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Market signals

Every PE/M&A signal we can find, concrete deals and the broader market mood, each pinned to a verbatim quote from its source. 229 signals in the record.

Signals are reports drawn from public coverage and print archives, presented as reported by their sources. Naming a company in a signal is not an accusation against it. See our methodology and legal notes.

All Add-on acquisition 583 Consolidation trend 244 Deal closed 229 Expansion 182 Deal announced 93 Platform formation 88 Market commentary 79 Leadership change 68 Fundraise 31 Sentiment 26 Divestiture 18 Other 17 Deal rumored 6 Bankruptcy 5 Regulatory 1
Clear
Deal closed Jan 2021 · Idaho
Verified

Apex Service Partners acquires Right Now Heating and Air

Right Now Heating and Air Conditioning, founded in 2006, was acquired by Apex Service Partners of Texas in 2021 and folded into its Apex West Region Holdco.

“In 2021, Apex Service Partners of Texas acquired Right Now, according to PitchBook, joining Owyhee Heating as units of Apex. Secretary of State records indicate Apex folded Right Now into its Apex West Region Holdco, based in Tampa, Florida.”
Apex Service Partners · Acquirer Right Now Heating and Air Conditioning · Target
HVAC Neutral
boisedev.com
Deal closed Sep 2020 · Oslo, Norway
Verified

Airthings Acquires Airtight

Airthings, a manufacturer of indoor air quality monitors, has acquired Airtight, a Norwegian proptech company specializing in smart sensor technology to reduce building energy waste. The acquisition positions Airthings as a market leader in combining air quality and energy efficiency solutions for buildings.

“Airthings, a manufacturer of indoor air quality and producer of radon and indoor air quality monitors, has acquired Airtight, a Norwegian proptech company that develops smart sensor technology to significantly reduce energy waste from buildings.”
Home performanceHVAC Positive
www.achrnews.com
Deal closed Jul 2020 · Costa Rica
Verified

Johnson Controls Acquires Termo Aire

Johnson Controls has completed the acquisition of Termo Aire, a Costa Rican engineering consulting firm. The deal strengthens Johnson Controls' MEP design capabilities and expands its Sales Support Center of Excellence network in Latin America.

“Johnson Controls recently acquired Termo Aire, a Costa Rican engineering consulting company that offers services to more than 20 countries throughout Latin America and the Caribbean.”
ElectricalHVACPlumbing Positive
www.achrnews.com
Deal closed Apr 2020 · Houston, Texas
Verified

Comfort Systems USA Completes Acquisition of TAS Energy

Comfort Systems USA, Inc. completed its previously announced acquisition of TAS Energy Inc. through a merger with its wholly owned subsidiary, OSC Acquisition Corp., on April 1, 2020. TAS Energy became a wholly owned subsidiary of Comfort Systems USA.

“On April 1, 2020, the Merger contemplated by the Merger Agreement was completed and TAS Energy became a wholly owned subsidiary of the Company.”
Comfort Systems USA · Acquirer Element Partners II, L.P. · Advisor TAS Energy Inc. · Target
HVAC Neutral
sec.gov
Deal closed Feb 2020 · Arizona
Verified

Huron Capital acquired Pueblo in 2017 and installed Dan Bueschel as CEO

Huron Capital acquired Pueblo in 2017 via its ExecFactor strategy and brought in Dan Bueschel as CEO to execute a buy-and-build thesis; the Niemeyer deal was Pueblo's sixth acquisition since Huron's involvement.

“Huron acquired Pueblo in 2017 and brought in Dan Bueschel as CEO through the ExecFactor® program.”
HVACPlumbing
www.achrnews.com
Deal closed Feb 2020 · Texas
Verified

Goettl partners with Baum Capital Partners to expand acquisitions

Goettl CEO Ken Goodrich partnered with Baum Capital Partners, a lower-middle-market PE firm, to expand his acquisitions; Goettl operates locations in the West and entered Texas via a 2019 acquisition.

