Submit Your Energy Efficiency Rebate

Terms and Conditions

UPGRADE to .82 or higher UEF Storage Tank Water Heater, Whole House Unit: $200
UPGRADE to .90 or higher TE Condensing Tank Water Heater, Whole House Unit: $200
UPGRADE to .87 or higher UEF Tankless Water Heater, Whole House Unit: $300

Program runs January 1, 2024 – December 31, 2025. Rebate applies to a qualifying new high efficiency natural gas water heater purchased from an authorized retailer and installed by a Tennessee contractor licensed and certified to install natural gas water heaters. This offer is only valid for existing residential customers who have a current gas account in good standing with Chattanooga Gas Company (“Chattanooga Gas”)(“customer”). Rebate applies to the replacement of an existing natural gas water heater with an existing energy efficiency rating less than .82 Uniform Energy Factor (UEF) with a new appliance of the following: a new natural gas storage tank water heater with an UEF rating that is equal to or greater than .82, a new natural gas condensing tank water heater with a Thermal Efficiency (TE) rating that is equal to or greater than .90, or a new natural gas tankless water heater with an UEF rating that is equal to or greater than .87. Qualified water heaters are whole house units that supply hot water to an entire dwelling. Hybrid water heaters with both a tank and tankless unit are considered one appliance. Rebate value not to exceed the total cost of the natural gas equipment plus the cost of installation. Installation must be completed in compliance with all applicable laws, regulations and building codes imposed by federal, state, and local authorities. Online rebate claim must be submitted within 45 days of installation of qualifying product. Supporting documentation must be submitted within 45 days of installation of qualifying product. No exceptions. Customers or HVAC dealers are responsible for submitting the rebate claim directly to Chattanooga Gas within the timeframe established for the program. There is a limit of one Chattanooga Gas EE water heater rebate in a ten-year period per service address, and this rebate cannot be combined with any other Chattanooga Gas offers or incentives. Offer valid for existing customers at residential service addresses in the Chattanooga Gas service territory that were already using natural gas for water heating. Offer not valid for new construction. Employees of Chattanooga Gas, dealers and retailers are eligible to participate in this offer so long as they meet all other criteria. Please allow at least eight weeks after your completed claim (including supporting documentation as required per offer) is received for your rebate to be processed. Rebates will be fulfilled via a check paid in U.S. dollars. Chattanooga Gas is not responsible for lost, late, damaged, postage due, misdelivered, or misdirected mail and incomplete or illegible submissions. All entries become the property of Chattanooga Gas upon submission. Chattanooga Gas reserves the right to suspend, modify, withdraw or terminate this offer and/or the program at any time upon reasonable notice posted on our website at chattanoogagas.com or by informing our retail and dealer partners and providing documentation that clearly communicates end dates for purchases. You must provide all the information requested in the online submission form and deliver supporting documentation as required in order to be eligible, including a copy of proof of purchase (receipt or invoice) and proof of installation (work order or receipt). Incomplete entries will not be processed and will not be returned. Chattanooga Gas reserves the right to substantiate sales receipts, serial numbers, and installation information, and to request additional documentation. Physical inspection for verification of claims may be required. Product may not be returned for full purchase price once the rebate has been fulfilled. If a rebate check is not cashed within 90 days of check date, the rebate offer expires for such submission. By submitting a claim, you consent to our collection, use and disclosure of the information contained in it, together with any information you may subsequently provide to us, to any person or entity for the purpose of processing this form or responding to your requests and for internal business purposes in accordance with our privacy policy. Our use of your information is governed by our privacy policy that can be found at chattanoogagas.com. To check the status of your rebate, email cgcrebates@southernco.com. Chattanooga Gas is in no way responsible for the selection, installation, quality of installation, or quality of natural gas appliance for which you submit a rebate claim. Any concerns regarding installation should be directed to your installer, and any concerns regarding natural gas appliances or equipment should be directed to the manufacturer, retailer, or dealer from which you purchased the appliance. Keep a copy of your rebate submission for future reference. Rebate claims may only be submitted by individuals above the age of majority in the State of Tennessee. Offer void where prohibited by law.

