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St. Thomas and
Surrounding Area

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Our Services


Whether you have a heater, a furnace, a package heating system or a ductless heating system, our professionals can service, repair and update whatever you use to heat your home.

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Our experts can service and repair your home's air conditioning system, as well as help you upgrade to a new Armstrong Air conditioner or a ductless cooling system when needed.

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Hot Water

Our team will fix any issue you have with your water heater. We install Rinnai Tankless Water Heaters that will supply your hot water quickly, affordably and sustainably.

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Install a Kingsman fireplace to bring warmth and community to your home or outdoor living space. Our team offers expert service for any fire feature you have in your home.

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Pool Heaters

Our certified professionals are experienced in servicing and installing all types of pool heaters. We will fix your existing heater or help you decide which new system is right for your home.

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Appliance Hookups

At G.W.B. Heating & Cooling, our certified professionals can expertly hookup a wide range of household appliances. Give us a call today, and let's get started.

Air Filters

For the cleanest home, air filters should be replaced every three months. Doing so regularly keeps your family healthy and can lower your energy consumption costs by 5-15%. Call us and have your filter replaced today.

Maintenance Contracts

For $16.58 a month, a furnace and AC maintenance contract ensures that our professionals keep your home’s HVAC systems running efficiently and at optimal costs all year long. Give us a call to learn more.

Financing Options

Why rent when you can own? G.W.B. offers flexible financing options that are customized for your specific situation, with rates and terms up 15 years. Call us today and we'll help build the right plan for you.

Areas We Serve

London, ON  –  St. Thomas, ON  –  Central Elgin, ON

Aylmer, ON  –  Malahide, ON  –  Port Stanley, ON

Port Burwell, ON  –  Strathroy, ON  –  Dutton-Dunwich, ON

Don’t know if we can make it to your location?

Give us a call and find out! Even if we can’t service you personally, we will get you on the right track to solving your problem.

Call Now (519) 857-7139