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Experienced Professionals for Residential Services in the Niagara Region

J & S Heating And Air Conditioning 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. We offer reliable residential services in St. Catharines and the Niagara Region.

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

J & S Heating And Air Conditioning is an authorized Carrier® dealer and pleased to sell and install a wide array of energy-efficient equipment for your home. Whether you are looking for a gas furnace in St. Catharines or a tankless water heater in Niagara Falls, we have options that make sense for your home and your budget. Should your Carrier equipment break down, you can rest assured that only Carrier parts will be used in the repair. Our experienced team also does replacements for your older, less efficient models, which will save you money in the long run.


For great deals on furnaces, air conditioners and more, be sure to look at our special deals! Our licensed technicians will sell and install the following:

For a full list of the equipment we carry, view our products and the brochures on each item. To schedule regular maintenance checks or request a free quote, be sure to contact J & S Heating And Air Conditioning in St. Catharines today.

We Are There When You Need Us – 24 Hours, 7 Days a Week

J & S Heating And 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.

J & S Heating And Air Conditioning offers yearly residential maintenance to major appliances as well as replacement for old models and sales of new models. Be sure to call us any time for information about our products and services!

Save Money in the Long Run with Preventative Maintenance Programs

J & S Heating And Air Conditioning has annual preventive maintenance programs for residential customers. Through our insurance carrier, Integrated Warranty Systems Inc., we offer a complete annual plan that includes one service cleaning and maintenance check per year and a one-year limited parts and labour warranty. We are able to warrant equipment up to 20 years of age.


We offer residential plans for:

  • Furnaces

  • Air conditioners

  • Heat pumps

  • Combination furnace and air conditioners

  • Electronic air cleaners

  • Gas fireplaces

  • Boilers

  • Hot water heaters (conventional, power vented and tankless)


Please note that all residential preventive maintenance plans automatically renew each year unless written notice is received prior to the renewal date of the contract.

If you’re looking for a new air conditioner or furnace, we also sell and install systems and accessories. So whether you want to schedule routine maintenance checks or have a new thermostat installed, call J & S Heating And Air Conditioning.

J&S Heating and Air Conditioning  is a factory authorized Carrier Dealer
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Reader’s choice 2021
Reader’s choice 2021 platinum winner
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Emergency Repairs

Call J & S Heating And Air Conditioning 24/7 for service

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