Top 10 central air conditioning installation services in Union, MO

Porch Pro Headshot AAA Plumbing
Central Air Conditioning Installation
Serves Union, Missouri
(1,215)
AAA Home Services has been family owned and operated for over 44 years, and AAA has continued to serve St. Louis, Jefferson, St. Charles, Warrenton and Lincoln counties with its award-winning staff. With reputable standings on Angie's List, BBB, the Chamber of Commerce and local media, we focus on g...Read more about AAA Plumbing
AAA Home Services has been family owned and operated for over 44 years, and AAA has continued to serve St. Louis, Jefferson, St. Charles, Warrenton and Lincoln counties with its award-winning staff. With reputable standings on Angie's List, BBB, the Chamber of Commerce and local media, we focus on g...Read more about AAA Plumbing
Porch Pro Headshot Perfect Air
Central Air Conditioning Installation
Serves Union, Missouri
(1,090)
Perfect Air Heating and Cooling knows the dynamics of air conditioning and heating for residential and commercial and is dedicated to providing our customers with quality service at competitive prices.
Perfect Air Heating and Cooling knows the dynamics of air conditioning and heating for residential and commercial and is dedicated to providing our customers with quality service at competitive prices.
Porch Pro Headshot Aire Serv of Jefferson City
Central Air Conditioning Installation
Serves Union, Missouri
(571)
"Marshall Rhea was here yesterday 7-10-2018, and serviced our split level & PTAC systems. Everything is now running in top order. He was very good at cleaning & servicing. There were not messes for us to clean afterward."
"Marshall Rhea was here yesterday 7-10-2018, and serviced our split level & PTAC systems. Everything is now running in top order. He was very good at cleaning & servicing. There were not messes for us to clean afterward."
Porch Pro Headshot NPM HEATING & COOLING LLC
Central Air Conditioning Installation
Serves Union, Missouri
If you are looking for heating and air conditioning services in the St. Louis or St. Charles area, you've come to the right place! NPM Heating and Cooling, works all over St Louis County & St. Charles County. Providing services such as central air conditioning repairs, floor heater replacements, air...Read more about NPM HEATING & COOLING LLC
If you are looking for heating and air conditioning services in the St. Louis or St. Charles area, you've come to the right place! NPM Heating and Cooling, works all over St Louis County & St. Charles County. Providing services such as central air conditioning repairs, floor heater replacements, air...Read more about NPM HEATING & COOLING LLC
Porch Pro Headshot Hands on
Central Air Conditioning Installation
Serves Union, Missouri
Porch Pro Headshot Future Aire
Central Air Conditioning Installation
Serves Union, Missouri
(134)
Future Aire was founded in 1984, known for being the Home Town Heating & Cooling Specialist. Family owned and operated, with the same owner and name for over 30 years. Performing over 80000 service calls with an A+ BBB Rating (Better Business Bureau).
Future Aire was founded in 1984, known for being the Home Town Heating & Cooling Specialist. Family owned and operated, with the same owner and name for over 30 years. Performing over 80000 service calls with an A+ BBB Rating (Better Business Bureau).
Porch Pro Headshot Reliable Heating & Cooling
Central Air Conditioning Installation
Serves Union, Missouri
(100)
"Reliable is, as promised, reliable. They show up promptly, do the work you need give a fair price, and don't try to sell you services or goods you do not need. I would call them first for every HVAC or plumbing need."
"Reliable is, as promised, reliable. They show up promptly, do the work you need give a fair price, and don't try to sell you services or goods you do not need. I would call them first for every HVAC or plumbing need."
Porch Pro Headshot West County Heating & Cooling Inc
Central Air Conditioning Installation
Serves Union, Missouri
(91)
West County Htg & Clg is a family owned and locally operated heating and air conditioning company serving the area since 1990. Technicians are factory trained and licensed. Services offered is service of any brand equipment, installation of new heating and cooling systems as well as geothermal syst...Read more about West County Heating & Cooling Inc
West County Htg & Clg is a family owned and locally operated heating and air conditioning company serving the area since 1990. Technicians are factory trained and licensed. Services offered is service of any brand equipment, installation of new heating and cooling systems as well as geothermal syst...Read more about West County Heating & Cooling Inc
Porch Pro Headshot Comfort Zone Heating and Cooling
Central Air Conditioning Installation
Serves Union, Missouri
(13)
We are your local Heating and Cooling company, with small town values. We only send out knowledgeable and polite service techs. We have been in business for 11 years, serving the local Bourbon, Sullivan, St. Clair, Cuba area and beyond.
We are your local Heating and Cooling company, with small town values. We only send out knowledgeable and polite service techs. We have been in business for 11 years, serving the local Bourbon, Sullivan, St. Clair, Cuba area and beyond.
Porch Pro Headshot Siefert Mechanical
Central Air Conditioning Installation
Serves Union, Missouri
(57)
Siefert Mechanical is a professional HVAC company with years of experience in installation and repairs of heating and cooling systems. Let us show you how our company can help you save money while keeping complete comfort in your home today!
Siefert Mechanical is a professional HVAC company with years of experience in installation and repairs of heating and cooling systems. Let us show you how our company can help you save money while keeping complete comfort in your home today!