“Goodrich partnered with Baum Capital Partners, a PE firm that focuses on the lower middle market, last year to expand his acquisitions. Goettl operates several locations in the West and recently entered the Texas market via a 2019 acquisition.”
HVACPlumbing
www.achrnews.com
Deal closed Feb 2020 · Atlanta, Dallas, Houston, Phoenix
Verified

Wrench Group sold to Investcorp in 2016

Alpine previously built the Wrench Group, an HVAC and plumbing services platform serving Atlanta, Dallas, Houston, and Phoenix, which grew to over $150 million in revenue and was sold to Investcorp in 2016.

“The firm will follow the strategy it used to build the Wrench Group, an HVAC and plumbing services platform serving the Atlanta, Dallas, Houston, and Phoenix markets, which grew to over $150 million in revenues and was subsequently sold to Investcorp in 2016.”
HVACPlumbing
www.achrnews.com
Deal closed Feb 2020
Verified

Huron Capital acquired Pueblo in 2017 via ExecFactor, installing Dan Bueschel as CEO

Huron Capital acquired Pueblo in 2017 under its ExecFactor buy-and-build strategy and brought in Dan Bueschel as CEO. The Niemeyer deal was the sixth add-on since 2017.

“Huron acquired Pueblo in 2017 and brought in Dan Bueschel as CEO through the ExecFactor® program.”
HVACPlumbing
www.achrnews.com
Deal closed Feb 2020 · Western United States; Texas
Verified

Goettl partners with Baum Capital Partners to expand acquisitions

Goettl CEO Ken Goodrich partnered with PE firm Baum Capital Partners to expand his acquisition activity; Goettl entered Texas via a 2019 acquisition.

“Goodrich partnered with Baum Capital Partners, a PE firm that focuses on the lower middle market, last year to expand his acquisitions. Goettl operates several locations in the West and recently entered the Texas market via a 2019 acquisition.”
HVACPlumbing
www.achrnews.com
Deal closed Feb 2020
Verified

Wrench Group sold to Investcorp in 2016

Alpine previously built the Wrench Group HVAC and plumbing platform to over $150 million in revenue and sold it to Investcorp in 2016.

“The firm will follow the strategy it used to build the Wrench Group, an HVAC and plumbing services platform serving the Atlanta, Dallas, Houston, and Phoenix markets, which grew to over $150 million in revenues and was subsequently sold to Investcorp in 2016.”
HVACPlumbing
www.achrnews.com
Deal closed Feb 2020
Verified

Ares Management Acquires CoolSys from Audax

Ares Management acquired HVAC contractor CoolSys from Audax Private Equity earlier in 2020. Audax had owned CoolSys for three years prior to the sale.

“CoolSys is an HVAC contractor owned by PE firm Ares Management. Ares bought CoolSys from Audex, another PE firm, earlier this year. Audex had owned CoolSys for three years before that.”
HVAC Neutral
www.achrnews.com
Deal closed Jul 2019 · Atlanta, Dallas, Houston, Phoenix
Verified

Wrench Group sold to Investcorp in 2016

The article references Alpine's prior playbook in what became the Wrench Group, an HVAC and plumbing platform that grew past $150 million in revenue and was sold to Investcorp in 2016.

“The firm applied a similar strategy successfully in what later became known as the Wrench Group, an HVAC and plumbing services platform serving the Atlanta, Dallas, Houston, and Phoenix markets, which grew to over $150 million in revenues and was subsequently sold to Investcorp in 2016.”
HVACPlumbing
www.achrnews.com
Deal closed May 2019 · Colorado
Verified

The Arcticom Group Acquires Victory Construction and Refrigeration

The Arcticom Group (TAG) has acquired Victory Construction and Refrigeration, marking TAG's first HVACR company in Colorado. The deal expands TAG's operations into the Denver and Front Range market, connecting with its existing service area across multiple western states.