Terms and Conditions

UPGRADE to 92% to 94.9% AFUE Furnace: $300
UPGRADE to 95% or higher AFUE Furnace: $400

Program runs January 1, 2024 – December 31, 2025. Rebate available to new and existing customers (as defined below): rebate applies to a qualifying new high efficiency natural gas furnace purchased from an authorized retailer and installed by a Tennessee contractor licensed and certified to install natural gas furnaces. This offer is only valid for existing residential customers who have a current gas account in good standing with Chattanooga Gas Company (“Chattanooga Gas”)(“customer”). Rebate available for replacing an existing natural gas furnace with an Annual Fuel Utilization Efficiency (AFUE) rating less than 92% with a new natural gas furnace with an AFUE rating that is equal to or greater than 92%. Dual Fuel Systems do not qualify. Installation must be completed in compliance with all applicable laws, regulations and building codes imposed by federal, state, and local authorities. Online rebate claim must be submitted within 45 days of installation of qualifying product. Supporting documentation must be submitted within 45 days of installation of qualifying product. No exceptions. Customers or HVAC dealers are responsible for submitting the rebate claim directly to Chattanooga Gas within the timeframe established for the program. There is a limit of one Chattanooga Gas rebate per installed appliance. There is a limit of two Chattanooga Gas energy efficiency furnace rebates in a ten-year period per service address, and this rebate cannot be combined with any other Chattanooga Gas offers or incentives. Offer valid for existing customers at residential service addresses in the Chattanooga Gas service territory that were already using natural gas for space heating. Offer not valid for customers in new construction. Employees of Chattanooga Gas, dealers, and retailers are eligible to participate in this offer so long as they meet all other criteria. Please allow at least eight weeks after your completed claim (including supporting documentation as required per offer) is received for your rebate to be processed. Rebate will be fulfilled via a check paid in U.S. dollars. Chattanooga Gas is not responsible for lost, late, damaged, postage due, misdelivered, or misdirected mail and incomplete or illegible submissions. All entries become the property of Chattanooga Gas upon submission. Chattanooga Gas reserves the right to suspend, modify, withdraw or terminate this offer and/or the program at any time upon reasonable notice posted on our website at chattanoogagas.com or by informing our retail and dealer partners and providing documentation that clearly communicates end dates for purchases. You must provide all the information requested in the online submission form and deliver supporting documentation as required in order to be eligible, including a copy of proof of purchase (receipt or invoice) and proof of installation (work order or receipt). Incomplete entries will not be processed and will not be returned. Chattanooga Gas reserves the right to substantiate sales receipts, serial numbers, and installation information, and to request additional documentation. Physical inspection for verification of claims may be required. Product may not be returned for full purchase price once the rebate has been fulfilled. If a rebate check is not cashed within 90 days of check date, the rebate offer expires for such submission. By submitting a claim, you consent to our collection, use and disclosure of the information contained in it, together with any information you may subsequently provide to us, to any person or entity for the purpose of processing this form or responding to your requests and for internal business purposes in accordance with our privacy policy. Our use of your information is governed by our privacy policy that can be found at chattanoogagas.com. To check the status of your rebate, email cgcrebates@southernco.com. Chattanooga Gas is in no way responsible for the selection, installation, quality of installation, or quality of natural gas appliance for which you submit a rebate claim. Any concerns regarding installation should be directed to your installer, and any concerns regarding natural gas appliances or equipment should be directed to the manufacturer, retailer, or dealer from which you purchased the appliance. Keep a copy of your rebate submission for future reference. Rebate claims may only be submitted by individuals above the age of majority in the State of Tennessee. Offer void where prohibited by law.

