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James Simpson Promotion – Service Sales Manager

With an extensive background spanning three decades in the the HVAC service market, W.B. Guimarin proudly announces the recent promotion of James Simpson to the role of Service Sales Manager. Following his academics at Midlands Technical College, James quickly transitioned from the residential HVAC market into the commercial realm in the late 90’s. Joining W.B. Guimarin in 2000, he progressed from a Commercial Field Technician to HVAC Project Manager, and now has assumed the position of Service Sales Manager.

James’s educational foundation, coupled with his hands-on experience, positions him as an invaluable asset out our clients. He excels in formulating clear and precise action plans tailored to address ones HVAC mechanical concerns. Having partnered with a diverse array of clients, his extensive experience is not just resolving current issues but also working collaboratively with teams to implement effective action plans for the coming years.

Chances are you may have already worked with James in the past, but for those who have not, he and his team would enjoy the opportunity to showcase why the WBG Team has been a trusted advisor for 120 years. For all of your HVAC service or project needs throughout South Carolina, you can start the conversation by reaching out to him via email at