Available 24 Hours a Day, 7 Days a Week
Emergency HVAC Service in Sarnia & Lambton County
No heat? No AC? We answer the phone — day or night.
📞 Call Now: (519) 344-5521Emergency furnace repair • Emergency AC repair • Same-day service • Sarnia & Lambton County
⚠️ HVAC emergency? Don’t wait — furnace failures and AC breakdowns get worse fast. Our licensed technicians are on call right now.
Sarnia’s Emergency HVAC Experts — We’re Ready When You Need Us Most
When your furnace stops working in the middle of a January night — or your air conditioner fails during a summer heat wave — you need help now. Lambton ClimateCare provides 24/7 emergency HVAC service across Sarnia and Lambton County. One call connects you to a licensed, experienced technician who will diagnose and repair your system fast.
We understand that HVAC emergencies don’t follow business hours. That’s why our team is available around the clock, 365 days a year — including holidays — to restore your comfort and keep your family safe.
Emergency HVAC Services We Provide
🔥 Emergency Furnace Repair in Sarnia
No heat in your home is a safety emergency — especially in Sarnia winters. We diagnose and repair all furnace makes and models, fast.
❄️ Emergency AC Repair in Sarnia
A broken air conditioner during a heat wave is dangerous. Our techs respond quickly to get your cooling system running again.
🌡️ Emergency Heat Pump Repair
Heat pump not heating or cooling? We service all major heat pump brands and resolve emergency faults same-day.
💧 Emergency Boiler Repair
Boiler breakdowns can leave your home cold and risk pipe damage. Our emergency boiler repair service covers all residential and light commercial systems.
🚨 No Heat Emergency
If your home has no heat, call us immediately. Temperatures can drop to dangerous levels within hours. We prioritize no-heat calls year-round.
💨 Carbon Monoxide Concerns
If your CO detector is alarming or you suspect a gas issue, leave your home immediately and call us. Gas safety is our top priority.
Don’t Wait — Call Our Emergency Line Now
📞 (519) 344-5521Available 24/7 • Sarnia • Lambton County • Licensed & Insured
Why Sarnia Calls Lambton ClimateCare First
✅ Truly 24/7 — No Answering Machines
When you call our emergency line, a real person picks up. Not a voicemail. Not a call-back form. We take your call and dispatch a technician.
✅ Licensed, Insured Technicians
Every technician on our team is fully licensed and insured. You’ll never have to worry about who’s working on your home’s HVAC system.
✅ All Makes & Models
We service Lennox, Carrier, Trane, York, Rheem, Napoleon, and all other major HVAC brands — so you’re never turned away.
✅ Upfront Pricing
No surprise bills. Before any work begins, we’ll give you a clear diagnosis and a straight-forward quote — even in the middle of the night.
✅ Local & Community-Trusted
Lambton ClimateCare has been serving Sarnia and Lambton County for decades. We’re your neighbours — we’re invested in keeping your home comfortable and safe.
✅ ClimateCare Certified
As a proud ClimateCare member, we meet the highest standards for HVAC service quality and customer satisfaction in Ontario.
When Should You Call for Emergency HVAC Service?
- Your furnace won’t turn on or shuts off immediately
- Your home has no heat and the temperature is dropping
- You hear banging, screeching, or unusual noises from your HVAC system
- Your carbon monoxide detector is alarming
- You smell gas or burning from your furnace or air handler
- Your AC stops working during a heat advisory or extreme heat event
- Your system is blowing cold air when heat is requested (or vice versa)
- Water is leaking from your HVAC unit or heat pump
If any of these apply, call us immediately: (519) 344-5521
Emergency HVAC Service Area
We provide 24/7 emergency HVAC service throughout Sarnia and the surrounding Lambton County region, including:
Sarnia • Point Edward • Bright’s Grove • Corunna • Petrolia • Lambton Shores • Forest • Watford • Plympton-Wyoming • Oil Springs • Brooke-Alvinston
Not sure if we cover your area? Call us and we’ll let you know right away.
Don’t Wait to Solve Your HVAC Emergency
Call Lambton ClimateCare now for fast, professional emergency HVAC service in Sarnia. We’re standing by 24/7.
📞 Call (519) 344-5521 Now24/7 Emergency HVAC Service • Sarnia & Lambton County • Licensed & Insured
