Harster Heating & Air Conditioning: Keeping Saint Louis, MO Comfortable Since 1950

For over 70 years, Harster Heating & Air Conditioning has been the trusted name for reliable climate control in the Saint Louis metro area. As a family-owned and operated business, they provide expert HVAC and water heater services for homes and businesses. With a large team and a fleet of trucks, they are equipped to handle everything from routine maintenance to emergency repairs, ensuring comfort through every humid summer and chilly winter Saint Louis experiences.

Business Overview

Harster Heating & Air Conditioning serves a wide range of residential and commercial clients across the region. With 28 skilled employees and 24 service vehicles, they offer dependable support for urgent heating or cooling issues. Their focus is on delivering honest, efficient service that meets the specific needs of local properties, from historic brick homes to modern office buildings.

Key Services

Harster Heating & Air Conditioning provides a full suite of services to keep your indoor environment safe and comfortable.

• HVAC Installation or Replacement: Expert setup of new, energy-efficient heating and cooling systems tailored to your Saint Louis home.
• HVAC System Repair: Fast diagnostics and fixes for furnaces, air conditioners, and heat pumps.
• Water Heater Installation: Professional installation of traditional tank or modern tankless water heaters.
• Water Heater Repair: Reliable service to restore your hot water supply quickly.

Areas Served

Harster Heating & Air Conditioning proudly serves communities throughout the greater Saint Louis region. Their service area includes Saint Louis MO, Saint Charles, Florissant, Chesterfield, Oakville, Wildwood, University City, Ballwin, Mehlville, Kirkwood, and many more towns from Maryland Heights to Fenton. Their technicians have deep knowledge of local architecture and common system issues found in area homes and businesses.

Company History

The company's story began in 1950 when Emil F. Harster started a one-man, one-truck operation in south Saint Louis. From those humble beginnings, it has grown into a respected local institution with a team serving approximately 20,000 customers. Today, the business operates from a historic building in Affton that was once the family hardware store, maintaining a tangible connection to its roots.

Leadership

Since 1986, the company has been under the steady guidance of a hands-on owner who believes in simple, honest principles. This leader manages operations with a philosophy centered on customer satisfaction and fair pricing. Their commitment to industry certification and ethical practices has been a cornerstone of the business for decades.

Specialties & Highlights

Several key qualities define Harster Heating & Air Conditioning in Saint Louis, MO.

• Multi-Generation Legacy: A family business with deep community ties since 1950.
• Customer-First Philosophy: A steadfast belief that "the customer's always right."
• Ethical Standards: A commitment to honest work, fair prices, and certified technicians.
• Local Presence: Based in the Affton community, operating from a building full of local history.
• Proven Growth: Evolved from a solo operation to a team of 28 serving the metro area.

Why Locals Choose Harster

Residents and business owners in Saint Louis, MO choose Harster Heating & Air Conditioning for their proven reliability and quality workmanship. Their long-standing presence in the community means they understand the unique demands of the local climate and housing stock. Loyal customers return because they trust the company's straightforward approach, experienced team, and dedication to getting the job done right at a fair price. For dependable comfort solutions, Harster remains a go-to resource.