Terms and Conditions

UPGRADE to .67 or higher TE Storage Tank Water Heater, input capacity <= 75 MBTUH, tank size <=55 gallons: $50
UPGRADE to .88 or higher TE Storage Tank Water Heater, input capacity <= 75 MBTUH: $100
UPGRADE to .90 or higher TE and 200 MBH or less Tankless Water Heater: $1 per MBH

Program runs January 1, 2024 – December 31, 2025. Rebate available to new and existing customers (as defined below): rebate applies to a qualifying new energy efficient natural gas water heater purchased from an authorized retailer and installed by a Tennessee contractor licensed and certified to install natural gas water heaters. This offer is only valid for existing commercial customers who have a current gas account on a commercial rate as defined in the Chattanooga Gas Company (“Chattanooga Gas”) tariff (“customer”). Account must be in good standing with Chattanooga Gas. This offer is for replacing an existing natural gas water heater with an energy efficiency rating less than .67 Thermal Efficiency (TE) with one of the following: storage tank water heater with an input capacity <= 75 MBTUH and with a rating that is equal to or greater than .67 TE and with a tank size that is <= 55 gallons, a new natural gas condensing tank water heater with an input capacity >= 75 MBTUH and with a rating that is equal to or greater than .88 TE, a new natural gas tankless water heater 200 MBH or less and with a rating that is equal to or greater than .90 TE. Rebate amount is determined by the input capacity of the natural gas water heater. Installation must be completed in compliance with all applicable laws, regulations and building codes imposed by federal, state, and local authorities. Online rebate claim must be submitted within 45 days of installation of qualifying product. Supporting documentation must be submitted within 45 days of installation of qualifying product. No exceptions. Customers are responsible for submitting the rebate claim directly to Chattanooga Gas within the timeframe established for the program. There is a limit of one Chattanooga Gas rebate per installed appliance, and rebate cannot be combined with any other Chattanooga Gas offers or incentives. Hybrid water heaters with both a tank and tankless unit are considered one appliance. Rebate value not to exceed the total cost of the natural gas equipment plus the cost of installation. There is a limit of $1K in Chattanooga Gas energy efficiency water heater rebates in a ten-year period per service address. Offer valid for existing customers at commercial service addresses in the Chattanooga Gas service territory that were already using natural gas for water heating. Offer not valid for customers in new construction. Please allow at least eight weeks after your completed claim (including supporting documentation as required per offer) is received for your rebate to be processed. Chattanooga Gas is not responsible for lost, late, damaged, postage due, misdelivered, or misdirected mail and incomplete or illegible submissions. All entries become the property of Chattanooga Gas upon submission. Chattanooga Gas reserves the right to suspend, modify, withdraw or terminate this offer and/or the program at any time upon reasonable notice posted on our website at chattanoogagas.com or by informing our retail and dealer partners and providing documentation that clearly communicates end dates for purchases. You must provide all the information requested in the online submission form and deliver supporting documentation as required in order to be eligible, including a copy of proof of purchase (receipt or invoice) and proof of installation (work order or receipt). Incomplete entries will not be processed and will not be returned. Chattanooga Gas reserves the right to substantiate sales receipts, serial numbers, and installation information, and to request additional documentation. Physical inspection for verification of claims may be required. Product may not be returned for full purchase price once the rebate has been fulfilled. Rebate will be fulfilled via a check paid in U.S. dollars to the customer. Installers are not eligible to receive commercial rebates. If a rebate check is not cashed within 90 days of check date, the rebate offer expires for such submission. By submitting a claim, you consent to our collection, use and disclosure of the information contained in it, together with any information you may subsequently provide to us, to any person or entity for the purpose of processing this form or responding to your requests and for internal business purposes in accordance with our privacy policy. Our use of your information is governed by our privacy policy that can be found at chattanoogagas.com. To check the status of your rebate, email cgcrebates@southernco.com. Chattanooga Gas is in no way responsible for the selection, installation, quality of installation, or quality of natural gas appliance for which you submit a rebate claim. Any concerns regarding installation should be directed to your installer, and any concerns regarding natural gas appliances or equipment should be directed to the manufacturer, retailer, or dealer from which you purchased the appliance. Keep a copy of your rebate submission for future reference. Rebate claims may only be submitted by individuals above the age of majority in the State of Tennessee. Offer void where prohibited by law.

