Trusted HVAC Services in St. Marys
Home comfort in St. Marys should be easy — and with Aire One, it is. We’ve been providing dependable HVAC services in St. Marys for decades, helping families stay warm in winter, cool in summer, and efficient all year. Get your free quote now!
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Perth East HVAC You Can Count On
As a trusted HVAC company St. Marys, we take care of everything from quick furnace repairs to complete air-conditioning installations and tune-ups. No confusion, no pushy sales — just clear answers and quality work from people who care.
No pressure, no confusion — just honest service that gets the job done right. Get your free quote today!
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Eco-Friendly Solutions
Professional Staff
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HVAC Services in St. Marys
Complete Heating and Cooling Services in St. Marys
Reliable HVAC St Marys experts. Fast furnace repair, AC installation, and 24-hour emergency HVAC service from licensed local technicians you can trust.
Furnaces in St. Marys
Cold Ontario nights call for a reliable furnace. Our HVAC St Marys team repairs, installs, and maintains heating systems built to last.
Furnace installation
Energy-efficient upgrades that lower bills.
Furnace repair
Same-day repairs for any brand or model.
Furnace Maintenance
Prevent breakdowns before they start.
Furnace rentals
Flexible options if you’d rather rent than buy.
Air Conditioning in St. Marys
Summer comfort starts with cooling that works when you need it. Aire One delivers full air-conditioning services in St Mary’s — reliable, efficient, and worry-free.
AC Installation
Properly sized systems installed for long-term performance.
AC Repair
Fast, local fixes to keep your home cool again.
AC Maintenance
Routine service to extend system life.
AC Rental
Ideal comfort without long term commitment.
Heat Pumps in St. Marys
Heat pumps give you heating and cooling in one smart, efficient system — perfect for heating and cooling St Marys homes year-round.
Heat pump installation
Quiet, high-efficiency models for all-season comfort.
Heat Pump Repair
Skilled repair service for every make and model.
Heat Pump Rental
Choose a smart, stress-free approach.
Emergency Service
24/7 help when your comfort can’t wait.
Electrical Services in St. Marys
Your comfort depends on safe, reliable power. Aire One’s licensed electricians provide full electrical solutions across St. Marys and Perth County to keep your home efficient and protected.
Electrical Upgrades
Modern panels and wiring for improved safety and performance.
Lighting Installation
Energy-saving indoor and outdoor lighting that brightens every space.
Smart Home Integration
Seamless thermostat, lighting, and comfort control integration.
Panel Upgrades
Safe, modern power for your home.
Water and Air Quality in St. Marys
Comfort is more than temperature — it’s clean air and pure water. Aire One helps St. Marys homeowners create healthier living environments with complete air and water solutions.
Water Heaters
Reliable, energy-efficient hot-water systems.
Water Filtration
Filtered, softened water that tastes better and protects plumbing.
Duct Cleaning
Cleaner air, better airflow, and improved HVAC efficiency.
Air Purifiers
Purifiers, humidifiers, and ventilators for fresher indoor air.
Waterloo Water and Plumbing Services
We also handle boiler repair and installation, water heater services, plumbing solutions, duct cleaning, and HVAC maintenance plans to keep every system in your home running smoothly.
Rebates & Energy Savings for St. Marys Homeowners
Upgrading your system can do more than improve comfort — it can help you save every month. Aire One helps St. Marys homeowners access Ontario’s best energy-efficiency rebates for HVAC upgrades, high-efficiency furnaces, smart thermostats, and heat pumps that make your home more efficient.
You can check our Rebates for Energy-Efficient Plans page for current offers or call us today, and we’ll help you find the best rebates available for your home. We’ll guide you through every step so you can breathe better, feel better, and live better — all backed by trusted local service at the lowest possible price.
Schedule Service24/7 Emergency HVAC St. Marys
No heat on a freezing night or no AC during a heatwave? We’ve got you covered. Aire One provides 24-hour emergency HVAC repair St Marys, responding quickly to restore comfort and peace of mind. Our HVAC St Marys technicians arrive prepared to fix furnaces, AC units, and heat pumps safely, quickly, and affordably — anytime, day or night.
HVAC Protection Plans
HVAC Maintenance & Protection Plans in St. Marys
Regular maintenance goes a long way toward keeping your system reliable and efficient. Our HVAC maintenance St Marys plans include seasonal tune-ups, safety checks, and priority service during busy times. Every visit is done by licensed HVAC technicians in St Marys, making it easy to stay ahead of breakdowns and keep your heating and cooling system running all year efficiently.
Stay ahead of breakdowns and keep your system running strong with local maintenance you can count on. Book your HVAC service in St. Marys today!
Aire One HVAC company in Perth East
Why Homeowners Choose Aire One St. Marys
We’ve been serving the heating and cooling needs of St. Marys and its surrounding communities for over 35 years. Our focus has always been the same — honest work, local expertise, and lasting comfort.
Local Experts
Serving St. Marys and the Stratford region.
Certified Technicians
Fully licensed and factory-trained.
Always Available
24-hour service for urgent repairs.
Honest Pricing
Clear quotes, no upselling, no surprises.
Comfort shouldn’t be complicated
Our St. Marys HVAC team keeps heating, cooling, and air quality simple — no stress, no runaround. Whether it’s a small repair, a full system replacement, or just a quick check-up, we’ll help you get comfortable again fast. You’ll always get clear answers, fair pricing, and friendly local service from people who care about doing things right.
Call us today to book your HVAC service in St. Marys — and let’s get your home back to comfortable!
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Frequently Asked Questions
Don’t wait until something breaks down. A quick visit from the Aire One Heating & Cooling St. Marys team can help your system run better, save energy, and keep your home feeling just right all year.
contact us1-866-234-8200