Comprehensive HVAC Services for Every Need in Kirkwood, MO

Diagnostic Heating & Cooling proudly serves Kirkwood, MO, with dependable HVAC installation and repair services. As a Black-owned and veteran-owned business, we are committed to keeping your property comfortable through every season with solutions you can trust.

Your Go-To HVAC Specialists in Kirkwood

Bringing more than 70 years of combined experience to Kirkwood, our team understands what it takes to keep local homes and businesses comfortable. We approach every HVAC project with integrity, attention to detail, and proven expertise.

our services

HVAC Repair in Kirkwood, MO

Our fast and efficient HVAC repair services ensure your heating and cooling systems get back to optimal performance. Whether it's a noisy air conditioner or a heating issue in winter, we’ve got you covered with trusted expertise.

Technician repairing an air conditioner condenser with tools and refrigerant lines visible
Technician repairing the back of a white air conditioner unit with tools on a patterned floor

HVAC Installation in Kirkwood, MO

Upgrade your home or business with energy-efficient HVAC systems from top brands like Bryant, Goodman, Amana, and American Standard. We make installation seamless, ensuring long-lasting comfort and reliability.

HVAC Maintenance in Kirkwood, MO

Prevent breakdowns and improve energy efficiency with our regular maintenance services. From filter replacements to system tune-ups, we ensure your equipment works like new.

Technician cleaning a wall-mounted air conditioner with a cloth
Technician testing electrical wiring in a control panel with a multimeter

Electrical Maintenance in Kirkwood, MO

Don’t let electrical issues disrupt your day. Our skilled technicians provide thorough maintenance services, ensuring your electrical systems operate safely and efficiently.

Electrical Installation in Kirkwood, MO

From wiring upgrades to new installations, our electrical services provide safe and dependable solutions for all your power needs.

Hands installing an electrical outlet with a drill during home repair
Man installing a smoke detector on a white wall, smiling and wearing a cap and dark shirt

Electrical Repair in Kirkwood, MO

We troubleshoot and fix electrical issues efficiently, ensuring your home or business stays powered without interruptions.