HVAC Company Serving Valley Park, MO

In Valley Park, heating and cooling needs are often shaped by the home itself. Older homes near the original town center, properties with crawl spaces or lower levels, and newer homes around Peerless Park can all have different concerns when it comes to airflow, humidity, equipment placement, and long-term system performance. Because parts of the city sit near the Meramec River and have a history of flooding, some homes also need extra attention to moisture control and where HVAC equipment is installed.

Martin-Jetco Heating and Air Conditioning understands what that means for a heating and cooling system. Family-owned since 1964, the team has handled HVAC work across this kind of terrain for decades, and every visit starts with a licensed, NATE-certified technician looking at your home rather than suggesting one-size-fits-all solutions.

Not sure whether to repair, replace, or maintain your system? Our experienced HVAC technicians can evaluate your home and walk you through the options. Call (636) 205-1631 today.

All the HVAC Needs We Handle in Valley Park

A single call covers the full range of heating, cooling, air quality, maintenance, and emergency HVAC needs for Valley Park homes and businesses.

Cooling Services

• AC Repair 
• AC Installation 
• AC Replacement 

Heating Services

• Furnace Repair 
• Furnace Installation 
• Furnace Replacement 
• Heat Pump Services 

Ductless Mini-Splits

Ductless mini-splits can be a practical fit for additions, finished rooms over a garage, spaces that do not connect easily to existing ductwork, or areas where the home’s layout makes new duct runs difficult.

Indoor Air Quality

Martin-Jetco Heating and Air Conditioning installs whole-home filtration, humidifiers, and dehumidifiers as part of our indoor air quality services. In a river community where moisture can be a concern, these upgrades can play an important role in comfort and air quality.

Maintenance & Emergency Service

Routine upkeep falls under HVAC maintenance. When something fails outside normal business hours, emergency HVAC service is available, including evenings, weekends, and holidays.

Additional HVAC Services

Martin-Jetco Heating and Air Conditioning also handles boilers, geothermal systems, and commercial heating and cooling for businesses.

Martin-Jetco Heating and Air Conditioning installs York, Goodman, Daikin, Carrier, and Trane. Financing is available for qualifying projects.

What a New AC or Furnace Costs in Valley Park

Most replacement projects in Valley Park land in one of two categories:

• AC Replacement with evaporator coil: approximately $5,500 to $9,200
• Complete HVAC system (furnace and AC): approximately $8,450 to $22,990 or more

Where a specific project falls within those ranges depends on a few things:

• Home square footage and the system tonnage required
• Whether existing ductwork needs sealing or modification
• Variable-speed equipment with a higher SEER2 rating versus standard equipment
• Any zoning requirements for the home
• Electrical or code work needed before installation
• Indoor air quality additions included in the project
• How accessible the mechanical space actually is

In Valley Park specifically, equipment placement is worth discussing early. Homes closer to the floodplain sometimes benefit from elevated pad placement or specific drainage considerations around outdoor units, which a technician can walk through during the in-home evaluation. That evaluation is the only reliable way to know what your actual project will cost.

Request an estimate online or call (636) 205-1631.

HVAC Repair Pricing You Can Plan Around

Not every problem requires a new system. Here is what the most common HVAC repairs typically run:

• Capacitor: $150 to $450
• Thermostat: $100 to $600
• Ignitor replacement: $180 to $350
• Flame sensor: $180 to $340
• Furnace capacitor: $150 to $350
• Blower motor: $500 to $1,400 or more
• Evaporator coil: $600 to $2,000
• Control board: $700 to $1,650
• Heat exchanger: $2,000 to $4,000
• Compressor-related failures: well over $1,000

Our technician confirms the exact number once the actual part and labor are known, and explains how that figure compares against the cost of AC replacement or furnace replacement so you are deciding with real numbers in front of you, not guesswork.

Call (636) 205-1631 for a repair quote you can trust.

Spreading Out the Cost of a New System 

A new HVAC system is a major investment, but the full cost does not always have to be paid at once. During the in-home evaluation, the team walks through what is available for your specific project: financing that turns the total into fixed monthly payments, utility rebates that get filed on your behalf once eligible equipment is installed, federal energy-efficiency tax credits for qualifying high-efficiency heat pumps and furnaces, and any active seasonal promotions at the time of your estimate.

