Major Energy Retrofit Guidelines for Commercial and Institutional Buildings

Last updated: 4 April 2019

With this program, Hydro One offers a financial incentive to commercial buildings such as offices, grocery stores and hotels for the installation of rooftop air conditioning units.

Incentives per RTU Size

Tons                 BTU per Hour                Minimum EER                                                  Incentives

                                                                                                                  Electric Resistance         Non-Electric Resistance

3 to 5.4             36,000 to 65,000                   12.0 – 12.5                         $93.76 – $109.76/ton         $93.76 - $109.76/ton

5.4 to 7.5          65,000 to 90,000                        12.2                                $70.26 – $117.47/ton         $72.73 - $120.73/ton

7.5 to 11.25      90,000 to 135,000                      12.0                                       $145.15/ton                           $132.03/ton

11.25 to 20       135,000 to 240,000                     12.0                                       $202.80/ton                           $189.69/ton

20 to 63.3         240,000 to 760,000                    10.6                                       $137.79/ton                            $121.63/ton

63.3or greater  760,000 or greater                    10.2                                        $120.40/ton                           $102.30/ton

Development Authority: Ontario Government

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End uses covered
  • Building end-uses
  • Building systems
  • Space cooling
  • Building vintage
  • Existing buildings