Business Details
Emergency
services
Your Trusted HVAC Experts in Boulder, CO
Welzig Heating & Air has built a reputation for excellence in HVAC, plumbing, and electrical services through a combination of technical expertise, rigorous training, and a commitment to customer satisfaction. As a Bryant Factory Authorized Dealer, we adhere to stringent standards of technical competence, business ethics, and customer approval. Our team consists of NATE-certified professionals who undergo continuous factory training and utilize cutting-edge equipment to ensure precise system installations and efficient repairs.We maintain a state-of-the-art training center and a full inventory of genuine manufacturer parts to guarantee timely, high-quality service. Our dedication to personalized solutions, including custom ductwork fabrication and 24/7 emergency support, reflects our core belief that exceptional customer service is the foundation of a successful business. With a focus on innovation, transparency, and long-term reliability, we serve residential and light commercial clients across Boulder, Longmont, Louisville, and Lafayette, CO.
Services
HVAC Installation
Duct Repair
Plumbing Services
Tankless Water Heaters
Emergency Repairs
Maintenance Plans
Highlights and features
- Our team is NATE-certified and factory-trained for precision HVAC service.
- We operate a state-of-the-art training center for continuous technician development.
- 24/7 emergency services ensure immediate response to urgent needs.
- Custom ductwork fabrication guarantees perfect fit and efficiency.
- Satisfaction guaranteed with transparent pricing and financing options.
Associations and certifications
- Bryant Factory Authorized Dealer
- NATE-certified
Services
HVAC Installation
We specialize in precision HVAC installations, ensuring optimal system performance and energy efficiency. Our Bryant-certified technicians assess your home's unique needs, including insulation and ductwork, to recommend and install systems that maximize comfort and cost savings. Backed by manufacturer warranties and a satisfaction guarantee, our installations integrate seamlessly with existing infrastructure for long-term reliability.
Duct Repair
Duct leaks and inefficiencies can increase energy bills and reduce indoor air quality. Our team conducts comprehensive duct inspections using advanced tools to identify leaks, contamination, or design flaws. We repair and seal ductwork to enhance airflow, reduce energy waste, and improve HVAC system longevity, ensuring your home maintains consistent temperatures and cleaner air.
Plumbing Services
From water heater installations to sump pump repairs, our plumbing services address residential and light commercial needs. We use high-quality materials and modern techniques to ensure leak-free connections, efficient water flow, and compliance with local codes. Our experts also offer tankless water heater upgrades and filtration system installations for enhanced convenience and sustainability.
Tankless Water Heaters
Tankless water heaters provide endless hot water while saving space and reducing energy costs. We offer expert consultations to match your household's demand with the right unit, followed by professional installation and annual maintenance. Our service ensures safe operation, extended lifespan, and immediate access to hot water, with financing options available for qualified customers.
Emergency Repairs
HVAC or plumbing emergencies can disrupt daily life at any hour. Our 24/7 emergency repair service dispatches certified technicians promptly to address urgent issues like furnace failures, burst pipes, or AC breakdowns. Equipped with diagnostic tools and replacement parts, we resolve problems efficiently to restore comfort and prevent further damage.
People
Jim & Jalene W
Owners
Jim and Jalene W founded Welzig with a commitment to integrity and customer-centric service. Their leadership emphasizes continuous training, cutting-edge technology, and community-focused values.
Casey W
Outside Sales Manager
Casey W manages client relationships and project consultations, ensuring tailored solutions for HVAC and plumbing needs. His expertise in system optimization enhances customer satisfaction.
Bill K
General Manager
Bill K oversees daily operations, ensuring adherence to quality standards and timely service delivery. His 20+ years in HVAC management drive operational excellence.
Uriel
Plumber
Uriel specializes in residential plumbing installations and repairs, combining technical skill with a focus on durable, code-compliant solutions for every project.
Ray E
Shop Team
Ray E leads custom ductwork fabrication, ensuring precise fittings that improve system efficiency and reduce energy waste through tailored design and craftsmanship.
Questions
What HVAC services do you offer?
We provide installations, repairs, maintenance, and ductwork solutions for residential and commercial clients in Boulder, CO and surrounding areas.
Are your technicians certified?
Yes, all technicians are NATE-certified and undergo continuous factory training to ensure expertise in Bryant and other brand systems.
Do you offer emergency services?
Yes, our 24/7 emergency repair service addresses urgent HVAC and plumbing issues with prompt, reliable solutions.
Can you install tankless water heaters?
Yes, we offer tankless water heater consultations, installations, and maintenance to improve efficiency and hot water availability.
What financing options are available?
We provide financing options with approved credit for HVAC, plumbing upgrades, and emergency repairs to accommodate budget needs.
Do you service older HVAC systems?
Yes, we repair and maintain all makes and models, including older systems, to extend their lifespan and optimize performance.
