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Plumber & HVAC Services in Golden, CO
When your home needs a plumber in Golden, CO, Mountain Valley Plumbing, Heating and Cooling provides residential plumbing, heating, and cooling services throughout the area. Whether you’re dealing with a clogged drain, a failing water heater, a furnace problem, or an AC system that has stopped working, our technicians diagnose the issue, explain your options, and provide flat-rate pricing before approved work begins.
Same-day appointments may be available for plumbing and HVAC calls when scheduling allows. Call (970) 317-2519 to reach dispatch and confirm the earliest available appointment.

Residential Plumbing Services for Golden Homeowners
We handle a wide range of residential plumbing needs in Golden, from active pipe leaks and fixture repairs to repiping, sump pump service, and backflow prevention. We repair and replace toilets, faucets, sinks, garbage disposals, and supply lines. We also service sewer ejector pumps and install water softeners and filtration systems based on your home’s water-quality needs.
When water quality is part of the concern, testing can help determine whether a softener or filtration system makes sense for the home. For repairs, fixture replacement, repiping, and other residential needs, explore our plumbing services available to Golden homeowners.

Drain and Sewer Services in Golden, CO
Slow drains, recurring clogs, sewage odors, gurgling fixtures, and backups can signal a problem with your drain or sewer line. Waiting too long can allow a blockage, backup, or damaged line to affect floors, walls, and fixtures throughout your Golden home.
The right solution depends on what we find during the visit. Our drain and sewer services may include drain clearing, leak detection, sewer-line diagnosis, repair, or replacement. When the source of the problem is not immediately clear, a camera inspection can help identify the appropriate next step.
Our same-day drain clearing guarantee means we clear the drain the day you call or the service is free. For an active backup, sewage odor, or significant leak, call (970) 317-2519 so our team can confirm availability and help you determine the next step.
Water Heater Repair and Replacement in Golden, CO
Loss of hot water, leaks, rumbling or popping sounds, and inconsistent water temperatures are all signs that your water heater may need professional attention. We repair, replace, and install both conventional tank and tankless water heaters based on your home’s hot-water demand, fuel type, existing system, and venting requirements.
Golden sits at approximately 5,675 feet above sea level, which can affect installation requirements for gas-fired equipment. Our technicians account for manufacturer altitude specifications, combustion and venting requirements, and the existing gas-line setup when evaluating a water heater installation.
Replacement work within the City of Golden may also require permit and inspection coordination, while homes in unincorporated Jefferson County may fall under different jurisdiction requirements.

Heating and Cooling Service in Golden, CO
We service and replace furnaces, boilers, and heat pumps for Golden homeowners. For qualifying upgrades, our team can also help you review available utility rebate programs. Air duct cleaning can help address airflow issues and buildup within the system. Explore our heating services for additional heating options.
Cooling services include AC repair and replacement, ductless mini-split installation, swamp cooler service, and seasonal maintenance. Our recommendations account for your home’s layout, existing ductwork, comfort needs, and system condition rather than equipment age alone. Explore our air conditioning services for available cooling options in Golden.
What to Expect From a Mountain Valley Service Visit
Golden homeowners can expect a clear process from the technician’s arrival through the final cleanup. Here is how a typical service visit works:
Your technician listens to the concern, evaluates the affected system, and explains the findings in plain language.
You receive flat-rate, job-based pricing for the recommended work before you authorize the repair or service.
The technician completes the approved work, reviews the result with you, and leaves the work area clean.
The Safe Clean Home Guarantee backs every service call. If one of our technicians causes a leak or damage to your home, we will make it right and provide a $100 dinner gift card.
Ready to schedule plumbing or HVAC service in Golden? Call (970) 317-2519 or request an estimate online to get started.
Golden Plumbing and HVAC: Frequently Asked Questions
Do you offer emergency plumbing service in Golden, CO?
No. Mountain Valley does not provide 24/7 emergency plumbing service in Golden. Same-day appointments may be available during normal business hours when scheduling allows. For an active leak, sewer backup, or no-water situation, call (970) 317-2519 to confirm the earliest available appointment.
How does Mountain Valley price plumbing and HVAC work?
We use flat-rate, job-based pricing. A technician diagnoses the problem, explains the recommended work, and provides the price for your approval before the repair or installation begins. A service or diagnostic fee may apply for on-site evaluations, and you can review the scope and cost before authorizing the work.
Do I need a permit for a water heater replacement in Golden?
Permit requirements depend on the work being performed and your home’s jurisdiction. Properties within the City of Golden may have different requirements from homes in unincorporated Jefferson County. Our team can determine whether permit coordination or inspection is required before work begins, particularly when a project involves gas piping, venting, or electrical updates.
Can one company handle both my furnace and my air conditioner?
Yes. Mountain Valley services and replaces furnaces, boilers, heat pumps, air conditioners, ductless mini-splits, and swamp coolers. Our team handles both heating and cooling systems and can evaluate comfort issues involving either side of your home’s HVAC system.
Call (970) 317-2519 or request an estimate online for plumbing and HVAC service in Golden.






