Business Details
32 Years
experience
Emergency
services
Trusted HVAC & Plumbing Services in Longmont, CO
Welzig Heating & Air has served the Longmont and Greater Boulder area since 1994, combining immediate results with sustainable performance to protect client investments. As a Bryant Factory Authorized Dealer, we adhere to rigorous standards of technical competence, business ethics, and customer approval. Our NATE-certified team undergoes factory training and stays updated on progressive technology, equipped with leading-edge tools and genuine replacement parts to ensure accurate system sizing, installation, and diagnostics. We pride ourselves on being an award-winning member of Bryant's Circle of Champions for three consecutive years, reflecting our commitment to high-efficiency equipment sales and exceptional customer service.Our focus remains on client satisfaction through emergency HVAC services, plumbing and electrical solutions, and tailored financing options for residential and commercial clients. With service areas spanning Boulder, Fort Collins, and surrounding communities, we maintain a reputation built on 29 years of local expertise and reliable service delivery.
Services
HVAC Installation
Plumbing Repair
Electrical Services
Emergency Repairs
System Maintenance
Tankless Water Heaters
Indoor Air Quality
Commercial HVAC
Drain Cleaning
EV Charger Installation
Details
- Year established: 1994
Highlights and features
- NATE-certified technicians with factory training and 29 years of local experience
- 24/7 emergency HVAC and plumbing services available
- Bryant Factory Authorized Dealer with Circle of Champions recognition
- Financing options available for approved credit applicants
- Specialized in high-efficiency system installations and smart technology integration
Associations and certifications
- Bryant Factory Authorized Dealer
- NATE-certified
- Circle of Champions
What people say
Excellent job
Highly recommend
Knowledgeable diagnosis
Professional and personable
No damage to house
Services
HVAC Installation
We specialize in complete HVAC system installations including air conditioning units, furnaces, and heat pumps. Our NATE-certified technicians ensure proper sizing and efficient operation while using genuine manufacturer parts. With Bryant Factory Authorized Dealer status, we offer high-efficiency systems that reduce energy costs while maintaining comfort. Our installation process includes system selection guidance and comprehensive post-installation testing to guarantee optimal performance.
Plumbing Repair
Our licensed plumbers handle all residential and commercial plumbing repairs including leak detection, pipe replacement, and water heater issues. We service tankless and traditional water heaters, gas lines, and drainage systems with emergency repair availability. Using advanced diagnostic tools, we identify and resolve issues efficiently while minimizing property disruption. Our plumbing expertise extends to mobile home systems and commercial plumbing maintenance programs.
Emergency Repairs
We provide 24/7 emergency HVAC and plumbing services for urgent issues requiring immediate attention. Our on-call technicians respond promptly to heating failures, AC breakdowns, and plumbing emergencies with fully equipped service vehicles. This round-the-clock availability ensures critical system issues get resolved quickly, preventing further property damage and restoring comfort or functionality as soon as possible.
Indoor Air Quality
We offer comprehensive indoor air quality solutions including UV filtration systems, air purifiers, and ventilation improvements. Our technicians install and maintain systems that remove allergens, odors, and contaminants using technologies like GPS ionization and PuriFi monitoring systems. These solutions address common pollutants like dust mites, pet dander, and VOCs while improving overall respiratory health and comfort in residential and commercial spaces.
System Maintenance
Our maintenance plans cover HVAC, plumbing, and electrical systems with regular inspections and tune-ups to prevent breakdowns. Technicians perform comprehensive checks of system components, clean critical parts, and identify potential issues before they become major problems. These preventive services extend equipment lifespan, maintain manufacturer warranties, and ensure optimal energy efficiency throughout the year.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including air conditioning repair/installation, furnace services, duct sealing, smart thermostats, and emergency HVAC repairs for residential and commercial properties.
Do you offer plumbing services?
Yes, our licensed plumbers handle water heater installations, drain repairs, gas line work, sump pumps, and whole-home water filtration systems with emergency plumbing availability.
Are financing options available?
We offer multiple financing options through approved credit programs to help customers manage HVAC, plumbing, and electrical system replacements or upgrades.
What areas do you service?
We serve Longmont, Boulder, Fort Collins, Louisville, Lafayette, and surrounding Northern Colorado communities for all HVAC, plumbing, and electrical needs.
Are technicians certified?
All technicians are NATE-certified and factory-trained with Bryant products, maintaining ongoing education in the latest HVAC, plumbing, and electrical technologies.
Do you offer emergency services?
Yes, we provide 24/7 emergency HVAC and plumbing services to address urgent heating, cooling, and plumbing issues at any time.
