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★★★★★ 4.8 · 1,300+ reviews
Lic. CAC1819196 · CFC1431159
✓ FREE Estimates   |   ✓ FREE Diagnosis
No diagnostic fee. No trip charge. You only pay if you approve the repair. Call (813) 343-2212

Need AC Repair in Keystone?

Expert AC Repair Services in  Keystone

Keystone is a rural and semi-rural community in northwest Hillsborough County known for its larger lots, horse properties, and homes with more square footage than the typical suburban tract home. Larger homes mean larger AC systems, and bigger systems cost more to repair and maintain.

Home Therapist Vector Elements Mesa De Trabajo
Hanging Banner Ten
Years of Experience

Licensed HVAC technicians delivering trusted AC repair in Keystone and the Tampa Bay area for over a decade.

Licensed (CAC1819196), Bonded & Insured.
Hanging Banner Award
Free Estimates

Whether it’s a small leak or a major AC repair, our team provides clear, upfront pricing to Keystone homeowners.

Hanging Banner Reliable
Same Day Services

AC problems can’t wait , that’s why we guarantee fast response and same-day service for Keystone residents.

Why Do Keystone Homeowners Trust Us?

Serving Your Neighborhood Since 2017

Since 2017, Home Therapist Cooling, Heating, and Plumbing has been keeping Keystone homes comfortable year-round. Whether you live near Keystone Recreation Center, Keystone Community Church, Al Lopez Park, Gunn Highway Corridor, or out by Westchase Golf Club, our licensed technicians (license CAC1819196) provide same-day ac repair with upfront pricing with FREE diagnosis. We have completed over 1,100 five-star jobs across the Tampa Bay area and our trucks are stocked with parts for Carrier, Trane, Lennox, Rheem, and every major brand. Keystone weather pushes home systems hard, and when yours stops working, we get there fast and fix it right the first time.

★★★★ 4.8 (1,337 verified reviews)
Verified4.8★ · 1,337 reviews
🛡 FL Licensed: CAC1819196 · CFC1431159💼 $1M General Liability + Workers’ Comp🏠 Family-owned since 2017⚡ Same-day service
★★★★★Plumbing

They are very professional, punctual, and organized. Adarberto is a great plumber. His experience and knowledge left us with a lot of confidence and peace of mind. We will definitely call them…

Orlienski Perez · · Google
★★★★★

A very friendly and very professional company. They get the job done right and efficiently! And their rates are reasonable. Highly recommend!

Emi Plays · · Google
★★★★★

AC therapist are the best in this area. They explain everything that they find and what they recommend

Roberto Hernandez · · Google
★★★★★

On time service every few months.. they call ahead to schedule.. they confirm appointments before appointment date and also advise day of when they are on the way!! Great customer service!! Thank…

Linda Silva · · Google
★★★★★

They have a quick response time and are easy to communicate with. The service was done well, and Alejandro was very friendly and professional.

Sylvia Hernandez · · Google
★★★★★Plumbing

I had a great experience with Alejandro from Home Therapist Cooling, Heating, and Plumbing. He repaired two toilets and installed the water line to my new refrigerator after the delivery team refused…

Thomas Jones · · Google
★★★★★AC repair

Amazing service from start to finish. My AC system completely stopped working, and they were able to come out the same day, which was a huge relief. The technician was professional, knowledgeable,…

Manny Velasquez · · Google
★★★★★Water heater

As an engineer/fabricator/assembler, I have high standards from my contractors. This guy Sam, he fulfilled all my requests and installation needs. He took pride of his work, and left me with a…

ALEXANDROS ORESTIS · · Google
★★★★★Plumbing

A big THANK YOU to Home Therapist Cooling, Heating and Plumbing for running sewer pipes to our RV and shed! Samuel was beyond amazing! He was prompt, professional, and his communication style…

Mindy Walker · · Google
Latest review: May 2026 · auto-refreshed daily

What AC Problems Do We Fix?

Licensed Technicians, All Major Brands

Many properties in Keystone use well water, and the mineral content in that water can leave calcium deposits on evaporator coils if homeowners are not keeping up with annual maintenance. Homes along Gunn Highway and Keystone Road often sit on one to five acre lots where the AC condenser may be further from the main road and harder to access for service. The Keystone area near the Hillsborough River sees slightly higher humidity than surrounding neighborhoods, and that river moisture can accelerate corrosion on outdoor components. In the newer pockets of development off Van Dyke Road, builder-grade systems are starting to show their first signs of wear after 8 to 12 years.