“The Arcticom Group (TAG) announced it has acquired Victory Construction and Refrigeration.”
HVACRefrigeration Positive
www.achrnews.com
Deal closed Mar 2019 · Brea, California, U.S.
Verified

CoolSys acquired by Ares Management Corp. fund

CoolSys was acquired by a fund managed by the private equity group of Ares Management Corp., with the existing executive team retaining a significant equity stake; the prior PE backer was Audax Group. Financial terms were undisclosed.

“CoolSys™ was acquired by a fund managed by the private equity group of Ares Management Corp. CoolSys will continue to operate under its current executive team, which will collectively maintain a significant equity investment in the company. Financial terms of the private transaction were not disclosed.”
HVACRefrigeration Positive
www.achrnews.com
Deal closed Jan 2019
Verified

Service Logic acquires Atlantic Cooling Technologies and Services

Service Logic, a Warburg Pincus portfolio company, acquired Atlantic Cooling Technologies and Services, LLC. The transaction closed on January 17, 2019, expanding Service Logic's HVAC/mechanical services platform.

“Service Logic, a Warburg Pincus portfolio company, acquired Atlantic Cooling Technologies and Services, LLC; the transaction closed on January 17, 2019. Akerman LLP advised Atlantic Cooling Technologies on the sale as Service Logic expands its HVAC/mechanical services platform.”
Service Logic · Acquirer Warburg Pincus · Sponsor Akerman LLP · Advisor Atlantic Cooling Technologies and Services, LLC · Target
HVAC Neutral
privsource.com
Deal closed Jan 2019 · Texas
Verified

Baum Capital Partners Invests in Goettl Air Conditioning & Plumbing

Ken Goodrich partnered with Baum Capital Partners in 2019 to expand Goettl's acquisitions. Goettl operates in the West and recently entered the Texas market via a 2019 acquisition.

“Goodrich partnered with Baum Capital Partners, a PE firm that focuses on the lower middle market, last year to expand his acquisitions.”
HVACPlumbing Positive
www.achrnews.com
Deal closed Dec 2018 · Germany
Verified

Engie acquires German AC firm OTTO from Equistone Partners Europe

Engie Deutschland acquired OTTO Luft- und Klimatechnik, a German air conditioning and ventilation company, from private equity firm Equistone Partners Europe. The deal involved the majority shareholders, with a minority stake retained by Hartmut Otto Jr.

“GERMANY: Engie Deutschland has acquired German air conditioning and ventilation company OTTO Luft- und Klimatechnik. The deal was reached with OTTO’s majority shareholders, the private equity firm Equistone Partners Europe who acquired the business in 2014. A minority investment was retained by Hartmut Otto Jr, the son of the company’s founder.”
HVAC Neutral
coolingpost.com
Deal closed Jun 2017 · Australia
Verified

Daikin Acquires Airmaster Corporation

Daikin Industries, through its subsidiary Daikin Australia, acquired all shares of Airmaster Corporation Pty Ltd. for 100 million Australian dollars to strengthen its service and solutions business in the region.

“Daikin Industries, Ltd., through its subsidiary Daikin Australia Pty., Ltd., concluded an agreement on June 21 to acquire Airmaster Corporation Pty Ltd., a leading company in Australia in the business fields of service and solutions for air conditioning equipment. Daikin plans to purchase all company shares held by Airmaster's executives at an acquisition price of 100 million Australian dollars (*approximately 8 billion Japanese yen).”
HVAC Positive
www.daikin.com
Deal closed Jun 2017 · North Nashville
Verified

McKinzie Mechanical Merges with Hiller Plumbing, Heating, Cooling & Electrical

McKinzie Mechanical has joined Hiller Plumbing, Heating, Cooling & Electrical in a merger/acquisition. The deal allows Hiller to better service customers in the Robertson and Sumner County areas of North Nashville.

“In order to support this growth and continue to deliver excellent customer satisfaction, McKinzie has decided to join Hiller Plumbing, Heating, Cooling & Electrical.”
ElectricalHVACPlumbing Positive
happyhiller.com
Deal closed Apr 2017 · Florida
Verified

Comfort Systems USA Completes Acquisition of BCH Holdings

Comfort Systems USA, Inc. completed its previously-announced acquisition of all outstanding securities of BCH Holdings, Inc., a Florida corporation, on April 1, 2017. The initial purchase price was approximately $85.7 million in cash and $14.3 million in promissory notes, with additional earn-out payments possible based on future EBITDA performance.

