Trusted Local Comfort Experts Since 1994
Welzig Heating, Air, Plumbing & Electric proudly serves homeowners throughout Longmont, CO with dependable heating, cooling, plumbing, and electrical solutions. Since 1994, we’ve helped families across the Greater Boulder Area stay comfortable with expert service, honest recommendations, and fast response times.
When something goes wrong in your home, you need a local team you can trust. Our certified technicians understand the homes, systems, and seasonal demands unique to Longmont — and we’re ready to help when you need us most.
Call now to schedule service or request a free estimate.
Why Choose Welzig in Longmont?
Choosing a home service company is about more than fixing a problem — it’s about peace of mind. Longmont homeowners choose Welzig because we combine high technical standards with friendly, professional service.
Our technicians are fully licensed, insured, and factory trained, and we take the time to explain your options clearly before any work begins. From your first call to final follow-up, your comfort and satisfaction are always our priority.
HVAC Services for Longmont Homes
Colorado’s changing seasons demand dependable heating and cooling systems. Welzig provides complete HVAC services in Longmont to keep your home comfortable, efficient, and reliable all year long.
Whether you need fast repairs, routine maintenance, or a full system upgrade, our certified technicians deliver solutions designed around your home’s needs and your long-term comfort.
Heating Services in Longmont
When temperatures drop, you need a heating system you can rely on. We service and install a full range of heating equipment to keep your home warm and efficient during Colorado winters.
Our heating services include:
- Furnace repair and troubleshooting
- Furnace replacement and installation
- Heat pump heating services
- Seasonal heating tune-ups
- Boiler repair and replacement
Air Conditioning Services in Longmont
When summer heat arrives, your cooling system needs to perform without interruption. Welzig offers expert air conditioning services to keep your home cool, comfortable, and energy efficient.
Our cooling services include:
- Air conditioning repair
- AC replacement and installation
- WiFi Thermostats
- Seasonal AC maintenance
- Duct repair and maintenance
Plumbing Services for Longmont Homes
Plumbing issues can disrupt your entire day if they’re not handled quickly and correctly. Welzig provides professional plumbing services in Longmont designed to restore function, protect your home, and prevent recurring problems.
Our licensed plumbers take the time to diagnose issues accurately and recommend solutions that make sense for your home and budget — whether it’s a small repair or a larger system upgrade.
Plumbing Repair & Maintenance
From slow drains to unexpected leaks, our team responds quickly to plumbing issues to minimize damage and inconvenience.
Our plumbing repair services include:
- General plumbing repairs
- Tank water heaters and tankless water heaters
- Drain cleaning and clog removal
- Fixture repair and replacement
- Preventive plumbing maintenance
Electrical Services for Longmont Homes
Your home’s electrical system should be safe, reliable, and built to handle modern demand. Welzig offers professional electrical services in Longmont to help protect your home and ensure everything works as it should.
Whether you’re addressing an urgent electrical issue or planning upgrades, our licensed electricians deliver expert workmanship with clear communication every step of the way.
Our electrical services include:
- Electrical troubleshooting and repairs
- Electrical installation and replacement
- Generator repair and installation
- Circuit and breaker repairs
Our Service Process
We believe great service starts with transparency and ends with your satisfaction. When you call Welzig, you can expect prompt scheduling, thorough diagnostics, and straightforward recommendations.
Our technicians arrive on time, respect your home, and complete every job with care. After service is complete, we follow up to make sure everything meets our high standards — and yours.
Proudly Serving Longmont & Nearby Communities
Welzig proudly serves homeowners throughout Longmont, including Old Town Longmont, Prospect New Town, Northwest Longmont, South Longmont, and nearby communities such as Niwot and Mead.
If you’re unsure whether you’re within our service area, just give us a call — we’re always happy to help.
Frequently Asked Questions
Do you offer emergency service in Longmont?
Yes. Welzig offers 24/7 emergency HVAC, plumbing, and electrical service for Longmont homeowners.
Are your technicians licensed and insured?
Absolutely. All Welzig technicians are fully licensed, insured, and professionally trained.
How quickly can you respond to service calls?
We prioritize fast response times and strive to provide same-day service whenever possible.
Schedule Service in Longmont Today
When you need HVAC, plumbing, or electrical service in Longmont, CO, trust the local experts who have been serving the community for decades.
Call now to schedule service, or complete the contact form below to request an appointment.
