Find and Invite the Best Commercial HVAC Contractors in Harrisburg, PA

Haller Enterprises is a Pennsylvania-based company offering 24/7 HVAC, plumbing, electrical, and water conditioning services for homes and businesses, with a commitment to customer satisfaction and community involvement since 1981.

Clark, Inc. is a premier contracting and facility service company in eastern Pennsylvania, offering design, construction, and maintenance of mechanical and electrical systems for a variety of commercial, industrial, and institutional applications. With a tradition of quality since 1931, the company prides itself on high-quality work and customer satisfaction, providing a single source for electrical, cooling, and control systems, and has been nationally recognized with awards for its commitment to quality and superior service.

H.L. Stoneberger Plumbing & Heating, Inc. is a Mechanicsburg, PA-based contractor providing plumbing and HVAC services, including repairs, maintenance, installations, and emergency services to homes and businesses in the Central PA area since 1986.

Flow Mechanical LLC is a locally owned and operated mechanical business in Lancaster City, Pennsylvania, specializing in HVAC, piping, and plumbing services for commercial, industrial, and residential customers, offering 24-hour emergency service, competitive pricing, and is fully licensed and insured.

Ranck Plumbing, Heating, Cooling, and Excavation is a locally owned business with over 70 years of experience, offering a range of services including emergency repairs and installations in Lancaster County and surrounding areas. They pride themselves on honest, transparent service and a high rate of repeat customers and referrals.

J&G Heating & Air Conditioning, Inc. is a family-owned HVAC contractor based in Conestoga, PA, offering a wide range of services including installations, repairs, and tune-ups for heating, air conditioning, and indoor air quality systems, as well as water heater services and emergency support, with over 27 years of experience.

Witmer Company is a professional service provider offering a wide range of plumbing, HVAC, and emergency services to residential and commercial clients in Lancaster, PA, and surrounding areas since 1941. Their experienced team is equipped to handle installations, repairs, maintenance, and replacements, ensuring customer comfort and satisfaction.

Jay R. Reynolds, Inc. is a Pennsylvania-based construction company specializing in public works, plumbing, and mechanical construction projects, recognized for its experience, quality control, training, pioneering technology, and commitment to safety since 1972.

MidState Mechanical & Electrical LLC is a full-service HVAC, plumbing, and electrical contracting firm established in 2007, specializing in commercial and industrial projects in Central Pennsylvania. As a family-owned business, they are committed to quality, safety, training, and customer satisfaction, serving both the public sector and residential applications.

Leo Kob Co. Inc. is a residential service provider in South Central PA with over 120 years of experience, offering a wide range of services including plumbing, HVAC, electrical work, water treatment, excavation, and remodeling. They are known for their quality service, fair pricing, and comprehensive solutions for both small and large-scale projects.

B&W Inc. is a family-owned and operated business since 1971, specializing in mechanical services for commercial, governmental, and institutional customers in the Hummelstown, PA area, offering design, installation, and maintenance of HVAC, electrical, and plumbing systems.

CMC, Inc. (Commercial Mechanical Construction, Inc.) is a fully insured and bonded corporation based in Gap, PA, specializing in the installation of plumbing, piping, and HVAC systems for commercial, industrial, and institutional clients. Founded in 1982 by Linford Horst and Steve Beiler, the company has a heritage dating back to the early 1950s with W.S. Horst, Inc., a plumbing and HVAC company started by Linford's father.

G.R. Sponaugle is a construction service company specializing in electrical and HVAC projects, including design-assist projects and system conversions for institutions like Penn State University and Harrisburg University. They have also served as the primary electrical contractor for major clients such as the Shippensburg Area School District and Rite Aid Corporation, demonstrating expertise in critical power systems and emergency response capabilities.

Haldeman Mechanical is a family-owned contractor based in Lancaster, PA, providing a range of services including plumbing, HVAC, water conditioning, and emergency repairs since 1939. They offer preventative maintenance plans and cater to both residential and commercial clients.

LOSHAW Thermal Technology specializes in mechanical insulation services, offering over 45 years of combined experience to meet the needs of mechanical contractors and manufacturers in the commercial and industrial markets of South Central Pennsylvania. The company is committed to quality workmanship and provides installations that meet specifications and offer cost-saving methods for mechanical systems and equipment.