Commercial HVAC Services in Skagit and Whatcom Counties
Heating, cooling, and ventilation for offices, retail, warehouses, restaurants, and commercial buildings across Bellingham, Mount Vernon, Anacortes & beyond.
The Region's Trusted Commercial HVAC Team
From rooftop unit installations in Bellingham to full building HVAC buildouts in Mount Vernon, boiler repairs in Anacortes, and emergency heating calls anywhere in between — LaVergne's keeps your business comfortable year-round. We've been the trusted name in commercial heating and cooling across Whatcom and Skagit Counties since 1951.
Our certified HVAC technicians specialize in rooftop units, split systems, boilers, furnaces, ventilation, ductwork, refrigeration, controls, and preventive maintenance programs — serving offices, restaurants, retail, warehouses, medical facilities, and multi-tenant buildings across the entire region.
What to Look for in a Commercial HVAC Contractor
Whether you're managing an office building in Bellingham, a restaurant in Mount Vernon, or a warehouse in Anacortes — choosing the right HVAC contractor protects your property, your tenants, and your bottom line.
Why LaVergne's?
We check every box. Locally owned and operated since 1951.
- Licensed & Insured (#LAVERPH798NZ)
- 75+ Years in Whatcom & Skagit
- All Commercial HVAC Systems
- Upfront, Honest Pricing Always
- Preventive Maintenance Programs
- 24/7 Emergency — Regionwide
Our Commercial HVAC Services
Eight specialized service areas covering every heating, cooling, and ventilation need for commercial buildings across Bellingham, Mount Vernon, Anacortes & surrounding areas.
Rooftop Units (RTUs)
Installation, repair, and replacement of packaged rooftop heating and cooling units for offices, retail, and warehouses.
Schedule →Split Systems
Commercial mini-split and multi-zone split system installation, repair, and seasonal maintenance for precise climate control.
Quote →Boiler Systems
Commercial boiler installation, repair, maintenance, and replacement — gas-fired, oil, and hydronic heating systems.
Call Now →Ventilation & Air Quality
Commercial ventilation design, exhaust systems, make-up air units, air filtration, and indoor air quality solutions.
Learn More →Ductwork & Sheet Metal
Custom duct fabrication, installation, sealing, insulation, and ductwork modifications for buildouts and retrofits.
Get Started →Commercial Furnaces
Gas and electric furnace installation, repair, and replacement — high-efficiency units sized to your building.
Quote →Refrigeration Systems
Walk-in coolers, freezers, display cases, and commercial refrigeration installation, repair, and maintenance.
Fix Now →Controls & Thermostats
Building automation, programmable thermostats, zone controls, and smart HVAC management for energy savings.
Schedule →HVAC Emergency? We're On It.
24/7 commercial HVAC emergency service across Bellingham, Mount Vernon, Anacortes & all surrounding areas.
Commercial HVAC Maintenance Plans
Your HVAC system is the backbone of your building's comfort and productivity. Preventive maintenance reduces breakdowns, extends equipment life, and lowers energy costs — keeping your business running smoothly year-round.
We service all major commercial brands and system types. From seasonal tune-ups to comprehensive maintenance contracts, we build a plan around your building's specific needs and schedule.
Seasonal Tune-Ups
Pre-season inspections for heating and cooling — catch problems before they become emergencies.
Schedule →Filter & Belt Service
Regular filter changes, belt inspections, and replacements to maintain airflow and efficiency.
Details →System Diagnostics
Performance testing, refrigerant checks, electrical inspections, and thermostat calibration.
Learn More →Priority Response
Maintenance plan members get priority scheduling and discounted rates on emergency calls.
Enroll →
The Vital Role Plumbers Play in Our Communities
From homes in Bellingham to businesses in Mount Vernon to waterfront properties in Anacortes — every plumbing system needs expert care. Proper plumbing protects your family's health, safeguards your investment, and ensures clean water flows safely.
Without licensed professionals, small problems become costly emergencies — burst pipes, contaminated water, gas leaks, and structural damage that a single call could prevent.
Health & Safety
Clean water, waste removal, backflow prevention
Property Value
Prevent damage, protect foundations & value
Cost Savings
Efficient fixtures, lower water bills
Plumbing Service FAQs
Common questions answered by our plumbing experts serving homeowners and businesses across Skagit and Whatcom Counties.
How much does bathroom or kitchen plumbing cost?
Simple repairs run $150–$300. A full remodel ranges $2,000–$8,000 depending on scope. We always provide upfront pricing before work begins.
Do you handle commercial plumbing projects?
Yes! We service restaurants, retail spaces, offices, and multi-unit buildings throughout Skagit and Whatcom Counties — from grease traps to full buildouts.
Is gas fitting safe to do myself?
Absolutely not — gas work requires a licensed professional. Improper fitting can cause leaks, explosions, and carbon monoxide poisoning. We're fully licensed.
What's included in whole-house plumbing?
Complete repiping, main line replacement, water pressure optimization, whole-house filtration systems, and comprehensive inspections for new and existing homes.
How fast can you respond to a water leak?
We offer 24/7 emergency leak repair and typically respond within 1–2 hours regionwide. Turn off your main water valve and call 360-685-8098 immediately.
Do you winterize outdoor plumbing systems?
Yes! Skagit and Whatcom Counties winters demand it. We offer hose bib insulation, pipe wrapping, sprinkler blowouts, and full winterization packages across the region.
When should I replace my water heater?
Most tank water heaters last 8–12 years. Warning signs include rusty water, rumbling noises, inconsistent temperatures, and visible leaks around the base of the unit.
Do you offer free estimates?
We provide upfront pricing on every job before any work begins. No hidden fees, no surprise charges — you'll know exactly what it costs before we start.
What areas do you serve?
We serve all of Skagit and Whatcom Counties including Bellingham, Mount Vernon, Anacortes, Burlington, Sedro-Woolley, Ferndale, Lynden, and surrounding areas.