you.
Related Services
Often needed alongside tankless water heaters.
Water Heaters
Repair, replacement and new installation of tank, gas, electric and hybrid water heaters.
Explore water heaters in Longmont, COLeak Detection
Non-invasive detection of slab, wall, ceiling and underground leaks.
Explore leak detection in Longmont, CODrain Cleaning
Kitchen, bathroom, laundry and main line drains cleared with cabling and hydro-jetting.
Explore drain cleaning in Longmont, COSewer Services
Sewer camera inspection, repair and trenchless replacement.
Explore sewer services in Longmont, COTankless Water Heaters FAQs
Q: Can you come out today in Longmont?
Usually, yes. Most calls in Longmont get a same-day visit, and emergencies like burst pipes or backups are answered around the clock.
Q: Is septic service available in Longmont?
Yes — pumping, inspections, repairs and replacements for septic systems in Longmont and across Boulder County. Most household tanks need pumping every 3 to 5 years.
Q: What will a plumber cost in Longmont?
It depends on the job, but you always know first: we diagnose, then give a written flat-rate price. No hourly meter and no surprises.
