Klein Tools acquires Civitella & Cia Ltda; Nortek closes its acquisition of 2GIG Technologies; Lenox Tools completes annual ISO 9001 surveillance audit; Camfil’s Road Show Trailer receives Stora Indoor Environment Prize.

Emerson Climate Technologies Inc. appoints vice president of variable speed; RectorSeal names head of engineered HVACR products; Lochinvar introduces online training resource; Source Refrigeration & HVAC announces acquisition; American Standard announces head of all sales managers; Lennox announces sale of its Service Experts business.

Source Refrigeration & HVAC, a portfolio company of Arsenal Capital Partners, has announced the acquisition of Fournier Air Conditioning and Refrigeration – Florida, based in Jacksonville, Fla.

Brady names project manager; Freije Engineered Solutions and Refrigeration Services merge; Source Refrigeration & HVAC acquires TP Electrical

Sanhua Holding Group has acquired R- Squared Puckett Inc., of Puckett, Miss. The acquisition was completed through Hangzhou TC Industry Co. Ltd., one of Sanhua Holding Group’s affiliated companies.

American Capital Ltd. announced that its Special Situations Group has completed the buyout of Service Experts LLC, a leading provider of sales, installation, maintenance, and repair of HVAC systems for the residential and light commercial markets.

One Hour Air Conditioning and Heating Dallas announced that it has acquired the assets of Avery Air, which will now operate as a division of the company. According to One Hour Air Conditioning and Heating, the acquisition will further its growth, positioning it as a leader for HVAC services in the Dallas area.

Source Refrigeration & HVAC, a portfolio company of Arsenal Capital Partners, has announced the acquisition of TP Electrical, based in White, Ga.

Robertson Heating Supply purchases assets of Palmer-Donavin’s HVAC divisions.