Air Conditioning Services
Plumber Holding Gauges Near Air Conditioning Unit

We specialize in providing top-of-the-line cooling solutions for your home or business. From Air Conditioning installation and maintenance to repair and replacement, we offer a comprehensive range of services to ensure your air conditioning system runs smoothly all year round.

Heating Services
External Air Conditioning Unit Outside Building Plantations

We specialize in providing reliable, energy-efficient heating solutions for Tampa Bay homes. Whether you’re dealing with an emergency breakdown or planning a full system upgrade, Home Therapist is here with expert installation, repair, and maintenance services.

  • Heating Repair
  • Heating Installation
  • Heating System Replacement
  • Furnace Repair
  • Furnace Installation
  • Furnace Maintenance
  • Heat Pump Services
  • Heat Pump Installation
  • Emergency Heating Repair
  • Smart Thermostat Setup
  • Gas Furnace Services
Ductwork and Air Quality Services
Ductwork In Insulated Attic With Ventilation Fan And Light

We help Tampa Bay homeowners improve indoor air quality, lower energy bills, and extend HVAC system life with professional ductwork and air treatment services. From duct sealing to air purification, we do it all.

  • Air Duct Cleaning
  • Air Duct Sanitizing
  • Air Duct Replacement
  • Duct Sealing & Repair
  • R8 Duct Upgrades
  • Blown-In Insulation
  • Indoor Air Quality
  • UV Light Installation
  • HALO-LED Installation
  • Media Air Filters
  • Whole Home Air Purifiers
  • Dehumidifiers & Humidity Control
Plumbing Services
Water Pump System With Plumbing Fittings And Valves

Explore our full range of plumbing services by category. From leak detection and repiping to fixture installations and water heater solutions , we’ve got Tampa Bay’s HVAC needs covered.

  • Pipe Repair & Replacement
  • Drain Cleaning Services
  • Plumbing Fixtures
  • Water Heaters
  • Water Quality
  • Emergency Plumbing Services
  • Other Plumbing Services

How Does Our AC Repair Process Work?

By Your Side at Every Step
+40 (10)

Step 1

Call us or book online,we’ll handle the details hassle-free!
+40 (8)

Step 2

Your AC Repair specialist arrives on time, ready for a job done right.

+40 (9)

Step 3

Relax and enjoy the comfort of your home!

Why Choose Home Therapist in Keystone?

Same-Day Service, Upfront Pricing

Keystone residents get their electricity from TECO (Tampa Electric Company), and with the larger home sizes typical of this area, AC systems work harder and longer to keep up. Many Keystone homes have 4-ton or 5-ton systems, and the cost of parts like compressors and coil sets scales up with system size. The rural setting means more dust, pollen, and organic debris in the air, which clogs filters faster and coats outdoor condenser coils.

Last updated: April 2026

AC Repair Costs in Keystone

Pricing updated April 2026. All AC repair prices include parts and labor. Free estimates and free diagnosis within Hillsborough, Pinellas, and Pasco counties. Approved repair labor starts at $279. The diagnosis is always free.

ServicePrice
AC Tune-Up (current promotion)$89
Capacitor Replacement$279
Contactor Replacement$279
Hard Start Kit Installation$279
Drain Line Flush$279
Refrigerant Recharge (R410A, up to 3 lbs)$285
Control/Defrost Board Replacement$299
Condenser Fan Blades$349
Refrigerant Leak Repair$399
TXV Replacement$450
Condenser Fan Motor$499 – $849
Blower Motor Replacement$599 – $1,399
Compressor Replacement$649
Evaporator Coil Replacement$599
Copper Lines Replacement$1,349

AC Repair vs. Replacement: When Each Makes Sense

The $5,000 rule: If your AC system is more than 10 years old and the repair costs more than $5,000, replacing it is almost always the better financial decision. A new system comes with a manufacturer warranty (up to 12 years on our Elite tier), uses less energy, and eliminates the risk of another expensive failure next summer.

Most AC repairs in Keystone fall between $279 and $649. Our technicians will always give you an honest recommendation. If a $279 capacitor replacement gets your system running for another 5 years, that is what we will tell you.

When Keystone AC Quits in Florida Summer: Same-Day Repair, 35 Minutes Out

Keystone's low-density 1990s-2010s rural-residential homes in Steeplechase, Eagle Trace, and Stillwater run their original equipment hard in 95-100 degree afternoon heat. When the AC quits, we are 35 minutes away via Suncoast Parkway north and Lutz-Lake Fern Road west. Our licensed tech (CAC1819196) carries the most common failure parts on every truck. FREE diagnosis. FREE estimates on every call.

