Donnelly Heating and Cooling: Your North Kansas City, MO HVAC Partner

Donnelly Heating and Cooling is a trusted HVAC service provider in North Kansas City, Missouri. For over 20 years, the company has helped local homes and businesses stay comfortable through every season. They offer emergency repair services and focus on both residential and commercial projects. Their team of skilled technicians is dedicated to reliable, straightforward service.

Business Overview

Donnelly Heating and Cooling serves the greater Kansas City area with a full range of heating, cooling, and indoor air quality services. They understand how Midwestern weather can strain a system, from humid summers to freezing winters. That’s why they make emergency repairs a priority. Whether it’s a furnace failure on a cold night or an AC outage during a heatwave, their team is ready to help. They work on homes, offices, and other local buildings.

Key Services

The company provides essential services that homeowners and businesses in North Kansas City, MO often need:

• HVAC installation or replacement, including energy-efficient systems
• HVAC system repair for furnaces and air conditioners
• Water heater installation and repair
• Air duct cleaning to improve airflow and indoor air quality
• Seasonal maintenance agreements to keep systems running smoothly

They specialize in sizing and installing systems that fit the specific needs of a property, which is crucial for older Kansas City homes with unique layouts.

Areas Served

Donnelly Heating and Cooling proudly serves North Kansas City, MO and surrounding communities including Kansas City, Gladstone, Sugar Creek, and Claycomo. Their long history in the area means they have a deep working knowledge of local housing styles, from historic buildings to newer constructions. This local insight helps them provide more accurate and effective service.

Company History

The company was founded by Glen Donnelly, who started learning the HVAC trade as a teenager working with his father. By age 17, he was fully licensed. After college and gaining experience with local companies, he earned his Master Mechanical License at 24. For well over a decade, Glen has been designing, servicing, and installing heating and cooling equipment. This journey from apprentice to master technician forms the backbone of the company’s hands-on, experienced approach.

Leadership

Owner Glen Donnelly brings a lifetime of HVAC expertise to every job. His early training with his father gave him a strong foundation in both residential and commercial work. He continued his education with specialized federal training, mastering system design and operation. Glen’s deep local roots and continuous involvement in the industry ensure that Donnelly Heating and Cooling Kansas City stays current with the best practices and technologies.

Specialties & Highlights

• Over 20 years of dedicated service in the Kansas City region.
• Expertise in energy-efficient solutions, including Goodman brand gas furnaces with variable speed options.
• Professional system sizing and installation tailored to your home or office.
• Preventative maintenance agreements that help reduce repair frequency and costs.
• Licensed, skilled technicians with federal and state certifications.

Why Locals Choose Donnelly Heating and Cooling

Residents and business owners in North Kansas City, MO choose Donnelly Heating and Cooling for their reliability and deep local experience. The company doesn’t just fix systems—they provide long-term comfort solutions. Their preventative maintenance plans, honest service, and focus on proper system sizing mean customers enjoy efficient performance and fewer surprises. When you need HVAC, water heater, or duct cleaning services, Donnelly Heating and Cooling Kansas City offers the steady, knowledgeable support that has built their reputation for two decades.