Heating or Cooling Down? Here's What Happens When You Call (636) 205-1631

Emergency HVAC service is available 24/7, so you can call Martin-Jetco Heating and Air Conditioning when heating or cooling problems cannot wait.

When you call, you can expect:

• A technician dispatched as soon as scheduling allows 
• Same-day service often available when you call earlier in the day 
• Arrival within a few hours in some cases, depending on schedule, weather, location, and availability 
• A full diagnosis once the technician is on site 
• A clear explanation of what failed and what the repair will cost before work begins 
• Same-visit repairs when the needed parts and conditions allow 
• Larger repairs quoted and scheduled, often within 24 to 48 hours 

If your home is uncomfortable right now, call (636) 205-1631.

The HVAC Challenges of Living Near the Meramec

The Meramec River affects more than the city’s history. It can also affect how homes feel indoors, how hard HVAC systems have to work, and where problems tend to show up first.

Some of the issues Martin-Jetco Heating and Air Conditioning looks for include:

• Higher indoor humidity near the floodplain. Homes closer to the river often deal with more moisture in the air, especially in crawl spaces and lower levels. If an AC system is oversized, it may cool the home quickly but shut off before it has enough time to remove humidity, leaving rooms cool but damp. 
• Crawl spaces and lower levels that need closer attention. Older Valley Park homes may have mechanical equipment, ductwork, or access points shaped by past flooding concerns. That can affect airflow, maintenance access, and replacement planning. 
• Equipment placement that matters more than usual. Furnaces, air handlers, and outdoor units should be evaluated with moisture, drainage, access, and long-term performance in mind. 
• Newer homes that still need humidity control. Homes in Peerless Park and nearby areas may have more modern ductwork and equipment, but Valley Park’s humidity still makes dehumidification and proper system sizing important. 
• Older ductwork near the original town center. Some older homes have ductwork that was added or modified long before today’s sizing standards. A simple equipment swap may not fully solve comfort problems if airflow is still the issue. 

Areas of Valley Park We Serve

Martin-Jetco Heating and Air Conditioning serves homeowners and businesses throughout Valley Park, including the 63088 zip code, Peerless Park, and the Twin Oaks area. The team is familiar with the city's older residential streets near the historic downtown along Marshall Road and Bowles Avenue, as well as newer development in Peerless Park near Highway 141.

Local landmarks the team works near regularly include Simpson Park and its fishing lake, Buder Park on both sides of the Meramec, the Meramec Levee Recreation Park, and the Valley Park Community Library. Families connected to the Valley Park School District will find Martin-Jetco Heating and Air Conditioning already familiar with the area's homes.

The team also covers the commercial and industrial properties along the Highway 141 corridor and near Interstate 44.

Keeping a System Running Smoothly Between Visits

Martin-Jetco Heating and Air Conditioning Home Comfort Agreement is built around a simple idea: catch small problems before they become expensive ones, on a schedule that matches when your system actually needs attention.

Members get a full inspection ahead of both cooling season and heating season, so nothing is discovered for the first time during a 95-degree afternoon or a January cold snap. Beyond the two seasonal visits, the agreement includes 20% savings on parts and labor for any repair work that comes up in between, no overtime charges regardless of when you call, priority scheduling ahead of non-members, and a reduced diagnostic fee for calls during normal business hours.

Ask Martin-Jetco Heating and Air Conditioning about the Home Comfort Agreement when you call (636) 205-1631.

Trusted HVAC Service, Backed by Decades of Local Work

Martin-Jetco Heating and Air Conditioning has served the St. Louis area since 1964 and remains family-owned today. The company’s approach has stayed straightforward: explain the problem clearly, price the work honestly, and stand behind the job afterward.

That approach is backed by credentials homeowners can verify. Martin-Jetco Heating and Air Conditioning has been named York Dealer of the Year multiple times, holds an A+ rating with the Better Business Bureau, and has earned six Angie’s List Super Service Awards. Every technician who comes to your door is licensed and NATE-certified, the industry’s leading independent technical credential.

