CSA Group CSA TS-002:23 Dual-energy systems performance rating method

Preface

This is the first edition of CSA TS-002, Dual-energy systems performance rating method.

CSA Group acknowledges that the development of this Technical Specification (TS) was made possible, in part, by the financial support of BC Hydro and FortisBC Inc.

This TS is considered suitable for use for conformity assessment within the stated scope of the TS.

This TS was prepared by the Development Committee on Hybrid Heating (Dual-Energy) Systems Performance Rating Method, under the jurisdiction of the Technical Committee on Energy Efficiency and Related Performance of Fuel-Burning Appliances and Equipment.

Notes:

1) Use of the singular does not exclude the plural (and vice versa) when the sense allows.

2) Although the intended primary application of this Technical Specification is stated in its Scope, it is important to note that it remains the responsibility of the users of the Technical Specification to judge its suitability for their particular purpose.

3) To submit a proposal for change, please send the following information to [email protected] and include “Proposal for Change” in the subject line:

a) TS designation (number);

b) relevant section, table, and/or figure number;

c) wording of the proposed change; and

d) rationale for the change.

1 Scope

This calculation method is applicable to unitary air-source heat pumps combined with a gas furnace and indoor coil.