Water Heaters Repaired
Same-Day Restoration
5-Star Reviews

Longmont, CO Hot Water Specialists
At Water Heater Repair Masters, our certified water heater technicians are dedicated to helping Longmont residents resolve hot water emergencies quickly and permanently. We handle everything from replacing burnt-out heating elements and pressure relief valves to complete high-efficiency tankless upgrades.
During freezing winter months in Longmont, severe temperature drops place extreme thermal stress on water heaters, often resulting in tripped high-limit switches, burner lockouts, or frozen supply lines. Our technicians provide same-day emergency diagnostics and rapid heating restoration. Call (877) 276-9926 now for upfront flat-rate estimates and same-day service in Longmont, CO.
We serve Longmont, Boulder County, and surrounding Colorado communities with same-day and 24/7 emergency water heater dispatch.
Residential
Full water heater repairs, tank flushes, and replacements for homes in Longmont.
Commercial
Fast commercial hot water repair to minimize business downtime in Longmont.
Top-Rated Water Heater Repair in Longmont
With decades of combined heating experience, our technicians at Water Heater Repair Masters have encountered and solved every water heater failure mode. No pilot outage, gas valve lock-out, or element burnout is too complex for our specialists in Longmont.
By utilizing electronic gas sniffers, thermal imaging, and calibrated digital pressure gauges, our field units pinpoint micro-leaks and combustion flaws quickly, ensuring safe and efficient operation for your family.
Popular Zip Codes in Longmont

Frequently Asked Questions About Water Heater Repair in Longmont, CO

Condensation is common when a cold tank is filled with water during initial startup. However, continuous dripping beneath the tank after hours of heating indicates an internal tank leak requiring immediate inspection.
New tank and tankless installations include comprehensive manufacturer equipment warranties (typically 6, 10, or 12 years on tanks and heat exchangers) plus our full local craftsmanship and labor warranty.
Yes. When we install a new water heater at your property in Longmont, CO, our service includes complete disconnection, safe draining, removal, and eco-friendly metal recycling of your old equipment.
A sulfur odor is usually caused by anaerobic bacteria in your water supply reacting with the tank's magnesium sacrificial anode rod. Our technicians in Longmont, CO can sanitize the tank and install an aluminum-zinc or powered titanium anode rod to neutralize the smell permanently.
Low hot water pressure is typically caused by heavy mineral scale clogging the water heater's hot outlet nipple, a partially closed shut-off valve, or a defective heat trap. Our technicians can clean or replace the fittings to restore full flow.
What Homeowners Say About Our Hot Water Service in Longmont
"Our Rheem tankless system flashed an error code 11 and shut off. The technician from Water Heater Repair Masters knew the exact gas supply issue, cleaned the flame sensor, and reset the unit. Incredible technical knowledge!"
"We were constantly running out of hot water after just one shower. Water Heater Repair Masters evaluated our household demand in Longmont and recommended an electric hybrid heat pump unit. Our hot water is endless now and our electric bill dropped significantly!"
"The commercial water heater at our restaurant went down right before our Friday evening rush. Water Heater Repair Masters arrived fast in Longmont, bypassed the faulty safety limit switch, and had our sanitation dishwashers back up without missing a beat!"
Need Water Heater Repair in Longmont, CO?
Our certified technicians are available same day and respond to hot water emergencies 24/7.
(877) 276-9926 — Schedule Same-Day Dispatch