Water Heaters Repaired
Same-Day Fix Rate
Happy Customers

Your Local Longmont, CO Water Heater Pros
At Water Heater Repair Guy, our goal is simple: make water heater repairs easy, honest, and affordable for everyone in Longmont. From simple pilot light fixes and leaky pipe repairs to brand-new energy-saving tankless installations, we handle it all.
When winter hits Longmont with freezing temperatures, water heaters work twice as hard to keep up. This can cause electrical switches to trip, intake lines to freeze, or heating elements to wear out. Our local team is on call 24/7 for fast same-day repairs to get your hot water running again. Give us a call at (877) 652-1357 for an honest upfront estimate and same-day help in Longmont, CO.
We proudly serve Longmont, Boulder County, and nearby areas with 24/7 emergency dispatch.
Residential Homes
Fast water heater repairs, sediment flushes, and replacements for Longmont families.
Local Businesses
Reliable commercial hot water service to keep your doors open and business running smoothly.
Top-Rated Water Heater Repair in Longmont
Dealing with rusty water, foul odors, or inconsistent water temperatures? Homeowners in Longmont turn to Water Heater Repair Guy for accurate diagnostics that target the exact underlying cause.
From changing depleted magnesium anode rods to installing thermal expansion tanks, we deliver targeted solutions that safeguard your water quality and protect your plumbing infrastructure.
Areas & Zip Codes We Serve in Longmont

Common Questions About Water Heater Repair in Longmont, CO

A sulfur odor is usually the result of harmless sulfur bacteria reacting with the tank's magnesium anode rod. Our technicians in Longmont, CO can disinfect the tank and install an aluminum-zinc or powered titanium anode rod to permanently eliminate the odor.
If your water heater is under 10 years old and the problem involves a replaceable component—such as an electrical element, thermostat, gas valve, or thermocouple—a repair is usually the most cost-effective route. If the internal storage tank is corroded and leaking from the bottom, a replacement is necessary.
First, shut off the cold water intake valve on the pipe located directly above the unit. Next, turn off the electrical circuit breaker or switch the gas control knob to 'OFF'. Then contact (877) 652-1357 right away for emergency water heater dispatch in Longmont, CO.
Pricing depends on the specific component that needs repair. Minor fixes like thermocouples or relief valves are very budget-friendly, while gas control valves or electronic boards cost slightly more. With Water Heater Repair Guy, you always receive an upfront, transparent estimate before any work begins.
A tripping breaker usually indicates a cracked or shorted heating element inside the tank, or a malfunctioning high-limit reset switch on the upper thermostat. Our technicians can test element resistance and replace burnt components quickly.
Real Reviews From Homeowners in Longmont
"The commercial water heater at our diner went down during prep. Water Heater Repair Guy arrived in Longmont with lightning speed, replaced the faulty high-limit thermostat, and kept our kitchen running without losing a shift."
"Finding a true specialist for on-demand tankless water heater repair in Longmont was tough until I found Water Heater Repair Guy. The tech quickly resolved the ignition error code, descaled the copper heat exchanger, and restored endless hot water."
"When our pilot light blew out and refused to stay lit on a freezing morning in Longmont, Water Heater Repair Guy picked up right away. Their technician replaced the worn thermocouple and had our burner firing safely within an hour."
Water Heater Repair Near Longmont
Need Fast Water Heater Repair in Longmont? Call Today
Our friendly local technicians are on call 24/7 for same-day service across Longmont, CO.
(877) 652-1357 — Get Your Hot Water Back