Costs to install a split system air conditioner

$2758 - $3273
Union, MO average
Get costs in your area
While $2758 - $3273 represents average costs for Union, use the cost guide to determine prices near you.
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Frequently asked questions about air conditioning installation companies

In order to keep your home comfortable all year long, it pays to find a reliable air conditioning contractor. Do your research up front in order to get the best HVAC pro to handle your air conditioning installation or repair. Any potential air conditioning pro should provide references for recent and previous work. Pros who haven’t done any recent jobs may not have access to the latest technology and systems. Contractors should provide proof of liability insurance to protect your property, as well as workmen’s compensation insurance. Find out what certifications and licenses are required in your state and get proof that your contractor has them.

If your potential AC contractor checks out, have them come to your home to do a comprehensive on-site evaluation. Bigger isn’t necessarily better when it comes to AC systems. The contractor should recommend installing an AC system that suits the amount of space will service. Expect a detailed written estimate up front. Discuss payment terms, and know how much you’re paying for labor and materials. If you do your homework, you should enjoy a stress-free air conditioning installation, maintenance, or repair.

It may be tempting to try to install an air conditioner on your own. However, AC systems are highly complex. Without proper HVAC training, it would be easy to make a technical error that could be costly down the road. Tiny issues like tight seals and wire placement can make a huge difference if improperly handled, so hiring a properly licensed and insured air conditioning contractor gives you peace of mind. A qualified contractor will be able to offer suggestions about which types and sizes of AC units will be best for your home and needs. They’ll do a detailed on-site inspection to determine which AC system will keep your home comfortable all year round.

Once a pro has successfully installed your new air conditioner, they may offer ongoing maintenance and support. An AC expert can also offer maintenance tips to keep your system humming along smoothly. Even better, should you notice that your unit isn’t operating at its best, your AC pro can make a house call to perform a repair. It’s wise to hire a licensed and insured professional to bring expertise and the right tools for a safe and effective air conditioner installation.

If an air conditioner seems to be running smoothly, it may be tempting to take it for granted, thinking it doesn’t need regular maintenance. In fact, air conditioning experts recommend that homeowners have their AC systems serviced at least once a year. This will ensure maximum efficiency for the warmer months. Air conditioning units build up dirt and dust in places such as the air filters and condensing coils. This build up can reduce the AC unit’s efficiency.

These yearly maintenance visits will carry a fee, but it’s well worth the charge to keep your AC unit operating at its best. As part of a yearly AC service visit, your contractor will check things like the motor, blower, drain line, and connections. Along with the yearly maintenance visit, an air conditioning contractor may make recommendations for a less involved maintenance routine throughout the year. For example, they may recommend that you replace the AC air filter every 30 days. Regardless, regular servicing will keep your AC unit running at its best and help prevent the need for costly repairs in the future.

Homeowners often wonder whether they should have their AC unit repaired, or if it makes more sense to replace the air conditioning system altogether. Whether to repair or replace an air conditioner depends on a number of factors — and a licensed and trained HVAC technician may offer advice on this issue. Start by gathering some facts and determine your air conditioner’s age first. Generally, if a unit is over 10 years old, it’s time for a replacement. This is because older AC units tend to run less efficiently, often having a lower Seasonal Energy Efficiency Ratio (SEER) than newer models. A handy equation to keep in mind is that if the age of the unit multiplied by the cost of a potential repair is over $5000, it’s best to install a replacement.

Frequent repairs are a sign an AC unit is ready to be replaced. If your unit isn’t cooling your home efficiently causing your energy bills to soar, consider replacing the air conditioner. Newer units offer updated technology and features along with higher energy efficiency and may be worth the investment. Be sure to consult a qualified professional to discuss your air conditioner needs.

