Water Heater Replacement in Boulder, CO
We replace 40, 50 and 75 gallon water heaters across Boulder, CO in garages, closets and attics, with expansion tanks and drain pans where required.
- Code Compliant
- Code Upgrades Handled
- Fast, Efficient Replacement
- Expert Plumbers
Get Professional Water Heater Replacement in Boulder, CO.
Contact us today for a free estimate on your water heater replacement.
Your Local Source for Water Heater Replacement in Boulder, CO
GFR Plumbing is a trusted provider of water heater replacement throughout Boulder, CO. We understand the frustration of a failing water heater, especially in cold weather, and our team is ready to deliver a fast, professional solution.
Our expertise includes:
- Accurate sizing to match your home's hot water demands.
- Complete removal and disposal of old water heater units.
- Expansion tanks, drain pans and garage stands to code

Additional Plumbing Replacement Services in Boulder, CO
When repairs are no longer enough, our replacement services in Boulder, CO deliver modern, efficient equipment installed right.

Customers
Why Choose GFR Plumbing for Water Heater Replacement in Boulder, CO?
Our experienced technicians are trained on current water heater technologies. We guarantee a professional installation that will deliver reliable hot water for your Boulder home.
- Haul-Away Included, We drain, remove and dispose of your old water heater.
- Warranty Protection, Our work and many of the units we install come with robust manufacturer and labor warranties for your peace of mind.
- Code Compliance, All installations follow Colorado plumbing codes, including proper venting and TPR valve setup.
Citywide Coverage
GFR Plumbing serves every neighborhood of Boulder for water heater replacement. Whether you are in the heart of downtown or the surrounding suburbs, our technicians are ready to provide expert service.
Experienced Team
Each GFR Plumbing technician is well versed in water heater replacement, from conventional tanks to tankless units. Their expertise delivers a safe, efficient and long-lasting installation every time.
Safety-First Approach
We install temperature and pressure relief valve drain lines, drain pans where required and expansion tanks on closed systems. Permits and inspections are handled as local code requires.
Trusted Certified Boulder Plumbing Services Professionals
At GFR Plumbing, we take pride in providing licensed, certified plumbing services throughout Boulder, CO. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationReliable Water Heater Replacement Services in Boulder, CO
Gas Water Heater Replacement in Boulder, CO
Gas water heaters are common in many homes, offering powerful heating. Issues like burner problems, gas leaks or a corroded tank signal the need for replacement. GFR Plumbing focuses on gas water heater replacement in Boulder, CO, with precise gas line connections, proper venting and carbon monoxide safety. Our licensed plumbers follow strict safety protocols, installing your new gas unit for the best efficiency and peace of mind.

Upsizing Your Water Heater in Boulder
If you are running out of hot water, your household may have outgrown your current tank. A larger tank or a model with a higher first-hour rating can solve the problem. We look at bathroom count, fixture usage and household size to recommend the right capacity. Upsizing may require venting or gas line adjustments, which we include in your quote.
Bradford White Water Heater Replacement in Boulder
Bradford White water heaters are known for their durability and performance. If your existing Bradford White unit needs replacement in Boulder, or if you are looking to install a new one, GFR Plumbing has the expertise. We are familiar with their product lines, including gas, electric and power-vent models. Our technicians make sure your new Bradford White unit is installed correctly, maximizing its lifespan and efficiency for your home.
Conventional Tank Water Heater Replacement in Boulder
Most homes in Boulder rely on traditional tank water heaters. When these units fail due to age, rust or sediment buildup, we provide swift replacement. Our service includes proper disposal of the old unit, professional installation of the new tank, connection to existing water and gas or electric lines and testing for proper performance. We make sure venting is correct to prevent carbon monoxide issues.
Hybrid Water Heater Installation in Boulder, CO
Hybrid water heaters combine heat pump technology with traditional electric heating, offering real energy savings, especially when installed in a warm space like a garage. GFR Plumbing provides professional hybrid water heater installation in Boulder, CO, helping you reduce your energy use and utility bills. These units require specific electrical and venting considerations, which our experienced technicians are fully equipped to manage for strong performance.
Attic Water Heater Replacement in Boulder
Homes from the late 1970s through the mid 1990s may still have polybutylene supply lines, which are known to fail at fittings. Some homes, especially those built in certain eras, have water heaters in the attic. Replacing an attic unit requires careful lifting, a drain pan with a drain line and safe access for future service. We evaluate whether relocating the heater to the garage or an exterior closet makes sense to lower water damage risk. Our crews protect your ceilings and floors during removal and installation.
Bradford White, Rheem and A.O. Smith in Boulder, CO
We install trusted brands including Bradford White, Rheem and A.O. Smith. Bradford White is sold through professional plumbers and is known for durable construction. Rheem and A.O. Smith offer a wide range of capacities and efficiency options. We help you compare warranties, features and price to find the right fit.

