Compare the highest-rated hvac professionals in Hazelwood, Missouri. All contractors are licensed, insured, and verified through our rigorous screening process.
A full-service HVAC contractor specializing in high-efficiency system installations and complex diagnostics for both residential and light commercial properties. They are known for their expertise in handling the extreme seasonal temperature swings in the St. Louis area and offer comprehensive energy audits to optimize home comfort and efficiency.
A family-owned and operated HVAC company with deep roots in the Hazelwood community. They provide honest, upfront pricing and are highly regarded for their maintenance plans and tune-up services, which are critical for extending the life of HVAC systems in Missouri's humid climate. They work with top brands like Trane and Lennox.
Known for their rapid response times, especially for emergency no-heat and no-cool calls during Missouri's harsh winters and sweltering summers. They specialize in furnace and AC repair, replacement, and offer robust ductwork fabrication and installation services to address common airflow issues in local homes.
The HVAC market in Hazelwood, MO is highly competitive and service-oriented, driven by a humid continental climate with hot, humid summers (average highs near 90°F) and cold winters (average lows near 23°F). This creates year-round demand for reliable heating and cooling, with peak service calls during July/August and December/January. Homeowners prioritize energy efficiency due to seasonal utility spikes, and there is a significant need for both emergency repair services and planned system upgrades for the area's mix of mid-century and newer homes. Most reputable providers are NATE-certified and EPA-approved to handle refrigerants.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Hazelwood regulations and climate
Get answers to common questions about hvac services in Hazelwood, Missouri.
For a standard efficiency, properly sized system, full replacement in Hazelwood typically ranges from $5,000 to $12,000+, depending on the unit type and home size. Missouri's humid summers and variable winters mean many homeowners opt for higher SEER air conditioners and AFUE furnaces, which increase upfront cost but improve long-term efficiency and comfort. Local factors like existing ductwork condition and any required electrical updates can also influence the final price.
The ideal times are during the mild shoulder seasons of early spring (March-April) and early fall (September-October). Scheduling outside of the peak summer demand and the first winter cold snap ensures greater technician availability and often faster service. For replacements, planning ahead during these periods helps avoid emergency breakdowns during Hazelwood's July/August heatwaves or January freezes when HVAC companies are at their busiest.
Yes, St. Louis County typically requires permits for new HVAC system installations and major replacements to ensure compliance with building and mechanical codes. A reputable local HVAC contractor will handle pulling the necessary permits from the St. Louis County Department of Public Works, which includes inspections to verify safety and proper installation. Always verify your provider handles this, as skipping permits can void warranties and create issues during a home sale.
Look for a locally established, licensed, and insured company with strong reviews specific to the North County/St. Louis region. Verify they carry Missouri HVAC contractor licensing and ask about their experience with Hazelwood's older housing stock, which may have unique ductwork or accessibility challenges. A trustworthy provider will offer a detailed, written estimate, perform a full load calculation (Manual J) for proper sizing, and clearly explain any local rebates from utilities like Ameren Missouri.
During extreme heat and humidity, which is common here, longer run times are normal for maintaining set temperature and dehumidifying. However, consistently non-stop operation could signal issues like an undersized unit, low refrigerant, a dirty air filter, or blocked condenser coils. First, check and replace your air filter, and ensure outdoor unit coils are clear of debris. If problems persist, have a professional assess it, as an overworked system in our climate leads to excessive wear and high energy bills.