★★★★★
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!
Keystone is one of the more unique communities in Hillsborough County, blending semi-rural acreage properties with horse farms and larger custom-built homes that do not fit the typical suburban replacement profile. Many Keystone properties have longer refrigerant line runs because condensers are positioned farther from the main structure, and some homes have been expanded over the years with additions that were never properly integrated into the original AC system.
Licensed HVAC technicians delivering expert AC replacement in Keystone and the Tampa Bay area for over a decade.
Licensed (CAC1819196), Bonded & Insured.Whether it’s a small leak or a major AC repair, our team provides clear, upfront pricing to Keystone homeowners.
AC problems can’t wait , that’s why we guarantee fast response and same-day service for Keystone residents.
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 replacement 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.
★★★★★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…
★★★★★They have a quick response time and are easy to communicate with. The service was done well, and Alejandro was very friendly and professional.
★★★★★MaintenanceI use the Home Therapists for routine maintenance on my ac unit and water unit. The service is affordable and they do a good job providing routine maintenance to prevent big problems…
★★★★★Water heaterThis company handles my AC maintenance and i purchased a brand new water heater as well. They are excellent. Very responsive and thorough. I’ve had the same technician always coming to the…
★★★★★AC repairDusty 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!
★★★★★PlumbingI 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…
★★★★★AC repairAmazing 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,…
★★★★★Water heaterAs 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…
★★★★★PlumbingA 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…
Homes along Gunn Highway range from 1970s ranch-style builds to custom construction from the 2000s, and each era brings its own replacement challenges. The larger lot sizes and mature tree canopy help with shading but also create higher ambient humidity around the property. Along Gunn Highway and the roads branching off toward Keystone Recreation Center, established homes on one to five acre lots frequently have R-22 systems that were oversized from the start and are now expensive to maintain. Near the equestrian properties and the rural corridors south of the Suncoast Parkway, custom-built homes with non-standard layouts require replacement plans tailored to their unique mechanical configurations.

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.

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.

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.

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.
Your AC Replacement specialist arrives on time, ready for a job done right.
Relax and enjoy the comfort of your home!
Keystone AC replacement projects often involve custom solutions because the homes and properties here do not follow a cookie-cutter suburban layout. We perform a Manual J load calculation on every Keystone replacement, and the variety of construction styles means the results can differ dramatically from one property to the next. Larger homes on acreage frequently need multi-system configurations or higher-capacity equipment to cover 2,500 to 4,000 square feet effectively.
Last updated: April 2026
Pricing updated April 2026. All AC replacement prices include equipment removal, new installation, labor, permits, and warranty. Free in-home estimates. Financing available.
| Service | Price |
|---|---|
| Value Tier (Goodman, standard efficiency) | $6,500 – $8,500 |
| Premium Tier (Goodman, high efficiency) | $8,500 – $11,000 |
| Elite Tier (Daikin, top efficiency) | $11,000 – $14,000+ |
| Thermostat Upgrade (add-on) | $349 – $899 |
| Ductwork Replacement (if needed, per drop) | $599 – $799 |
Keystone is a low-density 33556 rural-residential area built between 1995 and 2012 where original heat pumps from the first build wave are now hitting end-of-life and well-water scaling has aged indoor coils. We install Goodman (Value tier $6,400 to $7,400) and Daikin Fit (Elite tier $13,400 to $15,400) with corrosion-resistant pans and FBC 1609 hurricane straps. FREE in-home estimate. FREE diagnosis on every visit.
Call (813) 343-2212 for Your FREE Keystone Estimate
Licensed CAC1819196 (HVAC) | CFC1431159 (Plumbing) | 1,300+ Five-Star Reviews
Keystone 33556 rural well water at 13 to 15 grains hardness scales heat pump indoor coil fins and condensate drain pans within 2 to 3 years. We default to corrosion-resistant pan upgrade on every Steeplechase and Eagle Trace install and strongly recommend pairing replacement with Rheem or Halo whole-home softener install ($1,400 to $2,200) to prevent scaling on the new system. Annual indoor coil flushing pairs with the system to extend service life.
Corrosion-resistant pan plus softener pairing on Keystone wells.
Keystone 33556 original heat pumps installed during the 1995 to 2005 first build wave are now 20 to 30 years old, well past typical 15-year heat pump life. We are seeing 5 to 8 Steeplechase, Eagle Trace, and Stillwater replacements per month in 33556 as this wave hits end-of-life. R-454B 2026 transition is the catalyst for planned replacement.
