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Pay NO Interest for 12 months on Featured Furnaces*

Offer Expires: December 27, 2023


New Water Heater

NO monthly rental payments for 6 months
NO upfront installation costs.*


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Environmental, Social and Governance

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Call on Reliance® for heating, air conditioning, and plumbing services in Ottawa.

Reliance Holmes Heating and Cooling is Ottawa’s premier air conditioning, heating, and ventilation solutions supplier.

Reliance Holmes® has been providing affordable home comfort solutions to the Ottawa region for more than 50 years. We know how important it is to have a coolingheating, and plumbing company you can count on in an emergency, and for regular maintenance and repairs.

We are proud to provide top-quality water heater, cooling and heating system (HVAC) installations, repairs and maintenance throughout Ottawa and surrounding communities like Nepean and Kanata. Our local team of Home Comfort Advisors and experienced technicians are just a phone call away. Or visit us at our Ottawa location, just off Highway 417 near George C. Brown Park and College Square Mall.

Experienced Furnace Installation in Greater Ottawa

We rely on our furnaces and heating systems here in Canada. With 50 years of experience serving the greater Ottawa area, we know how to keep your home feeling cozy on even the coldest winter day. Our Home Comfort Advisors live in Ottawa too and can help you determine the perfect heating system to keep your family warm.

Our team of licensed furnace technicians will install your new furnace quickly and professionally. We also provide maintenance and repair services to keep your heating system running smoothly. We can take care of a wide range of furnace and heating issues such as:

  • Ignition or pilot light issues
  • Slipped or frayed blower belts
  • Malfunctioning thermostats
  • Cracked or broken heat exchangers
  • Worn-out ball bearings
  • Blower fan problems
  • And many other general mechanical problems

Meeting All Your Air Conditioning Needs in the Ottawa Region

We know that Ottawa is no stranger to extreme weather. Whether you are ready to install a new air conditioning system, or just need to maintain your existing AC, Reliance Holmes Heating™ can help keep your home cool on even the hottest day.

We offer several cooling systems to choose from:

  • Central Air Conditioning
  • Ductless or Mini-Split Air Conditioners
  • Packaged Air Conditioners

We are experts at providing top cooling solutions, and we can help you find the perfect AC solution for your home.

Not ready to replace your current AC, but it’s not working properly? Contact us for fast and professional air conditioning repair services in the Ottawa area.

Should You Rent or Buy Your Furnace and Air Conditioner?

At Reliance Holmes, you always have the option to rent or buy your new furnace or AC. Your Home Comfort Advisor can walk you through your options.

Choosing The Right Water Heater For Your Family

Tank or tankless? Gas or electric? 40, 50, 60 or 75 gallons? With so many water heater options, it’s easy to get overwhelmed. Our Home Comfort Advisors are here to help you choose the best water heating solution for your family.

Have an existing water heater that needs a repair? We can repair your existing hot water heater too, so your family can get back to enjoying hot water.

Household Plumbing Repairs in Ottawa

Can you fix my leaky toilet? How do I upgrade my fixtures? You’ve got plumbing questions. Reliance Holmes Heating and Cooling has the answers.

We understand that a dripping tap, clogged drain, or broken laundry hose is stressful to deal with, and could cause costly damage if it’s not repaired fast. At Reliance Holmes, our trained plumbers can solve emergency and non-emergency plumbing issues in any area of your home.

Water Purification, Air Purification, Smart Home and more in Ottawa

We have a full spectrum of products to keep you comfortable, from water purification systems including water softeners, filters and reverse osmosis systems to products that could help improve your indoor air quality like HEPA air filters and UV air purification systems. Want to smarten and secure your home with smart home products? Choose from the wide range we carry, including Google Nest Protect, Nest Hub, Nest Hello and a variety of smart thermostats. Need electrical upgrades, an emergency fix or a standby generator? Reliance Holmes Heating and Cooling has you covered for all your electrical needs.