Call (813) 343-2212 for Your FREE Keystone Estimate

Licensed CAC1819196 (HVAC) | CFC1431159 (Plumbing) | 1,300+ Five-Star Reviews

Three Keystone Specifics That Change Our AC Repair

Attic-Mounted Air Handler Heat-Soak on Larger Keystone Lots

Most Keystone homes have the air handler in an unconditioned attic, and the larger lot sizes mean the attic catches more direct sun exposure than dense-subdivision homes. From May through September those attics run 130 to 145 degrees, which cooks blower motor windings, dries out capacitor electrolyte, and breaks down low-voltage wire insulation 40 percent faster than a conditioned-space install. That heat-soak pattern is why Keystone systems often need a second repair within 18 months if you only fix the obvious failure.

ECM blower motor replacement runs $549 to $849 in Keystone attic-handler homes.

Lightning + 95-100 Degree Afternoon Failure Clusters

Keystone sits in one of northern Hillsborough County's worst summer-storm lightning bands, and the rural-residential lot sizes mean long service drops from the TECO transformer to the home. We see the bulk of Keystone emergency calls between 3 and 7 PM on June through September storm afternoons when an indirect strike clips a transformer and surges through the service. Capacitors, contactors, and circuit boards take the brunt. We always check for surge damage on all three before quoting a single repair.

Whole-house surge protector install runs $329 to $549.

Well-Water + Long Service Runs Stressing Equipment

Most Keystone homes pull from private wells running 12 to 18 grains of hardness, which scales evaporator coils and rust through air-handler condensate pans faster than city-water neighborhoods. The long well-pump runs to remote pads also stress pressure tanks on a 5 to 7 year cycle, and the same long service runs can show voltage-drop issues at the condenser that look like a capacitor problem but are actually a wiring problem. Our diagnosis maps the real failure path.

Condensate pan replacement and coil clean runs $279 to $449.

Recent AC Repair Jobs in Keystone

Real Home Therapist jobs from Keystone neighborhoods. Click any job to see the full story, parts, photos, and outcome.

What AC Repair Customers Say

Real Google reviews from Tampa Bay homeowners. Source: Home Therapist verified Google Business Profile (1,300+ five-star reviews aggregate).

★★★★★

Dusty did a great job and provided honest service and pricing for our AC repair. He also went above and beyond in giving sound advice on our new home renovations!

★★★★★

I have used this company for AC repairs and plumbing maintenance. They keep track of scheduled maintenance. It's easy to create appointments. Every technician who has sent here has been very helpful and attentive. Most recently, Samuel provided excellent service repairing my l...

R-454B Transition Impact on R-410A AC Repairs

Florida transitioned to R-454B for new residential AC systems in January 2025. R-410A is no longer manufactured for new equipment, and existing-system leak repairs now run $260 to $340 per pound of refrigerant (up from about $180 in 2023). If your Keystone AC is 15+ years old and develops an R-410A leak, the repair-versus-replace math has shifted materially. Heat-soaked attic-handler installs see leaks more often than conditioned-space units. We pull current refrigerant pricing into every quote.

Want the real math for your Keystone home? Call (813) 343-2212 for a FREE in-home diagnosis. We pull model numbers, check refrigerant levels, and quote both repair and replacement with no pressure.

Keystone AC Repair Pricing

All projects include FREE in-home estimate, FREE diagnosis on existing equipment, and our 1-year parts & labor warranty.

Common Repair Tier

From $129

  • Single-run or dual-run capacitor replacement
  • Contactor swap with lug clean-up
  • Air filter replacement and return-air check
  • Condensate line flush plus pan tablet
  • Voltage-drop check on long service runs

Major Repair + Same-Day Service

Up to $2,200

  • Compressor replacement with new contactor and start capacitor
  • Evaporator coil replacement including refrigerant recharge
  • ECM or PSC blower motor replacement
  • Circuit board and full electrical harness on lightning-damage jobs
  • R-410A refrigerant leak repair with current spot-pricing transparency
  • Condensate pan replacement on well-water scaled units
  • Same-day completion when parts are in stock

Financing available with $0 down for qualifying applicants. $279 minimum labor applies only to APPROVED repair work, never to the diagnosis.

Ready for Your FREE Keystone AC Repair Diagnosis?

Same-day appointments across Steeplechase, Eagle Trace, and Stillwater. No diagnostic fee. No trip charge. Just an honest assessment.

Call (813) 343-2212  Schedule Online

Licensed CAC1819196 (HVAC) | CFC1431159 (Plumbing) | Serving Keystone since 2017

Frequently Asked Questions

Q1. How much does AC repair cost in Keystone?

