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Heat pump installers and replacers in Florissant

Spencer's Heating and Cooling, LLC
5915 Maple Avenue, Unit A
New on HomeAdvisorNew on Angi
Approved Pro
Spencer's Heating and Cooling, LLC
5915 Maple Avenue, Unit A
New on AngiNew on HomeAdvisor
Approved Pro
2 years of experience
Free onsite estimate

Spencer's Heating and Cooling, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Spencer's Heating and Cooling, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.


Avatar for Thomas Hoffmann Air Conditioning & Heating
Thomas Hoffmann Air Conditioning & Heating
1623 Wendover Ln
4.73(
144
)
Approved Pro
Thomas Hoffmann Air Conditioning & Heating
1623 Wendover Ln
4.73(
144
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
11 local quotes requested

At Thomas Hoffmann Air Conditioning and Heating, it is our privilege to partner with you to provide quality service each time you call. We aim to exceed your expectations through our responsiveness, integrity, and expertise. Our team of experienced technicians is dedicated to providing top-quality heating, cooling, and ventilation services for homes and businesses throughout the area. From routine maintenance and repairs to complete system installations, we have the skills and knowledge to keep your indoor environment comfortable all year round.

"They came out same day diagnosed the problem and had it fixed the next day! Very professional!"

Debbie B on June 2025

At Thomas Hoffmann Air Conditioning and Heating, it is our privilege to partner with you to provide quality service each time you call. We aim to exceed your expectations through our responsiveness, integrity, and expertise. Our team of experienced technicians is dedicated to providing top-quality heating, cooling, and ventilation services for homes and businesses throughout the area. From routine maintenance and repairs to complete system installations, we have the skills and knowledge to keep your indoor environment comfortable all year round.

"They came out same day diagnosed the problem and had it fixed the next day! Very professional!"

Debbie B on June 2025


Avatar for Chowning Heating & Cooling
Chowning Heating & Cooling
1268 S Callahan Rd
4.58(
25
)
Approved Pro
Chowning Heating & Cooling
1268 S Callahan Rd
4.58(
25
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
27 years of experience

Chowning Heating & Cooling, Inc., is happy to help you with your heating and cooling needs. We provide service and repair, equipment replacement and new construction. We want to offer the customer superior service and quality. We take pride in what we do. We depend on customer satisfaction. Word of mouth is our number 1 source of new customers. Our prices are very competitive. Our business plan is give everyone a fair price so that if they ever need service again they will call us back. We are family owned and operated. We have a A+ rating with the BBB. Let us take care of your heating and cooling needs and I guarantee you will be 100% satisfied. Get the Chowning Family advantage, Better Service at a Better Price.

"Very professional"

David T on July 2022

Chowning Heating & Cooling, Inc., is happy to help you with your heating and cooling needs. We provide service and repair, equipment replacement and new construction. We want to offer the customer superior service and quality. We take pride in what we do. We depend on customer satisfaction. Word of mouth is our number 1 source of new customers. Our prices are very competitive. Our business plan is give everyone a fair price so that if they ever need service again they will call us back. We are family owned and operated. We have a A+ rating with the BBB. Let us take care of your heating and cooling needs and I guarantee you will be 100% satisfied. Get the Chowning Family advantage, Better Service at a Better Price.

"Very professional"

David T on July 2022


Avatar for Anton's Plumbing, Heating/Cooling Energy Experts
Anton's Plumbing, Heating/Cooling Energy Experts
950 Bolger Court
4.88(
68
)
Approved Pro
Anton's Plumbing, Heating/Cooling Energy Experts
950 Bolger Court
4.88(
68
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
25 years of experience

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Both the estimator Kevin the two installers who visited my home were very professional and kind. They answered all my questions and provided a very reasonable price for the installation of the attic insulation. I feel I was very informed on the federal rebate that was available for this installation, as well as on the recommendations of quantity of insulation I needed per residential standards and codes. I would recommend Anton and will use them in the future for my HVAC needs!"

Haley D on November 2024

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Both the estimator Kevin the two installers who visited my home were very professional and kind. They answered all my questions and provided a very reasonable price for the installation of the attic insulation. I feel I was very informed on the federal rebate that was available for this installation, as well as on the recommendations of quantity of insulation I needed per residential standards and codes. I would recommend Anton and will use them in the future for my HVAC needs!"