Keystone first-wave heat pump cycle is replacing now.
Keystone falls inside the FBC 2023 wind zone with 130 to 140 mph design wind speeds across Hillsborough County. Outdoor condensers must be hurricane-strapped to a code-compliant concrete pad with manufacturer-specified anchors. We bring engineered pads, stainless hurricane straps, and pull the Hillsborough County permit at the Land Use Hub on Falkenburg Road on every Keystone install.
FBC 1609 hurricane straps plus Hillsborough permit included on every install.
Direct answers to the most-asked questions. Each answer is 40-60 words, factual, and local.
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!
— Dalton Grados · Verified Google Review
★★★★★
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...
— Kat · Verified Google Review
Effective January 1, 2026, every residential AC sold in the United States ships with R-454B refrigerant instead of R-410A. R-454B has a 78 percent lower global warming potential and is mildly flammable (A2L), which requires updated installer training, leak detection sensors on indoor air handlers, and refrigerant line set diameters sized to the new specification. Every Keystone AC replacement we do uses R-454B compliant Goodman or Daikin equipment installed to ASHRAE 15.2 standard.
Old heat pump at end-of-life in your Keystone home? Call (813) 343-2212 for a FREE in-home estimate. We run the real numbers on Goodman Value, Daikin Elite, and softener pairing options at your 33556 address.
All projects include FREE in-home estimate, FREE diagnosis on existing equipment, and our 1-year parts & labor warranty.
From $6,400
Up to $15,400
$0 down financing for qualified applicants. TECO Energy rebates $300 to $450 per ton on qualifying high-efficiency installs in Keystone. IRA HEEHRA federal credit up to $2,000 on heat pump models meeting CEE Tier 2.
No diagnostic fee. No surprise add-ons. The price you see in writing is what you pay.
Call (813) 343-2212 Schedule Online
Licensed CAC1819196 (HVAC) | CFC1431159 (Plumbing) | Serving Keystone since 2017
Keystone replacement costs reflect the area’s larger homes and non-standard layouts. Standard replacements start at $6,500 for a Goodman Value system in smaller ranch homes. Most Keystone homeowners invest between $8,000 and $15,000 because the larger square footage requires bigger equipment and the extended refrigerant line runs common on these properties add to material costs. Multi-system installations for homes over 3,000 square feet can reach $16,000 to $20,000 depending on configuration. Properties with additions that were never properly integrated into the original AC system should budget for ductwork modifications as part of the replacement project.
A: The clearest signs are frequent breakdowns, rising TECO bills, uneven cooling, and a system older than 12 to 15 years. In Keystone, where mixed (ranch homes on acreage, newer builds) homes from the 1970s to 2010s (mixed) put heavy demand on AC systems, most units are 10-20 years old and nearing end of life. probably runs on R-22 refrigerant which is no longer manufactured and very expensive to recharge. If your repair costs have passed the $5,000 rule (age times repair cost), replacement saves money in the long run. Our technicians will inspect your current system and give you an honest recommendation.
A: Sizing is based on square footage, insulation, window count, ductwork condition, and layout. The rough guide is 1 ton per 500 square feet in Florida, but that changes depending on your home. In Keystone, where mixed (ranch homes on acreage, newer builds) homes from the 1970s to 2010s (mixed) often have older insulation and single-pane windows, an undersized unit runs nonstop and an oversized unit short-cycles and creates humidity problems. We perform a Manual J load calculation to get the right size for your Keystone home.
A: Most AC replacements in Keystone are completed in one day, typically 6 to 10 hours. mixed (ranch homes on acreage, newer builds) homes from the 1970s to 2010s (mixed) usually have straightforward access to the air handler and condenser pad. If we need to modify ductwork, add a new return, or relocate equipment, it can take a second day. We schedule work to minimize disruption and always clean up before we leave.
A: We install Goodman as our Value and Premium tier and Daikin as our Elite tier. Both are well-suited for Keystone’s heat, humidity, and inland heat and dust. Goodman delivers excellent reliability at a competitive price point, while Daikin provides top-tier efficiency that pays for itself through lower TECO bills. We help Keystone homeowners choose the right match for their budget, home size, and cooling needs.
