Business Details
Emergency
services
Your Trusted HVAC Partner in Boulder, CO
Welzig Heating & Air has built a reputation as a trusted provider of HVAC, plumbing, and electrical services in Colorado. As a Bryant Factory Authorized Dealer, we adhere to rigorous standards of technical competence, business ethics, and customer satisfaction. Our team includes NATE-certified technicians who undergo continuous factory training and utilize cutting-edge equipment to deliver precise installations, accurate diagnostics, and prompt repairs. We maintain a full inventory of genuine manufacturer parts and operate a state-of-the-art training center to ensure our staff remains at the forefront of industry advancements.Our commitment to excellence is reflected in our third consecutive year as a Bryant Circle of Champions award winner, a distinction achieved by only 2% of Bryant dealers nationwide. We prioritize personalized service, offering 24/7 emergency support, flexible financing options, and a satisfaction guarantee across all our services in Boulder, Longmont, Louisville, and Lafayette, CO.
Services
HVAC Installation
Plumbing Services
Duct Repair
Tankless Water Heaters
Emergency Repairs
Highlights and features
- We offer NATE-certified technicians with factory training and cutting-edge tools.
- Our 24/7 emergency services ensure immediate support for urgent needs.
- We provide financing options for residential and commercial projects.
- We maintain a state-of-the-art training center for continuous staff development.
- Our third consecutive Bryant Circle of Champions award reflects industry excellence.
Associations and certifications
- NATE-certified
- Bryant Factory Authorized Dealer
Services
HVAC Installation
We specialize in precision HVAC installations, including Bryant-branded systems. Our NATE-certified technicians ensure proper sizing, energy efficiency, and seamless integration with existing ductwork. All installations include a satisfaction guarantee and access to manufacturer warranties.
Plumbing Services
Our licensed plumbers handle repairs, installations, and upgrades for residential and commercial properties. Services include water heater replacements, fixture installations, and emergency leak repairs using modern tools and techniques.
Duct Repair
We diagnose and repair duct leaks, contamination, and inefficiencies to improve HVAC performance. Our team uses specialized tools and in-house fabrication to ensure lasting, airtight solutions for enhanced comfort and energy savings.
Tankless Water Heaters
We offer energy-efficient tankless water heater installations and maintenance. These systems provide continuous hot water, reduce utility bills by up to 40%, and feature advanced monitoring for long-term reliability and safety.
Emergency Repairs
Our 24/7 emergency service addresses urgent HVAC, plumbing, and electrical issues. Trained technicians respond promptly with the necessary tools and parts to restore comfort and safety in residential and commercial settings.
People
Jim & Jalene W
Owners
Jim & Jalene W founded Welzig with a focus on trust, technical excellence, and customer satisfaction. They oversee operations and maintain a hands-on approach to service quality.
Casey W
Outside Sales Manager
Casey W manages external sales, connecting clients with tailored HVAC and plumbing solutions while ensuring alignment with Welzigs high service standards.
Cassy B
Inside Sales Manager
Cassy B coordinates sales operations, providing expert guidance on product selection and service packages to meet residential and commercial needs.
Dave K.G.
Install Manager
Dave K.G. leads installation teams, ensuring all projects meet Welzigs technical and quality benchmarks for HVAC, plumbing, and electrical systems.
Uriel
Plumber
Uriel specializes in residential and commercial plumbing installations and repairs, combining technical skill with a commitment to customer satisfaction.
Questions
Do you offer 24/7 emergency services?
Yes, we provide 24/7 emergency HVAC, plumbing, and electrical support for urgent needs.
Are financing options available?
Yes, we offer financing plans with approved credit for residential and commercial projects.
What areas do you serve?
We serve Boulder, Longmont, Louisville, and Lafayette, CO, with local expertise and prompt service.
Are your technicians certified?
All technicians are NATE-certified and undergo continuous factory training for industry-leading expertise.
What HVAC brands do you work with?
We are Bryant Factory Authorized Dealers, offering Bryant-branded systems and compatible components.
Do you provide maintenance plans?
Yes, we offer annual maintenance programs to optimize system performance and extend equipment lifespan.