Haley D on November 2024


Avatar for Paschal Air Plumbing & Electric
Paschal Air Plumbing & Electric
4902 Frederick Avenue
3.95(
11
)
Approved Pro
Paschal Air Plumbing & Electric
4902 Frederick Avenue
3.95(
11
)
Approved Pro
Customers say: Quality work
118 local quotes requested
60 years of experience

At Paschal there is a single statement that we live by every day. “Professional People. Professional Service.” Being a professional is more than just earning a living through an occupation. Professionalism involves consistently achieving high standards, both visibly and “behind the scenes” – whatever your role or profession. Professionalism is a powerful quality. It allows you to fulfill your role to the best of your ability. It helps you to impress and inspire others. And it gives you a deep sense of satisfaction and self-worth. What’s more, professionalism is something that everyone can aspire to from day one of their career. A Paschal Professional gives 150% every day. They go above and beyond what needs to be done. They have pride & satisfaction in every project they tackle.

"Casey arrived on time and had a very nice personality. My A C was cycling off and on too frequently and the blower was too forceful. He was able to adjust the settings of both of the problems I had. I was very pleased with the service."

Donna K on June 2025

At Paschal there is a single statement that we live by every day. “Professional People. Professional Service.” Being a professional is more than just earning a living through an occupation. Professionalism involves consistently achieving high standards, both visibly and “behind the scenes” – whatever your role or profession. Professionalism is a powerful quality. It allows you to fulfill your role to the best of your ability. It helps you to impress and inspire others. And it gives you a deep sense of satisfaction and self-worth. What’s more, professionalism is something that everyone can aspire to from day one of their career. A Paschal Professional gives 150% every day. They go above and beyond what needs to be done. They have pride & satisfaction in every project they tackle.

"Casey arrived on time and had a very nice personality. My A C was cycling off and on too frequently and the blower was too forceful. He was able to adjust the settings of both of the problems I had. I was very pleased with the service."

Donna K on June 2025


Avatar for Hoffmann Brothers
Hoffmann Brothers
1025 Hanley Industrial Ct.
4.72(
38
)
Approved Pro
Hoffmann Brothers
1025 Hanley Industrial Ct.
4.72(
38
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
111 local quotes requested

The Heating and Air Conditioning Contractors at Hoffmann Brothers have provided the greater St. Louis area with reliable and professional services for more than 40 years. When you are in need of heating, ventilation, and air conditioning (HVAC) contractors for any of your heating or air conditioning repair or replacement service needs, call upon us at (314) 664-3011 or contact our team online.

"Good"

Andrew W on August 2024

The Heating and Air Conditioning Contractors at Hoffmann Brothers have provided the greater St. Louis area with reliable and professional services for more than 40 years. When you are in need of heating, ventilation, and air conditioning (HVAC) contractors for any of your heating or air conditioning repair or replacement service needs, call upon us at (314) 664-3011 or contact our team online.

"Good"

Andrew W on August 2024


Mr. Handyman of St Charles and Chesterfield Valley
4051 North Saint Peters Parkway
4.68(
19
)
Approved Pro
Mr. Handyman of St Charles and Chesterfield Valley
4051 North Saint Peters Parkway
4.68(
19
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
689 local quotes requested

With everything else on your to-do list, even thinking about tackling home or business repairs is probably the last thing you want to do. An ever-growing list of tasks doesn’t have to derail or disrupt your day when you have our professional handymen ready to make short work of all your home and business repair tasks! The team at Mr. Handyman of St. Charles Co. and Chesterfield Valley is up for the challenge of completing your most extensive home improvement duties or the smallest home repair jobs. We pride ourselves on providing the utmost in customer service, offering our Done Right Promise. This means we stand behind our workmanship and ensure that if you’re unhappy with your service, we will make it right. The care we show our customers and the dedication to our work are just some of the reasons our St. Charles County and Chesterfield Valley customers choose Mr. Handyman over anyone else.

"Really well! Cleaned up afterwards."

Nancy Altizer C on June 2025

With everything else on your to-do list, even thinking about tackling home or business repairs is probably the last thing you want to do. An ever-growing list of tasks doesn’t have to derail or disrupt your day when you have our professional handymen ready to make short work of all your home and business repair tasks! The team at Mr. Handyman of St. Charles Co. and Chesterfield Valley is up for the challenge of completing your most extensive home improvement duties or the smallest home repair jobs. We pride ourselves on providing the utmost in customer service, offering our Done Right Promise. This means we stand behind our workmanship and ensure that if you’re unhappy with your service, we will make it right. The care we show our customers and the dedication to our work are just some of the reasons our St. Charles County and Chesterfield Valley customers choose Mr. Handyman over anyone else.

"Really well! Cleaned up afterwards."