“On April 1, 2017, Comfort Systems USA, Inc. (the “Company”) completed its previously-announced acquisition of all of the outstanding securities of BCH Holdings, Inc., a Florida corporation (“BCH”) pursuant to the terms of the Stock Purchase Agreement (the “Purchase Agreement”), dated as of February 21, 2017, by and among the Company, BCH, the holders of all the outstanding securities of BCH (collectively, the “Selling Shareholders”) and Daryl W. Blume, as representative of the Selling Shareholders.”
Comfort Systems USA · Acquirer BCH Holdings, Inc. · Target
HVAC Neutral
sec.gov
Deal closed Jun 2016 · North America (Dallas, TX based target)
Verified

Enercare acquires Service Experts (SEHAC Holdings) in North American expansion

Enercare's subsidiary Enercare Solutions completed its acquisition of SEHAC Holdings (Service Experts), a multi-state/province HVAC services company, as part of Enercare's North American expansion strategy.

“Enercare Inc. and its wholly-owned subsidiary, Enercare Solutions Inc., a home and commercial HVAC services and energy solutions company, recently announced that Enercare Solutions had completed its acquisition of SEHAC Holdings Corporation (“ [Service Experts](http://www.serviceexperts.ca) “).”
HVACPlumbing
www.hpacmag.com
Deal closed May 2016 · North America (U.S. and Canada)
Verified

Enercare completes $340.75M acquisition of Service Experts

Canadian home and commercial services company Enercare completed its acquisition of HVAC/plumbing services provider Service Experts via a merger of an indirect wholly owned subsidiary of Enercare Solutions for a purchase price of $340.75 million.

“The transaction was completed by way of a merger of an indirect wholly owned subsidiary of Enercare Solutions with Service Experts for a purchase price of $340.75 million.”
Service Experts · Target Enercare Inc. · Acquirer Enercare Solutions · Subsidiary
HVACPlumbing
www.achrnews.com
Deal closed May 2016 · United States; Canada
Verified

Enercare completes acquisition of Service Experts from American Capital for $340.75M

Canadian home and commercial services company Enercare completed its acquisition of Service Experts, a residential/commercial HVAC, plumbing and home-energy services provider, via merger for a purchase price of $340.75 million, expanding Enercare from Canada into the U.S.

“Canadian home and commercial services company, [Enercare Inc.](http://www.enercare.ca/), recently completed its [previously announced acquisition](https://www.achrnews.com/articles/132024-service-experts-to-be-acquired-by-enercare) of [Service Experts](http://www.serviceexperts.com/). The transaction was completed by way of a merger of an indirect wholly owned subsidiary of Enercare Solutions with Service Experts for a purchase price of $340.75 million.”
HVACPlumbing Positive
www.achrnews.com
Deal closed Mar 2016 · United States
Verified

American Capital acquired Service Experts in 2013

Service Experts was owned by American Capital of Bethesda, Md., which acquired the company in 2013 before the reported Enercare deal.

“Service Experts is currently owned by American Capital, Bethesda, Md., which [acquired the company in 2013](https://www.achrnews.com/articles/122843-march-26-2013-american-capital-completes-buyout-of-service-experts).”
Deal closed Jan 2016 · Atlanta, Dallas, Houston, Phoenix
Verified

Wrench Group sold to Investcorp in 2016 (historical reference)

The article references Alpine's prior successful platform, the Wrench Group, an Atlanta/Dallas/Houston/Phoenix HVAC and plumbing platform that grew to over $150 million in revenues and was sold to Investcorp in 2016.

