Professional Tankless Water Heater Service for Denver Homeowners
Is your tankless water heater not delivering consistent hot water? Are you seeing error codes, hearing strange noises, or experiencing frustrating interruptions during showers or laundry cycles? At Colorado Air Solutions, we specialize in tankless water heater repair and maintenance services in Denver, CO, designed to restore performance and prevent costly damage.
With over 15 years of experience serving homeowners across Denver, Thornton, Northglenn, Centennial, Lone Tree, and Dove Valley, we know what it takes to keep your system operating efficiently. Whether you're dealing with a leak, ignition issue, scale buildup, or just overdue for routine service, our EPA-certified technicians are here to help — fast.
Tankless systems are efficient, but like all appliances, they can develop problems over time — especially in areas with hard water or high usage. Here are some warning signs that your tankless unit may need attention:
If you notice any of these issues, don't wait. A small issue can quickly turn into a costly system failure. We offer same-day repair services in most cases, and we'll always provide honest recommendations — no unnecessary upsells.
Our tankless water heater repair process begins with a comprehensive diagnostic inspection. Once we identify the issue, we'll explain your options clearly and complete any needed repairs using OEM parts and manufacturer-approved practices.
Whether you have a Navien, Rinnai, Rheem, or other brand of tankless system, we have the training and tools to fix it right the first time.
In the Denver metro area, hard water is a common concern. Without proper treatment or regular maintenance, scale buildup can reduce your tankless water heater's flow rate, damage internal components, and lead to premature failure.
Scale accumulation in the heat exchanger forces your unit to work harder, reducing efficiency and increasing wear. That's why flushing the system and descaling with a professional-grade solution is essential. Colorado Air Solutions offers annual maintenance plans to keep your system protected.
Choosing a new heating and cooling system is a significant investment. To help you make an informed decision without any pressure, Colorado Air Solutions provides free estimates for HVAC installation throughout Denver, CO. Whether it's a high-efficiency furnace, a new central AC unit, or a modern heat pump, get a clear understanding of the costs upfront.
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We believe everyone deserves comfort—without the financial strain. Colorado Air Solutions offers flexible financing options for qualified homeowners, allowing you to upgrade your HVAC system today and pay over time.
Applying is fast and easy. Our team walks you through the steps and helps you understand your best financing options based on your project.
Apply NowUpgrading to a new, energy-efficient HVAC system is one of the best investments you can make in your Denver home's comfort and value. Did you know you could be eligible for significant savings through local and federal programs? Colorado Air Solutions helps homeowners in Denver, CO, and the Denver metro area navigate available HVAC rebates and tax credits from Xcel Energy, the City of Denver, and the federal government to help make your new system more affordable.
Xcel Energy offers HVAC rebates for Colorado residents installing qualifying high-efficiency heating and cooling systems. Save on eligible furnaces, AC, and heat pumps. As your Denver HVAC experts, we help you understand and access these Xcel Energy rebates.
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Explore potential savings with City of Denver heat pump rebates. Note: The City's residential heat pump rebate program is currently fully subscribed for 2025. We track updates on Denver heat pump rebates and other local incentives. Contact us for the latest information.
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Qualify for a federal HVAC tax credit to reduce your tax liability when you install eligible energy-efficient equipment like heat pumps and high-efficiency AC or furnaces. Ask us about equipment that qualifies for this saving opportunity in the Denver area.
Contact UsColorado Air Solutions is your local trusted and reliable HVAC and water heater service experts. If you need repair, replacement, new installations or want to join our Comfort Club get in touch today to book the service you need!
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We treat every home as if it were our own. Our family-owned business has been serving Denver for over 10 years, with more than 15 years of hands-on experience.
We are an EPA-certified contractor, an Armstrong Comfort Team Member, and an LG Pro Dealer, giving you peace of mind in our products and installations.
Our success is built on delivering transparent pricing, efficient service, and building long-term relationships with our neighbors in the Denver metro area.
With our affordable maintenance plans, you’ll get regular service visits, priority scheduling, and discounts on repairs. We offer comprehensive benefits with our plans including:
Save time, money, and stress. HVAC emergencies are costly. Prevent them with a plan designed to keep your system efficient year-round. Join Our Comfort Club Maintenance Program Today! Give your system the care it deserves. Ask about our Denver HVAC maintenance program when you schedule your next service.
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Colorado Air Solutions is proud to provide expert HVAC services to homeowners across the Denver metro area. From AC repair and heat pump installation to furnace maintenance and indoor air quality upgrades, our certified technicians deliver trusted solutions tailored to your comfort. Whether you're in the city or the suburbs, we bring fast response times, honest service, and long-term results to every home we serve.
Call us today to find out if we serve your area—we're always expanding to meet your needs!
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Like any major home appliance, a tankless water heater needs routine maintenance to keep working efficiently. Annual maintenance can reduce energy use, extend your unit's lifespan, and minimize the risk of surprise breakdowns.
