Heating, Cooling & Plumbing Services in Affton, MO

When the air conditioner quits in July or the furnace fails in January, waiting is not an option. A leaking water heater or a backed-up drain is just as urgent. Swiss Air Heating & Cooling serves Affton, MO with technicians who show up, find the cause, and fix it.

Complete HVAC and Plumbing Services for Affton Residents

Swiss Air Heating & Cooling covers air conditioning, heating, indoor air quality, and plumbing across Affton. We maintain, repair, and replace systems in the brick ranches and post-war homes this community is built on.

Air Conditioning Services

St. Louis summers put cooling systems under months of load. We keep Affton homes cool through all of it.

• AC Repair & Service
• AC Installation & Replacement
• AC Maintenance & Tune-Up
• AC Inspection & Testing
• AC Emergency Repair

Heating Services

A safe, working furnace is non-negotiable in winter. We repair, maintain, and replace heating systems across Affton.

• Heating Repair & Service
• Heating Installation & Replacement
• Heating Maintenance & Tune-Up
• Heating Inspection & Testing
• Heating Emergency Repair

Heat Pump Services

Heat pumps handle heating and cooling in one efficient package. We keep them tuned year round.

• Heat Pump Repair & Service
• Heat Pump Installation & Replacement
• Heat Pump Maintenance & Tune-Up
• Heat Pump Inspection & Testing
• Heat Pump Emergency Repair

Ductless Mini-Split Services

Ductless units add reliable comfort to finished basements, additions, and rooms central air never reached.

• Ductless Repair & Service
• Ductless Installation & Replacement
• Ductless Maintenance & Tune-Up
• Ductless Inspection & Testing
• Ductless Emergency Repair

Indoor Air Quality Solutions

We install filtration, purification, and humidity control so the air in your home stays clean in every season.

• Indoor Air Quality Services

Plumbing Services

Our plumbing team repairs leaks, replaces water heaters, and clears drains in homes across Affton.

• Plumbing Repair & Service
• Plumbing Installation & Replacement
• Plumbing Maintenance & Tune-Up
• Plumbing Inspection & Testing
• Plumbing Emergency Repair

Common HVAC and Plumbing Issues in Affton

Affton is an unincorporated community in south St. Louis County, and most of its brick homes went up in the 1940s and 1950s. That consistent housing stock creates consistent service patterns.

Post-War Homes With Mid-Life Systems

Most Affton homes have been through several HVAC replacements, and many current units are 10 to 20 years old. Efficiency falls off, breakdowns arrive in the hottest and coldest weeks, and owners face the repair-or-replace question. We answer it with numbers, not pressure.

Original Drains and Galvanized Lines

Homes of this age often still carry original galvanized supply lines and cast iron drains. Low pressure, rust-tinted water, and repeat clogs are the signals. We replace what is failing and leave what still works.

Basement Water Heaters and Laundry Lines

Basement utility areas mean a water heater failure can soak stored belongings and finished space. Timely replacement and a proper drain pan are cheap insurance. Our plumbers handle both.

Why Affton Homeowners Choose Swiss Air Heating & Cooling

Swiss Air Heating & Cooling is family-owned and has served the greater St. Louis region since 1989. We work in Affton and nearby communities like Webster Groves every week.

Local Experts, Guaranteed Work

Our certified technicians service all major brands, backed by price and workmanship guarantees. The veteran-friendly USA Savings maintenance program keeps your systems ready before each season. Heating, cooling, and water heaters from one local company.

Get Dependable Comfort in Your Affton Home

Weak cooling, unreliable heat, and aging plumbing all have fixes. Swiss Air Heating & Cooling finds the cause and does the work right.

Contact us online to schedule service for your Affton home.