Tankless Water Heater Repair in Denver
Fast Help When Your Hot Water Stops
If your tankless water heater has stopped working or is acting up, you feel the impact right away. Showers, laundry, dishes, and day to day routines in your Denver home all depend on reliable hot water. You need a clear answer and a prompt repair, not guesswork.
At Allen Service, we provide responsive tankless water heater repair for homeowners and businesses in the Denver area. Our team works to find the cause of the problem, explain your options, and restore hot water as quickly as conditions allow. Same-day service is often available, and our plumbing team is on call 24/7 for emergencies.
We are a family-owned company that has served Colorado since 1962. Third-generation owners Jeff and Mike Allen continue a legacy built on honesty, craftsmanship, and care for every customer. Our motto, “the name you know and trust,” reflects decades of consistent service throughout Denver and nearby communities.
Ready to restore your tankless water heater in Denver? Call (970) 431-6574 or send us a message online today.
Common Tankless Water Heater Problems in Denver
Denver’s water conditions, temperature fluctuations, and high demand can affect tankless systems over time. Common issues include:
- Hot water cutting out or turning cold mid-shower
- Temperature fluctuations between faucets
- Error codes or warning lights on the unit
- Unusual noises when hot water is running
- Reduced hot water flow compared to normal use
Causes may include:
- Mineral buildup from hard water affecting sensors and heat exchangers
- Ignition or flame sensing issues
- Improper sizing or installation
- Gas supply or water pressure inconsistencies
- Venting obstructions or temperature-related strain
Early recognition of these warning signs allows our technicians to act before a complete shutdown occurs.
Hear From Our Happy Customers
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“Allen Service came out promptly and saved the day for me! My 50-year-old condo needed service immediately & they delivered! I recommend this company wholeheartedly. Ask for Brian and Michael!”Drew V.
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“The company was responsive and went above and beyond. They worked through my broken sink issue and were informative along the way. Extremely polite and efficient. I would absolutely ask Allen for service again!”Dorothy G.
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“Allen has been our preferred vendor for maintenance and repairs across our entire apartment community. Their team is consistently prompt, professional, & efficient. They respond quickly, diagnose the problem accurately, & complete repairs quickly.”Alison W.
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“Zach Workman did an excellent job fixing my AC capacitor. And even gave me a very well explained run down of how AC units work, especially capacitors. This was beneficial to me as I am a tradesman myself. Highly recommend Allen Service.”Chance I.
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“I had a great experience with Allen Service when our AC stopped working. Kevin, was extremely polite and knowledgeable. He was able to diagnose and resolve the issue quickly and even provided some informative advice for us moving forward.”Jenna A.
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“Awesome service and customer care. They were stupendous! I noticed immediately how positive and energetic they were, working together as a team to rectify our issues. These young men were personable, courteous, & very informative.”Nicholas S.
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“My technician today was professional, courteous, thorough, and made everything easy to understand. My AC had stopped working and Allen was able to get someone to my house within 4 hours which was exceptional and appreciated!”Shannon M.
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“A wonderful experience with both of the technicians today. They arrived early, were pleasant, very professional, and installed an amazing unit.”Mary F.
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“Exceptional customer service from the first phone call, to scheduling, to completion of service appointment, to diagnosing the A/C not cooling properly. Extremely impressed. I will gladly be telling everyone I know to call for any of your services!”Christie S.
is Just a Click Away Colorado’s Trusted Home Service Team
Tell us what you need, and we’ll take care of the rest.
Practical Tips to Extend Your Tankless Heater Life
Maintaining your tankless water heater can prevent costly repairs and extend its lifespan. Key tips include:
- Regular descaling: Reduces mineral buildup, improves flow, and protects sensors
- Check inlet water filters: Keep debris out to prevent damage to valves and flow switches
- Monitor error codes: Address minor issues promptly to prevent escalation
- Annual professional inspection: Detect potential problems early and ensure safe operation
- Maintain proper gas/electrical supply: Avoid disruptions or damage from inconsistent energy sources
Following these practices ensures consistent hot water performance and helps your tankless system last for many years.
Understanding Repair vs Replacement
Deciding whether to repair or replace a tankless water heater involves assessing:
- Age of the system: Older units may be more prone to recurring issues
- Condition of components: Heat exchangers, sensors, and valves under strain may fail more often
- Maintenance history: Units with consistent care last longer
- Usage demands: High-demand homes may benefit from modern, energy-efficient models
Allen Service helps you make an informed choice, providing:
- Clear explanations of repair costs and timelines
- Recommendations for replacement with energy-efficient models when appropriate
- Assistance with sizing, installation, and Denver-specific considerations
What To Do When Your Tankless Water Heater Fails
Before calling for professional service, you can perform basic safety checks:
- Ensure electrical breakers and disconnect switches are on
- Confirm gas valves are fully open
- Check water shutoff valves to the unit
- Note any error codes or warning lights
- Avoid repeated attempts to reset or disassemble the unit
For safety and efficiency, Allen Service handles internal diagnostics, repairs, and replacements. Our team explains solutions clearly, provides upfront pricing, and often completes repairs in a single visit.
- Allenspark
- Ault
- Aurora
- Bellvue
- Berthoud
- Boulder
- Broomfield
- Castle Rock
- Centennial
- Commerce City
- Denver
- Eaton
- Firestone
- Fort Collins
- Fort Lupton
- Gilcrest
- Greeley
- Hudson
- Jamestown
- Johnstown
- Kersey
- La Salle
- Lafayette
- LaPorte
- Longmont
- Loveland
- Lyons
- Milliken
- Niwot
- Plattville
- Severance
- Timnath
- Wellington
- Windsor
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The Help You Need
is Just a Click Away Colorado’s Trusted Home Service TeamTell us what you need, and we’ll take care of the rest. -
Allen Services
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Any Budget Affordable Payments. Exceptional Service.Our financing plans make it simple to invest in your home when it matters most.
Why Choose Allen Service for Tankless Water Heater Repair
Tankless water heaters are advanced systems that require precise knowledge and skill. Allen Service ensures every technician:
- Receives ongoing training on the latest tankless models, efficiency features, and safety codes
- Arrives in fully stocked service vehicles to complete many repairs in a single visit
- Communicates clearly about repair needs, costs, and financing options
- Protects your home with uniforms, shoe coverings, and respectful service
As a family-owned company serving Colorado since 1962, Allen Service combines decades of experience with a customer-first approach. We also handle heating, cooling, electrical, and drain services, allowing a seamless resolution if your tankless problem involves gas, power, venting, or drainage.
Looking for fast tankless water heater repair in Denver? Call (970) 431-6574 or send us a message online today.
