Our Service

HVAC

Air Conditioning and Heating Specialists

Your Local Solution for Eco-Conscious Heating and Cooling

We care about your comfort—and your planet. Our sustainable practices and products help reduce your home’s carbon footprint without sacrificing performance.

Heating

When winter hits Ottawa, you need heating you can count on. At Marathon HVAC, we provide expert heating solutions—from high-efficiency furnaces and heat pumps to boiler systems and fireplace installs. Click the button below to see a full list of our services, including installation, repair, boilers, gas fireplaces. service and support 24/7.

Service Details

Cooling

Ottawa summers can be hot and humid—but you don’t have to sweat it. Marathon HVAC delivers fast, professional cooling solutions tailored to your home. Ottawa's Professional Cooling Services Experts – Experienced A/C & Ductless Mini-Split technicians. Are you in need of a new A/C unit? Perhaps start with a diagnostic to ensure you don't spend money replacing when you can repair.

Not Cooling?

Ventilation & Air Quality

Indoor air quality affects your health and comfort year-round. Marathon HVAC provides the equipment and expertise to keep your home’s air fresh, clean, and balanced. Page 3: Ventilation & Air Quality | Marathon HVAC Title: Ventilation & Indoor Air Quality Solutions in Ottawa – ERV, HRV, Filtration Meta Description: Breathe easy with Marathon HVAC’s indoor air quality services. We install ERVs, HRVs, air purifiers, humidifiers, and custom ductwork. Intro: Indoor air quality affects your health and comfort year-round. Marathon HVAC provides the equipment and expertise to keep your home’s air fresh, clean, and balanced. Let us guide you through the latest improvements in air fitration and ventilation. We offer the latest in technology. ERV/HRV System Installation, Air Purifiers & HEPA Filtration. UV Air Treatment, Whole-Home Humidifiers and Duct Design & Installation.

Breathe Easy

Expert Heating Services

When winter hits Ottawa, you need heating you can count on. At Marathon HVAC, we provide expert heating solutions—from high-efficiency furnaces and heat pumps to boiler systems and fireplace installs. • Furnace Installation & Replacement • Furnace Repair & Maintenance • Navien & Traditional Boiler Systems • Cold-Climate Heat Pump Installation • Fireplace Installation & Servicing • 24/7 Emergency Heating Repair

Diagnostics & System Checks

Transparent Pricing

Parts Replacement with OEM or high-quality parts

Emergency Services

Evenings & Weekends

Satisfaction Guarantee

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