duct cleaning promotion buy a new air conditioner IAQ Ottawa
Daikin Ductless Ottawa Carp
ottawa hvac


We sell and install high-efficiency & ultra high-efficiency furnaces from Amana, Goodman & Daikin.


We sell and install a wide range of high-quality and efficient air conditioners from  Amana, Goodman & Daikin.


Ductless air conditioning is the future of keeping cool. These systems provide flexible & efficient cooling options.


Harding Heating & Air Conditioning sells and installs high-quality and efficient air quality and cleaner products.

Why Choose Harding?

To guarantee you have the best possible service or installation experience, all our technicians are highly certified and have undergone a complete background check. Here at Harding Heating & Air Conditioning we are proud of our track record.

  • Locally owned and operated
  • Certified technicians
  • Licensed professionals
  • Daikin Comfort Pro
  • Best warranties in the industry
  • 24 years in Ottawa Region

Recent News

Air Conditioner Buying Guide
13 Jun 11:18 am

Before buying a new air conditioner, it’s important to do preliminary research so you have an idea...

Let Harding Design and Install your New HVAC System
7 Nov 01:20 pm

Buying a new home is a financial commitment and everyone wants to make sure they find the...

Enjoy the Benefits of a High-Efficiency Furnace
31 Oct 09:53 am

Upgrading to a new high-efficiency furnace can improve home comfort, increase energy efficiency, provide more reliable operation...

Don't wait to upgrade your comfort!

Harding Heating & Air Conditioning provides financing for your HVAC system through Canada’s premier consumer finance company, FinanceIt. Don’t delay! Sign up today using the link below.
Fair & Flexible
Make additional payments any time without penalty.
Easy & Affordable
Get a lower monthly payment by choosing a term length of up to 180 months.* 6.99% to 12.99% interest.
Find out if you’re approved in seconds. No obligation, no commitment.

Easily apply online with Financeit!

Easily apply online with EcoHome Finance!

Customer Reviews

"Effective and efficient service. Annual inspection performed by friendly, courteous staff who always cleaned workspace upon completion."

C. Stumpf,

"Very good service by Harding - prompt and efficient and they delivered as promised!"


"We appreciated the fast response... They have kept in contact with us and have made the over all experience a good one!"


Free Quote or Service Request

  • This field is for validation purposes and should be left unchanged.

Our Partners

Proudly serving the Ottawa Region for 24 years.

Furnace Installation & Service or Repair

Harding Heating and Air Conditioning is Ottawa’s premier heating provider. We sell and install high-efficiency furnaces from Amana, Goodman and Daikin. We can also diagnose and repair any issues with your current heating system.

New Furnace Installation

We have a range of high-efficiency furnaces that can make a noticeable difference in your monthly energy bills once installed. Contact one of our qualified service representatives to schedule your FREE, no-obligation installation quote.

Existing Furnace Repair & Furnace Service

To ensure your heating system is running at peak efficiency, it’s always recommended to have yearly furnace service maintenance. A licensed technician will perform a tune-up, cleaning and safety inspection to ensure everything is working as it should. If you require additional repairs, our expert staff have the knowledge to diagnose and correct any issues.

Air Conditioner Installation & Service or Repair

Ottawa winters can be bitterly cold and summers can be blistering hot. Ensure your air conditioner is running efficiency all summer – if you require air conditioner repair or are looking to upgrade; make Team Harding your first call.

Air Conditioner Installation

As Ottawa Region’s premier cooling provider, we proudly sell and install Daikin, Goodman and Amana central air units. We offer competitive parts and labour warranties on our air conditioners and guarantee your cooling systems will be installed as scheduled or we will provide you with a FREE 5-year maintenance package.

Air Conditioner Repair & Service

Team Harding stands behind all of our repairs. We guarantee that all air conditioner repairs are done right the first time or the repair is free. In the unlikely event a repair fails during the season we will repair it again at absolutely no cost to you.

Call Us Now