“The firm applied a similar strategy successfully in what later became known as the Wrench Group, an HVAC and plumbing services platform serving the Atlanta, Dallas, Houston, and Phoenix markets, which grew to over $150 million in revenues and was subsequently sold to Investcorp in 2016.”
HVACPlumbing
www.achrnews.com
Deal closed Jan 2016 · Atlanta, Dallas, Houston, Phoenix
Verified

Investcorp Acquires Wrench Group from Alpine Investors

Alpine Investors built the Wrench Group, an HVAC and plumbing services platform, and subsequently sold it to Investcorp in 2016. Wrench Group had grown to over $150 million in revenues.

“The firm will follow the strategy it used to build the Wrench Group, an HVAC and plumbing services platform serving the Atlanta, Dallas, Houston, and Phoenix markets, which grew to over $150 million in revenues and was subsequently sold to Investcorp in 2016.”
HVACPlumbing Positive
www.achrnews.com
Deal closed Jan 2016 · Atlanta, Dallas, Houston, Phoenix
Verified

Investcorp Acquired Wrench Group from Alpine Investors

Alpine Investors built the Wrench Group to over $150 million in revenues and sold it to Investcorp in 2016.

“The firm will follow the strategy it used to build the Wrench Group, an HVAC and plumbing services platform serving the Atlanta, Dallas, Houston, and Phoenix markets, which grew to over $150 million in revenues and was subsequently sold to Investcorp in 2016.”
HVACPlumbing Positive
www.achrnews.com
Deal closed Dec 2015 · North America
Verified

Audax Private Equity completed majority recapitalization of Source Refrigeration in December 2015

The article discloses that Audax Private Equity completed a majority recapitalization of Source Refrigeration & HVAC in December 2015, establishing PE ownership of the platform.

“Audax Private Equity completed a majority recapitalization of Source in December 2015.”
HVACRefrigeration
www.achrnews.com
Deal closed Dec 2015 · North America
Verified

Audax Private Equity completed majority recapitalization of Source in December 2015

Audax Private Equity completed a majority recapitalization of Source Refrigeration & HVAC in December 2015, establishing PE ownership of the commercial refrigeration platform.

“Audax Private Equity completed a majority recapitalization of Source in December 2015.”
HVACRefrigeration
www.achrnews.com
Deal closed Nov 2015

The SEER Group acquires majority stake in Aladdin Air Conditioning & Heating (related link)

A related-article link on the page references The SEER Group LLC acquiring a majority stake in Aladdin Air Conditioning & Heating Inc. The SEER Group is an HVAC roll-up platform. No date or detail is given in this source.

“The SEER Group LLC Acquires Majority Stake in Aladdin Air Conditioning & Heating Inc.”
The SEER Group · Platform Aladdin Air Conditioning & Heating · Target
HVAC
www.achrnews.com
Deal closed Aug 2015 · Minneapolis, Minnesota / Denver, Colorado
Verified

Service Logic acquires Modern Heating and Air Conditioning

Minneapolis-based commercial HVAC mechanical services firm Modern Heating and Air Conditioning was acquired by MSHC Inc., doing business as Service Logic, one of the largest independent HVAC mechanical services companies in the US.

“DENVER — Modern Heating and Air Conditioning Inc., headquartered in Minneapolis, has been acquired by MSHC Inc., dba Service Logic, headquartered in Denver.”
Service Logic · Acquirer Modern Heating and Air Conditioning · Target
HVAC
www.achrnews.com
Deal closed Oct 2014 · Virginia; Maryland, USA
Verified

Service Experts acquires A-Plus Air (Virginia/Maryland expansion)

Service Experts Heating & Air Conditioning announced a strategic multimillion-dollar acquisition of Maryland-based A-Plus Air Conditioning & Heating, expanding into northeast Virginia and south central Maryland with no service-area overlap.

“Service Experts Heating & Air Conditioning , Wheeling, Illinois, announced a strategic acquisition of Bryans Road, Maryland-based A-Plus Air Conditioning & Heating Co. The multimillion dollar purchase allows Service Experts to expand its footprint into northeast Virginia and south central Maryland.”
Service Experts · Acquirer A-Plus Air Conditioning & Heating Co. · Target
HVAC
www.achrnews.com
Deal closed Oct 2012 · Carmel
Verified

Defender Direct acquires Williams Comfort Air

Defender Direct Inc. announced the acquisition of Williams Comfort Air, a local heating, cooling, and plumbing company. The deal creates a home-services entity with nearly 2,200 employees and $335 million in annual revenue.

