HVAC
HVAC Repair and Installation in Davenport, FL
Underwood AC repairs, replaces and maintains residential heating and cooling systems in Davenport, Florida, and nearby Central Florida communities. Our work covers central air conditioners, heat pumps, furnaces, air handlers, ductless systems, ductwork and indoor air quality equipment. We’re based at 325 Hills Bay Drive in Davenport.
Whether your system has stopped working, is due for replacement, or simply needs routine care, this page explains each type of HVAC service and points you to the right next step. When you’re ready, schedule HVAC service online or call our office.

Which HVAC Service Do You Need?
Most HVAC requests fall into one of the situations below. Each row links to the page that covers that service in detail.
| If Your System… | You Likely Need | Where to Start |
| Isn’t cooling, is leaking water, or won’t turn on | AC repair | AC repair services |
| Isn’t heating, or a heat pump is struggling in either mode | Heat pump or furnace repair | Heat pump repair or furnace service |
| Is older, needs frequent repairs, or can’t keep the house comfortable | Repair or replacement evaluation | AC installation and replacement |
| Works fine but hasn’t been serviced in a year or more | Preventive maintenance | AC tune-ups or a Cub Club maintenance plan |
| Leaves the house humid, stuffy or dusty | Indoor air quality assessment | Air quality testing |
| Can’t reach a room, garage or addition without ductwork | A ductless system | Ductless AC systems |
If you’re not sure which category your problem fits, that’s fine. Describe what you’re noticing when you book, and a technician will start with a diagnosis.
HVAC Repair
HVAC repair covers any problem that keeps your heating or cooling system from running safely and comfortably, from a system that won’t turn on to one that runs constantly without reaching the thermostat setting.
Common reasons homeowners call us for repair include:
- Warm air during cooling or cool air during heating
- Weak airflow from the vents
- Water around the indoor unit
- Ice on the refrigerant lines or indoor coil
- The system turning on and off every few minutes
- Grinding, squealing or banging noises
- A blank thermostat or a breaker that keeps tripping
A repair visit starts with diagnosis. The technician checks the parts of the system connected to your symptom, such as the thermostat, electrical components, airflow, condensate drainage and refrigerant pressures. You’ll hear what failed, why it failed, and what the repair costs before any work begins. Nothing is repaired until you approve it.
One problem that shows up regularly in our Davenport service records is a clogged condensate drain line. When the drain backs up, a safety float switch shuts the system off, and the thermostat may go blank. If you notice standing water near the indoor unit, turn the system off at the thermostat and schedule service rather than restarting it repeatedly.
Where to go next for repair:
- Air conditioner problems: our AC repair services page covers cooling symptoms, safe checks and what happens during a visit.
- Heat pump problems: a heat pump handles both heating and cooling, so issues can show up in either mode. See our heat pump repair and installation page.
- Furnace problems: see our furnace repair and installation page.
- Indoor unit problems: the air handler houses the blower that moves air through your home. Learn more about air handler service.
HVAC Installation and Replacement
Replacing an HVAC system usually makes sense when the equipment is aging, needs repairs more and more often, or no longer keeps your home comfortable even after service. ENERGY STAR suggests considering replacement when a heat pump or air conditioner is more than 10 years old or a furnace is more than 15 years old, especially if repairs are frequent and energy bills keep rising. Age alone doesn’t settle the decision, so our technicians walk you through repair and replacement options side by side and leave the choice to you.
A quality installation starts with correct sizing. The U.S. Department of Energy recommends that contractors size heating and cooling equipment with a load calculation rather than a square-footage rule of thumb, because insulation, windows, air leakage and ductwork all affect what a home needs. An oversized system can cool quickly but leave the house clammy, while an undersized one may run nonstop on hot afternoons.
The right new system depends on your home:
- Central air conditioning: an outdoor unit paired with an indoor coil or air handler. See AC installation and replacement.
- Heat pumps: one outdoor unit provides both cooling and heating. See heat pump installation.
- Furnaces: for homes heated by a furnace, see furnace installation.
- Ductless systems: for rooms or additions without ductwork. See ductless AC installation.
- Ductwork: leaking, crushed or poorly sized ducts can limit any new system. See ductwork installation.
Financing may be available to spread the cost of a new system or a major repair over time. Terms and approval are set by the lender, so review our HVAC financing options before you apply. For more on the warning signs, read our guide on when it’s time to replace your HVAC system.
HVAC Maintenance
Professional HVAC maintenance should be scheduled at least once a year. ENERGY STAR recommends an annual contractor check of heating and cooling equipment, and because air conditioners in Central Florida run for most of the year, many homeowners choose two visits a year instead.
Every maintenance visit is a Comfort Performance Visit: a technician tests the outdoor and indoor equipment, checks refrigerant and airflow, treats the condensate drain line, and explains what they found in plain language. Maintenance can’t prevent every breakdown, but it improves the chances of catching worn parts early, when a repair can be planned instead of rushed.