Trust Your Heating and Cooling to Reliance Holmes Heating Ottawa

Whether you need emergency assistance or regular maintenance, our experts in plumbing, air conditioning, hot water tanks, and furnace repair are ready to help. We offer the best heating and air conditioning solutions to customers throughout the Ottawa area, and we’re proud of our excellent reputation for quality and integrity.

Call us 24/7/365 for fast, friendly, knowledgeable support and advice.

Just Call on Reliance™.

Home Comfort Solutions

Check out our Air Conditioner Offers

See offer details below

Couple Looking at Laptop Over Breakfast

Air Conditioner Guide

A helpful guide for everything to know about your home’s AC needs.

Learn More
Couple budgeting smiling

Air Conditioner Frequently Asked Questions

All your frequently asked questions about air conditioning answered.

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Happy parents relaxing on couch while kid drawing on floor

All Air Conditioner Resources

Learn more about air conditioning to help you make the right decisions.

Learn More

Heat Pumps: Heating and Cooling Wrapped in One

Learn More

Check out our Furnace Offers

See offer details below

Family playing chess and reading by fireplace

Furnace Guide

A helpful guide for everything you need to know about your home’s heating needs.

Learn More
Mom and kids looking at tablet together

Furnace Frequently Asked Questions

All your frequently asked questions about air conditioning answered.

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Furnace Learning Resources

Learn more about furnaces to help you make the right decisions.

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Reliance plumber talking to homeowner and her daughter

Plumbing Guide

A helpful guide for everything you need to know about your home’s plumbing.

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Plumbing Frequently Asked Questions

All your frequently asked questions about your home’s plumbing answered.

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All Plumbing Resources

Learn more about plumbing to help you make the right decisions.

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Women looking at glass

Benefits of a Water Softener

Are you experiencing the uncomfortable effects of hard water in your home? A water softener can help.

Watch Now
Woman drinking purified water

Water Purification Frequently Asked Questions

All your frequently asked questions about water purification answered.

Learn More
Funny little boy with his father playing with garden hose in sunny backyard

All Water Purification Resources

Learn more about water purification to help you make the right decisions.

Learn More
Woman washing hair

Water Heater Frequently Asked Questions

All your frequently asked questions about water heaters answered.

Learn More
Rain water falling type shower head

Benefits of a Tankless Water Heater

Thinking about going tankless? Learn more about the benefits of on-demand water heaters?

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All Water Heater Resources

Learn more about water heaters to help you make the right decisions.

Learn More
Smart Home Consultant showing options to customer

The Ultimate Smart Home Guide

A comprehensive guide to the latest Smart Home technology that can make your home life more comfortable, efficient and secure.

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Smart Home Consultant in customer's home showing them options on a tablet

Benefits of Building a Smart Home

Smart home solutions allow you to easily control and manage many of your household appliances Smart home solutions allow you to easily control and manage many of your household appliances

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Smart Home Frequently Asked Questions

Frequently Asked Questions About Smart Home

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Electrical Safety Tips for Your Home Office

A guide to understanding electrical requirements that will help ensure you can work from home like a pro.

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Reliance electrician testing electrical outlet

Electricity: 5 ways to stay safe at home

A guide to understanding electrical requirements that will help ensure you can work from home like a pro.

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8 Tips to Get You Through a Blackout

These tips can help you keep your family safe and your bills in check during the next blackout

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Why A Smart Thermostat Should Be Your Next Green Choice

Two great thermostats we think could be your next green choice to help reduce your carbon footprint and energy bill

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Reasons Why You Should Upgrade To A Heat Pump

You may not have given a lot of thought to heat pumps but they’re actually a great, convenient choice that could help reduce your carbon footprint.

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Planting Trees for a Greener Future

Reliance is here to help you enjoy home comfort while helping to reduce your carbon footprint

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Exterior of a house with dark storm clouds overhead

8 Tips to Get You Through a Blackout

These tips can help you keep your family safe and your bills in check during the next blackout

Learn More
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Weather Watch: How to Prepare for Extreme Cold Weather

Ensure your family and home are safe from the dangerous or damaging effects of extreme cold and winter storms.

