HVAC Repair in Saint Louis, MO
Arctic Air Heating & Cooling provides 24/7 heating and air conditioning repair, installation and maintenance across 33 ZIP codes in Saint Louis, Missouri. One dispatch line, licensed local technicians, flat-rate pricing.
Most of the work we do in Saint Louis starts the same way: the system is running but the house is not comfortable. Before we replace anything, we measure airflow, static pressure and temperatures so you are paying for the actual fault.
Call for HVAC service in Saint Louis
33 Saint Louis ZIP codes served, day or night.
- A live dispatcher answers — never a phone tree or an answering service script
- Flat-rate pricing agreed before a single tool comes out
- Licensed, insured and background-checked technicians only
- Common failure parts stocked on every truck
- Licensed & Insured Technicians
- Background-Checked Crews
- Upfront Flat-Rate Pricing
- Same-Day & Next-Day Service
- No Overtime Charges
- All Work Warrantied
ZIP codes we cover in Saint Louis, MO
Pick your ZIP code for local pricing, response times and technician availability.
- Saint Louis63101
- Saint Louis63102
- Saint Louis63103
- Saint Louis63104
- Saint Louis63105
- Saint Louis63108
- Saint Louis63109
- Saint Louis63110
- Saint Louis63111
- Saint Louis63112
- Saint Louis63114
- Saint Louis63116
- Saint Louis63117
- Saint Louis63118
- Saint Louis63119
- Saint Louis63121
- Saint Louis63122
- Saint Louis63123
- Saint Louis63124
- Saint Louis63125
- Saint Louis63126
- Saint Louis63127
- Saint Louis63128
- Saint Louis63129
- Saint Louis63130
- Saint Louis63131
- Saint Louis63135
- Saint Louis63139
- Saint Louis63140
- Saint Louis63141
- Saint Louis63143
- Saint Louis63144
- Saint Louis63146
About HVAC service in Saint Louis
Local homeowners often run their system harder than the design intended, especially during May through September. That accelerates wear on contactors, capacitors and blower bearings.
Typical Saint Louis service pricing
| Service | Typical Range |
|---|---|
| Diagnostic / service call | $70 – $140 |
| Capacitor replacement | $167 – $391 |
| Contactor replacement | $177 – $419 |
| Refrigerant leak repair + recharge | $298 – $837 |
| Blower motor replacement | $419 – $884 |
| Compressor replacement | $1,302 – $2,697 |
| Hot surface igniter / flame sensor | $149 – $372 |
| Furnace control board | $353 – $791 |
| Condensate drain / float switch | $121 – $316 |
| Thermostat install (wired or smart) | $140 – $419 |
| Duct cleaning (whole home) | $353 – $837 |
| Full system replacement (installed) | $5,580 – $12,090 |
Market ranges for Saint Louis, Missouri. Confirmed flat-rate quote provided on site.
Services available in Saint Louis
Air Conditioning Repair
Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.
Furnace Repair
Gas, propane, oil and electric furnace troubleshooting and repair.
HVAC Installation & Replacement
Full system replacement and new construction installs with a Manual J load calculation so the equipment is actually sized for your home.
Heat Pump Repair & Service
Heat pump diagnosis and repair for both heating and cooling operation, including cold-climate units, defrost board failures, reversing valve problems, auxiliary heat strip faults and refrigerant charge issues.
24/7 Emergency HVAC Repair
Around-the-clock response for no-heat in freezing weather, total AC failure during a heat wave, gas smells, carbon monoxide alarms, water flooding from the indoor unit and complete system shutdowns.
Air Duct Cleaning & Sealing
Whole-home duct cleaning and aeroseal-style duct sealing to recover lost airflow, reduce dust and lower the load on your equipment.
HVAC Maintenance & Tune-Up
Seasonal precision tune-ups that catch failing components before they strand you.
Commercial HVAC Service
Service for light commercial and commercial properties including rooftop packaged units, VRF and VRV systems, split systems, make-up air units and building automation controls.
Saint Louis HVAC questions, answered
What brands do you service in Saint Louis?
All of them. Our 63101 technicians are trained on Carrier, Trane, Lennox, Rheem and essentially every other residential brand sold in Missouri, including discontinued lines. We keep a broad parts catalogue on the trucks for exactly that reason.
Why is my system short cycling?
Short cycling in Saint Louis most often comes from a restricted airflow path — a loaded filter, a closed register, an undersized return — or from an oversized unit. It can also be a failing flame sensor or a pressure switch fault. We measure static pressure and temperature rise before concluding anything, because guessing at this one is expensive.
Do you offer maintenance plans?
We do. A two-visit plan in Missouri covers a spring cooling inspection and an autumn heating inspection, priority scheduling during peak weeks, discounted repairs and no diagnostic fee. Members rarely end up on the emergency list.
What does a new system cost in Saint Louis?
A complete residential replacement in the 63101 area generally lands between $6,000 and $13,000 installed, depending on capacity, efficiency rating and how much ductwork has to be modified. We always perform a Manual J load calculation first, because an oversized unit costs more to buy and runs worse than a correctly sized one.
What causes water to leak from the indoor unit?
Almost always a blocked condensate drain line, a failed drain pan float switch, or a frozen coil melting faster than the pan can handle. In Saint Louis we see algae and dust clogging drain lines constantly during May through September. It is a fast fix but ignoring it ends in ceiling damage.
HVAC service in Saint Louis, MO — call now
One call to (866) 548-3173 puts a licensed Saint Louis technician on the way. Available 24 hours a day.
(866) 548-3173Answered 24 hours a day, 365 days a year