UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 13D

Under the Securities Exchange Act of 1934

SURNA, INC.

(Name of Issuer)

Common Stock, $0.00001 par value per share

(Title of Class of Securities)

86887P101

(CUSIP Number)

Douglas McKinnon

1780 55th St., Ste. C

Boulder, CO 80301

303-993-5271

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

March 31, 2014

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. [  ]

NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Section §240.13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

⁽¹⁾ Based on 99,375,000 shares of common stock outstanding on April 11, 2014, as set forth in the Issuer’s 2013 Annual Report on Form 10-K filed with the SEC on April 15, 2014.

⁽²⁾ Excludes an additional 2,681,722 shares of Preferred Stock issued pursuant to the Merger. Each share of Preferred Stock has the following terms and designations: The shares are designated as Series A Preferred Stock (the “Share(s)”). Each Share shall have one vote equivalent to one vote of common stock. The Shares have no conversion rights, preemptive rights or dividend rights. The par value of each Share is $0.00001. Also excludes options to purchase 2,059,200 shares of common stock on the following terms: The option price for each share is $0.25 and the options expire March 18, 2017.

Item 1. Security and Issuer.

This statement on Schedule 13D relates to the common stock, $0.00001 par value per share (“Common Stock”), of Surna Inc., a Nevada corporation (the “Issuer”). The address of the Issuer’s principal executive offices is 1780 55th St., Boulder, Colorado 80301.

Item 2. Identity and Background.

Item 3. Source and Amount of Funds or Other Consideration.

As reported by the Issuer in its Form 8-K filed with the SEC on March 28, 2014, the Reporting Person acquired the shares of the Issuer pursuant to the terms of a Merger Agreement with Safari Resource Group, Inc. (the “Merger”). At the closing of the Merger, the Reporting Person received: (i) 2,681,722 shares of the Issuer’s common stock and (ii) 2,681,722 shares of the Issuer’s Preferred Stock.

Item 4. Purpose of Transaction.

The Reporting Person acquired the shares of Common and Preferred Stock of the Issuer as a result of the Merger described in Item 3 above.

Other than as described in this Schedule 13D, the Reporting Person does not have any present plans or proposals that relate to or would result in: (i) the acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer; (ii) an extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (iii) a sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (iv) any material change in the present capitalization or dividend policy of the Issuer; (v) any other material change in the Issuer’s business or corporate structure; (vi) changes in the Issuer’s charter, by-laws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person; (vii) causing a class of securities of the Issuer to be de-listed from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association; (viii) a class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Act; or (ix) any action similar to any of those enumerated above.

Item 5. Interest in Securities of the Issuer.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.

The information set forth under Items 3, 4 and 5 and the agreement referred to herein is incorporated herein by reference.

The Reporting Person holds 2,059,200 currently exercisable options purchase shares of Common Stock. Other than as set forth herein, the Reporting Person has no interest in any securities of the Issuer. There is no agreement to issue to the Reporting Person additional securities of the Issuer.

Item 7. Material to be Filed as Exhibits.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.