Caucasian AC technician testing ac unit outside

CoolSaver Program

Sign up for instant discounts on A/C tune-ups and other efficient home upgrades that help you stay cool and save energy.

Reduce your energy bills with the CoolSaver program.

The Save on Energy CoolSaver program helps homeowners and tenants in York Region, Ottawa and the Richview South area of Toronto (which includes central and west Toronto and parts of southern Etobicoke) upgrade their home cooling systems to reduce their electricity consumption and energy costs. The program offers discounts on A/C tuneups, central A/C replacements, portable dehumidifiers, smart thermostats, and variable-speed pool pumps.

Toronto Hydro logo
Alectra logo
hydro one logo
Hydro Ottawa Logo

This program is delivered in collaboration with Toronto Hydro, Hydro Ottawa, Hydro One and Alectra Utilities.

How it works


Fill out the online registration form or call 1-855-210-4001 to get your eligibility code and an approved list of qualified contractors.


Schedule your preferred discounts with an approved contractor.


Your contractor will use your code for your chosen instant discounts.

How to get started

To sign up, find out if you are eligible, or learn more about the program:

Option ONE

Complete the form and receive a call or email from a program service provider within two business days

Option two

Contact us by phone at


Available discounts

Upgrade Discount

Air Conditioner Tune-ups

  • For residential central A/C units between 1 and 5 tonnes installed at least one year before the date of service. The tune-up includes airflow correction, air filter cleaning or replacement, digital refrigerant analysis, and cleaning of indoor blower, evaporator coils and condenser coils.


Air Conditioner Tune-ups with Refrigerant Adjustments

  • This is an add-on to the CoolSaver tune-up. In cases where digital refrigerant analysis indicates low refrigerant charge, residents will be offered a refrigerant top-up.


Dehumidifier Replacement (ENERGY STAR Qualified - 3 sizes)

  • If you have a dehumidifier that is more than 10 years old and not ENERGY STAR or ENERGY STAR Canada certified, you may qualify for a discount on a new ENERGY STAR Canada certified dehumidifier (capacity between 14.2 litres a day and 35.5 litres per day).


Central Air Conditioner (CAC) Replacement, SEER 18

  • Receive a discount to replace an old central A/C (SEER 14 rating or lower) nearing end of life with new high-efficiency central A/C (SEER 18).


Smart Thermostat

  • Participants are eligible for discounts to upgrade to a smart, Wi-Fi-enabled thermostat with occupancy sensors and learning capabilities.


Variable Speed Pool Pumps

  • Homeowners with swimming pools can receive discounts for replacing fixed-speed pool pumps with energy-efficient variable-speed pools pumps and take advantage of lower energy costs, quieter operations and longer lifespan.



Participants must:

  • Be a resident in the program zone and be a customer of Toronto Hydro, Hydro Ottawa, Hydro One or Alectra.
  • Be a homeowner or tenant of a single-family home, including a single detached house, semi-detached house, row house and townhouse. Tenants must provide a signed consent form from the homeowner.
  • Enter into a Participant Agreement with the IESO to undertake the efficiency upgrades/actions and sign a work order to complete the upgrade/actions by December 31, 2024.
  • Have at least one or more eligible upgrades implemented. Existing equipment that may require replacement must not have been previously incented.
  • Be located in the following areas with the first three digits of the postal code shown below:
Richview South (Toronto)  York Region Ottawa Region

M5E, M5H, M5J, M5K, M5L, M5M, M5N, M5P, M5T, M5V, M6A, M6B, M6C, M6E, M6G, M6H, M6J, M6K, M6L, M6M, M6N, M6P, M6S, M8V, M8W, M8X, M8Y, M8Z, M9A, M9B, M9C

L3L, L3P, L3R, L3S, L3T, L4B, L4C, L4E, L4G, L4H. L4J, L4K, L4L, L4S, L6A L6B, L6C, L6E, L6G, L7B

K1V, K1X, K2J, K2K, K2L, K2M, K2S, K2T, K2V, K2W, K4M, K1A, K1B, K1C, K1E, K1G, K1H, K1J, K1K, K1L, K1M, K1N, K1P, K1R, K1S, K1T, K1W, K1Y, K1Z, K2A, K2B, K2C, K2E, K2G, K2H, K2P, K2R, K4A, K4B, K4P

Frequently asked questions