We recommend maintenance once per year for most homeowners — especially in Denver, where hard water can cause scale buildup that affects system performance and efficiency.
Colorado Air Solutions isn't just a typical plumbing company — we're a locally owned and operated HVAC and plumbing expert with a focus on high-efficiency, long-lasting systems. We've repaired and maintained hundreds of tankless units across the Front Range.
We believe in doing the job right, standing by our work, and helping our neighbors stay comfortable all year long.
There are several possible reasons: a tripped breaker, gas supply issue, clogged filter, scale buildup, or a malfunctioning ignition system. Our technicians in Denver can quickly diagnose and resolve the issue to restore your hot water.
At least once per year. Denver's hard water can lead to mineral buildup in your tankless system, reducing efficiency and potentially damaging the heat exchanger. Regular descaling extends your unit's life and performance.
Yes. While they're efficient, tankless water heaters need annual maintenance to prevent scaling, inspect components, and ensure safe operation. Routine service keeps your system under warranty and operating at peak efficiency.
Common issues include fluctuating water temperatures, error codes, low water pressure during hot water use, no hot water at all, or strange noises like clicking or hissing. If you notice any of these, schedule a repair right away.
DIY troubleshooting can sometimes solve basic issues (like resetting the unit or cleaning a filter), but most tankless systems are complex. Professional repair ensures safety, protects warranties, and prevents further damage.
Most repairs can be completed in one visit. We stock common parts and use diagnostic tools to quickly pinpoint and fix issues. More complex repairs may take longer if specialized parts need to be ordered.
Yes. Colorado Air Solutions provides emergency services when you need hot water restored quickly. Whether it's a weekend breakdown or late-night failure, we're ready to help with fast, professional service.
It depends on the system's age, condition, and repair costs. If your unit is over 15 years old and frequently breaking down, replacement may be more cost-effective. We'll always provide honest recommendations.
Yes. We work with Navien, Rinnai, Rheem, Bosch, Noritz, and other major manufacturers. Our certified technicians are trained across a wide range of models and technologies.
Our maintenance plans prioritize you for scheduling and offer repair discounts, but emergency services are billed separately. However, regular maintenance often helps prevent the need for emergency repairs altogether.
We perform a full system flush, inspect all gas and water lines, check venting and combustion, clean filters, and test electronic components. It's a complete tune-up designed to keep your system safe and efficient.
Absolutely. Regular maintenance improves energy efficiency, extends system lifespan, and minimizes the risk of costly repairs. It also ensures you're not overworking the unit, which leads to lower utility bills.
Yes. We offer tankless water heater repair and maintenance in Lone Tree, Thornton, Northglenn, Centennial, Dove Valley, and all of Denver. If you're not sure we cover your area, just give us a call.
Call or contact us online to book a service visit. We offer fast response times, clear pricing, and friendly, local service you can trust.
To protect your investment and avoid major repairs, we offer affordable tankless water heater maintenance plans tailored to your home's needs. These plans ensure regular descaling, cleaning, and inspections — while also offering:
Ask us about bundling your HVAC and plumbing maintenance into a single annual plan for convenience and savings.
Water heater issues don't always happen during business hours. If your tankless system breaks down at night or on the weekend, don't panic — we offer emergency repair services to get your hot water back as quickly as possible. Call our team anytime to request emergency assistance in Denver or surrounding cities.
We have extensive experience servicing all major tankless water heater brands, including:
Our technicians regularly train on new models and troubleshooting updates, so we can handle any make or model you have.
We proudly serve homeowners across:
If you don't see your location listed, just give us a call. We're often able to accommodate nearby areas in the Denver metro.
When your home's hot water system is acting up, you don't need the stress of cold showers, high energy bills, or inconsistent performance. You need a team that understands tankless technology inside and out. That's where Colorado Air Solutions comes in.
We're not just another HVAC company — we're Denver's reliable, EPA-certified experts in tankless water heater repair and maintenance. Our team brings 15+ years of experience to every job and delivers honest, professional service across Thornton, Northglenn, Centennial, Lone Tree, Dove Valley, and the greater Denver metro area.
From small fixes to full system servicing, we treat every call with the care and urgency it deserves. We respect your home, your time, and your budget — and it shows in every visit.
When you work with us, you're getting more than a one-time repair. You're gaining access to a team that can support every part of your home's mechanical systems:
We're not here to sell you something you don't need. We're here to help you stay comfortable — and make sure your systems perform at their best, year after year.
Whether you're in Denver proper, out in Thornton, over in Northglenn, or farther south in Centennial, Lone Tree, or Dove Valley, Colorado Air Solutions is proud to be your local choice for tankless water heater repair and ongoing service.
If you don't see your town listed, just give us a call — we're always expanding our reach and would love the chance to earn your business.
Contact Colorado Air Solutions today to schedule your tankless water heater repair or annual tune-up.
Let's get your hot water flowing reliably again — and keep it that way.
Let's get started.
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