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Get matched with top heating and air conditioning pros in Knob Noster, MO

There are 3 highly-rated local heating and air conditioning pros.

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Average homeowner rating star icon4.4
Average homeowner rating
Verified reviews icon14
Verified heating and air conditioning services reviews

Heating and air conditioning pros in Knob Noster

Avatar for Dragonfly Mechanical
Dragonfly Mechanical
3004 SW Hwy 40 Suite C
4.92(
6
)
Approved Pro
Dragonfly Mechanical
3004 SW Hwy 40 Suite C
4.92(
6
)
Approved Pro
Customers say: Quick response
22 local quotes requested
10 years of experience

"We are a locally owned business, with one goal – happy customers. The way we see it, that’s the only path to long-term success. Plus, those smiles make doing business a whole lot of fun. We invest in our highly skilled team, maintain an environment where everyone can thrive, and empower our technicians to deliver the best possible outcome for each customer – not just the bottom line. We know that if we take good care of our neighbors, we all win."

"Dragonfly Mechanical did an amazing job with addressing my concerns regarding my furnace. Ross, the HVAC technician was professional and exceeded my expectations. I highly recommend them."

Sharlotte R on January 2025

"We are a locally owned business, with one goal – happy customers. The way we see it, that’s the only path to long-term success. Plus, those smiles make doing business a whole lot of fun. We invest in our highly skilled team, maintain an environment where everyone can thrive, and empower our technicians to deliver the best possible outcome for each customer – not just the bottom line. We know that if we take good care of our neighbors, we all win."

"Dragonfly Mechanical did an amazing job with addressing my concerns regarding my furnace. Ross, the HVAC technician was professional and exceeded my expectations. I highly recommend them."

Sharlotte R on January 2025


Altstatt Mechanical
No reviews
Altstatt Mechanical
No reviews
10 years of experience

We spealize in just about anything and everything that can break down from hvac to electrical to mechanical if it's broke we diagnose the issue and look at options of repair or replace

We spealize in just about anything and everything that can break down from hvac to electrical to mechanical if it's broke we diagnose the issue and look at options of repair or replace



Total Air Care LLC
No reviews
Total Air Care LLC
No reviews

Providing heating and cooling diagnostics, repairs and replacements.

Providing heating and cooling diagnostics, repairs and replacements.


Alpha
No reviews
Alpha
No reviews

We are a full service Electrical, Heating, and Cooling company for residential and light commercial. We have been in the industry for more than 15 years provided top quality service to ever client. We provide each customer with the highest level of service possible, no matter how small or large the job is.

We are a full service Electrical, Heating, and Cooling company for residential and light commercial. We have been in the industry for more than 15 years provided top quality service to ever client. We provide each customer with the highest level of service possible, no matter how small or large the job is.




Kingdom Heating and Air
Po Box 313
No reviews
Kingdom Heating and Air
Po Box 313
No reviews

Air Conditioning and Heating repair, service and installation. Residential and commercial availability. Kingdom Heating and Air is built on honesty, clarity, professionalism and value. We do things the right way, every time. Licensed and insured, Kingdom HVAC is here to help and generally able to make same day service calls.

Air Conditioning and Heating repair, service and installation. Residential and commercial availability. Kingdom Heating and Air is built on honesty, clarity, professionalism and value. We do things the right way, every time. Licensed and insured, Kingdom HVAC is here to help and generally able to make same day service calls.


Neli Virtual Appliance Repair
143 Charlotte Ave
4.29(
572
)
Neli Virtual Appliance Repair
143 Charlotte Ave
4.29(
572
)
Customers say: Super punctual
16640 local quotes requested

Virtually diagnose and/or repair your appliances and HVAC units today without anyone stepping foot inside your home! Starting at $45 you can take control of your home appliance repairs via video chat with a certified technician when it’s convenient for you. Make an appointment today on our website. Neli's certified technicians will work with you to conduct either a diagnosis to find out what's wrong or a repair. You will use Neli’s advanced video chat technology during your appointment. Schedule your appointment today at nelihome.com or call us at 833-876-0900!

"This was amazing! I had no idea this service existed. After searching and contacting various repair places for my washer, this was the most cost effective option. I figured if it didn't work, my machine is old and I would be out $40, not the $100+ to have a tech come out and just diagnose the problem. I am pretty handy and my washer is old anyway, so if it is broken, I have to get a new one anyway. My tech, Steve, was great! He predicted what was wrong after listening to the machine, calmly walked me through dismantling the machine and when we got down to the motor, he was right! He sent me a link to the part I would need, and let me know to contact them again if I needed help installing it. My machine works even better than before it broke, its beautifully quiet and efficient. I will definitely be saving this company for any future repairs on appliances I may need. The service was $40 + the part cost, which was about $8."

Jennifer S on March 2025

Virtually diagnose and/or repair your appliances and HVAC units today without anyone stepping foot inside your home! Starting at $45 you can take control of your home appliance repairs via video chat with a certified technician when it’s convenient for you. Make an appointment today on our website. Neli's certified technicians will work with you to conduct either a diagnosis to find out what's wrong or a repair. You will use Neli’s advanced video chat technology during your appointment. Schedule your appointment today at nelihome.com or call us at 833-876-0900!

"This was amazing! I had no idea this service existed. After searching and contacting various repair places for my washer, this was the most cost effective option. I figured if it didn't work, my machine is old and I would be out $40, not the $100+ to have a tech come out and just diagnose the problem. I am pretty handy and my washer is old anyway, so if it is broken, I have to get a new one anyway. My tech, Steve, was great! He predicted what was wrong after listening to the machine, calmly walked me through dismantling the machine and when we got down to the motor, he was right! He sent me a link to the part I would need, and let me know to contact them again if I needed help installing it. My machine works even better than before it broke, its beautifully quiet and efficient. I will definitely be saving this company for any future repairs on appliances I may need. The service was $40 + the part cost, which was about $8."

Jennifer S on March 2025


Price Heating and Cooling LLC
920 Starnes St
No reviews
Price Heating and Cooling LLC
920 Starnes St
No reviews
9 years of experience

Small locally owned and operated HVAC business. Currently only accept cash or check as payment.

Small locally owned and operated HVAC business. Currently only accept cash or check as payment.

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Heating and air conditioning services FAQs

Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.

While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.  

The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.

Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations. 

As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include: 

  • The owner, principal, or relevant manager passed a criminal background check

  • Required to have applicable state and local licenses

  • Maintain an average star rating of 3.0 or better on our network, if they have at least one review

  • Paying to advertise their services

  • Meeting any other eligibility criteria required by Angi

Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.

The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.  

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