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Emergency 24 Hour Service Number

Free Estimates and 24 Hour Emergency Service

Preferred Customer Maintenance Programs

Triangle Services Inc. Heating and Cooling…We Treat You Like Family

Fed up with poor service? So are we. That’s why we treat our clients like family.


100% financing with approved credit.
Multi-Program Financing, quick approval process.


Monthly Specials

Ask about our discount this month.

Licensed Experts

EPA certified, licensed
bonded and insured.

About Us

Triangle Services Inc. provides high quality residential and commercial heating and air conditioning sales, services and installations to the upstate of South Carolina and surrounding areas. At Triangle Services Inc. we design, engineer, install, service and maintain all HVAC products. We want you to have complete peace of mind when it comes to your home comfort system. Triangle Services Inc. looks forward to serving you.



William Frank Alewine

As owner of Triangle Services Inc., I bring over 40 years of experience in residential and commercial HVAC with duct fabrication and design.

Triangle Services Inc. does not use all flexible ductwork underneath houses. We also do not use subcontractors to do our installation or service work. We guarantee all of our work. We are family owned and operated so that the customer will know who is coming to their homes and who’s working in their homes by a first name basis. We strive for this to be a key factor in our family operated business.