Furnace Installation & Repair
Hold off the damp Haldimand cold with furnace repairs, high-efficiency installs, and seasonal tune-ups matched to the way older Dunnville homes hold heat.
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Dunnville's Trusted HVAC Experts
Dunnville Heating & Cooling, Expert Heating & Cooling Repair in Dunnville, ON
At Dunnville Heating & Cooling, we treat your home like our own. Serving Dunnville, Ontario and Brant/Haldimand-Norfolk, we deliver honest, efficient, and dependable HVAC solutions for year-round comfort.
- 24/7 HVAC Service
- FinanceIt Financing
- 100% Satisfaction Guaranteed
- Licensed & Insured
24/7Emergency service
Licensed& fully insured
FreeNo-obligation quotes
Guaranteed100% satisfaction
LennoxPremier Dealer
About Us
Your Trusted Partner for Year-Round Comfort in Dunnville
Losing heat on a freezing Haldimand night or watching the AC fail during a sticky Grand River summer puts your whole household on edge.
We are a family-run shop rooted in Dunnville, and we know the rhythm of a town built on the Grand. From the humid valley air that settles in each summer to the damp cold that pushes straight through older walls in January, we tune every repair and install to the way homes here actually perform.
Backed by our 100% satisfaction guarantee on every job.
Full Service, One Team
Everything Your Home Comfort System Needs, Under One Roof
Heating, cooling, air quality, and controls, all looked after by the same crew. Whether it is a repair today or a maintenance plan that keeps things running for years, you only need one number.
AC Installation & Repair
Clear the muggy Grand River valley air with central and ductless AC repairs, refrigerant service, and coil cleans that restore cooling and pull out the humidity.
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Run one efficient system all year. We size, install, and maintain heat pumps so your home stays comfortable and your energy costs stay manageable.
Learn moreDuct Cleaning
Clear built-up dust, pollen, and farm debris from your ducts to lift airflow, ease the strain on your equipment, and freshen the air your family breathes.
Learn moreThermostats
Cut waste with smart and programmable thermostat installs that set back the heat while you are out and have the house warm again before you return.
Learn moreDuctless AC Installation
Made for Dunnville's older homes and rural additions, our mini-split installs bring quiet, zoned, energy-saving comfort to rooms that ductwork cannot reach.
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Our Process
Why Choose Dunnville Heating & Cooling?
No guesswork, no runaround. Here is how we take a Dunnville comfort problem from first call to lasting fix.
Find the Real Cause First
We do not just chase symptoms. A technician tests the whole system, finds the actual fault, and explains it in plain terms so you understand exactly what is wrong before you spend a dollar.
Financing That Fits
A new furnace or AC is a big purchase, so we walk you through straightforward financing options that spread the cost. You get the comfort you need now without derailing the household budget.
Maintenance That Keeps It Running
Once your system is right, we keep it that way with seasonal check-ups tuned to Haldimand weather. A little upkeep each spring and fall prevents the mid-season breakdowns nobody wants.
Testimonials
What Dunnville Homeowners Are Saying
We're proud to be the heating and cooling partner our neighbours trust and recommend.
“The team saved us with an emergency furnace repair in January. Professional, friendly, and they truly cared about our comfort.”
SM
Sarah M.Dunnville, ON
“Best team for HVAC! They helped us choose an energy-efficient AC system without upselling unnecessary equipment.”
DR
David R.Brantford, ON
“Prompt, polite, and knowledgeable. They handled our heat pump installation with real pride. Highly recommend.”
JT
Jennifer T.Paris, ON
Comfort Care
Comfort Care: Our Annual Maintenance Plan
Keep your furnace, air conditioner, heat pump, or boiler running its best with a Comfort Care membership. Members get priority booking, 15% off repairs all year, and detailed service records that back your warranty, all from the same local team that already knows your equipment.
Ready to Improve Your Home Comfort?
No matter the make or model, our experts have the tools and experience to handle any furnace, air conditioner, heat pump, or ventilation issue, fast.
From the Blog
Latest News & Home Comfort Tips
Practical advice to help you get the most from your heating and cooling system in Dunnville's climate.
Home Comfort Tips
How Often Should You Service Your HVAC System in Dunnville, Ontario?
Dunnville'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 Dunnville Winter
Don't wait for the coldest night of the year. Here are the most common warning signs your furnace needs repair before a Dunnville winter sets in.
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Home Comfort Tips
Why Your Air Conditioner Struggles During Humid Dunnville 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
Frequently Asked Questions
Answers to the questions Dunnville homeowners ask us most.
How quickly can I get furnace repair in Dunnville, Ontario?
Most calls in Dunnville and across Haldimand are handled the same day, with no-heat emergencies pushed to the front. From downtown by the river out to the surrounding farm country, we will give you a dependable arrival window.
What types of AC repair services do you offer?
We fix central air conditioners, ductless mini-splits, and heat pumps, tracking down refrigerant leaks, blown capacitors, frozen coils, and weak airflow. With the humid air the Grand River valley traps each summer, we put as much emphasis on dehumidification as on temperature.
How do I know if my heat pump needs repair or replacement?
Common warning signs are short cycling, ice that will not clear, lukewarm airflow, and hydro bills that climb for no reason. We run complete performance and defrost checks first and only recommend replacement when a repair no longer pays off.
Why is duct cleaning important for my home?
Years of dust, pollen, and farm debris collect in your ductwork and recirculate each time the blower runs. A professional cleaning opens up airflow, takes strain off your furnace and AC, and is a real help for allergy sufferers around Haldimand and Norfolk.
Can you repair or replace my thermostat?
Yes. We repair thermostats that misread or stop responding and install programmable or smart models, so you can dial the heat back while you are out on the water or working the fields and still come home to a warm house.
What types of fireplaces can you install?
We install direct-vent gas, electric, and wood-burning fireplaces, sized and vented to local code. Many Dunnville homeowners add a gas insert as a cozy, efficient backup heat source that also lightens the load on the furnace in winter.
Do you install ductless AC systems, and are they energy-efficient?
We do, and mini-splits are a great fit for Dunnville's older homes, rural additions, and workshops where adding ductwork is impractical. Zoned to the rooms you actually use, they trim energy use while delivering steady comfort.
Are your technicians licensed and experienced?
Every technician is fully licensed, insured, and trained on the furnace and AC brands common across Haldimand and Norfolk. You always know who is arriving, and every job is backed by our follow-up guarantee.
Do you serve areas outside of Dunnville, Ontario?
Yes. We provide HVAC services throughout Dunnville and nearby communities including Brantford, Paris, Caledonia, Simcoe, and across Brant/Haldimand-Norfolk.
Do you offer 24/7 emergency service?
We do. A furnace failure in the dead of a Haldimand winter cannot wait for morning, so our emergency line stays live around the clock. Call any time and we will get a technician out to restore your heat or cooling.