top of page

Tankless Water Heaters


Water Heater Giveaway

Atlanta Gas Light is giving away 500 FREE Rinnai natural gas tankless water heaters to drawing winners! Atlanta Gas Light will even cover the cost of installation for a total prize value of up to $3,500!

1) Must be a current Atlanta Gas Light customer. Remember, AGL uses third party providers like SCANA, GasSouth, Georgia Natural Gas, and many others for billing.

2) You must be a HEAT ONLY customer with or without one single burner appliance (ex. gas stove) .

3) This can be for any type of property. Residential, commercial, etc.

4) At the bottom of the entry form section HOW DID YOU HEAR.... Click Other and type Keith McDonald Plumbing for faster response.


From start to finish, Keith McDonald Plumbing can handle your tankless water heater installation and conversions.  We are licensed and insured to run natural gas and propane distribution to your new water heater along with other appliances throughout your home.  We consider all other appliances in the home to determine if any parts of the system need to be adapted for use. We partner with local electricians who are also fully licensed and insured so that you can trust the installation is done right.  Our preferred brand is Navien but we are happy to install the customers requested brand.


Whether you need an endless supply of hot water, efficient home heating or both, Navien has the perfect energy efficient solutions.

Navien offers the industry’s most advanced condensing tankless water heaters, condensing boilers and the first combi-boilers strong enough to support whole house heating and hot water for larger homes.

(1)  Keith McDonald Plumbing may refuse to install unknown brands or customer supplied products that are used and may be damaged.  Keith McDonald Plumbing does not provide a warranty for customer supplied products.  Services provided to customer supplied products will be charged for time and materials at our standard rates. 

bottom of page