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Apex Water Heating

Water Heater Installation and Tankless Replacement Done in a Day

We inspect, quote, and complete the job with clean workmanship, transparent pricing, and fast scheduling for homes and small businesses.

Technician performing water heater installation in a utility room
Fig. 01 — Technician performing water heater installation in a utility room
ObjectApex Water Heating
Contact+1 (555) 214-8890
HoursMon–Sat: 8:00 AM – 7:00 PM
Address2457 Market St, Denver, CO 80205
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About Our Service

We handle water heater installation for homeowners who need a reliable setup done without delays, hidden add-ons, or guesswork. From standard tank units to energy-efficient upgrades, we size the equipment, check the connections, and make sure the system is ready for daily use. Our team arrives with the parts and tools needed to keep the visit efficient, and we explain the options before any work begins. If you are comparing quotes, we will give you a straightforward estimate that matches the scope of the job.

Tankless water heater replacement is one of our most requested services because many customers want more hot water, lower standby loss, and a cleaner equipment footprint. We remove the old unit, inspect the existing plumbing and venting, and install a replacement that fits your home’s demand and local code requirements. Water heater repair is just as important, especially when you are dealing with leaks, inconsistent temperature, rumbling noises, or a pilot that will not stay lit. We diagnose the issue first, then recommend the most practical fix so you can decide with confidence.

We work for clients who want the job done once and done properly. That means honest recommendations, realistic timelines, and careful testing after the work is complete. When a replacement makes more sense than another repair, we will say so and explain why in plain English. When water heater installation can save money by correcting a poor previous setup, we will show you exactly what needs to change. The goal is simple: restore hot water quickly, reduce repeat problems, and leave you with a system you can trust.

24/7emergency response availability
1 daytypical replacement turnaround
100%clear quotes before work starts
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Why Customers Call Us First

01

Same-visit diagnostics

We inspect the unit, fittings, valves, and visible connections during the first visit, which helps us identify whether water heater repair is enough or whether replacement is the smarter move. This saves time and reduces repeat trips.

02

Code-aware installation

Every water heater installation is completed with attention to venting, clearances, drainage, and shutoff access. We do not rush the details, because small mistakes can create leaks, safety issues, or inspection problems later.

03

Upfront pricing

You get the total price before the work starts, including parts and labor. For tankless water heater replacement, we also outline any extra items that may be needed so there are no surprises after teardown.

04

Fast scheduling

When your hot water is out, we move quickly. In many cases, water heater repair can be scheduled the same day, and replacement appointments are usually arranged within a short window to restore service fast.

05

Clean work area

We protect floors, remove old equipment carefully, and leave the space tidy after installation. That matters just as much as the technical side, especially in utility rooms, garages, and tight mechanical closets.

06

Practical recommendations

We do not push oversized systems or unnecessary upgrades. If a repair will give you another solid year of service, we will say that; if tankless water heater replacement will save you from repeated breakdowns, we will explain the long-term value.

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Our Services

  • P-01

    Standard Water Heater Installation

    Professional installation of gas or electric tank units with shutoff checks, leak testing, and startup verification. This service is ideal for new installs or full replacements where dependable daily hot water is the priority.

    $489
  • P-02

    Tankless Water Heater Replacement

    Removal of the old system and installation of a new tankless unit with connection review, venting inspection, and performance testing. We help match the replacement to your household demand so the system runs efficiently from day one.

    $899
  • P-03

    Water Heater Repair

    Troubleshooting and repair for leaks, heating failures, thermostat issues, sediment buildup, and ignition problems. We aim to restore hot water quickly and only recommend replacement when the repair is no longer cost-effective.

    $149
  • P-04

    Emergency No-Hot-Water Visit

    Priority service for customers who suddenly lose hot water and need fast diagnosis. We arrive prepared to assess the unit, identify the failure, and carry out water heater repair whenever the parts and condition make it possible.

    $179
  • P-05

    Tankless System Flush and Inspection

    Descaling and inspection for tankless units to improve flow, reduce buildup, and extend system life. This is a smart option for customers who want to protect their investment after tankless water heater replacement.

    $219
  • P-06

    Replacement Quote and Site Check

    On-site evaluation for water heater installation or replacement with measurement of space, hookups, venting, and capacity needs. You receive a written estimate with realistic options and a clear scope before any work is approved.

    $79
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Pricing Guide

ServiceDetailsTimePrice
Standard Water Heater InstallationTank replacement with hookup, test run, and cleanup2–4 hours$489
Tankless Water Heater ReplacementRemove old unit and install new high-efficiency systemHalf day$899
Water Heater RepairFix leaks, thermostat issues, ignition faults, or heating loss1–2 hours$149
Emergency No-Hot-Water VisitPriority diagnosis and same-day availability when possibleSame day$179
Tankless Flush ServiceDescale, inspect, and performance test the unit1–2 hours$219
Quote and Site CheckAssessment for installation, replacement, or upgrade planning30–45 min$79
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How the Job Works

  1. 01

    1. Request and scheduling

    You contact us with the issue, and we ask a few quick questions about the unit type, age, and symptoms. If it sounds urgent, we prioritize water heater repair or set the earliest available installation slot.

  2. 02

    2. On-site inspection

    We check the tank, valves, connections, venting, and nearby components to determine the safest and most practical next step. This helps us confirm whether tankless water heater replacement, repair, or a full water heater installation is the right answer.

  3. 03

    3. Clear estimate

    Before any work begins, we explain the recommended solution, the price, and the expected timeline. If there are multiple options, we outline them so you can choose based on budget, efficiency, and long-term value.

  4. 04

    4. Work execution

    We complete the installation or repair with proper fittings, secure mounting, and leak testing. For tankless water heater replacement, we also verify the system startup and confirm that hot water is delivered correctly throughout the home.

  5. 05

    5. Final testing and handoff

    We run the unit, check for temperature stability, and make sure the area is clean before leaving. You get simple care notes so your new system stays in good shape after water heater installation or repair.

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Customer Reviews

We called for water heater repair after the water turned lukewarm and the tank started making popping sounds. The technician found heavy sediment, explained the fix, and had it running again the same afternoon. The quote matched the final bill, which was a relief after two other companies gave vague estimates.
Megan CarterClient
Our old tankless unit failed during a cold week, and we needed tankless water heater replacement quickly. The crew checked the venting, replaced the unit, and tested hot water at three fixtures before leaving. The whole process was organized, and the new system is noticeably quieter and faster.
Derek HollowayProperty Manager
I booked water heater installation for a remodel and expected delays, but they arrived on time and finished within the window they promised. They protected the floor, cleaned up all the packaging, and explained how to monitor the first few cycles. The new heater has been steady since day one.
Sophia NguyenHomeowner
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Water Heater Installation and Repair for Homes and Small Businesses

If you need water heater installation, tankless water heater replacement, or water heater repair, our service is built to move quickly and keep the process simple. We work with homeowners, landlords, and property managers who want a clear quote and a reliable result without long back-and-forth. Every visit starts with a practical assessment, so we can identify the most effective solution for the equipment, the space, and the daily demand for hot water. When the job is urgent, we prioritize response time and aim to restore service as fast as the situation allows.

Tankless water heater replacement often makes sense when an older unit struggles to keep up, shows repeated fault codes, or has reached the point where repair costs are no longer efficient. We look at venting, gas supply or electrical capacity, water quality, and installation space before recommending a new system. Water heater repair can be the better option when the tank is structurally sound and the issue is limited to a valve, thermostat, igniter, or connection. We explain the difference in plain terms so you can decide whether to repair now or invest in a long-term upgrade.

Our water heater installation work is focused on safety, clean layout, and dependable operation after the startup. We verify shutoffs, inspect for leaks, test the temperature, and make sure the system is ready for regular use. For tankless water heater replacement, we also check the flow and confirm that the new equipment is matched to the property’s usage pattern. That extra step helps prevent the common problem of installing a unit that looks powerful on paper but underperforms in real life.

Customers call us because they want a service partner who communicates clearly before, during, and after the appointment. We do not hide pricing, and we do not pad a simple water heater repair into a full replacement unless the condition truly requires it. If a repair is only a temporary fix, we will say that and show you why. If a new water heater installation is the most economical path, we will provide options with realistic pricing and timelines so you can move forward with confidence.

We serve local homes and small commercial spaces that cannot afford repeated hot-water downtime. Whether the request is an emergency leak, a noisy tank, a failed igniter, or a planned upgrade to a high-efficiency unit, we bring the same careful process to every job. The result is a smoother appointment, cleaner installation, and fewer surprises after the work is complete. If you are comparing companies for water heater installation, tankless water heater replacement, or water heater repair, contact us for a fast estimate and a schedule that works.

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Frequently Asked Questions

01How do I know whether I need water heater repair or a full replacement?

We start with a diagnosis, because water heater repair is often enough when the tank is sound and the issue is limited to a thermostat, valve, igniter, or connection. If we find corrosion, repeated leaks, or a unit that is near the end of its life, we will recommend replacement instead. Our goal is not to sell the biggest job; it is to give you the most practical fix for your home and budget. In many cases, we can explain both options during the same visit and help you decide on the spot.

02How long does a standard water heater installation usually take?

Most water heater installation jobs take a few hours, depending on the location of the unit, the condition of the existing plumbing, and whether any code-related updates are needed. If the old heater is easy to remove and the hookups are in good shape, the process is usually straightforward. We also test the system before leaving so you know the hot water is working properly. If we discover a complication during the visit, we explain the impact on time and cost before moving ahead.

03Do you handle tankless water heater replacement in older homes?

Yes, we do tankless water heater replacement in older homes all the time, but we always check the venting, fuel supply, electrical capacity, and available wall space first. Older properties may need adjustments before the new unit can operate safely and efficiently. We will show you what is required and whether the upgrade is worth it compared with a traditional unit. That way you can make an informed choice without guessing about the installation requirements.

04Can you fix a water heater that is leaking from the bottom?

We can inspect it right away, but the answer depends on where the leak is coming from and how severe it is. Some leaks can be solved with water heater repair, such as a failing valve or a loose connection, while leaks from the tank body itself usually mean the unit needs to be replaced. We check the source carefully because a quick assumption can waste your money. If repair is still possible, we will do it; if not, we will explain the safest replacement path.

05How much should I expect to pay for tankless water heater replacement?

The cost of tankless water heater replacement depends on the model size, installation complexity, and whether any venting or utility upgrades are needed. We provide a clear estimate after the site check so you know what is included and why. That estimate covers the real work, not just a headline number that changes later. If there is a more budget-friendly option that still meets your needs, we will show you that too.

06Do you offer same-day water heater repair when the hot water stops working?

When our schedule allows, we do our best to provide same-day water heater repair because we know losing hot water disrupts the whole house. We ask a few questions first so we can bring the right parts and reduce the chance of a second visit. If the problem is minor, we may restore service during the first appointment. If the unit has failed beyond repair, we will transition to replacement planning without wasting your time.

07What should I prepare before your team arrives?

Before water heater installation or water heater repair, it helps to clear a path to the equipment and make sure we can access the utility area safely. If you have noticed noises, leaks, or error codes, sharing those details in advance helps us diagnose faster and choose the right parts. We will take care of the technical work, testing, and cleanup once we arrive. Good preparation simply helps us finish sooner and reduces the chance of delays.

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Tell us what is happening with your system, and we will schedule water heater installation, tankless water heater replacement, or water heater repair.

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