Fort Collins HVAC Experts
Your Comfort is Our Priority
Complete HVAC Solutions for Northern Colorado
Heating System Repair
24/7 emergency furnace repairs for Colorado winters. Our technicians carry common parts for Carrier, Trane, and Lennox units to get your heat restored fast.
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Air Conditioning Service
Beat Colorado's intense summer heat with reliable AC service. We handle everything from routine tune-ups to complete system installations.
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Furnace Installation
High-efficiency furnace installations designed for Fort Collins' elevation and climate. We'll help you choose the right system for your home's unique needs.
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HVAC Maintenance
Preventive maintenance plans that extend equipment life and prevent costly breakdowns. Our seasonal tune-ups prepare your system for Colorado's extreme weather swings.
Learn more →Getting Your Comfort Back is Simple
Our streamlined process gets Fort Collins homes comfortable again, fast
Call Us Today
Reach Welzig Heating and Air at (970) 555-0123. We answer phones 24/7 for emergencies and schedule convenient appointments for routine service.
Expert Diagnosis
Our licensed Colorado technicians arrive in fully-stocked service vehicles to pinpoint the exact issue with your heating or cooling system using advanced diagnostic tools.
Transparent Repair
We explain the problem in plain English, provide upfront pricing, and complete repairs using quality parts backed by our satisfaction guarantee.
Comfort Restored
Test your system to ensure proper operation, clean up our work area, and provide maintenance tips to keep your Fort Collins home comfortable year-round.
Colorado Winters Don't Wait for Broken Furnaces
Fort Collins temperatures can drop to -15°F overnight, and furnace failures spike when systems work hardest. Don't risk your family's comfort and safety — schedule your pre-winter heating system tune-up now and avoid emergency repair calls during the coldest nights.
Fort Collins Families Trust Welzig
“Our furnace died on a Sunday morning when it was 8 degrees outside. Welzig had a technician at our door within 2 hours and got our heat back on before my kids even realized it was cold. Outstanding emergency service!”
“Welzig installed our new high-efficiency furnace last fall. The technicians were professional, cleaned up perfectly, and the system has been flawless through this brutal winter. Great investment in our home's comfort.”
“I've used Welzig for 3 years for maintenance on both my furnace and AC. They always arrive on time, explain everything clearly, and their seasonal tune-ups have prevented any major breakdowns. Reliable local business.”