Arch Air Services HVAC Services in St. Ann, MO
AC Repair & Replacement Done Right to Keep You Cool
Furnace Repair & Tune-Ups That Keep You Warm
Hot or Cold, Our Service Is Gold
Arch Air Services is a local heating and cooling company based right here in St. Ann. With over 20 years in the trade, we help homeowners and small businesses stay comfortable through Missouri’s hot summers and freezing winter nights.
If you’re near St. Charles Rock Road, Lambert Airport, or anywhere in northwest St. Louis County, we’re close by and ready to help.
- Air conditioning: repair, maintenance, replacement, and new installs
- Heating: furnace repair, system replacement, and seasonal tune-ups
- Heat pumps: repairs and replacements.
- Indoor air quality: filtration, humidity control, and healthier air
Call (314) 428-4328 for a free estimate or to schedule service.
- We’re certified workers
- We satisfied our customers
- We provide best services to all
- We’re expert technicians
- Call Now: (314) 428-4328
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Mon - Fri: 7:30 AM – 5 PM
Sat & Sun: Closed
Heating & Cooling Services in St. Ann, MO
Cooling
AC Installation & Service Done Right the First Time
We calculate your home’s exact cooling load to ensure maximum efficiency, rather than just swapping boxes. Every install comes with our Proper Sizing Guarantee: if the temperature range isn’t met, we make it right at our cost.
AC Services
We provide a firm price for repair before starting any work, so you are never caught by surprise. Our Service Guarantee ensures we fix it right the first visit, or you don’t pay for us to return.
Ductless Mini-Splits
Perfect for home additions, garages, or historic St. Ann homes with boiler heat. Our ductless mini-split systems deliver whisper-quiet cooling exactly where you need it.
Heating
Heating Installation & Repair
We install robust gas and electric furnaces backed by a 10-Year Quality Product Guarantee on heat exchangers. If we perform a repair and the system fails again that season, we return at no extra cost.
Heating Services
Our certified technicians look beyond the symptoms to find the root cause of efficiency loss. We treat your home with respect and never quote a repair you don’t actually need.
Furnace Tune-Ups and Cleaning
Catch small problems before they become emergency breakdowns with our comprehensive precision tune-up. Regular maintenance extends your equipment’s life and satisfies manufacturer warranty requirements.
Heat Pump Repairs and Replacements
These systems handle both heating and cooling, offering year-round efficiency for St. Louis weather. We specialize in diagnosing issues unique to these dual-fuel and electric setups to keep you comfortable in any season.
Healthy Air & Add-Ons
Indoor Air Quality
We install advanced Solace Air purification systems that scrub viruses and allergens without restricting airflow. Keep your family healthy by reducing asthma triggers and airborne contaminants inside your home.
Humidifier Installation & Repair
Protect your sinuses and wood furniture from dry winter air with a whole-home Aprilaire system. These units integrate directly into your ductwork to maintain optimal humidity automatically without the hassle of portable units.
Air Duct Cleaning
Over time, your ducts accumulate construction debris, pet dander, and dust mites that ruin efficiency. Our thorough cleaning removes these contaminants to improve airflow and reduce the dust settling on your furniture.
Maintenance Agreement & Seasonal Tune-Ups
Most breakdowns don’t happen out of nowhere. A simple tune-up can catch small problems before they turn into a no-heat or no-cool emergency.
- Two seasonal checkups help your system run safer and more efficiently.
- Cleaner coils & filters can lower strain on the equipment and cut wasted energy.
- Fewer surprise repairs during the hottest and coldest weeks of the year.
Ask about our service memberships and seasonal specials on precision furnace tune-ups and cleanings.
- We’re certified workers
- We satisfied our customers
- We provide best services to all
- We’re expert technicians
Why St. Ann Homeowners Choose Arch Air
We’re not a “show up and guess” company. We take the time to diagnose the problem and explain your options, so you can make the call that fits your home and budget.
- Honest, clear pricing and straight answers
- Detailed diagnostics to fix the issue at the source
- Clean, professional workmanship—we respect your home
- 24/7 on-call tech when comfort can’t wait
Whether it’s a quick repair or a full replacement, our goal is simple: get your comfort back fast.
Yes. We have a 24/7 on-call technician. If you’re without heating or cooling, call us and we’ll get you scheduled as quickly as possible.
Most systems run best with seasonal checkups. We recommend having your cooling inspected in spring and your heating checked before winter for safer, more efficient operation.
We serve St. Louis County and St. Charles County, including Bridgeton, Maryland Heights, St. Louis, St. Charles, St. Peters, O’Fallon, Wentzville, Chesterfield, Kirkwood, and more.
Our IronClad Guarantee
Proper Sizing Guarantee
When we install a new system, we size it for your home so it heats and cools the way it should. If the promised temperature range isn’t met, we’ll make it right.
Commitment to Service Guarantee
If your system breaks down during the first year and leaves you without heat or air, we’ll be there within 24 hours—or we’ll make it up to you.
One-Year Money-Back Guarantee
If you feel we didn’t do a good job on a new system install, we’ll remove the equipment and refund your money within the first year.
Need HVAC Service Today? Get a Free Estimate
Need heating or cooling help in St. Ann? Call (314) 428-4328 to book service or get a free estimate. We’re based at 3582 Adie Rd, St. Ann, MO and serve homes across St. Ann and the surrounding metro.
Common calls we handle:
- AC not cooling / warm air from vents
- Furnace blowing cold air or making loud noises
- High utility bills, weak airflow, or rooms that won’t stay comfortable
Heat Pump Repairs & Replacements
AC Installation & Replacement
Furnace Tune-Ups & Cleaning
Heat Pump Repairs & Replacements
Indoor Air Quality & Humidifiers
