Water Heater Installation
When your hot water system stops working, you need fast, professional installation from skilled experts. Dunn Heating and Air Conditioning offers water heater installation services across the Waterloo region, making sure your family always has dependable access to hot water for everyday living.
Our licensed technicians specialize in installing both traditional tank and modern tankless systems, delivering energy-saving solutions tailored to your home’s needs. Whether you’re replacing a worn-out heater or upgrading to a more efficient model, our team handles every stage of your water heater installation with accuracy and attention to detail.
Don’t go another day without dependable hot water. Reach out today to schedule your water heater installation or to request a personalized quote.

Professional Water Heater Installation Services for Your Home
Traditional Tank Water Heater Installation
We expertly install top-quality tank water heaters from leading brands, making sure your system is properly sized to meet your home’s daily hot water demands. Our team assesses your existing plumbing setup and completes any necessary adjustments for a seamless fit. Each project includes correct venting, installation of the pressure relief valve, and tight water line connections to safeguard against leaks and ensure peak system performance.
Tankless Water Heater Installation
Choosing a tankless water heater means unlimited hot water and potential energy savings of up to 30% compared to traditional models. Dunn Heating and Air Conditioning’s technicians have extensive experience with the detailed setup required for tankless water heaters, such as appropriate gas line sizing, venting, and specific electrical needs. We’ll help identify the perfect location for your unit and install it for optimal efficiency, performance, and system lifespan.
Electric, Gas, and Propane Models
We install all types of water heating systems, whether your home runs on electricity, natural gas, or propane. Our certified installers ensure electric systems meet correct amperage and dedicated circuit requirements, and that gas and propane systems are properly vented and supplied. We’ll explain the benefits of each energy source based on your home’s setup, helping you choose the solution that fits your needs and budget.
Comprehensive System Upgrades
When needed, Dunn Heating and Air Conditioning can upgrade your home’s water, gas, or electrical systems to ensure full compatibility with your new water heater. This might include replacing aging water lines, installing appropriately sized gas pipes for higher BTU output, or enhancing your electrical panel. Our licensed professionals complete all upgrades according to modern building codes, ensuring your new system has the strong infrastructure it needs.
Water Heater Replacement
We offer full water heater replacement services, beginning with the careful disconnection and removal of your old system. Dunn Heating and Air Conditioning will dispose of your previous unit responsibly, following all local recycling and environmental guidelines. Before installing your new heater, we inspect the installation area thoroughly and resolve any issues that could affect the new system’s functionality or durability.
Our Water Heater Installation Process
1
We start by reviewing your home’s hot water needs and evaluating your existing system to recommend the best water heater type and size. After the assessment, we provide a complete estimate upfront so you know all costs associated with your installation before any work begins.
2
Our certified technicians show up on schedule, fully equipped to perform the water heater installation. We properly hook up all necessary water lines, gas connections, and electrical components according to manufacturer guidelines. Every system is tested carefully to verify excellent performance and safety.
3
Once the installation is complete, we will walk you through how to operate and maintain your new water heater. We make sure to leave the space clean, removing all old equipment and installation debris from your home.
Why Choose Dunn Heating and Air Conditioning for Your Water Heater Installation Services
Experienced Technicians
Our water heater installation team is fully certified and highly trained. Every technician brings years of hands-on experience installing both traditional and tankless water heaters throughout homes across the Waterloo region, ensuring professional results with every project.
Comprehensive Service
We take care of your entire water heater installation project, handling everything from helping you choose the right equipment to the safe removal of your old unit. Our technicians perform careful installation and thorough system testing to make sure your new water heater operates exactly as it should before we leave.
Quality Equipment
Dunn Heating and Air Conditioning partners with top manufacturers to offer energy-efficient, durable water heating systems. We help you choose the ideal model to match your home’s hot water demands, balancing performance, longevity, and energy savings.
Guaranteed Workmanship
We back every water heater installation with workmanship guarantees. Our team follows strict installation practices and pays close attention to every detail, delivering a high standard of service no matter the size or complexity of the job.
Competitive Pricing
At Dunn Heating and Air Conditioning, we provide clear, upfront pricing for all water heater installations. You’ll receive a complete quote before any work begins, ensuring there are no surprise fees or hidden charges once the job is finished.
Excellent Customer Service
From the moment you contact us to the final system check, we focus on delivering clear communication and professional care. Our staff is ready to answer your questions, address concerns quickly, and ensure you are fully satisfied with every aspect of your installation experience.
Contact Dunn Heating and Air Conditioning to Schedule Your Water Heater Installation
Don’t deal with cold showers or inconsistent hot water. Contact Dunn Heating and Air Conditioning to book your expert water heater installation in the Waterloo region.

FAQS About Water Heater Installation
Tired of chilly showers? Make the switch to reliable hot water—schedule your water heater installation or request a free quote today!
What are the Benefits of Hiring Dunn Heating and Air Conditioning for My Water Heater Installation?
Choosing Dunn Heating and Air Conditioning for your water heater installation means your system will be installed safely and according to all manufacturer and building code requirements. Our professional approach ensures maximum system lifespan, maintains warranty eligibility, and promotes energy-efficient operation.
What Types of Water Heaters Do You Install?
Dunn Heating and Air Conditioning installs a wide selection of water heating systems, including:
- Tank water heaters
- Tankless water heaters
- Gas-powered water heaters
- Electric water heaters
- Hybrid or heat pump models
- Solar-assisted water heaters
We’ll work with you to choose the best system based on your home’s layout, your family’s hot water needs, and your budget.
What Size Water Heater Do I Need?
Several important factors, such as the number of bathrooms, daily hot water usage patterns, and appliance demand, help determine the best size for your water heater. For tankless systems, we also calculate your household’s flow rate (gallons per minute) and the necessary temperature rise to recommend the right unit. Here’s a general guide for sizing:
Traditional Water Heaters
- 1–2 people: 23–35 gallons
- 2–3 people: 36–45 gallons
- 4–5 people: 46–55 gallons
- 5+ people: 56+ gallons
Tankless Water Heaters
- 3.5 GPM for 1–2 fixtures at once
- 5 GPM for 2–3 fixtures at once
- 7 GPM for 3–4 fixtures at once