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Craig Heating & Cooling

★ ★ ★ ★ ★ 4.6 (10 reviews)

Saint Louis, MO 63122

Craig Heating & Cooling, located in Kirkwood, Missouri, has proudly served the St. Louis area for over 60 years. Specializing in air conditioning, heating, and indoor air quality, we are committed to...

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Fresh Air Heating & Cooling - Heating & Cooling Services in Chesterfield, MO

Fresh Air Heating & Cooling

★ ★ ★ ★ ★ 4.8 (8 reviews)

Chesterfield, MO 63005

1 project

Fresh Air Heating & Cooling has delivered dependable HVAC services since 1987. Our NCI and NATE-certified technicians are licensed and OSHA trained, ensuring quality and trust. We offer a one-year war...

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The Unico System - Heating & Cooling Services in St Louis, MO

The Unico System

★ ★ ★ ★ ★ 4.6 (8 reviews)

St Louis, MO 63111

3 projects

The Unico System offers an innovative small-duct, high-velocity central heating and air conditioning solution designed for optimal comfort and energy efficiency. Our system is ideal for both residenti...

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Goldkamp Heating and Cooling - Heating & Cooling Services in Lake Saint Louis, MO

Goldkamp Heating And Cooling

★ ★ ★ ★ ★ 4.6 (8 reviews)

Lake Saint Louis, MO 63367

1 project

Goldkamp Heating and Cooling, located in Lake St. Louis, specializes in heating and air conditioning services. Our offerings include air conditioner maintenance, heat pump installation, and furnace re...

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Hoffmann Brothers - Heating & Cooling Services in Saint Louis, MO

Hoffmann Brothers

★ ★ ★ ★ ★ 4.7 (7 reviews)

Saint Louis, MO 63110

2 projects

Hoffmann Brothers provides expert heating, air conditioning, plumbing, and electrical services for both residential and commercial clients. With over 40 years of experience in the St. Louis area, we p...

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Solid Rock Homes

★ ★ ★ ★ ★ 4.7 (7 reviews)

Wentzville, MO

Solid Rock Homes, located in Wentzville, MO, specializes in providing high-quality residential construction services. Our commitment to excellence and customer satisfaction drives us to deliver innova...

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Harster Heating & Air Conditioning Co

★ ★ ★ ★ ★ 4.7 (7 reviews)

Saint Louis, MO 63123

Harster Heating & Air Conditioning Co. specializes in comprehensive HVAC solutions, partnering with leading manufacturers to ensure quality service. With over 50 years of experience, our commitment to...

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Rickcrawfordservices

★ ★ ★ ★ ★ 4.6 (7 reviews)

Steelville, MO 65565

Rick Crawford Services is a professional service provider dedicated to delivering exceptional solutions tailored to meet the unique needs of our clients. Located in the United States, we pride ourselv...

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Woodham's Quality Air

★ ★ ★ ★ ★ 4.7 (6 reviews)

Wright City, MO 63390

Woodham's Quality Air specializes in providing top-notch HVAC services, ensuring optimal performance of your heating and cooling systems. As your local HVAC contractors, we offer high-quality installa...

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First Choice Service

★ ★ ★ ★ ★ 4.7 (6 reviews)

St Louis, MO 63219

First Choice Service, based in St. Louis, MO, is dedicated to delivering exceptional service to homeowners and businesses in the area and surrounding counties. As a family-owned company, we prioritize...

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Verified Reviews for Heating & Cooling Services pros in Union, MO

*The Growcycle rating for Heating & Cooling Services companies in Union, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating & Cooling Services needs.

Last update on July 11, 2026

Raymond Gomez

Reviewed in January 2026

I had a great experience with Crystal Heating & Cooling. Their team was prompt, friendly, and solved my AC issue quickly. Will definitely use them for future HVAC needs!

Crystal Heating & Cooling Request a quote

Michael Johnson

Reviewed in December 2025

I had a great experience with my recent heating installation. The team was punctual, professional, and very knowledgeable. Highly recommend their service!

Kirkwood Heating & Air Conditioning Request a quote

Logan Gutierrez

Reviewed in September 2025

Design Aire Heating & Cooling provided exceptional service when I needed my furnace repaired. The technicians were prompt and professional. Highly recommend for any heating issues!

Design Aire HEATING & COOLING Request a quote

Emily Thompson

Reviewed in September 2025

I had an excellent experience with their service. They arrived on time, fixed the issue quickly, and left everything clean. Highly recommend them for heating and cooling needs!

Rodriguez Heating & Cooling LLC Request a quote

James Carter

Reviewed in January 2026

I had a great experience with the team! They were professional, efficient, and provided excellent service when fixing my heating system. Highly recommend!

Hb Mechanical Contractors Request a quote

Cost Guide

How much does Heating & Cooling Services cost in Union, MO?

Typical heating & cooling services projects in Union, MO range from $100 to $2,500, with most homeowners paying around $400.

$100

$400 Typical cost in Union, MO

$2,500

LOWHIGH

Prices vary by project scope, materials, and local labor rates.

Per Unit $200–$1,500

Per Hour $50–$100

Per System $300–$1,200

Last updated: April 2026

Heating and cooling services in Union, MO typically cost between $100 and $2,500, with an average cost around $400. Factors that influence these costs include the type of system, whether it's a repair or installation, and the specific model of equipment. Seasonal demand can also affect pricing.

