4.9 stars: across 750+ Google reviews and Team Dave Logan approval
Plumbing & HVAC Services in Longmont, CO
Longmont, CO homeowners deserve a plumbing and HVAC company that shows up on time, explains the work clearly, and puts pricing in writing before the job begins. That’s how Mountain Valley has served homeowners across Northern Colorado and the Front Range since 2007, with headquarters based in Longmont.
Mountain Valley is backed by 750+ Google reviews, BBB accreditation, and background-checked technicians who wear shoe covers and respect your home. Every service call is backed by the Safe Clean Home Guarantee. If we cause any damage during the job, we make it right and cover dinner with a $100 gift card.
Why Longmont Homeowners Choose Mountain Valley
The Safe Clean Home Guarantee
Most homeowners have dealt with contractors who show up late, leave a mess behind, or change the price halfway through the job. Mountain Valley built the Safe Clean Home Guarantee to be the opposite of that.
Three things happen on every Mountain Valley call:
Background-checked, drug-screened technicians arrive in shoe covers and respect your home from start to finish.
Flat-rate pricing is approved before work begins, with no hourly surprises or unexpected add-ons
If our technicians cause any damage during the job, we return to fix it and provide a $100 dinner gift card as part of our written guarantee.
That’s the Safe Clean Home Guarantee. It’s one of the reasons homeowners across Northern Colorado continue to call Mountain Valley year after year, including homeowners in Longmont, Boulder, Loveland, and surrounding communities.
Plumbing and HVAC Services for Longmont, CO
Mountain Valley provides residential plumbing and HVAC services throughout Northern Colorado, including Longmont and surrounding Front Range communities.
Residential Plumbing Services
Our licensed plumbers handle everything from small fixture repairs to full-home plumbing replacements:
- Water heaters (tank and tankless installs, repairs, and replacements)
- Sump pump repair and installation
- Sinks, faucets, and fixture work
- Water softener and water filtration system installation
- Full repiping and leak detection
HVAC, Heating, and Cooling Services
Colorado weather puts extra strain on heating and cooling systems throughout the year. Our HVAC technicians service both older systems and modern high-efficiency equipment:
- Furnace repair, replacement, and tune-ups
- Boiler repair and maintenance for older Colorado homes
- Cold-climate heat pump installs with Xcel rebate paperwork handled
- AC repair and replacement, including same-day service
- Ductless mini-splits and swamp cooler service
Drain and Sewer
Drain and sewer problems can quickly disrupt your home and routine:
- Drain clearing and rooter service
- Sewer line inspection and repair
- Leak detection with same-day response
What Longmont Customers Are Saying
Mountain Valley customers often mention technicians by name because of the professionalism, communication, and respect they experienced during the job.
Mountain Valley has served Northern Colorado since 2007 and maintains a 4.9-star Google rating, BBB accreditation, and Team Dave Logan approval.
We File the Xcel Rebate Paperwork. You Keep the Money.
Colorado rebate programs for high-efficiency HVAC systems, heat pumps, and tankless water heaters can significantly reduce installation costs when the paperwork is filed correctly.
Mountain Valley files the Xcel Energy rebate paperwork for you on every qualifying install. Federal IRA tax credits and local utility programs too. If your furnace, AC, water heater, or heat pump is more than a decade old, available rebates and tax credits may help offset a significant portion of the replacement cost.
Serving Northern Colorado Communities
Our HQ is at 210 Collyer Street in Longmont. We drive about an hour in every direction:
Longmont, CO (our home base)
Boulder, CO
Fort Collins, CO
Loveland, CO
Greeley, CO
Estes Park, CO (serving Estes for over a decade)
Erie, CO
We also serve Lyons, Allenspark, Niwot, Windsor, Berthoud, Johnstown, Broomfield, Westminster, Thornton, Arvada, Louisville, Lafayette, and the surrounding Front Range and mountain communities.
Built by an Army Officer. Rebuilt Around One Idea.
Mountain Valley started as a plumbing company in Estes Park in 2007. In 2022, owner John Beck, a former Army officer, rebuilt the company around one core idea: homeowners should feel comfortable with the technician entering their home.
That approach still shapes how Mountain Valley operates today. Every technician is background-checked, drug-screened, and trained to clearly explain the work before it begins.
Pricing is flat-rate and approved in writing, and every service call is backed by the Safe Clean Home Guarantee. Today, Mountain Valley serves homeowners across Northern Colorado, with headquarters in Longmont and a team of more than 40 employees.
Frequently Asked Questions
Does Mountain Valley offer 24/7 emergency service?
We offer same-day service Monday through Saturday (8am-6pm Mon-Fri, 8am-5pm Sat) for both plumbing and HVAC. We don’t run an overnight emergency line. Our focus is on providing fast, reliable same-day service during normal operating hours.
What is the Safe Clean Home Guarantee?
On every service call, we promise to leave your home safe and clean. If our technicians cause any leak or damage during the work, we return to fix it and send you a $100 gift card. That’s a written guarantee on every call.
Do you offer flat-rate or hourly pricing?
Flat-rate, job-based pricing. We quote the price of the job in writing before any work begins. If something else comes up along the way, we tell you before we touch it. No hourly surprises.
What cities do you serve?
Mountain Valley serves homeowners across Northern Colorado, including Longmont (our headquarters), Boulder, Fort Collins, Loveland, Greeley, Estes Park, Erie, and surrounding Front Range communities.
Do you handle Xcel Energy rebates?
Yes. On qualifying high-efficiency HVAC, heat pump, and tankless water heater installs, we file the Xcel Energy rebate paperwork and help you apply for federal IRA tax credits. Our team stays up to date on current rebate and tax credit programs.
Ready to Schedule Plumbing or HVAC Service in Longmont?
Mountain Valley has provided trusted plumbing and HVAC services across Northern Colorado since 2007, with headquarters based in Longmont.
You can book online in under two minutes or call our Longmont office and talk to a real person.