An HVAC system for heating and air conditioning in St Catharines
The following is a small list of commercial clients we presently service:
  • Durward Jones, Barkwell & Company
  • Niagara Fallsview Casino Resort
  • Waste Management Inc.
  • Grantham Mennonite Brethren Church
  • Stokes Seeds Ltd.
  • Verge Insurance Agencies
  • George Darte Funeral Chapel
  • Grantham Shopping Plaza
  • Birds Moving & Storage
  • Newman Bros. Limited
  • Thorold Public Library Board

24/7 Heating and Air Conditioning Service in St. Catharines

J&S is dedicated to the proper service and maintenance of heating, air conditioning and refrigeration systems. We have a highly skilled staff of licensed mechanics and technicians. The dedication, training and expertise of our team ensures every project is successfully completed to your satisfaction. Our reputation is built on exceptional workmanship.

Enhance Your Comfort with Carrier® Systems
J&S is an authorized Carrier® dealer. Should your Carrier equipment break down, you can rest assured that only Carrier parts will be used in the repair.

J&S is There When You Need Us – 24 Hours, 7 Days a Week
J&S Heating & Air Conditioning has the knowledge to service all makes and models. As we all know, breakdowns don’t always occur during normal business hours. We are here whenever you need us with 24-hour on-call emergency service available 7 days a week.

Our licensed technicians will service and install the following:
  • Furnaces
  • Boilers
  • Heat pumps
  • Air conditioners
  • Ductless split systems
  • Humidifiers
  • Electronic air cleaners
  • Conventional water heaters
  • Tankless water heaters
  • Packages
  • Thermostats & controls
  • Furnaces
  • Boilers
  • Heat pumps
  • Air conditioners
  • Ductless split systems
  • Conventional water heaters
  • Thermostats & controls
  • Rooftop units/make-up air units
  • Radiant tubes
  • Infrared heating
  • Unit heaters
  • Chillers
  • Ice machines
  • Reach-in coolers/freezers
  • Walk-in coolers/freezers
  • Dry-O-Trons
  • Water/cooling towers
  • Farm cold storage equipment