Ryan Heating Co | Emergency HVAC Services in Saint Louis, MO

5822 Gravois Ave, Saint Louis, MO 63116

(314) 352-1111

Company Profile

Ryan Heating Co is a trusted, locally-owned HVAC contractor serving Saint Louis homeowners. We understand the specific challenges of maintaining comfort in our climate, especially with aging systems and faulty thermostats that can leave you without heat on a cold winter night or cool air during a humid summer. Our team specializes in diagnosing and repairing these common local issues efficiently. From replacing old, inefficient furnaces and air conditioners to troubleshooting and installing modern, programmable thermostats, we provide reliable solutions to restore your home's comfort and improve energy efficiency. We're committed to honest service and clear communication, ensuring Saint Louis families can depend on their HVAC systems year-round.

Main Services

  • HVAC installation or replacement
  • HVAC system repair

Questions and Answers

My furnace in my St. Louis home is over 15 years old. Should I repair it or consider a replacement?

For a furnace that age, replacement is often the more cost-effective and reliable long-term solution, especially with our variable Midwestern weather. Older systems become less efficient, leading to higher energy bills and more frequent breakdowns. We can perform a thorough evaluation, comparing repair costs to the savings and improved comfort a new, high-efficiency model would provide. Modern furnaces are significantly more efficient and can better handle St. Louis winters while lowering your monthly bills.

Why is my thermostat not reaching the set temperature, and what can Ryan Heating Co do?

A thermostat malfunction is a common issue that disrupts comfort. It could be due to faulty wiring, a dying battery, dust accumulation, or simply being in a poor location (like near a draft or in direct sunlight). Our technicians are experts in thermostat diagnostics. We'll pinpoint the problem, whether it requires a simple calibration, a wiring repair, or an upgrade to a more accurate and energy-saving programmable or smart thermostat tailored for your St. Louis home.

What are the signs that my HVAC system needs immediate professional attention?

Don't ignore these key signs: strange noises (banging, screeching), uneven heating or cooling between rooms, a sudden spike in your utility bills, or the system constantly cycling on and off. These are often symptoms of a failing component in an aging system. Addressing them promptly with our expert repair service can prevent a complete breakdown during extreme St. Louis temperatures, saving you from an emergency situation and potentially more costly repairs.

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours


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