Tennant's Heating and Cooling

09/10/2026

Comfort you can count on, all year round. 🔥❄️
At Tennant’s Heating and Cooling, we’re proud to provide reliable HVAC sales, service, installation, and maintenance for homeowners throughout Haldimand, Hamilton & Niagara.
From furnaces and air conditioners to heat pumps, water heaters, fireplaces, indoor air quality and more, we’re here to keep your home comfortable in every season.
📍 Home to Dunnville
📞 289-455-7520
📧 [email protected]
Quality Service • Trusted Expertise • Comfort for Every Season

08/26/2026

05/06/2026

🤑Rebates are back🤑

From now until the end of November recieve up to $580 U.S. back on eligible Coleman HVAC equipment! If you’ve been waiting to upgrade your HVAC equipment now might be the time. We also offering financing!

Call or email today for a quote!

04/17/2026

Come visit our booth this weekend at the Dunnville Home, Garden, and Craft show!

🕙 Friday April 17th 10am- 8pm
🕙 Saturday April 18th 10am - 4pm
📍Dunnville arena

🎟️ free admission with food donation

04/09/2026

🚫🦠
Breathe better this allergy season!
Whole home air purification systems are great for every home. Helps with allergies, respiratory problems, and airbourne bacteria by removing indoor air particles and disinfects the airstream with UV light. If you suffer in the Spring/ Summer months, call us for more information!

03/30/2026

When this 20 year old furnace broke down, we were there the next day to change it. 👨‍🔧🧰

Always quick and reliable installs no matter what HVAC emergency you may have.