Trusted HVAC Contractor in Jefferson City, MO

When your heating or cooling system fails, you need a proven HVAC contractor Jefferson City MO residents have relied on for nearly a century. Harold G. Butzer, Inc. has delivered dependable HVAC service from our location at 721 Wicker Lane, Jefferson City, MO 65109 since 1926. Our staff includes five mechanical engineers, one environmental control technology manager, and one civil engineer. Whether the job is a straightforward repair or a complete design-build installation, we offer one or more cost-effective solutions after a full discussion of your needs. Leave us a Google Review or call us today at (573) 636-4115.

HVAC Replacement Jefferson City MO



Aging equipment costs you money every month it stays in service. We help residential, commercial, industrial, and institutional clients across Central Missouri identify when replacement delivers better value than continued repair. Our engineering team evaluates your existing system, calculates load requirements, and specifies correctly sized equipment from leading brands including Carrier, Trane, Lennox, Rheem, Amana, and York. Proper sizing prevents short cycling, reduces energy consumption, and extends equipment life. Every HVAC replacement Jefferson City MO project we complete includes startup, commissioning, and a full system walkthrough so you understand exactly how your new equipment operates.

HVAC Installation Jefferson City MO


A new building or major renovation starts with the right mechanical design. As the leading design-build mechanical contractor in Central Missouri, HG Butzer handles HVAC installation Jefferson City MO projects from initial engineering through final commissioning under a single contract. Single-source responsibility eliminates back-and-forth between trades, keeps schedules tight, and holds one party accountable for the finished system. We serve all market segments: single-family homes, multi-family housing, retail, office, industrial plants, churches, and institutional facilities. Our in-house sheet metal fabrication shop produces custom ductwork to spec, reducing field time and improving installation quality. For commercial and institutional projects, ask about integrating DDC building automation controls to maximize energy efficiency from day one.

HVAC Repairs Jefferson City MO


Equipment failure does not keep business hours. Our service department is on call via pager 24 hours a day, seven days a week, with a goal of responding to every customer call within one hour or less. We are trained and experienced on all makes and models, covering air handlers, boilers, burners, chillers, compressors, rooftop units, VAV systems, variable frequency drives, computer room units, and more. When you need [24-hour emergency HVAC service](/24-hour-service), call (573) 636-4115 and follow the automated paging prompts. Our rates are reasonable, and our technicians carry the parts most commonly needed to restore your system on the first visit. HVAC repairs and maintenance Jefferson City MO property owners can count on, any hour of the day.

HVAC Maintenance Jefferson City MO


Preventive maintenance is the most cost-effective investment in your HVAC system. Scheduled inspections catch small problems before they become expensive emergencies, maintain manufacturer warranty compliance, and keep equipment running at peak efficiency. HG Butzer maintenance programs cover heating systems, air conditioning units, refrigeration equipment, cooling towers, pumps, and motors for residential and commercial clients throughout Jefferson City and surrounding Central Missouri communities. Our technicians document every visit, so you have a complete service history for each piece of equipment. Consistent maintenance from a qualified HVAC contractor Jefferson City MO businesses trust also supports insurance and compliance documentation requirements.

Frequently Asked Questions

  • How quickly can HG Butzer respond to an HVAC emergency in Jefferson City?

    Harold G. Butzer, Inc. was established in 1926 when Guido Butzer became a self-employed plumber in Jefferson City, Missouri. The company has grown into the leading design-build mechanical contractor in Central Missouri, serving residential, commercial, industrial, and institutional clients for over 100 years.

  • Does HG Butzer offer emergency HVAC service?

    Yes. Our service department is on call 24 hours a day, 7 days a week. Our goal is to respond to every customer call within one hour or less. Call (573) 636-4115 [[CALL]] and follow the automated paging system prompts for after-hours emergencies.

  • What areas does HG Butzer serve as an HVAC contractor?

    As an HVAC contractor Jefferson City MO based company, we serve Jefferson City and surrounding Central Missouri communities including Columbia, Hannibal, and Rolla. We handle residential, commercial, industrial, and institutional HVAC projects of all sizes throughout the region.

Request HVAC Service in Jefferson City Today


HG Butzer is the HVAC contractor Jefferson City MO residents and businesses call first. Founded in 1926, staffed by skilled engineers, and committed to a 1-hour emergency response goal, we deliver dependable service every time. Call (573) 636-4115, reach us toll-free at (800) 769-1065, or email hgb@hgbutzer.com. Our office at 721 Wicker Lane, Jefferson City, MO 65109 is open Monday through Friday, 7:30 a.m. to 4:30 p.m., with 24/7 emergency coverage available year-round.