AC repair in Keystone starts at $279 for our diagnostic and service call. Because homes here tend to be larger with bigger AC systems, parts costs can run slightly higher than in standard suburban areas. Most repairs in Keystone fall in the $279 to $800 range, but compressor replacements on larger 4 to 5 ton systems can run $1,500 to $3,000. We carry Goodman and Daikin parts on our trucks and can handle most repairs in a single visit.

Q2. What is the $5,000 rule for AC?

A: The $5,000 rule helps you decide between repairing and replacing your AC. Multiply your system’s age by the repair cost, and if the result exceeds $5,000, replacement usually makes more sense. In Keystone, where most homes were built in the 1970s to 2010s (mixed), many AC systems are 10-20 years old. A $400 repair on a 15-year-old unit hits $6,000, making a new system the smarter investment. Our Keystone technicians will run the numbers with you on the spot and give you an honest recommendation.

Q3. What can I do if my AC is broken?

A: Start by checking your thermostat settings and making sure the filter is not clogged. Then check your breaker panel for a tripped circuit. In Keystone, lightning strikes are a common cause of blown capacitors and fried control boards in this area. If your AC still will not turn on or is blowing warm air, call us at (813) 343-2212 and we can usually get a tech to your Keystone home the same day. Do not keep running a broken AC because it can damage the compressor, turning a $300 fix into a $2,000 problem.

Q4. Why is my AC running but not cooling my house?

A: The most common reasons are low refrigerant, a dirty condenser coil, or a failing compressor. In Keystone, inland heat and dust means condenser coils get caked with dirt, pollen, and debris. Your home’s construction type affects how hard the AC has to work. A refrigerant recharge typically costs $279 to $500 depending on your system type. probably runs on R-22 refrigerant which is no longer manufactured and very expensive to recharge. Our Keystone techs will diagnose the actual issue before quoting anything.

Q5. How fast can you get to Keystone for an AC repair?

A: We offer same-day AC repair in Keystone for most calls placed before noon. We service the Gunn Highway, Keystone Road, Van Dyke Road area regularly, so our trucks are usually nearby in Hillsborough County. Our average response time is 2 to 4 hours, and for after-hours emergencies, we have techs available with priority scheduling. Call (813) 343-2212 and we will give you an honest arrival window.

Q6. Do you service all AC brands in Keystone?

A: Yes. Our technicians are trained to repair Carrier, Trane, Lennox, Rheem, Goodman, Daikin, York, Bryant, and every other major brand. In Keystone, we commonly see systems from the 1970s to 2010s (mixed) era, and we keep parts like capacitors, contactors, and fan motors on our trucks so most repairs get done in one visit. For older or less common systems, we can source parts within 24 hours.

Q7. How often should I get my AC serviced in Florida?

A: In Florida, you should get your AC serviced twice a year, once before summer and once before winter. Keystone homeowners powered by TECO can see real savings on their electric bill with regular maintenance. With systems running 8 to 10 months a year in this climate, a tune-up catches worn capacitors or low refrigerant before they become expensive breakdowns. Our Therapy Maintenance Plan includes two visits per year, priority scheduling, and member discounts.

Q8. Is it worth repairing a 15-year-old AC unit?

A: Usually not. Most AC systems in Florida last 10 to 15 years because of the heavy use. A 15-year-old unit is at end of life, uses more electricity, and probably runs on R-22 refrigerant which is no longer manufactured and very expensive to recharge. In Keystone, where mixed (ranch homes on acreage, newer builds) homes hold heat, an inefficient system hits your TECO bill especially hard. If the repair is under $300 and buys you time, that can make sense. But for anything bigger, a new high-efficiency system will save you $50 to $100 a month on electric and comes with a 10-year warranty.

Q9. Why does my AC keep tripping the breaker?

A: A tripping breaker usually means your system is drawing too much power. Common causes are a failing compressor, a locked-up fan motor, or a short in the wiring. lightning strikes are a common cause of blown capacitors and fried control boards in this area. Do not keep resetting the breaker because that is a fire hazard. Our Keystone technicians carry HVAC license CAC1819196 and will trace the electrical issue safely. Repair cost for most breaker-trip causes runs $279 to $800.

Q10. Do you offer free estimates for AC repair in Keystone?

A: Yes, we provide free estimates for AC repair in Keystone. We will diagnose the problem and give you an upfront, flat-rate price before doing any work. Whether you are in Gunn Highway, Keystone Road, Van Dyke Road or anywhere else in Hillsborough County, there is no separate diagnostic charge if you go with the repair. Call us at (813) 343-2212 or book online.

Q11. Do you serve all of Keystone including Steeplechase, Eagle Trace, and Stillwater?