Learn More
storm at night

Are you ready for a power outage? Here’s how to prepare

Although most power outages are very short, it’s best to have sufficient preparation for an outage of three days or more.

Learn More

Brands We Carry

  • Logo - Carrier
  • Logo - Rinnai
  • Logo - SmartAir
  • Logo - Amana
  • Logo - Nest
  • Logo - Goodman
  • Logo - Bradford White
  • Logo - Viessman
  • Authorized_Mitsubishi_Dealer_Logo
  • Transparant background Flo logo

Local Service Areas

Reliance Holmes
1050 Baxter Road #5,
Ottawa, ON
K2C 3P1

(613) 236-8449

ESA License #7012884

The Reliance Team Services the following areas:

  • Westboro

  • The Glebe

  • Centretown

  • ByWard Market

  • Orleans

  • Hintonburg

  • Sandy Hill

  • Barrhaven

  • Stittsville

  • Downtown

  • Centrepoint

  • Bayshore


Reliance has an average rating of 4.7 out of 5 on Google out of 1,586 reviews

1,586 Reviews

Mario P

The crew that installed our a/c unit today was top notch, extremely professional and did a fantastic job. In these difficult times they were courteous maintained social distance and cleaned up after themselves. Great job Reliance Homes Heating

Margaret C

Dan Buchanan was great. He fixed my plumbing problems and put my mind at ease. Thanks for sending a plumber so quickly. I appreciate all that was done.

Michel G

Dustin and Chris came to install my new boiler and indirect water heater. They did an amazing job. They were very professional, friendly and answered all my questions. I trusted them completely. They also left the worksite spotless. I'm very happy with the service they provided and would recommend them.


We called reliance on a Saturday morning as our electric heater stopped working. At noon the same day, water heater was replaced and by 1 everything was done Joey was pleasant, great service and was done replacing a water tank within an hour. Would highly recomend.

Barbara G

I have used Reliance twice now for my Electrical Issues. Both times the techs Bryan was very helpful and professional - and the work was completed to my satisfaction. I will definitely hire Reliance Techs again in the future.

Mark T

Installation team was excellent. Solved some unanticipated problems onsite, explained all the features of our new HRV and humidifier, tied it in with our smart home thermostat. Top notch!


Reliance did a great job installing Water Purification at my home! Their professionalism and knowledge is unmatched!

Kathy L

Just had Tim n Alex install a new furnace and air conditioner. Great job the guys worked hard and cleaned up great. They explained everything about what they would be doing and how everything works. Thanks guys.

Amali S

I had our A/C and furnace installed by Dustin and Chris from Reliance Holmes yesterday. Starting with Sandro, the home comfort advisor who provided the quotation, they did an excellent job - very professional and courteous throughout. Dustin clearly explained the whole procedure to me and provided all the information I needed. Keep up the good work!

Mariano F

The repair man from Reliance was on time, reliable and was able to efficiently solve my furnace/AC issue. I am very satisfied with their service and highly recommend them to anyone! The even suggested options that may save us in the long run!

Here’s why Ottawa Homeowners Choose Reliance

  • Live customer support 24/7/365

  • Next day or we pay $500 installation

  • Ready to complete the repairs on the first call

  • 100,000+
    5 star Online Reviews

  • 50+ years of experience

Meet our Ottawa Team

With over 50 years of experience, we are proud to provide quality plumbing, HVAC, air conditioners, furnaces in Ottawa. Reliance Holmes Heating and Cooling™ is proud of our excellent reputation for quality and integrity. Our expert staff lives and works in the Capital City, and are familiar with the unique needs created by the being on the banks of the Ottawa, Rideau and Gatineau Rivers. We can be found in the community, enjoying one of the many neighbourhood outdoor skating rinks or shopping the ByWard market.

We’re here to help with all of your heating, air conditioning repairs, plumbing and ventilation needs.
Call us 24/7/365 for fast, friendly, knowledgeable support and advice. We can replace your existing HVAC system or if you are building a new home, we can design, install and service a new system in its entirety.

