Furnace Installation & Repair
Stand up to lake-effect cold with furnace repairs, high-efficiency installs, and tune-ups built to keep Sarnia homes warm through the heaviest snow bands.
Learn more
Comfort Experts Across Ontario
Heating, Cooling & Air Quality Under One Roof
When your furnace quits in January or your AC gives out during a July heat wave, you need a team that answers. Homeowners across Sarnia and Lambton County count on us for straightforward advice, skilled repairs, and installations built to last. One call handles every season.
- 24/7 HVAC Service
- FinanceIt Financing
- 100% Satisfaction Guaranteed
- Licensed & Insured
24/7Emergency service
Licensed& fully insured
FreeNo-obligation quotes
Guaranteed100% satisfaction
Our Story, Your Comfort
The Team Lambton County Homeowners Call First
When lake-effect snow piles up and your furnace quits, or a humid St. Clair summer afternoon kills the AC, your home comfort is on the line.
We are a family-run team working out of Sarnia, and Lambton County weather is what we know best. Sitting on the Lake Huron shore means heavy snow bands, damp cold that bites in January, and sticky summers that demand real air conditioning, so the equipment in your home gets a genuine workout.
Backed by our 100% satisfaction guarantee on every job.
Every System, Every Season
One Team for Heating, Cooling, Air Quality, and Controls
Furnaces, air conditioners, heat pumps, ductless units, thermostats, ductwork: if it heats, cools, or moves air, we service it. No handoffs to other trades, no runaround. One company carries the job from first inspection to final check.
AC Installation & Repair
Clear the humid lakeside air with central air and ductless repairs, refrigerant service, and coil cleans that bring back real cooling and moisture control.
Learn moreHeat Pumps
One efficient system for Lambton County's snowy winters and sticky summers. We size, install, and maintain heat pumps for dependable comfort all year.
Learn moreDuct Cleaning
Pull settled dust, pollen, and particulate from your ductwork to lift airflow, reduce equipment strain, and freshen the air in your home.
Learn moreThermostats
Take charge of winter energy costs with smart and programmable thermostat installs that recover heat efficiently after a cold snap.
Learn moreDuctless AC Installation
A natural fit for Sarnia's older lakeside homes and additions, our mini-split installs bring quiet, efficient, zoned comfort where ducts cannot go.
Learn moreFireplace Installation
Create a warm gathering point for lake-effect evenings with gas, electric, and insert fireplaces, sized and code-installed for Sarnia's century homes.
Learn moreBoiler Service
Boiler repair, condensing installs, and annual maintenance for the gas, propane, and oil hydronic systems heating Sarnia's century homes and rural Lambton County.
Learn more
How We Work
Why Sarnia Calls Us First
Tough weather demands a dependable routine. Here is how every Sarnia and Lambton County service call works.
Built for Lake-Effect Cold
We size and service heating equipment to push through the snow bands and damp cold that hit Sarnia each winter, so your furnace keeps up when the temperature drops fast and stays down.
Clear Quotes Before We Start
A full diagnosis comes first, then a written quote with every option laid out. You choose what fits your home and budget, with no surprise charges tacked on after the work begins.
Tidy, Respectful Technicians
Our crew arrives when promised, uses drop sheets, and leaves your home as clean as they found it. From a thermostat swap to a full furnace install, the workmanship is the same standard every time.
Testimonials
Reviews Collected From Real Service Calls
Unfiltered words from the homeowners we have kept warm and cool over the years.
“Quick service and fantastic attention to detail during our furnace install - highly recommend!”
VW
Vanessa W.Sarnia, ON
“Great team that explains everything simply and does quality work.”
GH
Gerald H.Twin Lakes, ON
“Our furnace failed on one of the coldest days of the year. Sarnia Heating & Cooling was able to come out within an hour to assess the situation and make necessary repairs. They got everything back to normal quickly. Transparent process and pricing.”
AS
Amelia S.Point Edward, ON
Comfort Care
A Maintenance Plan That Works Year-Round
The busiest service days hit during heat waves and cold snaps, exactly when nobody wants to wait. Members skip the line with priority booking, save 15% on every repair, and carry a documented service history that speeds up future diagnostics and warranty claims. Enrollment takes one call.
Let's Get Your Comfort Sorted
Every hour without heat or cooling is an hour too many. Call and a licensed technician will walk you through next steps honestly, with no obligation attached to the conversation.
From the Blog
Latest News & Home Comfort Tips
Practical advice to help you get the most from your heating and cooling system in Sarnia's climate.
Home Comfort Tips
How Often Should You Service Your HVAC System in Sarnia, Ontario?
Sarnia's real seasons push your HVAC system hard. Here's how often you should service your furnace and AC, and why twice a year is the sweet spot.
Read article
Home Comfort Tips
Signs Your Furnace Needs Repair Before a Sarnia Winter
Don't wait for the coldest night of the year. Here are the most common warning signs your furnace needs repair before a Sarnia winter sets in.
Read article
Home Comfort Tips
Why Your Air Conditioner Struggles During Humid Sarnia Summers
If your AC runs all day but your home still feels sticky, humidity is likely the culprit. Here's why, and what you can do about it.
Read article
FAQs
Good Questions From Homeowners
Short answers to the questions that come up before almost every heating and cooling job.
How quickly can I get furnace repair in Sarnia, Ontario?
Most Sarnia and Lambton County furnace calls are resolved the same day, with no-heat emergencies taking priority. When a lake-effect cold snap hits, we move fast to get your heat back on, whether you are in Point Edward or out toward Bright's Grove.
What types of AC repair services do you offer?
We repair central air conditioners, ductless mini-splits, and heat pumps, chasing down refrigerant leaks, bad capacitors, frozen coils, and weak airflow. Sarnia's humid lakeside summers mean we focus on real dehumidification, not just colder air.
How do I know if my heat pump needs repair or replacement?
Tell-tale signs include short cycling, persistent ice, lukewarm airflow, and energy bills that climb with no weather change. We run full compressor and defrost diagnostics first, and only recommend a replacement once a repair stops being worth the cost.
Why is duct cleaning important for my home?
In Lambton County homes, dust, pollen, and industrial-area particulate can settle in the ductwork and recirculate every cycle. A professional cleaning restores airflow, eases the load on your furnace and AC, and is a real plus for anyone with allergies or asthma.
Can you repair or replace my thermostat?
Yes. We fix thermostats that misread or stop responding and install programmable or smart models, so you can set the heat to recover after a long cold snap and avoid wasting energy while the house sits empty.
What types of fireplaces can you install?
We install direct-vent gas, electric, and wood-burning fireplaces, sized and vented to code. A gas insert is a popular Sarnia choice as a dependable backup heat source when lake-effect storms stress the grid.
Do you install ductless AC systems, and are they energy-efficient?
We do, and mini-splits suit Sarnia's older lakeside homes and additions where ductwork is impractical. Zoned to the rooms you actually use, they trim energy use while delivering steady, quiet comfort.
Are your technicians licensed and experienced?
Every technician is fully licensed, insured, and trained on the furnace and AC brands common across Lambton County. You always know who is arriving, and each job is backed by our follow-up guarantee.
Do you serve areas outside of Sarnia, Ontario?
Yes. We provide HVAC services throughout Sarnia and nearby communities including Point Edward, Corunna, Petrolia, Forest, and across Lambton County.
Do you offer 24/7 emergency service?
We do. A furnace failure during a Sarnia snow event cannot wait until morning, so our emergency line runs around the clock. Call any time and we will get a technician out to restore your heat or cooling.