Terms and Conditions

UPGRADE to .92 or higher AFUE Furnace: $300
UPGRADE to .95 or higher AFUE Furnace: $400

Program runs January 1, 2024 – December 31, 2025. Rebate available to new and existing customers (as defined below): rebate applies to a qualifying new energy efficient natural gas furnace purchased from an authorized retailer and installed by a Tennessee contractor licensed and certified to install natural gas furnace equipment. This offer is only valid for existing commercial customers who have a current gas account on a commercial rate as defined in the Chattanooga Gas Company (“Chattanooga Gas”) tariff (“customer”). Account must be in good standing with Chattanooga Gas. This offer is for replacing an existing natural gas furnace with an energy efficiency rating less than .92 Annual Fuel Utilization Efficiency (AFUE) with a new natural gas furnace with a rating that is equal to or greater than .92 AFUE. Dual Fuel Systems do not qualify. Installation must be completed in compliance with all applicable laws, regulations and building codes imposed by federal, state, and local authorities. Online rebate claim must be submitted within 45 days of installation of qualifying product. Supporting documentation must be submitted within 45 days of installation of qualifying product. No exceptions. Customers are responsible for submitting the rebate claim directly to Chattanooga Gas within the timeframe established for the program. There is a limit of one Chattanooga Gas rebate per installed appliance, and rebate cannot be combined with any other Chattanooga Gas offers or incentives. Rebate value not to exceed the total cost of the natural gas equipment plus the cost of installation. There is a limit of two Chattanooga Gas energy efficiency furnace rebates in a ten-year period per service address. Offer valid for existing customers at commercial service addresses in the Chattanooga Gas service territory that were already using natural gas for water heating. Offer not valid for customers in new construction. Please allow at least eight weeks after your completed claim (including supporting documentation as required per offer) is received for your rebate to be processed. Chattanooga Gas is not responsible for lost, late, damaged, postage due, misdelivered, or misdirected mail and incomplete or illegible submissions. All entries become the property of Chattanooga Gas upon submission. Chattanooga Gas reserves the right to suspend, modify, withdraw or terminate this offer and/or the program at any time upon reasonable notice posted on our website at chattanoogagas.com or by informing our retail and dealer partners and providing documentation that clearly communicates end dates for purchases. You must provide all the information requested in the online submission form and deliver supporting documentation as required in order to be eligible, including a copy of proof of purchase (receipt or invoice) and proof of installation (work order or receipt). Incomplete entries will not be processed and will not be returned. Chattanooga Gas reserves the right to substantiate sales receipts, serial numbers, and installation information, and to request additional documentation. Physical inspection for verification of claims may be required. Product may not be returned for full purchase price once the rebate has been fulfilled. Rebate will be fulfilled via a check paid in U.S. dollars to the customer. Installers are not eligible to receive commercial rebates. If a rebate check is not cashed within 90 days of check date, the rebate offer expires for such submission. By submitting a claim, you consent to our collection, use and disclosure of the information contained in it, together with any information you may subsequently provide to us, to any person or entity for the purpose of processing this form or responding to your requests and for internal business purposes in accordance with our privacy policy. Our use of your information is governed by our privacy policy that can be found at chattanoogagas.com. To check the status of your rebate, email cgcrebates@southernco.com. Chattanooga Gas is in no way responsible for the selection, installation, quality of installation, or quality of natural gas appliance for which you submit a rebate claim. Any concerns regarding installation should be directed to your installer, and any concerns regarding natural gas appliances or equipment should be directed to the manufacturer, retailer, or dealer from which you purchased the appliance. Keep a copy of your rebate submission for future reference. Rebate claims may only be submitted by individuals above the age of majority in the State of Tennessee. Offer void where prohibited by law.

