Our Services

Last updated September 24, 2026

Colorado Water Heater Unit covers one thing: water heaters. Every service below is repair, replacement, installation or maintenance for a gas, electric, tankless or heat pump water heater somewhere in Colorado, nothing else. Pick the one closest to what's happening at your address, or just call and describe the problem.

How to pick the right page

If something's actively wrong, start with Repair, Emergency Service, No Hot Water Diagnosis or Leaking Water Heater, those cover the calls that can't wait. If you're planning ahead, Replacement, Installation and the Sizing Guide cover choosing and speccing a new unit; Tankless Installation and Heat Pump Water Heater cover the two most common upgrades homeowners ask about. High-Altitude Sizing is worth reading regardless of which service you need: it affects how any gas unit gets configured almost everywhere on this site's coverage map. Maintenance items, flushing, anode rods, descaling, sit lower on the list but they're what keeps a repair call from becoming a replacement call a few years early.

Repair or Replace?

The most common question behind any service call is whether a water heater is worth fixing. A tank that leaks from its body can't be repaired, and one that is past about twelve years, noisy from hardened sediment or showing rusty hot water is often better replaced on your schedule rather than after a failure. The Repair and Replacement pages walk through that decision in more detail, including the signs that a tank is nearing the end of its life.

Tank, Tankless or Heat Pump

Replacement is also the moment to reconsider the type of water heater. A conventional gas or electric tank is the simplest like-for-like option and usually fits existing venting, gas lines and space. A heat pump water heater uses far less electricity than a standard electric tank and needs no venting, but it needs space, a 240-volt circuit in most cases and a condensate drain, and it works best where the surrounding air stays moderately warm. The Tankless Installation and Heat Pump pages cover each in depth.

Why Colorado Changes the Answer

Three conditions shape almost every water heater job in this state. Altitude reduces the effective input of gas burners, commonly by about 4% per 1,000 feet above 2,000 feet, which slows recovery and cuts tankless flow; gas units must be certified for the installation elevation or properly derated. Hard water, especially from deep aquifer wells and the lower South Platte and Arkansas valleys, builds sediment in tanks and scale in tankless heat exchangers, which is why flushing, anode checks and descaling matter so much here. And cold winter inlet water, often in the 40s along the Front Range and colder in the mountains, means a heater has to lift water further in January than in July. The High-Altitude Sizing and Sizing Guide pages explain how to account for all three.

Maintenance That Prevents Repairs

Most water heater failures in Colorado can be traced to skipped maintenance. A yearly flush removes sediment before it hardens. An anode inspection every three to five years, or every two in softened or very hard water, catches the sacrificial rod before the tank itself starts to corrode. A relief-valve test once a year confirms the most important safety device still works. Tankless units need descaling on a regular schedule, and heat pump units need their air filters cleaned. The Flushing & Maintenance, Anode Rod and Tankless Descaling pages describe each task and how often it's worth doing.

Safety Comes First

Water heaters combine water, heat, pressure and, for gas units, combustion. The relief valve must never be capped or disabled, and its discharge line should run down to within a few inches of the floor. Gas units need adequate combustion air and a vent that drafts properly; the Venting & Combustion Air page covers orphaned chimneys, backdrafting and spillage testing. Every home with a gas or propane water heater should have working carbon monoxide alarms. If you smell gas, leave the house and call your gas utility from outside. If a CO alarm sounds, get everyone outdoors and call 911.

Who Does the Work

This site connects Colorado homeowners with independent local water heater professionals. What we aim for is a good match: someone familiar with your elevation, your water and the kind of home you live in.

Gas, Electric and Propane Units

Gas tanks heat with a burner under the tank and vent exhaust through a flue; they recover quickly but need proper venting, combustion air and an altitude-rated setup. Electric tanks use two heating elements, need no venting and aren't affected by altitude, but recover more slowly and tend to lose their lower element to sediment in hard water. Propane units work like natural gas units but need a propane-specific gas valve and orifice and an adequate supply from the property's tank, which is common in rural and mountain Colorado. The Gas Water Heater Service, Electric Water Heater Service and Thermostat & Element pages cover the specific problems each type develops.

Where the Heater Lives Matters

Installation location changes the job. Basement heaters are common along the Front Range and bring stair carries, chimney venting and finished-floor protection into play. Garage heaters, typical in slab-on-grade subdivisions, need a raised stand or flammable-vapor-resistant design, impact protection and freeze-aware piping. Closets and crawlspaces bring clearance and combustion-air questions. The Basement Installation and Garage Installation pages cover the details for each.

Common Symptoms and Where to Start

No hot water at all usually points to the pilot or ignition system on a gas unit, or the upper element or a tripped high-limit on an electric one; start with No Hot Water Diagnosis. Hot water that runs out quickly suggests sediment, a failed lower element, a broken dip tube or an undersized tank; see Not Heating Enough. Popping and rumbling are sediment; see Noisy Water Heater. A dripping relief valve is often thermal expansion; see Pressure Relief Valve and Expansion Tank. Rusty or smelly hot water usually involves the anode; see Rusty Water and Anode Rod Replacement. Water on the floor means Leaking Water Heater, and if it's more than a drip, Emergency Service.