"Excellent, knowledgeable service"
Excellent, knowledgeable service by Brian and Carson.
Excellent, knowledgeable service
Excellent, knowledgeable service by Brian and Carson. We appreciated the expertise by Brian and the rapport between the two technicians. The issue was resolved, and we agreed to install Scale RX for our unit.
Bill McDonald
Serving Longmont and beyond
Water Filtration Company Longmont
If you're looking for a high-quality and affordable whole house water filtration system, you've come to the right place. At Allen Service, we understand how vital clean, safe water is for your property. Poor water quality can lead to health concerns, appliance damage, and even higher utility bills. Whether you're noticing strange odors, discoloration, or just want to improve the overall quality of your water, our team at Allen Service has the expertise to evaluate your water filtration needs and install a system tailored to your property.
Choose our trusted water filtration system specialists to deliver the results you can rely on. Call Allen Service at (970) 431-6574 today!
Why Trust Our Services?
Plumbing Experts Since 1962
Decades of trusted family service for homes and businesses.
Fully Stocked Trucks Save You Time
Most repairs finished in one visit—no waiting for parts.
Highly Trained, Uniformed Technicians
Professional, certified plumbers ready to solve any issue.
Prompt Same-Day Service, Every Time
Fast solutions and emergency help—right when you need it.
For over 60 years, Allen Service has delivered dependable HVAC, plumbing, and electrical solutions across Denver, Fort Collins, and beyond. As a family-owned company, we put your comfort first—offering quality workmanship, honest communication, and 24/7 service. Experience the difference that comes from people who truly care.
Why Choose Us:
Trusted local experts since 1962
Family-owned and operated for three generations
Comprehensive HVAC, plumbing, and electrical services
24/7 emergency availability
VIP membership plans with exclusive benefits
Customer-first guarantee on every job
Longmont Water Filtration Systems Call for More Information Today!970-431-6574