Terms and Conditions

UPGRADE to Condensing Boiler >= 90% TE, <300 MBH: $500
UPGRADE to Condensing Boiler >= 90% TE, 300-499 MBH: $1,500
UPGRADE to Condensing Boiler >= 90% TE, 500-999 MBH: $2,500
UPGRADE to Condensing Boiler >= 90% TE, 1000-1700 MBH: $3,500
UPGRADE to Condensing Boiler >= 90% TE, 1701-2500 MBH: $4,500

Program runs January 1, 2024 – December 31, 2025. Rebate available to new and existing customers (as defined below): rebate applies to a qualifying new high efficiency natural gas boiler purchased from an authorized retailer and installed by a Tennessee contractor licensed and certified to install natural gas boilers. This offer is only valid for existing commercial customers who have a current gas account on a commercial rate as defined in the Chattanooga Gas Company (“Chattanooga Gas”) tariff (“customer”). Account must be in good standing with Chattanooga Gas. This offer is for replacing an existing natural gas boiler with an energy efficiency rating less than 90% Thermal Efficiency (TE) and an input capacity up to 299 MBH, with a new natural gas condensing boiler with a TE rating greater than 90% and an input capacity in one of the ranges listed above. Qualified condensing boilers must have an outdoor-air reset control installed (either integrated or added on the system), unless the supply temperature does not exceed 140 degrees F.  The end-use must be space-heating.  Installation must be completed in compliance with all applicable laws, regulations and building codes imposed by federal, state, and local authorities. Online rebate claim must be submitted within 45 days of installation of qualifying product. Supporting documentation must be submitted within 45 days of installation of qualifying product. No exceptions. Customers are responsible for submitting the rebate claim directly to Chattanooga Gas within the timeframe established for the program. There is a limit of one Chattanooga Gas rebate per installed appliance, and rebate cannot be combined with any other Chattanooga Gas offers or incentives. Rebate value not to exceed the total cost of the natural gas equipment plus the cost of installation. There is a limit of two Chattanooga Gas energy efficiency boiler rebates in a ten-year period per service address. Offer valid for existing customers at commercial service addresses in the Chattanooga Gas service territory that were already using a natural gas boiler. Offer not valid for customers in new construction. Please allow at least eight weeks after your completed claim (including supporting documentation as required per offer) is received for your rebate to be processed. Chattanooga Gas is not responsible for lost, late, damaged, postage due, misdelivered, or misdirected mail and incomplete or illegible submissions. All entries become the property of Chattanooga Gas upon submission. Chattanooga Gas reserves the right to suspend, modify, withdraw or terminate this offer and/or the program at any time upon reasonable notice posted on our website at chattanoogagas.com or by informing our retail and dealer partners and providing documentation that clearly communicates end dates for purchases. You must provide all the information requested in the online submission form and deliver supporting documentation as required in order to be eligible, including a copy of proof of purchase (receipt or invoice) and proof of installation (work order or receipt). Incomplete entries will not be processed and will not be returned. Chattanooga Gas reserves the right to substantiate sales receipts, serial numbers, and installation information, and to request additional documentation. Physical inspection for verification of claims may be required. Product may not be returned for full purchase price once the rebate has been fulfilled. Rebate will be fulfilled via a check paid in U.S. dollars to the customer. Installers are not eligible to receive commercial rebates. If a rebate check is not cashed within 90 days of check date, the rebate offer expires for such submission. By submitting a claim, you consent to our collection, use and disclosure of the information contained in it, together with any information you may subsequently provide to us, to any person or entity for the purpose of processing this form or responding to your requests and for internal business purposes in accordance with our privacy policy. Our use of your information is governed by our privacy policy that can be found at chattanoogagas.com. To check the status of your rebate, email cgcrebates@southernco.com. Chattanooga Gas is in no way responsible for the selection, installation, quality of installation, or quality of natural gas appliance for which you submit a rebate claim. Any concerns regarding installation should be directed to your installer, and any concerns regarding natural gas appliances or equipment should be directed to the manufacturer, retailer, or dealer from which you purchased the appliance. Keep a copy of your rebate submission for future reference. Rebate claims may only be submitted by individuals above the age of majority in the State of Tennessee. Offer void where prohibited by law.

Click here to locate a qualified professional to install natural gas appliances or contact us at 800.599.3770.

Chattanooga Gas energy efficiency rebates are available for the replacement of existing natural gas space or water heating equipment with a qualified new energy efficient natural gas furnace or water heater.