“Home-security and satellite-dish company Defender Direct Inc. has acquired local heating, cooling and plumbing powerhouse Williams Comfort Air, the company announced Wednesday morning. The acquisition will create a home-services company with nearly 2,200 employees and $335 million in annual revenue.”
Williams Comfort Air · Target Defender Direct Inc. · Acquirer
HVACPlumbing Positive
ibj.com
Deal closed Sep 2012 · Morristown, Tennessee
Verified

Service Experts Acquires Jones Heating & Air

Service Experts Heating and Air Conditioning has acquired Jones Heating & Air Co., a Morristown, Tennessee-based contracting company founded in 1986. The acquisition expands Service Experts' footprint in Tennessee.

“Service Experts Heating and Air Conditioning announced that it has acquired Jones Heating & Air Co., a Morristown, Tenn., contracting company founded in 1986 by Larry and Cheryl Jones.”
Service Experts · Acquirer Jones Heating & Air Co. · Target
HVAC Positive
www.achrnews.com
Deal closed May 2012 · San Francisco
Verified

SCIenergy Completes Acquisition of Transcend Equity

SCIenergy Inc. has completed its acquisition of Transcend Equity, a provider of energy-saving retrofits for commercial buildings. The deal positions SCIenergy as a global leader in Energy Efficiency as-a-Service and includes a joint venture agreement with Mitsui & Co. (U.S.A.) Inc.

“SCIenergy Inc., a leader in providing cloud-based energy management solutions for building owners and operators, announced that it has successfully completed the acquisition of Transcend Equity, a leader in delivering energy saving retrofits for commercial buildings.”
HVACOther Positive
www.achrnews.com
Deal closed Mar 2011 · Washington, D.C.
Verified

ARS/Rescue Rooter acquires McCarthy Services assets in Washington, D.C.

American Residential Services' ARS/Rescue Rooter acquired the assets of D.C.-based McCarthy Services, its first acquisition in the Washington, D.C. market, expanding its residential/commercial HVAC and plumbing services.

“ARS®/Rescue Rooter®, a privately held, nationwide provider of air conditioning, heating, plumbing, insulation, radiant barrier, and ventilation services, has announced the acquisition of the assets of Washington, D.C.-based McCarthy Services.”
HVACPlumbing
www.achrnews.com
Deal closed Mar 2011 · Washington, D.C.
Verified

ARS/Rescue Rooter acquires McCarthy Services assets in Washington, D.C.

American Residential Services' ARS/Rescue Rooter acquired the assets of D.C.-based McCarthy Services, its first acquisition in the Washington, D.C. market.

“ARS®/Rescue Rooter®, a privately held, nationwide provider of air conditioning, heating, plumbing, insulation, radiant barrier, and ventilation services, has announced the acquisition of the assets of Washington, D.C.-based McCarthy Services.”
HVACPlumbing
www.achrnews.com
Deal closed Jul 2010
Verified

Comfort Systems USA Acquires ColonialWebb Contractors

Comfort Systems USA, Inc. entered into a stock purchase agreement to acquire all outstanding stock of ColonialWebb Contractors Company for approximately $81.3 million, consisting of $57.1 million in cash and $24.2 million in notes, with a working capital adjustment and four-year earn-out.