If you want a better sense of what working with the team is actually like, our 1,000+ five-star Google reviews are a good place to start. They come from homeowners across the region who have trusted Martin-Jetco Heating and Air Conditioning for repairs, replacements, maintenance, and emergency HVAC service.

Frequently Asked Questions

What areas of Valley Park does Martin-Jetco Heating and Air Conditioning serve?

Martin-Jetco Heating and Air Conditioning serves all of Valley Park, including the 63088 zip code, Peerless Park, and the Twin Oaks area.

Does living close to the Meramec River affect my HVAC system?

It can. Homes near the floodplain tend to deal with higher ambient humidity than homes farther from the river, which means proper system sizing matters more here than in a drier inland community. An oversized unit will short-cycle and leave the air feeling damp even while the temperature reads comfortable. Martin-Jetco Heating and Air Conditioning accounts for this during every evaluation in Valley Park.

How much does it cost to replace an HVAC system in Valley Park?

An AC replacement with evaporator coil runs approximately $5,500 to $9,200. A complete HVAC replacement runs approximately $8,450 to $22,990 or more. Home size, ductwork condition, equipment efficiency, and installation complexity all factor into where your specific project lands. Call (636) 205-1631 or request an estimate online for a number based on your home.

What does AC repair typically cost?

Smaller fixes like capacitors and thermostats generally run $150 to $600. A blower motor replacement runs $500 to $1,400 or more, and an evaporator coil repair falls between $600 and $2,000. Compressor failures are usually the most expensive single repair, often well past $1,000. Martin-Jetco Heating and Air Conditioning gives you the actual cost and an honest comparison against replacement before any work starts.

What does furnace repair typically cost?

An ignitor replacement runs $180 to $350, a flame sensor $180 to $340, and a furnace capacitor $150 to $350. Bigger jobs cost more: a blower motor $500 to $1,400 or higher, a control board $700 to $1,650, and a heat exchanger $2,000 to $4,000. At the higher end, comparing that cost directly against furnace replacement is worth the conversation.

My basement or crawl space always feels humid. Is that something HVAC can fix?

Often, yes, particularly in a river community like Valley Park. Persistent dampness usually means either the system is oversized and short-cycling, or the space needs a dedicated dehumidification solution as part of a broader indoor air quality plan.

Why does my AC run nonstop without actually cooling the house?

A few things can cause this: a clogged filter, low refrigerant, a frozen evaporator coil, a failing capacitor, a dirty outdoor condenser, or ductwork that is losing conditioned air before it reaches the rooms that need it. In Valley Park specifically, an oversized system that short-cycles instead of running full cycles is a common culprit, since it never runs long enough to actually pull humidity out of the air. A technician needs to check refrigerant levels and measure airflow before confirming the actual fix.

My furnace is running but only blows cold air. What's wrong?

This typically means the blower fan is working while the burners are not, which can happen because of a tripped limit switch, a faulty control board, an ignition failure, or a flame sensor that is too dirty to register properly. A dirty filter can also trigger this by causing the system to overheat and shut down the burners as a safety precaution while the fan keeps running. Because this involves gas and combustion components, call (636) 205-1631 rather than repeatedly resetting the system yourself.

Are heat pumps a good option for homes in Valley Park?

For many homes, yes. Heat pumps combine heating and cooling in a single system, and current models handle Missouri winters far better than older heat pump designs. Whether a heat pump alone is sufficient or whether you would benefit from a dual-fuel setup with backup furnace heat depends on your home's insulation and typical winter demand, which the in-home evaluation covers.

How often should I have my system serviced?

Twice a year covers most homes: once before cooling season, once before heating season. Given Valley Park's higher ambient humidity and the age of housing stock near the historic downtown, staying consistent with that schedule tends to catch developing problems before they turn into a breakdown. Documented HVAC maintenance also keeps most manufacturer warranties valid.

Is financing available?

Yes. Qualifying projects can be financed, and the in-home evaluation also covers rebates, applicable federal tax credits, and any current seasonal offers, so you have the full cost picture before deciding.

Get Straightforward HVAC Help in Valley Park

Whether your system needs a repair, a full replacement, or just a maintenance plan that keeps surprises away, Martin-Jetco Heating and Air Conditioning can help you figure out the right next step. Call (636) 205-1631 or schedule your evaluation online today.