Local HVAC contractors in Union generally charge between $50 and $100 per hour for labor. Most HVAC installations require permits from the Union Building Department, with costs around $150 and processing times of about one week. Ensure you check local regulations for specific requirements.

When comparing heating and cooling service quotes in Union, ensure you consider the energy efficiency and warranty options of the systems proposed.

What affects the cost in Union, MO?

Union Labor Rates

Licensed HVAC contractors in Union charge $50–$100/hr based on their expertise and the complexity of the job. Rates can vary depending on the season and demand for services.

Permits & Inspections

Most HVAC installations in Union require permits from the Union Building Department. Permit fees are generally around $150, and approval can take up to one week.

Material Selection & Quality

Material choice can swing HVAC projects by 10–20%. Higher quality equipment may have a higher upfront cost but can lead to energy savings in the long run.

Seasonal Demand & Scheduling

Summer and winter are peak seasons for HVAC services in Union. Scheduling in the shoulder seasons may provide better pricing and availability.

Frequently Asked Questions About Heating & Cooling Services in Union, MO

How can I improve my home's energy efficiency with my HVAC system?

Improving your home's energy efficiency in Union with your HVAC system involves several strategies. Firstly, ensure that your system is properly maintained; regular servicing can help it run more efficiently. Consider upgrading to a programmable thermostat, which allows you to set temperatures according to your schedule, reducing energy use when you're not home. Sealing any leaks in ductwork and ensuring your insulation is adequate can also help your system perform better. Additionally, using ceiling fans to help circulate air can reduce the load on your HVAC system. Lastly, if your system is older, consider investing in a newer, energy-efficient model that may qualify for rebates or tax incentives.

How often should I have my HVAC system serviced?

In Union, it's recommended to have your HVAC system serviced at least once a year to ensure optimal performance and efficiency. Regular maintenance can help prevent unexpected breakdowns and extend the lifespan of your system. For heating systems, it's best to schedule maintenance in the fall before cold weather sets in. For cooling systems, spring is the ideal time for a thorough check-up. During a service visit, a technician will clean the components, check for any issues, and ensure that the system is running efficiently. Keeping up with regular maintenance can save you money on energy bills and improve indoor comfort.

What are the signs that my HVAC system needs repair?

Homeowners in Union should be aware of several signs that their HVAC system may need repair. If you notice inconsistent temperatures between rooms or strange noises such as banging or clanking coming from the unit, these can indicate underlying issues. Additionally, if your energy bills are rising unexpectedly despite consistent usage, it could be a sign of inefficiency. Frequent cycling on and off or the system running longer than usual to achieve the desired temperature are also red flags. If you experience any of these symptoms, it's important to contact a professional HVAC technician for an assessment to prevent further damage and ensure your system operates efficiently.

What should I do if my HVAC system is not working at all?

If your HVAC system in Union is not working at all, there are a few troubleshooting steps you can take before calling for professional help. First, check your thermostat to ensure it is set correctly and has fresh batteries. Next, ensure that the circuit breaker for your HVAC system is not tripped. If the system is still unresponsive, check the air filters; a clogged filter can restrict airflow and cause the system to shut down. If you've tried these steps and the system is still not operational, it's best to contact a qualified HVAC technician for a comprehensive diagnosis and repair. Prompt attention can prevent further damage and restore comfort to your home.

What types of HVAC systems are available for my home?

In Union, homeowners have several options when it comes to HVAC systems. The most common type is a central air conditioning and heating system, which uses ducts to distribute conditioned air throughout the home. There are also ductless mini-split systems that provide heating and cooling without ductwork, making them ideal for homes without existing ducts. Heat pumps are another option, which can both heat and cool your home efficiently. For those looking for eco-friendly options, geothermal systems use the earth's constant temperature to regulate indoor climate. When selecting an HVAC system, consider factors such as your home size, budget, and energy efficiency goals.

Common Heating & Cooling Services services and their costs

Typical pricing in Union, MO by service type.

HVAC Installation

New System Installations

Method	Cost Range
Central Air Conditioning Installing a central AC system for whole-house cooling.	$3,000–$7,000
Furnace Installation Installing a new furnace for heating.	$2,500–$5,000
Heat Pump Installation Installing an energy-efficient heat pump system.	$4,000–$8,000
Ductless Mini-Split Installing ductless systems for targeted heating and cooling.	$2,000–$5,000

HVAC Repair

Fixing Existing Systems

Method	Cost Range
Furnace Repair Repairing issues with your heating system.	$100–$500
AC Repair Fixing malfunctioning air conditioning units.	$100–$400
Thermostat Replacement Replacing old or faulty thermostats.	$100–$300
Duct Cleaning Cleaning and servicing HVAC ducts.	$200–$600

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Price ranges are estimates compiled from publicly available data and may vary with project scope.

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Verified Reviews for Heating & Cooling Services pros in Union, MO

Raymond Gomez

Michael Johnson

Logan Gutierrez

Emily Thompson

James Carter

How much does Heating & Cooling Services cost in Union, MO?

What affects the cost in Union, MO?

Frequently Asked Questions About Heating & Cooling Services in Union, MO

Common Heating & Cooling Services services and their costs

HVAC Installation

HVAC Repair

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