Jameson Heating & Air

Jameson Heating & Air Heating & Air Conditioning in Mt Vernon Missouri We offer free in home estimates, 24 hour emergency services, and interest free financing.

Jameson Heating & Air is a locally owned business located in Mt Vernon Missouri. 16 years HVAC experience serving surrounding areas including Mt Vernon, Aurora, Republic, Springfield, Willard, as well as others. We specialize in Residential and Commercial service and replacements and also do Residential, Commercial, and Industrial new construction.

This A/C unit is only 11 years old, but the compressor has already failed — and this picture shows why.When a condenser ...
06/03/2026

This A/C unit is only 11 years old, but the compressor has already failed — and this picture shows why.

When a condenser coil gets packed with dirt and debris like this, the system can’t breathe. That forces the compressor to run hotter, work harder, and eventually burn out long before its time.

Regular maintenance isn’t just about keeping things clean. It’s about:
✅ Protecting your system’s most expensive components
✅ Reducing energy use and utility bills
✅ Preventing early system failure
✅ Keeping your home comfortable all season long

At Jameson Heating & Air, we help your system last longer, run smoother, and avoid costly breakdowns.

📞 Call us today to schedule your maintenance check.

04/03/2026
Missouri weather is about to start doing its thing 😅If you haven’t turned your AC on yet this year, now is the time to t...
03/18/2026

Missouri weather is about to start doing its thing 😅

If you haven’t turned your AC on yet this year, now is the time to test it, before that first 85° day hits and everyone is calling at once.

Quick things to check:�
✔ Change your air filter�
✔ Make sure your outdoor unit is clear of leaves/debris�
✔ Turn it on for 10–15 minutes to make sure it’s cooling properly

If it’s blowing warm air or making strange noises, don’t ignore it.

And of course, call us if you need help with your HVAC system and we’ll send one of our friendly technicians out.

Whether you have a personal shop or run a full‑scale business out of one, we’re here to keep your space comfortable year...
03/09/2026

Whether you have a personal shop or run a full‑scale business out of one, we’re here to keep your space comfortable year‑round.

For this 60×125 workshop, we installed two 5‑ton high‑efficiency systems, along with a 2‑ton heat pump dedicated to the office space. The cover for the ductwork running across the ceiling was custom‑built with the help of Air Moving Equipment in Springfield, ensuring a perfect fit and smooth airflow.

If you have ideas for your shop or workspace, we can make them happen!

Is a mini split right for you? What is a mini split? It’s a ductless, highly efficient heating and cooling system that a...
02/25/2026

Is a mini split right for you?

What is a mini split?
It’s a ductless, highly efficient heating and cooling system that allows you the ability to heat and cool individual rooms.

They could be beneficial for adding heating and cooling to small spaces, garages, basements or anywhere that doesn’t have room for ducts without requiring much construction.

They are also significantly quieter than a window unit and could reduce heating and cooling costs by 30-50% compared to a traditional HVAC system.

So what do you think? Could one of these units be right for you?

A few tips with the upcoming winter storm  ❄️ If the predicted snowfall hits, and you have a heat pump, it's best to swi...
01/22/2026

A few tips with the upcoming winter storm ❄️

If the predicted snowfall hits, and you have a heat pump, it's best to switch it off and run your emergency heat until conditions improve. Excessive snow buildup around your unit can lead to serious, lasting damage.

When temperatures drop, your heating system works overtime to keep your home warm. Make sure your filters are clean so your system can breathe and maintain efficient airflow. This quick and easy check can keep things running smoothly!

If it’s been a while since you checked your propane level, today’s the day to take a quick look. Staying ahead of it now can save you a cold surprise later. If your tank is running low, give J J Propane a call and they'll get you taken care of.

Stay safe and warm! ❄️☃️

Jameson Heating & Air is growing—and we're looking for an experienced HVAC professional to join the team.💰 Pay: $28–$35/...
01/12/2026

Jameson Heating & Air is growing—and we're looking for an experienced HVAC professional to join the team.
💰 Pay: $28–$35/hr
⏰ Hours: 40–50/week
📋 Requirements:
• EPA certified
• Clean driving record
• 3+ years of HVAC experience
• Pass background check & drug screening
🧰 We provide:
• Company vehicle (take it home!)
• Tools (except hand tools)
• Insurance, vacation, bonuses
Ready to take your career to the next level?
📧 Send your resume to: [email protected]
📞 Call us at: 417-222-2350
📩 Or just DM us to get started!

We couldn’t do what we do without this group of people.  They show up and give it their all whether it’s 100 degrees or ...
12/24/2025

We couldn’t do what we do without this group of people. They show up and give it their all whether it’s 100 degrees or 0 outside. We’re grateful to be surrounded by so many great people, our amazing customers, and all of those that support us. Thank you ❤️

Merry Christmas from our families to yours! 🎄

Also, a big thanks to The Dining Hall Steakhouse for having the perfect setup and amazing food. Highly recommend!

We’re thankful for cozy homes, reliable heat, and every customer who makes what we do worthwhile. 🍂
11/27/2025

We’re thankful for cozy homes, reliable heat, and every customer who makes what we do worthwhile. 🍂

Address

11257 Lawrence 1165
Mount Vernon, MO
65712

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+14172222350

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