air conditioning contractor in Catharines

HECO Limited, Your one stop shop for design, installation, financing, and energy savings for Industrial Refrigeration, Process Cooling, Freon and more.

Niagara Region's most trusted home comfort provider for 50 years.

Quality heating and cooling products and services. Serving the Niagara region with 100% satisfaction guaranteed.

Enviro-Niagara is the right choice for your heating and air conditioning needs in the Niagara Region. Residential and Commercial sales, service and instal

J&S Heating and Air Conditioning has been serving the Niagara region since 1956.We offer free, no obligation, competitive quotes on replacement heating, cooling, and refrigeration equipment.We se…

Service Experts Heating & Air Conditioning has been serving the Niagara community for over 60 years, providing heating, AC, & indoor air quality services.

For top heating, cooling, indoor air quality and fireplace products and services, try Brian Easton & Sons Heating and Air Conditioning in the Niagara Region. Our Customers Refer Us to Their Frien…

We are a locally owned and operated Heating/ Air Conditioning, Service and Installation Company. Serving from Lake Erie to Lake Ontario.

Not too hot, not too cold... Just Right

Call Guenther Ltd. at 888-851-7114 now for exceptional HVAC Contractor service in St. Catharines, ON!

At Red Seal Mechanical Systems & Controls, we are committed to providing quality, professional heating and cooling service and installations to our residential and commercial customers

Building Solutions

Welcome to the Reliance Home Comfort facebook page. We're here to share tips and ideas on how to make your home safer, more affordable, more comfortable and greener. We'd love to hear from you.

MacKay Heating & Cooling keeps homes safe and comfortable with its heating and cooling services. We keep your unit running at optimal efficiency to ensure proper humidity, ventilation, and temper…

At ENERSTAR, it is our goal to leave our Niagara clientele with the peace of mind that comes with knowing that their HVAC is running at peak efficiency.