For quality products, superior service and guaranteed results, it has to be Reliance Holmes Heating and Cooling.

We work with top name brands including: SmartAir™Amana®Carrier®Goodman®, Rheem®Rinnai®Viessmann®Weil-Mclain®Bosch®, and Nest®.

Questions about your furnace, AC, or plumbing?

You can reach us live 24 hours a day, 7 days a week, 365 days a year.

Home Comfort Advisor

Anthony Varadi.

Hi, my name is Anthony Varadi and I am proud to be a Home Comfort Advisor with Reliance. I am someone who values integrity and professionalism above everything and Reliance is a company that exemplifies that in every customer interaction. I have been in sales for over 8 years and I know from experience that there are very few companies that hold themselves to the standards that Reliance does. Here in Ottawa, we are very much a family and treat each other as such. When you choose Reliance, you can expect a warm interaction as a part of our family. We will be here meeting the needs of our community through hottest days, coldest nights and even through a pandemic. Give me a call at 613-415-1982 and find out why people Call On Reliance. Warmly, Anthony Varadi.

Home Comfort Advisor


Hi, I’m Sandro. I started my career in HVAC, after being away for work in a different city and getting the call from my wife, in the middle of the night to deliver the news that our furnace stopped working, when was -30 outside. What started with a stressful experience, helped me pivot my career, with the mission to help my customer avoid similar fate. If you have any questions or concerns about your home comfort needs, do not hesitate in contacting me. Cheerfully, Sandro

Home Comfort Advisor

Gareth Taylor

Hello, my name is Gareth Taylor. I'm proud to work as a Home Comfort Advisor living in and serving the Ottawa Valley. Whether you are seeking the best quality water, or looking to heat or cool your home or cottage, I'd love to meet you for a free consultation!

Home Comfort Advisor

Mario Brunet

Hi, my Name is Mario Brunet, I am a home comfort advisor out of the Ottawa branch. I have been living in the Ottawa surrounding area for over 25 years. With my 23+ years of experience in the HVAC trade, I love taping into my knowledge and experience to help customers design packages that meet their needs and budgets. I take great pride in ensuring a amazing customer experience and satisfaction coincides with Reliance’s Googles ratings. You can reach me on my cell at 613-253-5645 or email mbrunet@reliancehomecomfort.com. Looking forward to meeting up with you to create the best package to give you the ultimate comfort your deserve.

Discover Our Home Comfort Solutions

Community Involvement

Ottawa is our home too!Like you, we live in this city with our families and want to see Ottawa grow and prosper. Since William Edward Holmes founded Holmes Heating in 1962, we have been dedicated to giving back to our community each and every day. Beyond offering great value and service, there are a variety of other ways we have sought to give back to the communities we call home in and around Ottawa.

Holmes Heating has been involved in a number of local charities and community organizations, including:

reliance team members at habitat for humanity job site

Helping Others: Bringing Comfort to Sault Ste. Marie

Reliance has a proud, long-standing partnership with Habitat for Humanity. The Sault Ste. Marie team donated a furnace to bring comfort and a warm future to the deserving new home owners.

Barrie Team Steps up to Clean Local Trail

The Barrie branch spent an afternoon cleaning up a local trail that many local families frequent. It was a fun and rewarding afternoon reminding us that a simple gesture can make a difference.

Community Caring in the Palm Of Our Hand

Reliance Team Members donated 65 used mobile phones to the Canadian National Institute for their Blind for their Phone it Forward Program. The program accepts used phones that are securely wiped and loaded with apps for the visually impaired.

Kingston Branch Donates 900lbs of Food

Partners in Mission Food Bank has been relieving hunger by distributing food hampers to low income people in the Kingston, Ontario area. The Kingston branch collected over 900lbs of food for the Food Bank to help address the food shortage in their community.

Warming Hands, Feet and Souls

Reliance’s Toronto office donated 400 pairs of socks and mittens to Covenant House and Good Sheppard Ministries. These two organizations do important work providing shelter, meals and social services to some of the most vulnerable in our community.