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★★★★★ 4.8 · 1,300+ reviews
Lic. CAC1819196 · CFC1431159
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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
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Years of Experience

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

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Free Estimates

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

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Same Day Services

Home service problems can’t wait, that’s why we answer 24/7, and same-day service is often available 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 more than 12,000 jobs across Tampa Bay since 2020, earned 1,300+ five-star reviews, and our trucks carry parts for most major brands, including Carrier, Trane, Lennox and Rheem. 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 (1,407 verified reviews)
Verified4.8★ · 1,407 reviews
🛡 FL Licensed: CAC1819196 · CFC1431159💼 $1M General Liability + Workers’ Comp🏠 Family-owned since 2017⚡ Same-day service
★★★★★

Roberto was excellent, very thorough and did such a beautiful job!

Sloane Wilkins · · Google
★★★★★Plumbing

I have wonderful experience with home therapist. They did a whole plumbing project for me at my business location a year ago. Everything is wonderful up to this day. Lester did an…

Mariia Shevchenko · · Google
★★★★★

When my HVAC unit needed to be replaced, I chose this company based off of their reviews and the fact they offer a free estimate. I am very happy with my decision.…

Christine · · Google
★★★★★

Had a great experience with Home Therapist. They worked with me to stay within a budget, they communicated great, and they got the job done when they said they would. Will use…

Max Findreng · · Google
★★★★★

Archer was super nice and was very helpful in explaining the process. No gimmicks and pure professionalism. They were super responsive and it was easy to get a hold of them to…

Nina Seely · · Google
★★★★★Plumbing

Hi I'm Wyatt, My experience with Home Therapist's plumber(Lester) was great. He came weeks earlier & gave a fair quote. Several others' left larger quotes with exaggerated upgrades; a few seems smug…

CLEANE CUT · · Google
★★★★★Plumbing

Jandiel did a great job. Very professional and got the job done quick. He also gave me great information on using my unit in the hotter months to prevent my unit from…

Jacinda&Chris · · Google
★★★★★Water heater

I had a great experience with Home Therapist Cooling, Heating, and Plumbing. We were getting our house ready to sell and the home inspection identified several plumbing issues that needed to be…

Manny Velasquez · · Google
★★★★★AC install

I was in need of air conditioning for my detached garage. My AI search for the most trustworthy mini-split AC installer led me to Home Therapist; my expectations were exceeded. Scheduling a…

Ricardo Gonzalez, M.D. · · Google
Latest review: October 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
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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.

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.

Our Simple Tankless Water Heater Installation & Repair Service Process

By Your Side at Every Step
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Step 1
Call us or book online,we’ll handle the details hassle-free!
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Step 2

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

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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 Rheem (Premium) and Stiebel Eltron (Elite) 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 October 2026 from our price book. Prices include equipment, installation and the manufacturer warranty; the permit fee is billed separately. Free estimates.

ServicePrice
Tankless Electric Premium (Rheem, 8-13 KW)$1,369 – $1,579
Tankless Electric Premium (Rheem, 18-36 KW)$1,889 – $2,260
Tankless Electric Elite (Stiebel Eltron)$2,107 – $3,075
Tankless Gas Premium (Rheem Performance Plus, 7-9.5 GPM)$3,158 – $3,823
Tankless Gas Premium (Rheem Performance Platinum, condensing)$3,928 – $4,371
Tankless Gas Elite (Navien condensing)$3,935 – $5,010
Tankless Descale and Flush$89

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 condensing Navien (Elite) and we always use sealed-combustion sidewall venting (never garage-air intake) with stainless 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.

Orlienski Perez · Verified Google Review

★★★★★

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..

Thomas Jones · Verified Google Review

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 a FREE in-home estimate and FREE diagnosis on existing equipment. Rheem is our Premium line; Navien (gas) and Stiebel Eltron (electric) are our Elite line.

Rheem Gas Tankless (Premium)

From $3,158

  • Rheem Performance Plus (non-condensing) or Performance Platinum (condensing), $3,158 to $4,371
  • 7 to 9.5 GPM, natural gas or propane
  • 12-year heat exchanger and 5-year parts warranty from Rheem
  • 2-year Home Therapist labor warranty
  • Isolation valves included for easy yearly descaling
  • We pull the permit; the permit fee is billed separately

Navien Gas Tankless (Elite)

Up to $5,010

  • Navien NPE condensing, 10.1 to 11.1 GPM, from $3,935
  • NPE-A2 models add a built-in recirculation pump, $4,150 to $5,010
  • 5-year heat exchanger and 3-year parts warranty from Navien
  • 2-year Home Therapist labor warranty
  • Isolation valves and flushing kit included
  • We pull the permit; the permit fee is billed separately

Rheem Electric Tankless (Premium)

From $1,369

  • Rheem Performance electric, 8 to 36 kW, $1,369 to $2,260
  • Up to about 7 GPM on the 36 kW model
  • 5-year heat exchanger and 1-year parts warranty from Rheem
  • 1-year Home Therapist labor warranty
  • We check your breaker panel size at the FREE estimate

Stiebel Eltron Electric Tankless (Elite)

Up to $3,075

  • Stiebel Eltron Tempra Plus, 12 to 36 kW, from $2,107
  • Up to about 7 GPM on the 36 kW model
  • 7-year heat exchanger and 3-year parts warranty from Stiebel Eltron
  • 2-year Home Therapist labor warranty
  • We check your breaker panel size at the FREE estimate

Financing available with $0 down for qualifying applicants. 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 $1,369 (electric) to $5,010 (gas) depending on the unit, and any electrical work needed is quoted in writing. 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 longer 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 usually outlast a tank when descaled every year. 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 $1,369 (electric) to $5,010 (gas), depending on whether it is a gas or electric unit and whether you pick our Premium (Rheem) or Elite (Navien gas, Stiebel Eltron electric) line; any modifications are quoted in writing. 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 every tankless brand, including Rinnai, Navien, Rheem and Noritz; Rheem (Premium) and Navien (Elite) are our preferred gas lines and Stiebel Eltron our Elite electric line. 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 usually outlast a tank unit with proper maintenance. 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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Recent work in South Pasadena

Real visits our licensed technicians completed in South Pasadena. Every job starts with a FREE estimate and FREE diagnosis.

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 Hillsborough, Pinellas and Pasco counties with a four-technician field team and 1,300+ customer reviews averaging 4.8 stars.

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