When it comes to dependable HVAC service in St. Louis, MO, homeowners and businesses trust Arch Air Services for responsive support and long-term comfort solutions. From emergency AC repairs during humid summers to furnace replacements in the winter, we deliver professional heating and cooling services backed by experience.
Call (314) 428-4328 — Our service lines are available 24/7, and you’ll always speak with a live person.
Comprehensive HVAC Repair in St. Louis
HVAC problems don’t wait for convenient times. Whether your air conditioner is blowing warm air or your furnace won’t start, our technicians provide accurate diagnostics and effective repairs for all major system types.
We service and repair:
- Gas furnaces
- Electric furnaces
- Central air conditioning systems
- Heat pumps
- Boilers
- Commercial rooftop units
If you’re searching for HVAC repair in St. Louis, MO, we respond quickly and provide clear recommendations to restore reliable performance.
Air Conditioning Repair & Replacement
St. Louis summers bring heat and humidity that demand a high-performing cooling system. We provide complete air conditioning services for homes and commercial properties across the metro area.
- AC troubleshooting and repair
- New air conditioner installation
- Full AC system replacement
- Energy-efficiency upgrades
- Preventative cooling maintenance
If your system is aging, inefficient, or frequently breaking down, we’ll help you determine whether repair or replacement is the best solution.
Heating Services & Furnace Repair in St. Louis, MO
Winters in St. Louis can be unpredictable. Reliable heating is essential for both safety and comfort. Arch Air Services provides full-service heating repair, installation, and maintenance.
- Furnace repair and installation
- Boiler service and replacement
- Heat pump repair
- Heating system inspections
- Seasonal tune-ups
If your furnace cycles frequently, makes unusual noises, or fails to heat evenly, our team will diagnose the issue and restore dependable warmth.
HVAC Installation & System Upgrades
Proper installation plays a major role in system performance. We provide professional sales and installation of new HVAC systems tailored to your property’s size and comfort needs.
- High-efficiency furnaces
- Central AC systems
- Heat pumps
- Boilers
Our team evaluates airflow, insulation, square footage, and usage patterns to ensure optimal system sizing and long-term efficiency.
Commercial HVAC Services in St. Louis
Businesses throughout St. Louis rely on consistent indoor comfort. We provide commercial HVAC repair, replacement, and maintenance, including rooftop unit (RTU) service.
- Commercial system diagnostics
- Rooftop unit repair and installation
- Preventative maintenance programs
- System efficiency upgrades
Our goal is to minimize downtime and maintain comfortable environments for employees and customers.
New Construction & Renovation HVAC
Planning a new construction project or remodeling in St. Louis? We provide HVAC system design and installation for custom homes, additions, basement finishes, and commercial build-outs.
Proper system design ensures balanced airflow, reliable performance, and long-term energy efficiency.
Air Duct Cleaning & Indoor Air Quality Solutions
Indoor air quality impacts comfort and health. We offer professional duct cleaning and advanced IAQ solutions to improve air circulation and reduce airborne contaminants.
- Air duct cleaning
- Whole-home humidifiers
- Whole-home dehumidifiers
- Air purifiers and cleaners
- Energy recovery units (ERVs)
Preventative HVAC Maintenance Plans
Routine maintenance reduces emergency breakdowns and extends system lifespan. We provide residential and commercial maintenance services for all heating and cooling equipment.
- Seasonal inspections
- Efficiency testing
- Performance optimization
- Ongoing service programs
Why St. Louis Residents Choose Arch Air Services
- Over 20 years of HVAC experience
- 24/7 live phone answering
- Residential and commercial expertise
- Comprehensive repair and installation services
- Clear, honest recommendations
Frequently Asked Questions
Do you offer 24/7 HVAC service in St. Louis?
Yes. Our phone lines are open 24/7, and you’ll always reach a live person when scheduling service.
How often should HVAC systems be serviced?
Most systems should be serviced twice per year — once before cooling season and once before heating season — to maintain efficiency and reduce breakdown risks.
When should I replace my HVAC system?
If your system is over 10–15 years old, requires frequent repairs, or struggles to maintain consistent comfort, replacement may be the better long-term investment.
Do you handle commercial rooftop units?
Yes. We provide full rooftop unit repair, maintenance, and replacement services for commercial buildings in St. Louis.
Contact Arch Air Services
Phone: (314) 428-4328
Email: archairservices@gmail.com
Address: 3582 Adie Rd, St. Ann, MO 63074
Office Hours: Monday–Friday, 8:00 AM – 5:00 PM
24/7 phone availability for service scheduling.