Top Emergency HVAC Services in Saint Louis, MO,  63101  | Compare & Call

Saint Louis HVAC Company

Saint Louis HVAC Company

Saint Louis, MO
Emergency HVAC Services

Phone : (888) 996-4787

Saint Louis HVAC Company is a local HVAC service provider in Saint Louis, Missouri. The company focuses on dependable repairs, system inspections, and comfort solutions for local properties.
FEATURED
Welsch Heating & Cooling

Welsch Heating & Cooling

★★★★☆ 4.3 / 5 (28)
2175 Welsch Industrial Ct, Saint Louis MO 63146
Heating & Air Conditioning/HVAC

Since 1895, Welsch Heating & Cooling has been a trusted Saint Louis, MO HVAC company. They provide installation, repair, and maintenance for all heating and cooling systems. Available 24/7 for emergency service, this family-owned business is known for its reliable work and long-standing local reputation.

Loyd Heating and Cooling

Loyd Heating and Cooling

★★★★★ 5.0 / 5 (1)
Saint Louis MO 63101
Heating & Air Conditioning/HVAC

Loyd Heating and Cooling, serving Saint Louis, MO, is your local, trusted HVAC specialist. Founded in 2024, they offer expert system installation and repair for both homes and businesses. Their skilled team provides reliable, 24/7 emergency service to keep your property comfortable in any season across the Greater St. Louis area.

Air Solutions

Air Solutions

Saint Louis MO 63101
Heating & Air Conditioning/HVAC

Air Solutions provides expert HVAC sales and installation for Saint Louis, MO, helping you perfect your home's climate. Their skilled technicians focus on reliable system setup, offering several DIY options as well. Trust this local company for straightforward service that gets your heating and cooling right.

Green Clean Air Repair

Green Clean Air Repair

★★★★☆ 3.7 / 5 (6)
Saint Louis MO 63114
Handyman, Air Duct Cleaning, Heating & Air Conditioning/HVAC

Green Clean Air Repair is a family-owned service provider in Saint Louis, MO, available around the clock for urgent needs. Their skilled technicians handle air duct cleaning, HVAC repair, and general handyman tasks. Trusted by the community, they offer reliable maintenance and installation services for both homes and businesses across the greater Saint Louis area.

Reliable Heating and Cooling

Reliable Heating and Cooling

★★★☆☆ 2.5 / 5 (14)
8463 Delport Dr, Saint Louis MO 63114
Heating & Air Conditioning/HVAC, Water Heater Installation/Repair

Since 1972, Reliable Heating and Cooling has been a trusted HVAC company for Saint Louis, MO. Their skilled technicians handle furnace and AC repairs, new system installations, and water heater services. Available 24/7 for emergencies, they provide dependable heating and cooling solutions for local homeowners.

Air Stream

Air Stream

★★★★☆ 4.0 / 5 (2)
3824 Primm St, Saint Louis MO 63123
Heating & Air Conditioning/HVAC

Air Stream provides reliable HVAC installation, repair, and maintenance in Saint Louis, MO. With over a decade of local experience, this trusted, family-owned company focuses on energy-efficient solutions and customer care. Their skilled technicians offer dependable service to enhance your home comfort and system performance throughout the St. Louis region.

A1 Heating And Cooling

A1 Heating And Cooling

★★★★★ 5.0 / 5 (1)
Saint Louis MO 63114
Heating & Air Conditioning/HVAC

A1 Heating And Cooling provides reliable HVAC, plumbing, and electrical services to Saint Louis, MO, and the wider metro area. Known for dependable emergency repairs and system installations, their skilled technicians offer solutions for homes and businesses. The company maintains a strong local reputation for quality work and responsive service across a broad 100+ mile service radius.

EMS

EMS

Saint Louis MO 63376
Heating & Air Conditioning/HVAC

EMS delivers heating and air conditioning service in Saint Louis, MO, and surrounding communities like O'Fallon and Saint Charles. Known for reliable solutions and skilled HVAC technicians, they are a trusted local resource for system maintenance and repairs.

Sewell Heating & Cooling

Sewell Heating & Cooling

★★★★★ 5.0 / 5 (3)
2949 Ashby Rd, Saint Louis MO 63114
Heating & Air Conditioning/HVAC

Serving the Saint Louis area since 1945, Sewell Heating & Cooling is a trusted family-run HVAC company. They offer installation, repair, and maintenance for all heating and cooling systems. Their skilled technicians provide emergency service and are dedicated to customer satisfaction, backed by their A+ BBB rating.

Adams Air Conditioning & Heating

Adams Air Conditioning & Heating

★★★★★ 5.0 / 5 (1)
Saint Louis MO 63123
Heating & Air Conditioning/HVAC

Adams Air Conditioning & Heating provides reliable HVAC service to Saint Louis, MO homeowners. Their skilled team handles everything from system installation and repair to regular maintenance. Known for their trustworthy work, they offer prompt emergency assistance to keep your home comfortable. They are a dependable choice for heating and cooling needs across the Saint Louis metro area.

PreviousNext


HVAC Service in Saint Louis, MO: Your Local Guide for Year-Round Comfort

Living in Saint Louis means facing the full range of Midwestern weather. One day it’s a humid, 95-degree summer scorcher, and the next, a polar vortex can send temperatures plunging below freezing. When your home's comfort system fails during these extremes, you need help fast. This guide is for Saint Louis homeowners looking to understand HVAC service, from routine maintenance to emergency repairs. Whether you’re in the historic brick homes of Soulard, a newer subdivision in Chesterfield, or a condo downtown, we’ll cover what you need to know about reliable HVAC service in Saint Louis, MO.

What Does Full HVAC Service Mean for Saint Louis Homes?

