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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

5-Star Rated Tankless Water Heater Installation & Repair in South Pasadena, FL

Expert Tankless Water Heater Installation & Repair Services in  South Pasadena

South Pasadena is a small residential city in central Pinellas County surrounded by St. Petersburg and Gulfport, with a mix of single-family homes and condos built primarily from the 1950s through the 1980s.

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

Licensed plumbers delivering tankless water heater installation and repair in South Pasadena and the Tampa Bay area for over a decade.

Hanging Banner Award
Free Estimates

Whether it’s a small service call or a major job, our team provides clear, upfront pricing to South Pasadena homeowners.

Hanging Banner Reliable
Same Day Services

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

Proudly Serving Homeowners in South Pasadena

Your South Pasadena Neighbors Trust Our Tankless Water Heater Installation & Repair Services Services

Since 2017, Home Therapist Cooling, Heating, and Plumbing has been keeping South Pasadena homes comfortable year-round. Whether you live near South Pasadena City Hall, Galatea Garden, South Pasadena Community Center, Pasadena Avenue Shopping District, or out by South Pasadena Fire Department, our licensed technicians (license CAC1819196) provide same-day tankless water heater installation and 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. South Pasadena weather pushes home systems hard, and when yours stops working, we get there fast and fix it right the first time.

★★★★ 4.8 (1,352 verified reviews)
Verified4.8★ · 1,352 reviews
🛡 FL Licensed: CAC1819196 · CFC1431159💼 $1M General Liability + Workers’ Comp🏠 Family-owned since 2017⚡ Same-day service
★★★★★Heating

My experience went on therapy cooling and heating was excellent they came in the correct my problem and it was so fast and easy I received sister and heating

me me · · Google
★★★★★AC repair

They are very responsive whenever we need their services. We can always count on them to be quick, professional, and affordable. We won't use any other company, and highly recommend A/C Therapist…

Sandra Ramos · · Google
★★★★★Plumbing

Fast within hr of call. And fast service on fix also explained all he was going to do and did. Showed me the outside water meter was,shut off and how it works…

L.D. DeLaRosa · · Google
★★★★★AC repair

This ac repair company was very helpful.He was very honest and knowledgeable.They came after another company flushed my system and it stopped working completely.They are fast and very honest and informative.I give…

Nutasha Funches · · Google
★★★★★

They made the entire process quick and easy from start to finish. Someone was able to come out the same day, and their communication was excellent throughout the whole process. I never…

Ana Rodriguez · · 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
Latest review: June 2026 · auto-refreshed daily

Trusted Tankless Water Heater Installation & Repair Solutions for South Pasadena Homes

Your Trusted Tankless Water Heater Installation & Repair Technicians in South Pasadena

The city’s compact homes and older infrastructure create installation considerations that tankless water heaters solve by eliminating the need for a large tank footprint. Treated municipal water carries mineral content that causes scale in water heaters, and homeowners who have been through multiple tank replacements are ready for a longer-lasting system. The community’s mix of retirees and families values reliable, low-maintenance home systems. Along Pasadena Avenue and near the waterfront on Boca Ciega Bay, South Pasadena homes with limited utility space benefit from compact tankless installations that mount on the wall and free up valuable floor space. In the neighborhoods near Gulfport Boulevard, mid-century homes from the 1950s and 1960s are upgrading to tankless as part of renovation projects.

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.

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

Our Simple Tankless Water Heater Installation & Repair Service Process

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 Tankless Water Heater Installation & Repair specialist arrives on time, ready for a job done right.

+40 (9)
Step 3

Relax and enjoy the comfort of your home!

Comprehensive Tankless Water Heater Installation & Repair Solutions in South Pasadena

Tankless Water Heater Installation & Repair Services in South Pasadena, Florida

Home Therapist installs and repairs tankless water heaters throughout South Pasadena, handling conversions for the city’s older homes with limited space and aging infrastructure. We install compact Rinnai and Rheem electric tankless units sized to match each home’s actual hot water demand. Every installation includes an electrical panel evaluation because most older South Pasadena homes need upgrades to support the dedicated circuits electric tankless requires.

Tankless Water Heater Costs in South Pasadena

Pricing updated April 2026. All prices include equipment, installation, and warranty. Free estimates.

ServicePrice
Tankless Electric (8-13 KW)$1,278 – $1,472
Tankless Electric (14-24 KW)$1,490 – $1,760
Tankless Electric Elite (Stiebel Eltron)$1,960 – $2,860
Tankless Gas (7-9.5 GPM, non-condensing)$2,938 – $3,394
Tankless Gas (condensing)$2,854 – $3,254
Tankless Gas Elite (condensing)$3,360 – $4,660
Tankless Maintenance$279

Tankless Water Heater Installation in South Pasadena, FL

South Pasadena's tight 0.7-square-mile peninsula between Boca Ciega Bay and Pasadena Bayway puts every home in this city in a severe coastal corrosion zone, and the housing stock here is largely 1960s-1980s waterfront condos, mid-rise buildings along Pasadena Avenue South, and single-family homes on the small interior streets like 5th Avenue South and Bahia Vista Drive. Almost every tankless install in ZIP 33707 has to account for both salt-air corrosion and HOA or condo-association rules about exterior penetrations and venting. We handle both for South Pasadena residents.

Call (813) 343-2212 for Your FREE South Pasadena Estimate

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

Three South Pasadena Specifics That Change Our Tankless Water Heater

Severe Salt-Air Corrosion on a Peninsula

South Pasadena's entire footprint sits within 1,500 feet of saltwater on at least one side. Standard tankless heat exchangers and PVC venting installed here see significant corrosion within 4-6 years. For every South Pasadena install we recommend the Rheem Professional Prestige with the corrosion-resistant heat exchanger and we always use sealed-combustion sidewall venting (never garage-air intake) with marine-grade vent terminations to protect the equipment from the salt-air environment.

Condo and HOA Approval for Venting

Most South Pasadena condos and mid-rise buildings along Pasadena Avenue South and Bahia Vista Drive have HOA or condo-association approval requirements for any exterior wall penetration. We provide the venting drawings and product data sheets that your HOA architectural review board needs, attend ARB meetings if required, and coordinate the install timing with building management. The permit application includes the ARB approval letter.

Limited Mechanical Closet Space

Older South Pasadena condos and 1960s-1970s single-family homes off 5th Avenue South often have tiny mechanical closets sized only for the original 40-gallon tank. A tankless mounts on the wall and frees up floor space, but the clearances to combustibles, electrical disconnect, and the gas shutoff have to fit the existing closet. We measure the closet during the FREE estimate and confirm Rheem's clearance specs before quoting.

What Tankless Water Heater Customers Say

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

★★★★★

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 again and will always recommend them. Thank you very much.

★★★★★

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 to connect it due to the existing plastic line.Alejandro truly went the ext...

Coastal Zone Venting Requirements

South Pasadena falls entirely within the 2023 Florida Building Code coastal zone. Sealed-combustion venting with marine-grade terminations is required, condensate drain pans must be installed and routed to approved waste, and any exterior penetration must be properly sealed against wind-driven rain and salt-spray intrusion. We follow these requirements to protect your 12-year Rheem warranty. Anyone quoting a standard install in South Pasadena without coastal-grade protection is risking your warranty.

Want a South Pasadena tankless install quote? Call (813) 343-2212 for a FREE in-home estimate.

South Pasadena Tankless Water Heater Pricing

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

Rheem Performance Value

From $3,485

    Rheem Professional Prestige Elite

    Up to $5,985

      Financing available with $0 down for qualifying applicants. The $279 minimum labor figure applies only to APPROVED repair work on existing equipment, never to a diagnostic visit. Estimates and diagnostics are FREE on every tankless water heater consultation across South Pasadena.

      Ready for Endless Hot Water in South Pasadena?

      Call (813) 343-2212  Schedule Online

      FAQs About Tankless Water Heater Installation & Repair Services in South Pasadena

      Q1. How much does tankless water heater installation cost in South Pasadena?

      Tankless water heater installation in South Pasadena ranges from $2,500 to $4,500 depending on the unit and the electrical work needed. Older homes from the 1950s and 1960s may need panel upgrades that add to the base cost. The compact home sizes often allow for smaller, less expensive units. The monthly savings and 15 to 20-year lifespan make tankless a smart choice for South Pasadena homeowners. Home Therapist provides free written estimates with clear pricing.

      Q2. What are the benefits of a tankless water heater?

      A: Tankless water heaters provide unlimited hot water on demand, are 30 to 50 percent more energy efficient, take up far less space, and last 15 to 20 years compared to 8 to 12 for tank units. In South Pasadena, where standard water and year-round use shorten tank life, going tankless often makes more financial sense long-term. You will never run out of hot water during back-to-back showers, and your Duke Energy bill will reflect the efficiency difference.

      Q3. How much does tankless water heater installation cost in South Pasadena?

      A: Tankless water heater installation in South Pasadena typically costs $2,500 to $5,000 depending on whether it is a gas or electric unit and what modifications are needed. Converting from a tank to tankless may require new gas lines, venting, or electrical work. concrete block homes from the 1950s to 1970s sometimes need minor plumbing upgrades. We provide free estimates and offer financing to make the upgrade affordable for South Pasadena homeowners.