Rheem and Ruud Water Heater Replacement in Boulder, CO
Rheem and Ruud are widely used water heater brands known for their durability. Our technicians in Boulder, CO are experienced with replacing many Rheem and Ruud models, whether gas, electric or tankless. We make sure all connections, venting and safety features are correctly installed for performance and longevity, maximizing your investment.
Water Heater Replacement Near Me in Boulder, CO
If you woke up to cold showers and are searching for water heater replacement near me, call our local team. We carry common gas and electric models and can often replace your heater the same day. You get hot water back fast without a long wait.
If you are searching for 'water heater replacement near me' in Boulder, CO, look no further than GFR Plumbing. Our local team is positioned to provide fast service across the entire area, so your hot water emergency is handled quickly and professionally.
GFR Plumbing at a Glance
- Licensed and insured plumbers serving Boulder, CO
- Same-day appointments and 24/7 emergency response
- Clear written estimates, no hidden fees
- 4.8-star rated by 750+ Colorado customers
Boulder Map
Boulder Information
- Population
- 105,898
- Area codes
- 303/720/970
- Service area
- Boulder and communities within 40 miles
- Nearby
- Lafayette, Broomfield, Longmont, Westminster
Hard water and hot garages can wear out tank water heaters faster, so many homeowners in Boulder, CO face replacement earlier than they expect.
Expert Services
Trust our professionals for reliable GFR Plumbing solutions in Boulder, CO.
Our Specialized Plumbing Services in Boulder, CO
At GFR Plumbing, we provide a complete range of plumbing services across Boulder, CO. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Water Heater Replacement Process Works in Boulder, CO
Our water heater replacement process at GFR Plumbing is designed to be simple and stress-free for homeowners in Boulder, CO.
Request a Quote
Contact GFR Plumbing at (720) 727-9398 to schedule an appointment. We will discuss your needs and provide an upfront, honest quote for your water heater replacement.
On-Site Assessment
Our technician will visit your home to assess your current unit, evaluate your hot water demands and recommend the best replacement options for your Boulder home.
Professional Installation
We carefully remove your old water heater and expertly install the new unit, making sure all connections, venting and safety features are correctly in place according to local codes.
Frequently Asked Questions About Water Heater Replacement in Boulder
The cost of water heater replacement in Boulder, CO typically ranges from $1,200 to $3,500, depending on the type of unit (gas, electric, tankless or hybrid), its capacity and any needed plumbing modifications. Our team will provide a detailed, upfront quote after assessing your needs and existing setup.
A traditional water heater stores and heats a limited amount of water in a tank, whereas a tankless water heater heats water on demand as it flows through the unit. Tankless units offer endless hot water and can be more energy-efficient, but usually have a higher upfront cost and may require gas line upgrades.
Yes, in many areas of Boulder and Colorado, a plumbing permit is required for water heater replacement to make sure the installation meets local safety and building codes. GFR Plumbing handles all necessary permitting on your behalf, so you do not have to worry about compliance.
Most new water heaters come with a manufacturer's warranty ranging from 6 to 12 years on the tank and components, depending on the model and brand. GFR Plumbing also provides a labor warranty on our installation, so your investment is covered.
Most standard tank-style water heater replacements can be completed in 3 to 5 hours, assuming no major complications or plumbing reconfigurations. Tankless or hybrid installations might take a bit longer, often 5 to 8 hours, due to more complex venting or gas line adjustments.
Many households of two to three people do well with a 40 gallon tank, while larger families often need 50 gallons or more. We size based on your bathroom count and usage.
Most replacements take two to four hours. Attic installs or relocations can take longer.
While it might seem tempting, water heater replacement involves gas lines, high voltage electricity, water pressure and heavy equipment. It is a complex job best handled by licensed professionals to ensure safety, proper installation and compliance with local plumbing codes, preventing potential leaks or hazards.
What People Are Saying About Our Plumbing Experts?

Mark T.
When our office needed drain cleaning, GFR Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Arvada, CO
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Arvada, CO
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Thornton, CO
Emily R.
I called GFR Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · Arvada, CO
Patricia H.
We had a slab leak that two other companies could not find. GFR Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Lafayette, CO
James P.
Our commercial plumbing system had a leak under the sink, and GFR Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Arvada, CO