The cost to replace and install an air conditioner varies according to a number of factors. A qualified air conditioning contractor can come to your home for an on-site inspection, and they should be able to recommend the best AC system for your needs. The cost of the replacement air conditioner will vary according to the square footage it needs to cool, and the size of the air conditioner will make a difference in its price. If you do your research, you’ll learn that various brands of air conditioners offer different prices and deals depending on the season. The unit’s energy efficiency rating will also impact its cost. More efficient systems carry higher price tags, but they’ll likely save you money in the long run.

Along with the price of the replacement air conditioner, you’ll need to factor in the cost of labor. Labor and transportation fees will vary depending on where you live, along with the availability and demand for qualified AC pros in your area. Furthermore, pros my charge more for the services of HVAC technicians with higher levels of expertise and experience. Do your research to get the best air conditioner at a cost that works for you now, as well as in the long run. Cheaper doesn’t necessarily mean better in terms of energy efficiency and cost savings in the future. Consult the free Porch project cost guides to get an idea about how much an air conditioner installation should cost in your area.

Even the best air conditioning units won’t last forever. Generally, if an AC unit is well-maintained and regularly serviced, it should keep working for about 10 years. If 10 years have passed since you had your air conditioner installed, it may start to show signs of failure. For example, it might be working less efficiently, which will cause energy bills to rise. If you notice that your home is accumulating more dust than usual, it’s also wise to take a look at the age of the air conditioner. Keep in mind that an AC unit that fails to keep a home cool enough or is in need of constant repair may be ready for replacement even before it’s 10 years old.

Call in an HVAC expert to help determine whether it’s time to replace your air conditioning unit. They’ll let you know whether your system could benefit from a simple repair, or whether it’s clearly time for a system replacement. Newer air conditioning units tend to be more highly efficient than older ones. Newer systems offer helpful technical advancements, as well. Although it may be daunting to look at the cost of replacing an air conditioner, the investment may pay off over time. Consult an AC pro near you to help you make the decision.

Recent reviews for Union central air conditioning installation services

11489

Their name says it all! Very reliable, always do a great job, and show up when they say the will. Highly recommend!

- Laura Michel
11601

Highly recommend; not only were they "reliable" & courteous, they also cleaned up! I will have them for all my heating and cooling needs.

- Anna Brandt
12538

Reliable is just that, reliable! Fair pricing and sensible repair/replace recommendations. Dependable after hours service. Clean installs. As an apartment manager, I've had PLENTY of experience with this company and many others in the St. Louis area. ...

- Jesse York
11490

Reliable Heating and Cooling is THE BEST! Their customer service is fantastic and they are so knowledgeable and HONEST with their estimates and service calls. I ONLY call Reliable.

- Allison Dolak
11672

There the best and very honest!

- Ralph Frank
11496

thank you for the honest and fast service... I would highly recommend

- justin hurayt
26104

Wolfmeier heating/ac are really the best people. They keep the it appointments on time and give a good price for the job. Everyone is very friendly and very good to deal with.

- Judy Steyh
19475

Future Aire did an excellent job installing my Carrier Green Speed heat pump and furnace. The installers were prompt, courteous, professional, and did a good job explaining the HVAC system to us. The proposal, written by the owner John VenJohn, provided...

- Fran Komar
24086

We purchased a new furnace and AC in June of 2015. The level of service was excellent start to finish. John provided great communication, didn't overprice, and delivered everything as promised.

- Mike Lewis
140037

We have recently had Lk heating out due to a warranty company, it took them three weeks to come to our hom and stated it was our compressor, they then left our house in absolute disarray and could not get our air working. After having another company come...

- Stephanie Michel
40352

Larry went above and beyond my expectations. I'm pleased I have found an HVAC contractor I can trust with many years of experience. I would recommend LK Mechanical!

- Jamie Lynn
39488

Larry has taken care of every problem I have had at my home and my parents home. He is fast reliable and does quality work. Explains everything in detail. Would recomend him to anyone.