Nancy Altizer C on June 2025


Avatar for Fresh Air Heating & Cooling
Fresh Air Heating & Cooling
612 Spirit Valley East Dr
4.77(
270
)
Approved Pro
Fresh Air Heating & Cooling
612 Spirit Valley East Dr
4.77(
270
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
321 local quotes requested

Fresh Air has been family owned and operated since 1987. Family members Patrick, Tim, Katie and Kevin work together to maintain a culture of excellent service. Fresh Air employs 24 people equally dedicated to constant improvement and a consistent delivery of services. A happy customer is priority #1. Choose Fresh Air and experience the exceptional service you deserve. Fresh Air is a 10-time Super Service Award recipient!! (2009-2021). Additional contact name - Katie Sinn. Additional e-mail - kesinn@iNeedFreshAir.com

"Great customer service when I called for service. Expert technician that diagnosed the problem and quickly repaired my AC."

Tim R on April 2024

Fresh Air has been family owned and operated since 1987. Family members Patrick, Tim, Katie and Kevin work together to maintain a culture of excellent service. Fresh Air employs 24 people equally dedicated to constant improvement and a consistent delivery of services. A happy customer is priority #1. Choose Fresh Air and experience the exceptional service you deserve. Fresh Air is a 10-time Super Service Award recipient!! (2009-2021). Additional contact name - Katie Sinn. Additional e-mail - kesinn@iNeedFreshAir.com

"Great customer service when I called for service. Expert technician that diagnosed the problem and quickly repaired my AC."

Tim R on April 2024


Avatar for Dunn Plumbing, Heating and Air Conditioning / Dunn One Hour Heating and Air Conditioning
Dunn Plumbing, Heating and Air Conditioning / Dunn One Hour Heating and Air Conditioning
6068 BAUMGARTNER INDUSTRIAL DR
4.71(
256
)
Approved Pro
Dunn Plumbing, Heating and Air Conditioning / Dunn One Hour Heating and Air Conditioning
6068 BAUMGARTNER INDUSTRIAL DR
4.71(
256
)
Approved Pro
Customers say: Super punctual
1967 local quotes requested
22 years of experience

Now offering one hour service for heating and air conditioning service. We are factory authorized to service all major brands and we offer all the top products in the industry. Year to year we win numerous awards for customer service and technical skill. Our team is dedicated to providing you with the attention to detail and customer service that can create a whole new level of comfort and energy savings. Led by owner Brett Nejmanowski, our company provides expert sales, service and installation. We have a team of technicians that are fully qualified to help you select the comfort system that best fits your home and your budget. We serve the greater St Louis area, and are a no-nonsense, everything-on-the -table kind of heating and cooling company. Our written 100% satisfaction guarantee is behind all the work we do – if you’re not happy with our heating and cooling services for any reason, we’ll make it right or give your money back, no questions asked! No matter if it is a furnace or AC repair, furnace and AC installation, heat pump installation, or anything heating and air conditioning-related, you will have our guarantee. Along with the services we provide, we’re also passionate about our duty to protect the environment and our social responsibility to the community. In our daily practices, we utilize earth-friendly products and methods to ensure clean outdoor and safe indoor environments for the people we serve. We regularly give back to the community through volunteer work and financial donations. Among the charitable organizations we support are Safe Kids USA, National Multiple Sclerosis Society, Autism Speaks and the Sheriffs’ Association. Financing options available. Numerous rebate programs available. Government subsidized programs available to qualifying homes. Additional phone number (618) 717-0707 Also servicing clients from both 14248 F Manchester Rd, Ste. 190, Manchester MO, 63011 & 110 West Main St., Ste. A, Belleville IL, 62220!

"Very professional and thorough"

Carla F on May 2025

Now offering one hour service for heating and air conditioning service. We are factory authorized to service all major brands and we offer all the top products in the industry. Year to year we win numerous awards for customer service and technical skill. Our team is dedicated to providing you with the attention to detail and customer service that can create a whole new level of comfort and energy savings. Led by owner Brett Nejmanowski, our company provides expert sales, service and installation. We have a team of technicians that are fully qualified to help you select the comfort system that best fits your home and your budget. We serve the greater St Louis area, and are a no-nonsense, everything-on-the -table kind of heating and cooling company. Our written 100% satisfaction guarantee is behind all the work we do – if you’re not happy with our heating and cooling services for any reason, we’ll make it right or give your money back, no questions asked! No matter if it is a furnace or AC repair, furnace and AC installation, heat pump installation, or anything heating and air conditioning-related, you will have our guarantee. Along with the services we provide, we’re also passionate about our duty to protect the environment and our social responsibility to the community. In our daily practices, we utilize earth-friendly products and methods to ensure clean outdoor and safe indoor environments for the people we serve. We regularly give back to the community through volunteer work and financial donations. Among the charitable organizations we support are Safe Kids USA, National Multiple Sclerosis Society, Autism Speaks and the Sheriffs’ Association. Financing options available. Numerous rebate programs available. Government subsidized programs available to qualifying homes. Additional phone number (618) 717-0707 Also servicing clients from both 14248 F Manchester Rd, Ste. 190, Manchester MO, 63011 & 110 West Main St., Ste. A, Belleville IL, 62220!