A: Yes. We service every Keystone neighborhood in ZIP 33556, from Steeplechase and Eagle Trace through Stillwater and the homes along Lake Keystone and the Suncoast Trail. Average response time from our Tampa shop is 35 minutes off-peak via the Suncoast Parkway north and Lutz-Lake Fern Road west.

Q12. Can you do same-day AC repair in Keystone when our attic handler fails on a 95-100 degree afternoon?

A: Yes. Attic-handler failures on hot afternoons are the highest-volume Keystone call from May through September. Our trucks carry the most common parts (capacitors, contactors, ECM blower motors, dual-run capacitors) and 7 out of 10 Keystone repairs finish in the first visit. For compressor or coil replacements, we typically complete same-day if local Tampa supply has the part.

Q13. Will Keystone’s well water and rural electrical service stress my AC equipment?

A: Yes on both. Well water running 12 to 18 grains of hardness scales evaporator coils and corrodes air-handler condensate pans faster than city-water neighborhoods. Long service drops from the transformer to the home on larger Keystone lots can show voltage-drop at the condenser that mimics a capacitor problem. Our diagnosis catches both before we recommend a parts swap.

Q14. We service all AC brands in Keystone, but which brands do you install?

A: We REPAIR every AC brand: Carrier, Trane, Rheem, Lennox, York, Bryant, Amana, American Standard, plus existing Goodman and Daikin units. For new installations in Keystone we install Goodman (Value and Premium tiers) and Daikin (Elite tier). Both are appropriate for Keystone’s inland heat load and carry warranties we can stand behind.

Q15. Is the Keystone AC diagnosis really free, or is there a hidden fee?

A: The diagnosis is genuinely FREE in Keystone. No diagnostic fee, no trip charge, no service-call fee. The $279 minimum applies only to APPROVED repair work after you have authorized the repair. If you decide not to proceed, you owe nothing for the diagnosis visit. Estimates on system replacement are also FREE.

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★★★★ 4.8 (1,337 verified reviews)
Verified4.8★ · 1,337 reviews
🛡 FL Licensed: CAC1819196 · CFC1431159💼 $1M General Liability + Workers’ Comp🏠 Family-owned since 2017⚡ Same-day service
★★★★★Plumbing

They are very professional, punctual, and organized. Adarberto is a great plumber. His experience and knowledge left us with a lot of confidence and peace of mind. We will definitely call them…

Orlienski Perez · · Google
★★★★★

A very friendly and very professional company. They get the job done right and efficiently! And their rates are reasonable. Highly recommend!

Emi Plays · · Google
★★★★★

AC therapist are the best in this area. They explain everything that they find and what they recommend

Roberto Hernandez · · Google
★★★★★

On time service every few months.. they call ahead to schedule.. they confirm appointments before appointment date and also advise day of when they are on the way!! Great customer service!! Thank…

Linda Silva · · Google
★★★★★

They have a quick response time and are easy to communicate with. The service was done well, and Alejandro was very friendly and professional.

Sylvia Hernandez · · Google
★★★★★Plumbing

I had a great experience with Alejandro from Home Therapist Cooling, Heating, and Plumbing. He repaired two toilets and installed the water line to my new refrigerator after the delivery team refused…

Thomas Jones · · Google
★★★★★AC repair

Amazing service from start to finish. My AC system completely stopped working, and they were able to come out the same day, which was a huge relief. The technician was professional, knowledgeable,…

Manny Velasquez · · Google
★★★★★Water heater

As an engineer/fabricator/assembler, I have high standards from my contractors. This guy Sam, he fulfilled all my requests and installation needs. He took pride of his work, and left me with a…

ALEXANDROS ORESTIS · · Google
★★★★★Plumbing

A big THANK YOU to Home Therapist Cooling, Heating and Plumbing for running sewer pipes to our RV and shed! Samuel was beyond amazing! He was prompt, professional, and his communication style…

Mindy Walker · · Google
Latest review: May 2026 · auto-refreshed daily
Call (813) 343-2212 Read all 866 on Google
Reviewed by Richard MoralesCo-Owner & FL Class B Air Conditioning Contractor, Home Therapist

Richard co-owns Home Therapist Cooling, Heating, and Plumbing and holds the FL Class B Air Conditioning Contractor license (CAC1819196) since 2017. The company holds licenses CAC1819196 (FL Class B AC Contractor, Richard Morales) and CFC1431159 (FL Plumbing Contractor, Alex Morales), serving the Tampa Bay metro with a six-technician field team and 1,378+ verified five-star reviews.

Published: Last reviewed: