Water Heaters
Water heater work covers three separate calls: repair when the unit is still under a reasonable service life, installation when the old one needs to be replaced, and tankless conversion when you want continuous hot water instead of a tank. Afford-A-Rooter diagnoses which one you actually need before quoting anything, on gas, electric, and tankless systems across the Denver metro.
- Repair, installation, and tankless conversion for gas and electric units
- Same-visit diagnosis before any repair or replacement is quoted
- Colorado Master Plumber and Contractor License 2110
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What it is
A water heater A water heater is the appliance that heats and delivers hot water to every tap, shower, and appliance in a building. Storage tank models keep a reservoir of water hot, while tankless models heat water only while a fixture is running.
Denver hard water leaves sediment and scale inside a water heater, so units here need flushing or descaling to reach the service life the manufacturer expects.
Repair, replace, or go tankless?
The right call depends on what the unit is doing and how old it is. A tank that is leaking from the tank itself, not a fitting, is done and gets replaced. A tank that trips out on the thermostat, loses the pilot, or throws an error code on an electric unit is often a repair. A tank that runs out of hot water fast with a household that has grown since it was installed is a sizing conversation, and that is when tankless gets discussed. We look at the actual failure before recommending any of the three.
- Water pooling under the tank itself means replacement, not repair
- Pilot, thermostat, heating element, or error code issues are usually repairable
- Chronic running out of hot water is a sizing problem, sometimes solved by going tankless
- Sediment and scale buildup in Denver's hard water shortens tank service life
Call for water heater service when
- Hot water runs out faster than it used to
- The water heater makes popping or rumbling noises
- Water is pooling on the floor near the tank
- The pilot light will not stay lit or an electric unit trips its breaker
- Hot water comes out rusty or with a metallic smell
What our water heater service covers
- Diagnosis of gas and electric tank units and tankless systems
- Repair of thermostats, heating elements, pilot assemblies, and valves
- Full tank replacement, sized to your household and fixture count
- Tankless installation and conversion from an existing tank system
- Emergency response for leaks, no hot water, and gas smell calls
- Permit and code compliant venting and gas line connections
How a water heater visit runs
- 1
Diagnose the failure
We check the tank, the gas or electric supply, and the venting before naming a cause.
- 2
Explain the options
Repair, straight replacement, or tankless conversion, with the tradeoffs for your household.
- 3
Quote before work starts
You approve the scope and the price before anything is disconnected.
- 4
Install or repair
Work is done to code, including gas line, venting, and water connections.
- 5
Test and walk through
We confirm hot water at the fixtures and walk you through the new unit's controls.
Compare your options
Tank versus tankless water heaters
A tank water heater stores heated water and keeps it hot. A tankless water heater heats water only while a tap is open. The right pick depends on the hot water demand of the house, the venting, and the space you have.
| Factor | Tank water heater | Tankless water heater |
|---|---|---|
| Upfront cost drivers | Unit size, fuel type, code updates such as an expansion tank, and how hard the old unit is to remove. | Gas line sizing, new venting, condensate handling, electrical work, and the plumbing rework at the wall. |
| Expected lifespan | Shorter service life. Denver hard water and sediment shorten it further when the tank is never flushed. | Longer service life when it is descaled on schedule. Skipping descaling in hard water is the usual reason one fails early. |
| Recovery and supply | Delivers a full tank of hot water, then needs time to reheat once the tank is drawn down. | Endless hot water at a rated flow. Running several fixtures at once can outrun the unit if it is undersized. |
| Space | Needs floor space and clearance for a tall cylinder. | Wall hung and compact, which frees usable floor area in a Denver basement or utility closet. |
| Venting | Uses conventional atmospheric or power venting depending on the model. | Needs dedicated sealed venting, which is often the largest part of a conversion. |
| Best fit | Straight replacement, smaller households, tighter budgets, and homes where the existing venting stays as is. | Households that run out of hot water, homes that want the floor space back, and planned remodels where the gas and vent work is already open. |
Licensed, inspected, and accountable
- Colorado Master PlumberA licensed master plumber signs off on the diagnosis, not just the clear. That matters when the recommendation is repair instead of another cleaning.