      Q4. What tankless water heater brands do you recommend?

      A: We install and service Rinnai, Navien, Rheem, and Noritz tankless water heaters. For South Pasadena homes with standard water, we often recommend models with built-in scale detection and recirculation features. Florida water generally has moderate mineral content that builds up over time. We match the brand and model to your household size, hot water demand, and budget. All units we install come with a manufacturer warranty and our labor guarantee.

      Q5. How do you maintain a tankless water heater?

      A: Tankless water heaters need annual descaling to remove mineral buildup from the heat exchanger. In South Pasadena, where standard water accelerates scale formation, this maintenance is essential for performance and longevity. Florida water generally has moderate mineral content that builds up over time. The descaling process takes about an hour and uses a vinegar solution pumped through the unit. We also check the inlet filter, ignition system, and venting during service. Skipping maintenance can void the warranty.

      Q6. What size tankless water heater do I need?

      A: Tankless units are sized by flow rate (gallons per minute). A unit providing 8 to 10 GPM handles most South Pasadena households of 2 to 4 people. Larger homes or households that run multiple hot water fixtures simultaneously may need a higher capacity unit or multiple units. In South Pasadena, where incoming water temperature is around 72 degrees, tankless units perform efficiently because the temperature rise needed is lower than in colder climates.

      Q7. Should I get a gas or electric tankless water heater?

      A: Gas tankless units provide higher flow rates and are better for whole-home applications. Electric tankless units are less expensive to install and work well for point-of-use applications like a single bathroom. In South Pasadena, where most concrete block homes have natural gas available, a gas unit is usually the best whole-home solution. If your home is all-electric, modern electric tankless units are a viable option with lower installation costs.

      Q8. How long does a tankless water heater last?

      A: Tankless water heaters last 15 to 20 years with proper maintenance, nearly double the life of a tank unit. The key is annual descaling, especially in South Pasadena where standard water causes mineral buildup. Florida water generally has moderate mineral content that builds up over time. The heat exchanger is the most expensive component, and regular flushing protects it. Many South Pasadena homeowners find the longer lifespan alone justifies the higher upfront cost compared to a tank water heater.

      Q9. Can you retrofit a tankless water heater in an older home?

      A: Yes, we retrofit tankless water heaters in South Pasadena homes of all ages. Older concrete block homes from the 1950s to 1970s may need gas line upgrades, new venting, or electrical panel work. We assess your existing infrastructure during the free estimate and include any necessary modifications in the quote. The retrofit typically takes one day and we handle all Pinellas County permitting.

      Q10. How do I get a tankless water heater estimate in South Pasadena?

      A: Call us at (813) 343-2212 or book online at hometherapist.pro. We provide free in-home estimates for tankless water heater installation and repair throughout South Pasadena, including South Pasadena, Pasadena Estates, Boca Ciega Bay area and all of Pinellas County. We will assess your current setup, recommend the right unit, and give you upfront pricing with financing options.

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      Same-day tankless water heater installation and repair across Tampa Bay

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      ★★★★ 4.8 (1,352 verified reviews)
      Verified4.8★ · 1,352 reviews
      🛡 FL Licensed: CAC1819196 · CFC1431159💼 $1M General Liability + Workers’ Comp🏠 Family-owned since 2017⚡ Same-day service
      ★★★★★Heating

      My experience went on therapy cooling and heating was excellent they came in the correct my problem and it was so fast and easy I received sister and heating

      me me · · Google
      ★★★★★AC repair

      They are very responsive whenever we need their services. We can always count on them to be quick, professional, and affordable. We won't use any other company, and highly recommend A/C Therapist…

      Sandra Ramos · · Google
      ★★★★★Plumbing

      Fast within hr of call. And fast service on fix also explained all he was going to do and did. Showed me the outside water meter was,shut off and how it works…

      L.D. DeLaRosa · · Google
      ★★★★★AC repair

      This ac repair company was very helpful.He was very honest and knowledgeable.They came after another company flushed my system and it stopped working completely.They are fast and very honest and informative.I give…

      Nutasha Funches · · Google
      ★★★★★

      They made the entire process quick and easy from start to finish. Someone was able to come out the same day, and their communication was excellent throughout the whole process. I never…

      Ana Rodriguez · · 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
      Latest review: June 2026 · auto-refreshed daily
      Call (813) 343-2212 Read all 881 on Google
      Reviewed by Alejandro MoralesCo-Owner & FL Certified Plumbing Contractor, Home Therapist

      Alex co-owns Home Therapist Cooling, Heating, and Plumbing and holds the FL Certified Plumbing Contractor license (CFC1431159) earned in 2021. 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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