How much does AC repair cost in St. Louis County?

AC repair in St. Louis County typically runs $150–$500 depending on the issue. Refrigerant recharges, capacitor replacements, and minor repairs are on the lower end. We provide a firm quote before any work begins.

How much does furnace repair cost in St. Louis County?

Furnace repair in St. Louis County typically costs $100–$400. Common fixes like igniter replacement, blower motor service, or thermocouple replacement are straightforward. Call us for a free estimate.

Do you service both heating and cooling?

Yes — we handle both. Air conditioning in summer, furnaces and heat pumps in winter. One company for all your HVAC needs in St. Louis County.

Furnace Installation & Replacement in St. Louis County, MO

Name: St. Louis County HVAC Pros
Telephone: (314) 400-9726
Price range: $$

Replacing an old furnace in St. Louis County? We install high-efficiency gas and electric furnaces sized correctly for your home — with permits, disposal, and a full system test included.

📞 Call (314) 400-9726 All Services

Professional Furnace Installation in St. Louis County

Replacing an old furnace in St. Louis County? We install high-efficiency gas and electric furnaces sized correctly for your home — with permits, disposal, and a full system test included. Our licensed technicians serve all of St. Louis County, MO including Clayton, Kirkwood, Ballwin, and surrounding areas.

High-efficiency 80% and 96% AFUE systems
All major brands available
Proper sizing with heat load calculation
Old furnace disposal included
Permit and inspection handling
Smart thermostat installation

When to Replace vs Repair Your Furnace

If your furnace is over 15 years old, needs frequent repairs, or your energy bills are rising — replacement is usually the smarter investment. A new high-efficiency furnace can cut your heating costs by 20–30%.

Why Choose St. Louis County HVAC Pros?

Licensed & Insured

Fully licensed HVAC technicians serving St. Louis County, MO.

Same-Day Available

Urgent service available across St. Louis County — call now.

Upfront Pricing

We quote before we start — no hidden fees ever.

All Brands

Carrier, Trane, Lennox, Rheem, Bryant, Goodman, York & more.

Service Areas

Furnace Installation available throughout St. Louis County, MO:

Clayton Kirkwood Ballwin Chesterfield Florissant Hazelwood Maryland Heights Webster Groves