20+ Years Serving Ottawa | 24/7 Emergency Service
Ottawa's Trusted Heating & Cooling Experts
Licensed HVAC technicians. Professional furnace & AC installation. Systems from $5,000–$15,000. Keeping Ottawa homes comfortable year-round.
Licensed HVAC technicians. Professional furnace & AC installation. Systems from $5,000–$15,000. Keeping Ottawa homes comfortable year-round.
From furnace installations to emergency repairs, our licensed technicians handle every job with precision and care. Quality systems starting at $5,000.
High-efficiency furnace installations, replacements, and expert repairs. We service all major brands to keep your home warm through Ottawa's harsh winters.
Stay cool all summer with professional AC installation, maintenance, and repair. Energy-efficient systems designed for Ottawa's climate.
Modern heat pumps provide efficient heating and cooling in one system. Save on energy bills with eco-friendly technology.
HVAC emergency? We're available around the clock. Fast response times and reliable repairs when you need us most.
Complete ductwork installation, cleaning, and repairs. Improve airflow and indoor air quality throughout your home.
Protect your investment with annual maintenance. Prevent costly breakdowns and extend the life of your heating & cooling system.
Ambassador Dearie HVAC has been keeping Ottawa families comfortable for over 20 years. Our fully licensed and insured technicians specialize in residential heating and cooling systems ranging from $5,000 to $15,000 — delivering premium installations at fair prices.
We believe in honest assessments, transparent pricing, and workmanship that stands the test of time. Every installation is backed by our satisfaction guarantee and comprehensive warranty coverage.
Trusted by thousands of homeowners across Ottawa and the surrounding areas. Here's what they have to say about Ambassador Dearie HVAC.
"Ambassador Dearie installed our new furnace last winter. The team was professional, on time, and the price was very competitive at around $8,500. Our home has never been warmer. Highly recommend!"
"Our AC broke down during a heatwave. Called at 10 PM and a technician was at our door by 8 AM the next morning. Fast, friendly, and fair pricing. These guys are lifesavers!"
"Great experience from start to finish. They helped us choose the right heat pump for our home, handled all the rebates, and the installation was flawless. Very knowledgeable team."
We proudly provide heating and cooling services throughout the Ottawa region. Whether you're in the city centre or the suburbs, our technicians are never far away.
Contact Ambassador Dearie HVAC today for a free, no-obligation estimate. Our licensed technicians are standing by 24/7 to serve you.
Reach out today — we typically respond within 1 hour during business hours.