Heating and Cooling Services Waterloo Homeowners Count On
For more than 50+ years, Dunn Heating and Air Conditioning has provided dependable heating and cooling services that Waterloo Region families rely on. Our licensed technicians help keep your home comfortable through every Canadian season.
Whether it’s furnace installation, air conditioning maintenance, or a full HVAC system evaluation, our skilled team delivers prompt, professional service with guaranteed satisfaction. Avoid unexpected system breakdowns—choose Dunn Heating and Air Conditioning for HVAC services you can count on.
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Proudly serving Waterloo and nearby communities, Dunn Heating and Air Conditioning’s HVAC technicians deliver dependable heating, cooling, and home comfort services where you need them most.
- Baden
- Elora
- Fergus
- Guelph
- Waterloo
- Cambridge
- Conestogo
- Kitchener
- Elmira
- St. Jacobs
- Linwood
- New Hamburg
- Heidelberg
- Rosendale
- Wallenstein
- Bloomingdale
- St. Clements
- Winterbourne
- West Monrose
We know that time is critical when things go wrong.
That's why our team is ready to jump into action whenever heating, cooling, plumbing, or electrical issues arise. Day or night, weekends or holidays, you can count on us—we aim to be at your door within hours!
Our licensed technicians specialize in HVAC, plumbing, and electrical solutions. Whether you need furnace repair, AC installation, or plumbing help, we provide fast, effective service to restore comfort to your home. Unexpected breakdowns are never convenient, but our team is always ready to deliver lasting solutions when you need them most.
Find the Right HVAC Solution
Not sure what heating or cooling system will work best in your home? Our knowledgeable team will evaluate your space and recommend solutions that fit your needs, lifestyle, and budget. From new installations to preventive maintenance, we’re here to help you stay comfortable all year.
Fast Service & Savings
Choosing the right HVAC system doesn’t have to be overwhelming. We’ll inspect your home and recommend the best solution based on your unique needs and budget. Whether it’s a brand-new install or a tune-up to keep things running well, we’ll be there in no time.
Experienced, Skilled & Ready to Help
With decades of hands-on experience, our team services all brands and models of HVAC equipment. We stay current with industry innovations to deliver the best results for our customers. Whether you’re facing an emergency or planning with preventative care, we’ve built our reputation on delivering quick, dependable plumbing, electrical, and HVAC services across the Waterloo Region.
Proudly serving Waterloo and the surrounding communities, Dunn Heating and Air Conditioning expert HVAC technicians deliver dependable heating, cooling, and indoor air comfort solutions wherever you call home.
Need fast, reliable heating and cooling services in Waterloo? Call us at (226) 887-3052 to speak with one of our specialists or schedule your appointment online today!
Schedule a consultation for heating & cooling services in Waterloo.
Our HVAC Services
Consistent indoor climate control is more than just comfort—it’s vital for safeguarding your family and home against Waterloo’s intense seasonal shifts. At Dunn Heating and Air Conditioning, we provide a full range of HVAC services to cover all your home comfort needs across Waterloo and surrounding areas. Our seasoned technicians are factory-trained to handle every heating and cooling need Waterloo homeowners face—from installation and maintenance to repairs and urgent service calls.
Heating Services
Boilers
Installation, servicing, and emergency repair solutions for steam and hot water boiler systems.
Centralized Heating Systems
Comprehensive services for centralized heating setups, ensuring balanced warmth throughout your entire home.
Furnace Installation
Precise sizing, professional installation, and configuration of high-efficiency furnaces for top performance.
Furnace Repair
Repair services for furnaces of all makes and models, available 24/7 for urgent repairs.
Heat Pumps
Year-round installation and servicing of heat pump systems for both heating and cooling comfort.
Air Conditioning Services
AC Installation
Accurate sizing, placement, and installation of air conditioners for efficient cooling through Waterloo’s hot summers.
AC Inspection
In-depth inspections to identify potential air conditioning issues before they cause system failures.
AC Repair
Prompt, dependable air conditioner repairs for all models, including emergency services when needed.
Heat Pumps
Year-round heating and cooling with expert installation and maintenance of heat pump systems.
UV Air Purifiers
Installation and care of UV air purification systems that integrate with your HVAC for cleaner, healthier air.
Humidifiers
Setup and maintenance of whole-home humidifiers to optimize your indoor air moisture levels.
Water Heaters
Water Heater Repairs
Repair solutions for all types and brands of water heaters when malfunctions occur.
Water Heater Installation
Full-service installation of new water heaters, including removal of old units and seamless setup of energy-efficient replacements.
Plumbing Services
Faucets
Installation and repair of water fixtures throughout your property.
Emergency Plumbing Services
Rapid emergency plumbing services are available 24/7 for urgent plumbing needs.
Kitec Plumbing
Full replacement services for homes using outdated Kitec piping.
Plumbing Repairs
Plumbing repair services to resolve everything from small leaks to major pipe failures.
Sinks
Professional installation and servicing of kitchen, bathroom, and utility sinks.
Sump Pumps
Installation, maintenance, and repairs for sump pump systems to help prevent basement flooding.
Toilets
Efficient toilet repairs and replacements with minimal interruption.
Water Quality
Water filtration and treatment systems to improve drinking water and safeguard plumbing.
Hydro-Jetting
High-pressure hydro-jetting to fully clear tough blockages and debris from pipes.
Drain and Sewer Systems
Water Cleanup & Restoration
Emergency cleanup services after water damage, including extraction, drying, and property restoration.
Waterproofing & Foundation Repair
Complete foundation repairs and waterproofing services to protect your basement from moisture.
Drains
Maintenance services for household drains to prevent clogs and maintain steady water flow.
Waterloo’s Residential HVAC Service Professionals Since 1973
52+ Years of Proven Experience You Can Count On.
Since 1973, we have provided dependable HVAC services to homeowners and businesses throughout the Waterloo region. Our long-standing reputation reflects our dedication to craftsmanship and customer care. With thousands of successful heating and cooling projects, our experience ensures your home’s comfort year-round.
24/7 Emergency HVAC Service
We know heating and cooling emergencies can happen at any hour. That’s why we offer 24/7 emergency HVAC services in Waterloo, making sure your home stays comfortable and safe no matter the time. Our team is ready to respond quickly when you need immediate assistance.
Certified, Background-Checked Professionals
All Dunn Heating and Air Conditioning technicians complete rigorous training, certifications, and background checks. You can feel at ease welcoming our highly qualified, courteous professionals into your home for your HVAC service needs.
Upfront, No-Surprise Pricing
Before any work begins, we provide detailed quotes so you can make informed decisions. Our straightforward pricing ensures you’re fully aware of the costs, without hidden fees or unexpected charges. We’re committed to clear communication every step of the way.
Satisfaction Guaranteed
We don’t consider the job done until you are completely satisfied. Our satisfaction guarantee reflects our focus on quality service and your ongoing comfort. If you’re not happy with the results, we’ll work with you to make it right.
Complete Home Comfort Solutions
We go beyond standard HVAC services to offer a complete range of home comfort solutions. From plumbing and electrical to indoor air quality and water heating, our integrated approach ensures your home’s essential systems work together smoothly.