HVAC service isn’t just fixing something when it breaks. It’s a full spectrum of care for your heating, ventilation, and air conditioning system. For Saint Louis residents, this typically includes seasonal tune-ups in the spring and fall, same-day repairs for sudden problems, and 24/7 emergency response for true crises. Think of it like taking care of your car: regular oil changes prevent major engine failure. A professional HVAC service visit might involve cleaning coils, checking refrigerant levels, testing safety controls on your furnace, and ensuring everything runs efficiently to handle our sticky summers and cold winters.

What Qualifies as a Real HVAC Emergency?

Not every HVAC problem requires a midnight service call. A true emergency is about safety and preventing major damage. In Saint Louis, we consider these situations emergencies:

  • No Heat During Freezing Weather: If your furnace quits when it's 20 degrees out, especially with children or elderly family members at home.
  • AC Failure During a Heatwave: When the heat index is over 100°F and your AC stops cooling.
  • Gas Smells or Suspected Carbon Monoxide: Any odor of natural gas or if your CO alarm is sounding.
  • Electrical Burning Smells or Smoke: Coming from your furnace, air handler, or thermostat.
  • Major Water Leaks from Your AC: A clogged condensate line can cause water to pour from your indoor unit, risking ceiling and floor damage.

If you experience any of these, it’s time to call for emergency HVAC service immediately.

How Saint Louis Climate and Housing Challenge Your System

Our unique climate puts extra stress on HVAC equipment. The high summer humidity makes ACs work harder, often leading to frozen coils. Winter ice storms and salt air from treated roads can corrode outdoor units. Older homes in neighborhoods like The Hill or Lafayette Square might have aging gas furnaces or boiler systems that need careful maintenance, while newer homes in Ballwin or St. Charles often use high-efficiency heat pumps. From central AC and gas furnaces to ductless mini-splits in home additions, knowing your system type helps when you need service.

Common HVAC Problems We See in Saint Louis

Homeowners across the region often call us for similar issues. In the summer, we get many calls for ACs that aren’t cooling, often due to a failed capacitor or a refrigerant leak. Just last July, a family in Kirkwood had their AC freeze solid during a humid spell because of a dirty air filter. In the winter, furnaces that won’t ignite are common, frequently caused by a dirty flame sensor or a faulty igniter. Another frequent issue is the AC leaking water inside the house, which usually points to a clogged condensate drain line—a quick fix if caught early, but it can cause water damage in a basement or crawlspace.

Emergency, Same-Day, or Routine Service: Knowing the Difference

Understanding when to call for what type of HVAC service is key. If your AC is blowing slightly warm air on a mild 80-degree day, a same-day or next-business-day appointment is usually fine. This is standard HVAC repair. If that same failure happens during a dangerous heat advisory, it becomes an emergency. For routine needs like an annual furnace check-up or replacing a thermostat, scheduling during regular business hours is perfect. The goal is to match the urgency of the service to the situation, ensuring safety and comfort without unnecessary emergency fees when possible.

A Transparent Look at HVAC Service Costs in Saint Louis

We believe in clear, upfront pricing. Most HVAC service calls start with a diagnostic fee, typically between $80 and $120, to pinpoint the problem. For emergency service after hours, on weekends, or holidays, there is an additional emergency call-out fee, which can range from $100 to $200. Labor rates for emergency times are often 1.5 to 2 times the standard rate. Parts are priced separately. For example, a common repair like replacing a furnace igniter on a weekday might cost $250-$400 total. An emergency capacitor replacement for an AC on a Sunday afternoon in July might range from $400-$600. These are estimates, and your final cost depends on the specific repair and parts needed.

Signs You Need Immediate HVAC Service

  • No heat during freezing Saint Louis winter weather.
  • Carbon monoxide alarm is beeping or has activated.
  • You smell a strong odor of natural gas near the furnace.
  • Seeing smoke or smelling burning from HVAC equipment.
  • Water is pooling from your indoor air handler or AC unit.
  • Loud banging, screeching, or buzzing noises from the system.
  • Complete AC failure during a period of dangerous heat.

Safety Checklist While Waiting for Help

  • If you smell gas, evacuate the home immediately and call the gas company from outside.
  • If the CO alarm sounds, get everyone outside into fresh air and call 911.
  • If it is safe to do so, turn off the HVAC system at the thermostat and the circuit breaker.
  • Keep children and pets away from the malfunctioning equipment.
  • Move elderly family members or anyone with health concerns to a safe, temperate location if possible.

Remember: Never attempt to repair gas lines or high-voltage electrical components yourself.

Local Codes and Why Professional Service Matters

In Saint Louis and across Missouri, HVAC work must comply with specific codes. This includes proper furnace venting to prevent carbon monoxide hazards and EPA Section 608 certification for handling refrigerants. Major installations like a new furnace or AC often require a permit from the city or county. Using a licensed, insured HVAC service provider ensures the work is done safely, correctly, and up to code, protecting your home and your family.

What to Expect for Response Times in the Saint Louis Area

When you call for emergency HVAC service in Saint Louis, our goal is to have a technician on the road quickly. Typical response times can range from 60 to 180 minutes, depending on traffic, severe weather conditions, and your specific location relative to our dispatchers. We navigate the metro area, from I-64 to I-70 and I-270, to reach you as safely and swiftly as possible.

Your Trusted Partner for Saint Louis HVAC Service

From routine maintenance to urgent repairs, having a reliable local expert makes all the difference for your home’s comfort and safety. We’ve covered what HVAC service in Saint Louis, MO entails, how to handle emergencies, and what to expect. Your comfort is our priority, no matter the season.

Saint Louis Emergency HVAC provides trusted HVAC service in Saint Louis, MO, including 24/7 emergency response and same-day repairs. Call (888) 996-4787 now for immediate dispatch.





Scroll to Top
CALL US NOW