You can choose how maintenance fits your schedule:
- A one-time tune-up, booked whenever you want your system checked. See AC maintenance and tune-ups.
- A Cub Club membership, which schedules two visits a year, in winter and spring, and adds priority scheduling and no diagnostic fee on service calls. Compare plans on our HVAC service agreements page.
Between visits, check your air filter monthly and replace it when it looks dirty. If you’d rather not handle it yourself, we offer AC filter replacement. For timing ideas, see why fall is a good time for an HVAC inspection in Davenport.
Heating and Cooling Systems We Service
Air Conditioning
Central air conditioning cools and dries your home through the long cooling season. Our air conditioning services page brings together repair, maintenance, installation, ductless systems and filter replacement in one place.
Heat Pumps and Furnaces
Heat pumps cool in summer and reverse to provide heat on cooler days. Furnaces provide heat only and work alongside a separate air conditioner. We repair, maintain and install both, so you can get help with either type of heating system from the same team.
Air Handlers
The air handler is the indoor unit that circulates air through your ducts. It may also contain electric heat strips for backup heating. Problems with the blower, coil or drain pan often start here.
Indoor Air Quality
Indoor air quality services address different problems, so it helps to start with the right one:
- Air quality testing measures conditions in your home so you know what, if anything, needs attention.
- Air filtration upgrades capture more airborne particles as air passes through your system, depending on the filter and system design.
- UV air sanitizers are installed inside the HVAC system, and their effect depends on placement, exposure time and system conditions.
- Whole-home dehumidifiers help when your home stays humid even though the AC is working properly.
We also service and install pool heaters, including gas and electric models.
What to Expect When You Schedule HVAC Service
- Book a visit. Schedule online or call our office and describe what your system is doing.
- Diagnosis or inspection. The technician checks the parts of the system related to your concern, or completes the full maintenance checklist.
- A clear explanation and price. You’ll learn what was found, what your options are, and what each one costs before any work begins.
- Work after your approval. Repairs or installation proceed only once you’ve agreed to the plan.
- A walkthrough when we’re done. Your technician confirms the system is operating properly and answers your questions.
HVAC Service in Davenport and Nearby Communities
Underwood AC is based in Davenport. We also provide HVAC repair, installation and maintenance for homeowners in Celebration, Clermont, Haines City, Kissimmee, Poinciana, Windermere and Winter Garden.
You can see recent local jobs and customer reviews on our Davenport HVAC services page, or browse all the Central Florida cities we serve.
Schedule HVAC Service in Davenport
Whether you need a repair, a second opinion on replacement, or a maintenance visit before the next season, contact Underwood AC to schedule service. A technician will look at your system and explain your options before any work begins.
Frequently Asked Questions
HVAC stands for heating, ventilation and air conditioning, so HVAC repair covers the whole system: cooling, heating and the air handler and ducts that move air through your home. AC repair focuses on the cooling side. If your home uses a heat pump, one problem can affect both heating and cooling, which is why we diagnose the full system rather than one part in isolation.
It can be. On very hot, humid days, a correctly sized system may run long cycles to hold your thermostat setting and remove moisture. It’s a concern when the system runs constantly and still can’t reach the setting, blows warm air, or the house feels humid. Those signs can point to a dirty filter or coil, low refrigerant, leaking ducts or a system that is too small for the home.
A room that stays warmer than others is often an airflow problem rather than an equipment failure. Common causes include closed or blocked supply vents, a disconnected or crushed duct, a room at the end of a long duct run, or strong afternoon sun on west-facing windows. A technician can measure airflow at the vents and check the ducts serving that room. If the room was added later or never had ductwork, a ductless system may be the better fix.
Start by confirming the contractor holds an active Florida license, which you can check through the Florida Department of Business and Professional Regulation. Then look for a company that explains its diagnosis and pricing before work begins, sizes new equipment with a load calculation, and offers ongoing maintenance options. Our guide on how to choose an HVAC service covers more questions to ask.
Yes. Repair and maintenance visits start with the equipment you have now, whoever installed it. The technician begins with a diagnosis of your existing system, then explains your repair options or, if the equipment is near the end of its life, what a replacement would involve.
Contact Form
We’re Here to Help. Contact Us Today!

Contact Us
Take the Next Step
At Underwood AC, we provide expert AC repair and maintenance in Davenport, FL, that will keep your air conditioner running at full capacity. Schedule an appointment with us today so we can get started.
Contact Form
We’re Here to Help. Contact Us Today!

Take the Next Step
At Underwood AC, we make it easy to get AC filter replacements in Davenport, FL. Whether you need a standard replacement or help selecting the right filter for your home, our team is here to help. Contact us today to schedule your service and keep your AC running at peak performance.