"Very professional and thorough"

Carla F on May 2025


Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
6921 Olive Blvd
4.75(
564
)
Approved Pro
SmartHouse Heating & Cooling
6921 Olive Blvd
4.75(
564
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
392 local quotes requested

***For EMERGENCY requests, please CALL our office for immediate assistance*** SmartHouse is a leading provider of HVAC and home performance services throughout the St. Louis area specializing in: • Installation, maintenance, and repair of heating & cooling systems (traditional and geothermal) • Indoor air quality (IAQ) solutions • Energy efficiency upgrades • Solving comfort issues Our focus on exceptional service, quality craftsmanship and bulletproof integrity has been recognized by the Better Business Bureau with their TORCH AWARD FOR ETHICS AND INTEGRITY. If you’ve been looking for a trustworthy heating and cooling contractor that provides best-practice craftmanship with integrity, we hope you will consider choosing SmartHouse!

"I scheduled a tune-up service for my AC for 9-12 o'clock. At 11:35, I called to see if they were still coming, and she tells me 'sorry, the tech is running behind. He will be there closer to 1:00'. I accepted that, then waited until after 1:00 to call them again, only to find out the tech was still an hour away, working on another job. I thought the whole point of a service 'window' was to provide flexibility for the tech in case they get held up. I had to leave my house by 2:30, so I canceled the appointment. I took out an entire day for absolutely nothing."

Michael D on May 2025

***For EMERGENCY requests, please CALL our office for immediate assistance*** SmartHouse is a leading provider of HVAC and home performance services throughout the St. Louis area specializing in: • Installation, maintenance, and repair of heating & cooling systems (traditional and geothermal) • Indoor air quality (IAQ) solutions • Energy efficiency upgrades • Solving comfort issues Our focus on exceptional service, quality craftsmanship and bulletproof integrity has been recognized by the Better Business Bureau with their TORCH AWARD FOR ETHICS AND INTEGRITY. If you’ve been looking for a trustworthy heating and cooling contractor that provides best-practice craftmanship with integrity, we hope you will consider choosing SmartHouse!

"I scheduled a tune-up service for my AC for 9-12 o'clock. At 11:35, I called to see if they were still coming, and she tells me 'sorry, the tech is running behind. He will be there closer to 1:00'. I accepted that, then waited until after 1:00 to call them again, only to find out the tech was still an hour away, working on another job. I thought the whole point of a service 'window' was to provide flexibility for the tech in case they get held up. I had to leave my house by 2:30, so I canceled the appointment. I took out an entire day for absolutely nothing."

Michael D on May 2025

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FAQs for heat pump installation and replacement projects in Florissant, MO

Heat pumps don’t create heat—they move it. A refrigerant cycles through two coils, picking up warmth from outside air in winter and releasing it indoors. In summer, the process reverses, pulling heat out of your house and sending it outside. Because the system simply transfers energy rather than generating it, you get efficient, year-round comfort without burning fuel.

With proper installation and regular upkeep, a quality heat pump typically lasts 12 to 20 years. Swap or clean filters as directed, book an annual tune-up, and tackle small repairs quickly to keep the system running smoothly. Skipping maintenance can shave years off the life span and undercut the energy savings you expect.

Heat pumps shine in areas where winter temps stay above about 40°F. Below that mark, efficiency drops, and once readings dip under 25°F you’ll want a backup heat source. Choose a model with a high Heating Seasonal Performance Factor (HSPF) and budget for supplemental heat if your region sees deep freezes. That combo keeps comfort levels high without driving up utility bills.

The biggest drawbacks are the up-front price tag and lower efficiency in extreme cold. If winter temps in your area drop below 10°F, the outdoor unit can freeze, and you may need electric upgrades or duct tweaks to keep things running. Factor in these extras before you buy so the long-term savings aren’t wiped out by surprise costs.

The Florissant, MO homeowners’ guide to heat pump installations and replacements
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