Avery's Plumbing
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    • Service Areas
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    • Rinnai Code 11
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    • Rinnai Code 16
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    • Rinnai Code 15
    • Rinnai Code 10
    • Rinnai Code 12
Avery's Plumbing
Call now for FAST SERVICE (click here)
  • Home
  • Water heater prices
  • Tankless Water Heaters
  • Tank Water Heaters
  • Old Village Water Heater
  • Isle of Palms WaterHeater
  • Mt Pleasant Water Heater
  • SullivanIslandWaterHeater
  • Daniel Island WaterHeater
  • Service Areas
  • FAQ's
  • Why Us?
  • Coupons
  • No_Service_Fee
  • About
  • Price Conditions
  • Pricing
  • Rinnai Code 11
  • Rinnai Code 65
  • Rinnai Code 16
  • Rinnai Code 14
  • Rinnai Code 15
  • Rinnai Code 10
  • Rinnai Code 12
Call now for FAST SERVICE (click here)

Transparent Pricing on common water heater installations

Tankless Prices

Tankless Swap

$3,650

Swap tankless water heater with tankless water heater  - See conditions here 

Tank to Tankless

$5,800

Convert existing gas water heater to tankless - See conditions here 

Attic to ground floor conversion

$6,850

Relocate water heater from attic to ground floor - See conditions here 


Tank Water Heater Prices

Conventional tank style water heaters

50 Gallon Electric 1st floor replacement

$2,250

Replace existing 50 gallon tank water heater - See conditions here 

50 Gallon Natural Gas 1st floor replacement

$2,570

Replace Existing natural gas tank water heater - See Conditions here

Low Boy Electric water heater replacment

$2,450

Replace 30-40 Gallon low boy water heater - See Conditions here

About Avery's Plumbing

Our Mission

Customer Satisfaction

Our Expertise

At Avery's Plumbing, our mission is to provide reliable, affordable, and top-quality plumbing services to our clients. We believe that everyone deserves access to clean and functioning plumbing, and we're committed to making that a reality for our customers.

Our Expertise

Customer Satisfaction

Our Expertise

With over 27 years of experience in the plumbing industry, our team of experts has seen it all. From minor repairs to major installations, we have the expertise and knowledge to handle any plumbing job.

Customer Satisfaction

Customer Satisfaction

Customer Satisfaction

At Avery's Plumbing, we put our customers first. We work closely with our clients to understand their needs and ensure that they are satisfied with our work. Our goal is to build long-term relationships with our customers, based on trust, reliability, and excellent service.

Tankless Brands

Navien

Tekagi and More

Navien

We install, service and repair Navien tankless water heaters.If you are need of a Navien tankless install or repair on Daniel Island, Mount Pleasant, Isle of Palms, Sullivans Island or any other Charleston county town be sure to give us a try. We WILL solve the issue. 

Rinnai

Tekagi and More

Navien

 

We specialize in the installation, service, and repair of Rinnai tankless water heaters. If you’re looking for a Rinnai tankless installation or need repairs on Daniel Island, Mount Pleasant, Isle of Palms, Sullivan’s Island, or anywhere in Charleston County, we’re ready to help. You can count on us to diagnose the problem and get it resolved — we get it done right.

Tekagi and More

Tekagi and More

Tekagi and More

 We install, service, and repair Takagi tankless water heaters, delivering reliable solutions you can trust. If you need a Takagi tankless installation or repair on Daniel Island, Mount Pleasant, Isle of Palms, Sullivan’s Island, or anywhere in Charleston County, our team is ready to help. In addition to Takagi, we also service other tank

 We install, service, and repair Takagi tankless water heaters, delivering reliable solutions you can trust. If you need a Takagi tankless installation or repair on Daniel Island, Mount Pleasant, Isle of Palms, Sullivan’s Island, or anywhere in Charleston County, our team is ready to help. In addition to Takagi, we also service other tankless brands including Eternal and Bosch. No matter the brand, we’ll identify the issue and make sure it’s fixed properly. 

Reliable Plumbing Services for Your Business

Tankless swap

 

Tankless Water Heater Replacement – $3,650

We can replace your existing tankless water heater for a total price of $3,650, subject to the following conditions:

  • Existing gas, water, venting, and electrical connections are code-compliant and reusable
     
  • No relocation of the unit or modification to venting, gas line sizing, or condensate drainage is required
     
  • Adequate gas supply is already present at the unit location
     
  • Permit fees and standard inspection are included (if applicable — remove if not)
     
  • Price includes removal and disposal of the existing unit
     
  • Replacement is a like-for-like installation during normal business hours
     
  • Any unforeseen code upgrades, access issues, or hidden conditions are excluded and would be discussed prior to proceeding
     

This price reflects a straightforward swap with no surprises. If additional work is required, we will clearly explain the reason and provide pricing before any work is performed.

Tank to tankless conversion

 

Tank to Tankless Water Heater Conversion (Garage Installation)

We can convert your existing tank-style water heater to a tankless system installed in the garage. Pricing is based on the following conditions and assumptions:

  • Existing tank water heater is located in the garage
     
  • New tankless unit will be installed in the same general location
     
  • Gas line is accessible and can be upsized as required to meet manufacturer specifications
     
  • Electrical outlet is available or can be added nearby for the tankless unit
     
  • Venting will be converted to approved tankless venting through an exterior wall or roof, as required
     
  • Condensate drain can be installed to an approved location
     
  • No structural modifications are required (framing, drywall repair beyond minor penetrations excluded)
     
  • Permit and standard inspection included (if applicable)
     
  • Removal and disposal of existing tank water heater included
     
  • Installation performed during normal business hours
     

Exclusions / Additional Costs May Apply If:

  • Gas meter or service upgrade is required
     
  • Electrical panel upgrades are needed
     
  • Long vent runs, roof penetrations, or specialty venting are required
     
  • Garage does not meet current combustion air or clearance requirements
     
  • Unforeseen code issues or concealed conditions are discovered
     

Any additional work required outside of the above scope will be clearly explained and priced before proceeding.

Sewer Line Repair

Sewer line problems can be complex and disruptive to your business. Our team has the expertise to diagnose and repair sewer line issues quickly and efficiently, minimizing downtime for your business.

Emergency Plumbing

Plumbing emergencies can happen at any time, and we understand that you need a fast response to minimize damage and downtime. That's why we offer 24/7 emergency service for our commercial clients.

Plumbing Maintenance

Regular plumbing maintenance can help prevent costly repairs and downtime for your business. Our team can help you keep your plumbing system in top condition with our maintenance services.

Gas Line Installation

If your business needs a new gas line installed, our team can help. We have the expertise to safely install gas lines for a variety of applications, including commercial kitchens and industrial equipment.

  • Water heater prices
  • Tankless Water Heaters
  • Old Village Water Heater
  • Isle of Palms WaterHeater
  • Mt Pleasant Water Heater
  • SullivanIslandWaterHeater
  • Daniel Island WaterHeater
  • FAQ's
  • Why Us?
  • Coupons
  • No_Service_Fee
  • About
  • Privacy Policy
  • Pricing

Avery & Sons Plumbing + Tankless

1501 Belle Isle Avenue, Mount Pleasant, SC, USA (Office) 460 Seven Farms Dr , Daniel Island, SC (Shop)

8433055555

Copyright © 2026 Avery & Sons Plumbing + Tankless - All Rights Reserved.

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