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

For heating and cooling service in Saint Louis, Missouri, customers turn to Saint Louis HVAC Company. The team handles everyday HVAC problems and seasonal system issues common in the area.
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Total Comfort Group

Total Comfort Group

5427 Telegraph Rd Ste E, Saint Louis MO 63129
Heating & Air Conditioning/HVAC

Total Comfort Group is a trusted heating and air conditioning company in Saint Louis, MO. Their skilled team offers HVAC installation, repair, and emergency services for all brands. They focus on reliable solutions for furnaces, air conditioners, and heat pumps, helping keep homes and businesses comfortable year-round. They are a go-to resource for dependable HVAC service across the St. Louis area.

Vern Hill Refrigeration

Vern Hill Refrigeration

Saint Louis MO 63126
Heating & Air Conditioning/HVAC

For over 40 years, Vern Hill Refrigeration has provided reliable HVAC and heating services to Saint Louis, MO. This family-owned company is known for its skilled technicians and trusted, friendly solutions. They offer expert service to areas including Mehlville, Kirkwood, and Fenton.

Zipf-Air

Zipf-Air

★★★☆☆ 3.0 / 5 (5)
324 S Fillmore Ave, Saint Louis MO 63122
Heating & Air Conditioning/HVAC

With over 35 years in St. Louis, MO, Zipf-Air is a trusted HVAC provider for installation and repair. Their skilled, licensed technicians offer dependable emergency service to keep your home comfortable. Serving areas like Kirkwood and Webster Groves, this BBB-accredited company handles everything from furnace replacements to smart thermostats.

Home Services at The Home Depot

Home Services at The Home Depot

10890 Sunset Hills Plaza, Saint Louis MO 63127
Flooring, Windows Installation, Heating & Air Conditioning/HVAC

Home Services at The Home Depot serves Saint Louis, MO with skilled installation and repair. Their certified, insured technicians handle flooring, window projects, and HVAC installation, maintenance, and repair. They provide reliable service for homeowners in Kirkwood, Crestwood, and surrounding areas, operating with extended hours for convenience.

Dawson-Dodd Heating & Cooling

Dawson-Dodd Heating & Cooling

★★☆☆☆ 1.8 / 5 (12)
9000 Watson Rd, Saint Louis MO 63126
Heating & Air Conditioning/HVAC

Dawson-Dodd Heating & Cooling provides dependable HVAC service for Saint Louis, MO. With a focus on reliable heating and air conditioning systems, they bring over a century of Trane expertise to Kirkwood, Webster Groves, and surrounding areas. Their skilled team is committed to creating comfortable indoor environments with quality installations and support.

Perfect Solution Management

Perfect Solution Management

3636 S Geyer Rd Ste 100, Saint Louis MO 63127
General Contractors, Plumbing, Heating & Air Conditioning/HVAC

Perfect Solution Management is a trusted Saint Louis, MO contractor providing expert general construction, plumbing, and HVAC services. Established in 2014 with decades of industry experience, they handle bathroom and kitchen remodels, system installations, and repairs. This licensed and insured company serves Kirkwood, Arnold, and surrounding areas, known for clear communication and reliable project management on over 1,000 local jobs.

Five Star Cooling

Five Star Cooling

2328 Centerline Industrial Dr, Saint Louis MO 63146
Heating & Air Conditioning/HVAC

Five Star Cooling is a trusted HVAC company in Saint Louis, MO, providing reliable heating and air conditioning services. Their skilled technicians handle installations, repairs, and maintenance for all systems. Available for emergency service around the clock, they help keep Maryland Heights, Creve Coeur, and Saint Ann homes comfortable. Fully insured and offering free estimates, they are a dependable local choice.

Aspen Refrigeration Service

Aspen Refrigeration Service

11764 Westline Industrial Dr, Saint Louis MO 63146
Heating & Air Conditioning/HVAC, Appliances & Repair

Since 1981, Aspen Refrigeration Service has been a trusted Saint Louis, MO, provider of commercial repair. Their expert technicians handle HVAC and appliance repair, installations, and maintenance for all makes and models. They reliably serve Maryland Heights, Saint Ann, and the wider St. Louis area with skilled service for refrigeration, heating, and air conditioning systems.

Donahue Heating & Cooling

Donahue Heating & Cooling

2319 Grissom Dr, Saint Louis MO 63146
Heating & Air Conditioning/HVAC

For reliable heating and cooling services in Saint Louis, MO, residents turn to Donahue Heating & Air Conditioning. Their skilled team provides expert HVAC repair and maintenance for the Maryland Heights and Creve Coeur areas. Known as a trusted local company, they are committed to dependable service and customer satisfaction.

Rock Hill Mechanical

Rock Hill Mechanical

524 Clark Ave, Saint Louis MO 63119
Heating & Air Conditioning/HVAC

For reliable HVAC services in Saint Louis, MO, Rock Hill Mechanical serves Webster Groves, Richmond Heights, and nearby communities. Their skilled team provides heating and air conditioning solutions. Known for dependable work, they are a trusted local choice for home comfort needs.



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.





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