[6-K] Enerflex Ltd. Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Enerflex Ltd. filed a Form 6-K as a foreign private issuer, furnishing an exhibit that announces a $400 million senior unsecured notes offering. The filing itself is brief and mainly identifies the attached exhibit, titled “Enerflex LTD. Announces $400 Million Senior Unsecured Notes Offering,” which provides details on the planned debt issuance. The company is based in Calgary, Alberta, and uses Form 20-F or Form 40-F for its annual reports.

Insights

Credit & Capital Structure Analyst

Enerflex announces a sizeable $400 million senior unsecured notes offering.

Enerflex Ltd. has reported, via Form 6-K, that it is announcing a $400 million senior unsecured notes offering. Senior unsecured notes are debt obligations that rank ahead of subordinated debt but are not backed by specific collateral. The title of the exhibit suggests this is a significant financing step for the company.

The filing does not provide further terms such as maturity, interest rate, or intended use of proceeds, only that the offering has been announced in Exhibit 99.1. The actual effect on leverage, interest expense, and liquidity will depend on those undisclosed terms and how Enerflex deploys the funds.

Subsequent disclosures and the full contents of the announced notes offering in Exhibit 99.1 will be important to understand the detailed structure of this $400 million senior unsecured issuance and its implications for Enerflex’s capital structure.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Section 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of December 2025

Commission File Number: 001-41531

Enerflex Ltd.

(Exact name of Registrant as Specified in Its Charter)

Suite 904, 1331 Macleod Trail S.E.

Calgary, Alberta, Canada, T2G 0K3

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F☐ Form 40-F☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1). ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):☐

Exhibit		Description
99.1		Enerflex LTD. Announces $400 Million Senior Unsecured Notes Offering

SIGNATURES

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		Company Name
Date: December 1, 2025		By:	/s/ Justin D. Pettigrew
			Justin D. Pettigrew
			Corporate Secretary and Associate General Counsel, Corporate

FAQ

What did Enerflex Ltd. (EFXT) report in its December 2025 Form 6-K?

Enerflex Ltd. reported that it furnished an exhibit titled “Enerflex LTD. Announces $400 Million Senior Unsecured Notes Offering” as part of its December 2025 Form 6-K.

What is the size of Enerflex Ltd.’s senior unsecured notes offering mentioned in the Form 6-K?

The exhibit referenced in the Form 6-K announces a $400 million senior unsecured notes offering by Enerflex Ltd.

Where is Enerflex Ltd. headquartered according to the Form 6-K filing?

Enerflex Ltd. is headquartered at Suite 904, 1331 Macleod Trail S.E., Calgary, Alberta, Canada, T2G 0K3.

What exhibit is attached to Enerflex Ltd.’s December 2025 Form 6-K?

The Form 6-K includes Exhibit 99.1, described as “Enerflex LTD. Announces $400 Million Senior Unsecured Notes Offering.”

What type of security is Enerflex Ltd. announcing in Exhibit 99.1?

Enerflex Ltd. is announcing a senior unsecured notes offering, with a stated amount of $400 million, in Exhibit 99.1 to its Form 6-K.