Residential energy efficiency furnace rebates include: $300 for the installation of a new natural gas furnace with an AFUE (Annual Fuel Utilization Efficiency) rating of 92% to 94% or $400 for the installation of a new natural gas furnace with an AFUE rating of 95% or higher. These two rebate offers cannot be combined. There is a limit of two Chattanooga Gas energy efficiency furnace rebates in a ten-year period per service address.

Residential energy efficiency water heater rebates include: $200 for the installation of a new natural gas storage tank water heater with an UEF (uniform energy factor) rating of .82 or higher, $200 for the installation of a new natural gas condensing tank water heater with a TE (thermal efficiency) rating of .90 or higher, or $300 for the installation of a new natural gas tankless water heater with an UEF rating of .87 or higher. Qualified water heaters are whole house units. There is a limit of one Chattanooga Gas energy efficiency water heater rebate in a ten-year period per service address.

Commercial energy efficiency furnace rebates include: $300 for the installation of a new natural gas furnace with an AFUE efficiency rating of 92% to 94% or $400 for the installation of a new natural gas furnace with an AFUE efficiency rating of 95% or higher. These two rebate offers cannot be combined. There is a limit of two Chattanooga Gas energy efficiency furnace rebates in a ten-year period per service address.

Commercial energy efficiency water heater rebates include: $50 for the installation of a new natural gas tank water heater with a TE of 67% or higher, $100 for the installation of a new natural gas tank water heater with a TE of 88% or higher, or $1 per MBH (thousands of BTU per hour) for the installation of a new natural gas tankless water heater with a TE rating of 90% or higher and 200 MBH or less.  These rebate offers cannot be combined. There is a max of $1,000 in Chattanooga Gas energy efficiency commercial water heater rebates in a ten-year period per service address.

Commercial energy efficiency condensing boiler rebates include: $500 for the installation of a new natural gas condensing boiler with a TE rating of 90% or higher and MBH of less than 300, $1,500 for the installation of a new natural gas condensing boiler with a TE rating of 90% or higher and MBH of 300-499, $2,500 for the installation of a new natural gas condensing boiler with a TE rating of 90% or higher and MBH of 500-999, $3,500 for the installation of a new natural gas condensing boiler with a TE rating of 90% or higher and MBH of 1,000-1,700, or $4,500 for the installation of a new natural gas condensing boiler with a TE rating of 90% or higher and MBH of 1,701-2,500.  These rebate offers cannot be combined. There is a limit of two Chattanooga Gas energy efficiency boiler rebates in a ten-year period per service address.

Energy efficiency rebate funds are limited; these rebates are valid while funds are available.

Chattanooga Gas energy efficiency rebates apply to qualifying new natural gas furnaces or water heaters installed to replace existing natural gas equipment by a certified Tennessee licensed contractor.

Customers at submitted service address must have an active account in good standing with Chattanooga Gas.

No, dual fuel systems do not qualify.

Online submission forms must be completed within 45 days of purchase or installation of qualifying product. 

An installation invoice from a Tennessee certified licensed contractor is the accepted form of supporting documentation. Chattanooga Gas reserves the right to inspect the premises prior to payment.

There is a limit of one Chattanooga Gas rebate per installed appliance. Hybrid water heaters with both a tank and tankless unit are considered one appliance.

There is a limit of one Chattanooga Gas residential energy efficiency water heater rebate and a limit of two Chattanooga Gas residential energy efficiency furnace rebates in a ten-year period per service address.

There is a limit of $1,000 in Chattanooga Gas commercial energy efficiency water heater rebates, a limit of two Chattanooga Gas commercial energy efficiency furnace rebates, and a limit of two Chattanooga Gas commercial energy efficiency boiler rebates in a ten-year period per service address.

This offer is not valid for new construction. This offer is only valid for pre-existing homes, condominiums, townhouses and apartments located in the Chattanooga Gas service territory.

Please allow at least eight weeks after your completed claim (including supporting documentation) is submitted to receive your rebate. A Chattanooga Gas account must  be active at the submitted service address to receive your rebate.

Please email us at CGCRebates@southernco.com.

Supporting documents should be mailed to:

Chattanooga Gas
Dept 1337 - BIN 110
10 Peachtree Place NE
Atlanta, GA 30309