- Plumbing Contractor license 2110Licensed as a Colorado State Plumbing Contractor, so we can pull permits and carry drain, sewer, and water line work all the way through inspection.
- Family owned in Denver since 2006Two decades on Denver drain and supply lines, from prewar cast iron to new PEX in Green Valley Ranch.
- 24/7 emergency responseBackups, breaks, and no-water calls are answered around the clock across the Denver metro.
Ready when you are
Tell us what is happening and your Denver neighborhood. We will route it fast.
What changes the price of water heater service
There is no flat menu price, because the unit type and the install conditions drive most of the cost. We diagnose the job, then quote it before any work begins.
Need help right now? 24/7 emergency plumbing service. Planning a larger repair? See financing options.
- Repair versus full replacement
- Tank versus tankless, and gas versus electric
- Whether venting or gas line work has to be modified for a tankless conversion
- Tank size and household hot water demand
- Access to the current unit and any code updates required
- Time of day for emergency and after hours calls
Water heater questions Denver homeowners ask
Every water heater service we offer
Water heater repair and service
Diagnosis and repair for gas and electric tank units.
Learn moreWater heater installation and replacement
New tank units sized and installed to code.
Learn moreElectric, gas, and tankless water heaters
Tankless installation and conversion from a tank system.
Learn moreEmergency water heater repair
Leaks, no hot water, and gas smell calls, 24/7.
Learn moreGas vs electric water heater
How to choose based on your existing utilities.
Learn more40 vs 50 gallon water heater
Sizing a tank to your household's actual hot water use.
Learn moreTankless water heater installation
What a tankless conversion involves before you commit.
Learn moreWater heater replacement
When repair no longer makes sense for the unit.
Learn moreWhat Denver customers say
- Google174 reviews4.2
- Yelp62 reviews
“We have had the pleasure of working with Afford A Rooter for almost 20 years both for our home and recommending to friends, neighbors and clients.”
“Addam is awesome! He is consistent and fair with pricing. He is really honest about the issue and doesn't overcharge for unnecessary work or materials”
“Afford A Rooter did a great job replacing a short section of sewer that was still the original clay pipe from the property line to the main sewer line”
“Cast iron sewer lines under my basement floor were failing and sewerage had started backing up in my floor drain. Simply cleaning it out no longer worked”
“I've used them a few times Trevor is easy to work with thanks again”
Licenses, credentials, and company proof
- Colorado Master PlumberLicense MP-18927
- Colorado State Plumbing ContractorLicense 2110
- Family Owned & OperatedServing Denver since 2006, 20 years
- Better Business BureauAccredited Business, A+ rating
- Angie's List Super Service Award2012 through 2017
- Serving Denver since 2006Residential and commercial properties across the metro
Guides on this topic
Deeper reading on water heaters from our Denver plumbers.
More water heater services
- Electric, Gas & Tankless Water HeatersTankless water heater installation and repair in the Denver metro. Afford-A-Rooter Plumbing handles electric and gas tankless systems. Call (720) 296-7972.View page
- Emergency Water Heater RepairNeed emergency water heater repair in Denver, CO? No hot water, leaking tank, or sudden failure? Afford-A-Rooter offers 24/7 help. Call (720) 296-7972.View page
- Water Heater Installation & ReplacementNeed a new water heater in Denver? Afford-A-Rooter installs all types, including tankless. Upgrade your failing unit with a free quote. Call (720) 296-7972.View page
- Water Heater Repair & ServiceNo hot water, leaks or pilot light issues in Denver? Afford-A-Rooter provides expert water heater repair for homes & businesses. Call (720) 296-7972.View page
- Tankless Water Heater Repair DenverTankless water heater repair in Denver, CO. Afford-A-Rooter provides diagnostics, repair & maintenance. 24/7 availability. Call (720) 296-7972.View page
Problems this work solves
No hot water? We diagnose it before we quote it.
Licensed Denver water heater repair, installation, and tankless conversion, 24/7, with a free quote before the work starts.