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Sweet relief from the heat
Thermostat Repair & Replacement

Delivering fast, honest Thermostat Repair & Replacement across Kissimmee and Central Florida. Just reliable work from Cool Lemonade Air and Heat.
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Thermostat Repair and Replacement in Kissimmee, FL


Your thermostat is the control center for your entire HVAC system, and when it’s not working correctly, it can make a perfectly good AC or heating unit seem broken. A miscalibrated, unresponsive, or outdated thermostat is one of the more common, and more overlooked, causes of comfort complaints in Kissimmee homes.

Cool Lemonade Air & Heat repairs and replaces thermostats for homeowners and light commercial properties throughout Kissimmee, FL. We diagnose whether the issue is the thermostat itself or something further down the line before recommending a fix.

From Sour Systems to Sweet Relief

Our 3-Step Process for Turning Broken Systems into Sweet Relief

Step 1

Squeeze Out Troubles & Get Upfront Estimates

Book online or call (407) 729-0867. Our technician inspects your heating or AC unit and gives you a clear, upfront price before work begins.

Step 2

Turn Broken HVAC Into Refreshing Lemonade

We inspect every detail to pinpoint the root issue, then act fast using precision tools and quality parts to fix your system correctly the first time.

Step 3

Verify Cold Comfort & Enjoy Peace Mind

We test your system to verify perfect cooling or heating before leaving. You enjoy immediate comfort, total peace of mind, and our ongoing support.

Our Thermostat Services

Thermostat issues generally fall into a couple of categories, and we handle both.

Thermostat Repair

Wiring issues, power problems, or a miscalibrated sensor can all cause a thermostat to misread temperatures or stop communicating with your system. We diagnose these issues directly rather than replacing a unit that could still be repaired.

Thermostat Replacement

When a thermostat is outdated, incompatible with a new system, or beyond a reasonable repair, we help you choose a replacement, including smart thermostat options, and install it correctly so it communicates properly with your HVAC system.

Signs Your Thermostat Needs Attention

A failing thermostat doesn’t always announce itself clearly. Watch for:

  • Inconsistent temperatures throughout your home: This can point to a thermostat that’s misreading conditions.
  • An unresponsive or blank display: Often linked to power issues or a failing unit.
  • Your system not responding to adjustments: If changing the setting doesn’t change what your AC or heater does, the thermostat may not be communicating properly.
  • Short-cycling: Your system turns on and off more frequently than it should.
  • Rising energy bills without a clear cause: A miscalibrated thermostat can cause your system to run longer than necessary.

If you’re noticing any of this, it’s worth having the thermostat checked before assuming the whole system is at fault.

Why Choose Cool Lemonade Air & Heat for Thermostat Service

Kissimmee homeowners trust us with thermostat work because we take the time to diagnose it correctly:

  • Accurate diagnostics: We confirm whether the thermostat or the system is the actual issue.
  • A range of replacement options: Including smart thermostats that integrate with your system.
  • Licensed and insured technicians: Every job is handled to a high standard.
  • Honest recommendations: We won’t replace a thermostat that just needs a repair.

Proudly Serving Kissimmee, FL, and the Surrounding Area

Alongside thermostat repair and replacement, our team provides air conditioning, heating, ductwork, ductless mini-split installation, and indoor air quality services for homeowners throughout Kissimmee and the surrounding communities.

Schedule Thermostat Service in Kissimmee, FL

If your thermostat isn’t working the way it should, contact us today or schedule a service appointment online, and we’ll get to the bottom of it.

Frequently Asked Questions (FAQs)


How do I know if I need a new thermostat?

Signs like a blank display, unresponsive controls, inconsistent temperatures, or a system that doesn’t respond to adjustments often point to a failing thermostat. We can confirm whether repair or replacement makes more sense for your situation.

How much does thermostat replacement cost?

Costs vary depending on the type of thermostat you choose, including whether you’re upgrading to a smart thermostat. We provide a clear estimate after understanding what you’re looking for.

Can I install a smart thermostat myself?

While some smart thermostats are designed for DIY installation, compatibility issues with existing wiring and HVAC systems are common. Professional installation helps confirm everything is wired and configured correctly from the start.

Will a new thermostat lower my energy bills?

A properly functioning thermostat helps your system run only when needed, which can improve efficiency compared to a miscalibrated or malfunctioning unit. The exact impact depends on your system and how the old thermostat was performing.

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