- Jacob Coach

All Air Conditioning Installation Companies in Union, MO

Porch Pro Headshot SMART St. Louis
Central Air Conditioning Installation
Serves Union, Missouri
(15)
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
SMART is a network of residential air conditioning & heating contractors that provide superior service to the St. Louis metro area. SMART Contractors provide maintenance, repair, replacement and design of residential HVAC units. Our focus is to help consumers reduce their overall heating and coolin...Read more about SMART St. Louis
Porch Pro Headshot Under Construction
Central Air Conditioning Installation
Serves Union, Missouri
(22)
Under Construction 🚧 Property management Painting Demo Decks Vinyl / Ceramic tile Small / Large his welcome
Under Construction 🚧 Property management Painting Demo Decks Vinyl / Ceramic tile Small / Large his welcome
Porch Pro Headshot Wolfmeier Heating and Air Conditioning, INC
Central Air Conditioning Installation
Serves Union, Missouri
(27)
Family owned and operated since 1978. Install New Residential systems and Replacement of old systems, furnace, air conditioners, humidifiers, air cleaners and duct work. We custom make all of our own duct work. You can order specialized pieces of duct work. Licensed in St. Louis County and Jeffers...Read more about Wolfmeier Heating and Air Conditioning, INC
Family owned and operated since 1978. Install New Residential systems and Replacement of old systems, furnace, air conditioners, humidifiers, air cleaners and duct work. We custom make all of our own duct work. You can order specialized pieces of duct work. Licensed in St. Louis County and Jeffers...Read more about Wolfmeier Heating and Air Conditioning, INC
Porch Pro Headshot Alpha Customs LLC
Central Air Conditioning Installation
Serves Union, Missouri
Decks, Doors, Glass, Windows, Patios, and more. We have what it takes to get the job done and get it finished quickly!
Decks, Doors, Glass, Windows, Patios, and more. We have what it takes to get the job done and get it finished quickly!
Porch Pro Headshot L K Mechanical HEATING AND AIR CONDITIONING
Central Air Conditioning Installation
Serves Union, Missouri
(5)
"LK Mechanical services the hvac system at my home and business properties. They are prompt, courteous and honest. Larry does a wonderful job explaining any issues and how to remedy them. I would highly recommend them. "
"LK Mechanical services the hvac system at my home and business properties. They are prompt, courteous and honest. Larry does a wonderful job explaining any issues and how to remedy them. I would highly recommend them. "
Porch Pro Headshot Midwestern Construction Company, Inc.
Central Air Conditioning Installation
Serves Union, Missouri
Where Customer Service and Quality Workmanship still matter Save Time And Money: We offer a convenience and cost savings few remodeling contractors can match. For example, we buy our cabinetry straight from the manufacturer so there is no middle man - and a cost savings for you. Our team inclu...Read more about Midwestern Construction Company, Inc.
Where Customer Service and Quality Workmanship still matter Save Time And Money: We offer a convenience and cost savings few remodeling contractors can match. For example, we buy our cabinetry straight from the manufacturer so there is no middle man - and a cost savings for you. Our team inclu...Read more about Midwestern Construction Company, Inc.
Porch Pro Headshot Juergens Heating and Cooling LLC
Central Air Conditioning Installation
Serves Union, Missouri
Juergens Heating & Cooling is a full service heating & cooling contractor offering a complete line of top grade HVAC equipment. Whether you're in need of a High Efficiency unit or building a new home, we at Juergens Heating & Cooling are here to assist our customers from start to finish. We at Ju...Read more about Juergens Heating and Cooling LLC
Juergens Heating & Cooling is a full service heating & cooling contractor offering a complete line of top grade HVAC equipment. Whether you're in need of a High Efficiency unit or building a new home, we at Juergens Heating & Cooling are here to assist our customers from start to finish. We at Ju...Read more about Juergens Heating and Cooling LLC
Porch Pro Headshot Astro Heating & Cooling
Central Air Conditioning Installation
Serves Union, Missouri
(32)
Porch Pro Headshot FRUEH
Central Air Conditioning Installation
Serves Union, Missouri
(12)
Data Center CRAC Backflow Testing Plumbing Electrical HVAC
Data Center CRAC Backflow Testing Plumbing Electrical HVAC
Porch Pro Headshot Complete Caire Heating And Cooling
Central Air Conditioning Installation
Serves Union, Missouri
(18)
Porch Pro Headshot Energy Stars of St. Louis
Central Air Conditioning Installation
Serves Union, Missouri
Energy Stars of St Louis is a breath of fresh air in the HVAC industry. We provide exceptional, honest service at a reasonable rate. We pride ourselves on providing the highest value to our customers and stand by everything we install, from the smallest part all the way up to a complete system. B...Read more about Energy Stars of St. Louis
Energy Stars of St Louis is a breath of fresh air in the HVAC industry. We provide exceptional, honest service at a reasonable rate. We pride ourselves on providing the highest value to our customers and stand by everything we install, from the smallest part all the way up to a complete system. B...Read more about Energy Stars of St. Louis
Porch Pro Headshot EMS Hvac
Central Air Conditioning Installation
Serves Union, Missouri
Porch Pro Headshot Dawson Dodd
Central Air Conditioning Installation
Serves Union, Missouri
Porch Pro Headshot Father and Son HVAC
Central Air Conditioning Installation
Serves Union, Missouri