“On July 28, 2010, Comfort Systems USA, Inc. (the “Company”) entered into a stock purchase agreement (the “Stock Purchase Agreement”) to purchase all of the issued and outstanding stock of ColonialWebb Contractors Company (“ColonialWebb”) from HWWJR LC, HMWSR LC, Mitchell Frederick Haddon, Gary Jon Warness, and Curtis Michael Wood.”
Comfort Systems USA · Acquirer ColonialWebb Contractors Company · Target
HVAC Neutral
sec.gov
Deal closed Jul 2010 · Virginia
Verified

Comfort Systems USA Acquires ColonialWebb Contractors

Comfort Systems USA, Inc. completed the acquisition of ColonialWebb Contractors Company, purchasing all of its issued and outstanding stock. The deal was announced on July 28, 2010, and ColonialWebb became a wholly-owned subsidiary of Comfort Systems USA.

“Comfort Systems USA, Inc. (the “Company”) entered into a stock purchase agreement (the “Stock Purchase Agreement”), dated July 28, 2010, to purchase all of the issued and outstanding stock of ColonialWebb Contractors Company, a Virginia corporation (“ColonialWebb”). As a result of the acquisition, ColonialWebb is a wholly-owned subsidiary of the Company.”
Comfort Systems USA · Acquirer ColonialWebb Contractors Company · Target
HVAC Neutral
sec.gov
Deal closed Jul 2010 · Houston, Texas
Verified

Comfort Systems USA Acquires ColonialWebb

Comfort Systems USA, Inc. completed the acquisition of ColonialWebb, as evidenced by the filing of a Stock Purchase Agreement dated July 28, 2010, and the inclusion of ColonialWebb's audited financial statements in this amended 8-K filing.

“Press release dated July 28, 2010 (i) announcing the Company’s acquisition of ColonialWebb and (ii) discussing the Company’s second quarter earnings”
Comfort Systems USA · Acquirer ColonialWebb · Target
HVAC Neutral
sec.gov
Deal closed Jan 2010 · Houston, Texas
Verified

Comfort Systems USA Announces Acquisitions

Comfort Systems USA, Inc. announced certain acquisitions on January 6, 2010, as reported in a Form 8-K filing with the SEC. The specific targets are not named in this excerpt, but the filing references a press release detailing the transactions.

“On January 6, 2010, Comfort Systems USA, Inc. (the “Company”) issued a press release announcing certain acquisitions of the Company.”
HVAC Neutral
sec.gov
Deal closed Aug 2008 · Wilmington, Delaware
Verified

Comfort Systems USA Acquires Delcard Associates

Comfort Systems USA, Inc. announced the acquisition of Delcard Associates, Inc., a full-service commercial HVAC company based in Wilmington, Delaware. The deal was announced via press release on August 18, 2008.

“Attached and incorporated herein by reference as Exhibit 99.2 is a copy of a press release of the Company dated August 18, 2008 announcing that it has acquired Delcard Associates, Inc., a Delaware corporation and a full service commercial HVAC company based in Wilmington, Delaware.”
Comfort Systems USA · Acquirer Delcard Associates, Inc. · Target
HVAC Neutral
sec.gov
Deal closed Aug 2008 · Bradford, Massachusetts, USA
Verified

ARS/Rescue Rooter acquires Climate Zone, entering Massachusetts

ARS/Rescue Rooter, through parent American Residential Services L.L.C., acquired Boston-area HVAC and plumbing contractor Climate Zone, marking its first presence in Massachusetts.

“BOSTON - ARS/Rescue Rooter, a nationwide provider of heating, air conditioning, and plumbing services, has acquired Climate Zone, based out of Bradford, Mass., through parent company American Residential Services L.L.C.”
HVACPlumbing
www.achrnews.com
Deal closed Mar 2008 · Redmond, Washington
Verified

Comfort Systems USA Acquires Merit Mechanical, Inc.

Comfort Systems USA, Inc. announced it has acquired Merit Mechanical, Inc., a full-service commercial HVAC company based in Redmond, Washington. The acquisition was announced via a press release dated March 4, 2008.

“Attached and incorporated herein by reference as Exhibit 99.1 is a copy of a press release of the Company dated March 4, 2008 announcing that it has acquired Merit Mechanical, Inc., a full service commercial HVAC company based in Redmond, Washington.”
Comfort Systems USA · Acquirer Merit Mechanical, Inc. · Target
HVAC Neutral
sec.gov