A: Yes, significantly. Upgrading from a 10 SEER unit to a 16 SEER2 system can reduce cooling costs by 30 to 40 percent. For a typical Keystone home on TECO, that means $600 to $1,200 in annual savings. mixed (ranch homes on acreage, newer builds) homes from the 1970s to 2010s (mixed) with older, inefficient systems see the biggest impact. With Florida AC running 8 to 10 months a year, the efficiency upgrade pays for itself within 5 to 7 years.
A: Yes, we offer flexible financing options for Keystone homeowners including 0 percent interest for qualified buyers, low monthly payments, and terms up to 72 months. We work with multiple lenders to find an option that fits your budget. No one in Keystone should have to suffer through a Florida summer because of upfront costs. Call (813) 343-2212 to discuss your options.
A: AC replacement means removing your existing system and putting in a new one. Installation can refer to a brand-new system in new construction or an addition where no system existed. In Keystone, most of our work is replacement since homes from the 1970s to 2010s (mixed) already have ductwork and infrastructure in place. Replacement is typically faster and less expensive because we use the existing connections and pad.
A: Yes, AC replacements in Keystone require a Hillsborough County building permit and inspection. We handle all permitting paperwork as part of the job. Our HVAC license (CAC1819196) is current and in good standing with the state of Florida. Skipping the permit can void your manufacturer warranty and create issues when you sell your home.
A: A properly installed and maintained AC system in Florida lasts 12 to 18 years. Keystone’s heat, humidity, and inland heat and dust are hard on equipment, so regular maintenance is key. We offer maintenance plans with two tune-ups per year, priority scheduling, and member discounts. Keystone homeowners in Gunn Highway, Keystone Road, Van Dyke Road and across Hillsborough County trust us to keep their new systems running as long as possible.
A: Yes, we install AC at every Keystone address in ZIP 33556, including Steeplechase, Eagle Trace, and Stillwater near Lake Keystone, the Suncoast Trail, and Brooker Creek Preserve. Average response time runs 35 minutes from our Tampa shop via Suncoast Parkway north to Lutz-Lake Fern Road west. We install only Goodman and Daikin.
A: Same-day AC replacement in Keystone is possible if the Goodman or Daikin unit is in stock at our local supplier and the existing ductwork meets code for a direct swap. For permit-required full installs, we typically pull the Hillsborough County mechanical permit within 1 business day and install within 5 to 7 days at your 33556 address.
A: At 25 years your heat pump is past end-of-life. For a 2,000 sq ft Steeplechase home with 14-grain well water, Goodman Value at $6,400 to $7,400 with corrosion-resistant pan paired with Rheem or Halo softener install ($1,400 to $2,200) breaks the scaling cycle. For 2,400-plus sq ft, Daikin Fit Elite at $13,400 to $15,400 pays back through 25 to 35 percent TECO Energy bill reduction. IRA HEEHRA credit up to $2,000 applies. FREE estimate compares the math.
A: Yes. Hillsborough County requires a mechanical permit on any AC replacement in Keystone. We pull the permit at the Land Use Hub on Falkenburg Road, schedule the inspection, and meet the inspector at your 33556 address. Keystone falls inside the FBC 2023 wind zone (130 to 140 mph) so condenser pads require hurricane straps. We honor Goodman, Daikin, Carrier, Lennox, and Trane manufacturer warranties when we install or service the equipment, plus a 1-year parts and labor warranty on every install.
A: The estimate is genuinely FREE in Keystone. We do not charge a diagnostic fee, a rural trip charge, or a service-call fee for replacement visits in 33556. The $279 minimum applies only to APPROVED repair labor on REPAIR work, not replacement estimates. We provide written fixed-price quotes for Goodman Value, Daikin Elite, and softener pairing options at no obligation.
Same-day ac replacement across Tampa Bay
★★★★★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…
★★★★★They have a quick response time and are easy to communicate with. The service was done well, and Alejandro was very friendly and professional.
★★★★★MaintenanceI use the Home Therapists for routine maintenance on my ac unit and water unit. The service is affordable and they do a good job providing routine maintenance to prevent big problems…
★★★★★Water heaterThis company handles my AC maintenance and i purchased a brand new water heater as well. They are excellent. Very responsive and thorough. I’ve had the same technician always coming to the…
★★★★★AC repairDusty 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!
★★★★★PlumbingI 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…
★★★★★AC repairAmazing 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,…
★★★★★Water heaterAs 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…
★★★★★PlumbingA 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…
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.
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