HVAC Contractor in Thunder Bay, Ontario

We're your friendly neighbourhood HVAC specialists, devoted to making sure your heating, cooling, and ventilation systems are nothing short of awesome. We're all about bringing you comfort, energy efficiency and a big dose of good vibes for both your homes and businesses. Just think of us as your personal comfort heroes!

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Welcome to D.Peppard Mechanical, home of SUPER DAVE and our team of heating heroes!

Hey Thunder Bay folks! We're your local HVAC heroes, committed to keeping your homes comfy and cozy since 2016. Our squad of 10+ dedicated champs is always ready to give you the personal attention you deserve. We've got a whole range of HVAC magic up our sleeves - furnaces, air conditioning, heat pumps, you name it! All designed to enhance your home's air quality and energy efficiency.

Don't just take our word for it, our track record speaks for itself. We've got a bunch of positive feedback and we're committed to keeping those standards high. So, come on in, explore our offerings and let us tailor-make efficient solutions just for you. Super Dave and his team are just a call away!

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Our Commitment

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Outstanding Workmanship

Our meticulous service process ensures exceptional quality, contributing to cleaner air, enhanced health, and greater energy efficiency in your home, making it a valuable investment.

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Transparent Pricing

Our clear cost breakdowns ensure no unexpected expenses, empowering you with financial clarity and confidence in choosing the right solutions for your home's comfort.

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Emergency Services

Swift and reliable responses ensure your home's comfort and safety are restored quickly, minimizing inconvenience and offering peace of mind even during unexpected situations.

Services We Offer

FAQs

Book Your HVAC Consultation Today!

Exceptional HVAC Expertise at Your Service

Say hello to D.Peppard Mechanical Inc.! Since our establishment in 2016, we've been working tirelessly to provide top-tier HVAC services, specializing in furnace and boiler installations. We're all about energy-efficient solutions that not only ensure the best performance but also extend the lifespan of your systems. From installation to thorough maintenance and speedy emergency repairs, we've got you covered in Thunder Bay and beyond! Using state-of-the-art diagnostic tools, we're able to deliver precise and efficient results every time. So why choose us? Well, we offer expertise, reliability, and a commitment to helping you save energy through our renowned HVAC services. Get ready for unparalleled comfort and quality with our professional solutions. Super Dave and his crew are always ready to save the day!

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Client Reviews

Explore Our Latest Industry Insights

Furnace unit in a basement, with ventilation pipes and nearby walls.

Why It’s Smart to Upgrade Your Furnace Before the New Year

December 17, 2025
Beat the winter rush! See why upgrading to an energy-efficient furnace before 2026 improves comfort, lowers heating bills, and ensures you have the reliable backup heat that Thunder Bay winters demand.
Super Dave character with cape and wrench, next to D. Peppard Mechanical Inc. logo.

Meet Super Dave: The Hero Behind D. Peppard Mechanical

December 13, 2025
Learn how Super Dave and D. Peppard Mechanical deliver trusted HVAC and plumbing services to keep Thunder Bay homes and businesses comfortable year-round.
Heat pump unit in snow next to a wooden building on a sunny winter day.

Heat Pump or High‑Eff Furnace? Best Pick for Thunder Bay Winters

December 3, 2025
Compare heat pumps and high‑efficiency furnaces for Thunder Bay winters. Learn why backup heat is required, and find the best solution for safe, reliable home comfort with D. Peppard Mechanical.
Plumber inspecting a white water heater mounted on a tiled wall.

Why Is My Water Heater Leaking? Causes and Solutions

November 19, 2025
Notice a leak? Find out what causes water heater leaks and when to call in D. Peppard Mechanical for expert repairs.
Close-up view of shiny, metallic ventilation ducts and pipes in an industrial setting.

Breathe Easy During Holiday Gatherings with Proper HRV Installation

November 5, 2025
Hosting this season? Learn how HRV installation ensures healthy indoor air quality for holiday guests in Thunder Bay.
A utility room with a water heater, furnace, and ductwork against white walls and a gray floor.

Single-Stage vs. Two-Stage Furnaces: What’s Best for Your Ontario Home?

October 21, 2025
Learn about the differences between single-stage and two-stage furnaces and which suits your needs.

Why is My Water Heater Not Providing Enough Hot Water? Common Ontario Home Issues

October 7, 2025
Identify causes and solutions for limited hot water supply in your home.
A man in a blue uniform and cap examines an air conditioning unit mounted on a white wall.

Should You Inspect Your HVAC System Annually in Ontario?

September 16, 2025
Discover the benefits of regular HVAC check-ups for efficient performance.
Blue flexible ductwork connected to a metal distribution box, mounted on a wooden ceiling.

Improving Indoor Air Quality with HRV Systems in Ontario Homes

September 2, 2025
Learn how heat recovery ventilation systems can enhance your indoor air quality.
Man in safety glasses and gloves installing HVAC ductwork with a wrench.

Ensuring Efficient Gas Line Installations in Thunder Bay

August 19, 2025
Discover best practices for safe and efficient gas line installations.
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Discover insights and expert advice in the HVAC industry through our engaging blog. Whether you're looking for tips on enhancing energy efficiency or understanding the latest in heating and cooling technologies, our posts are designed to inform and inspire. Dive deeper into industry trends today.

Experience Our Quality Through Project Images

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Need Expert HVAC Solutions?

Experience unparalleled HVAC services with our team, ensuring energy-efficient solutions tailored to your needs. Book now to enjoy optimized comfort and cutting-edge technology.

Let us enhance your home's air quality and efficiency today with seamless installation and maintenance!