Water Heater Installation in Southern Maine — Reliable Hot Water
From a leaking tank to an upgrade to high-efficiency tankless, Southern Maine Mechanical installs and replaces water heaters across greater Portland and southern Maine. We help you choose the right type and size for your household, install it correctly, and back the work with solid warranties.
Tank, Tankless & Indirect Water Heaters
We install every common water heater type: conventional gas, propane, and electric tank units; high-efficiency tankless (on-demand) systems; and indirect water heaters that run off your boiler for efficient, abundant hot water. We'll help you weigh up-front cost, efficiency, and capacity to pick the best fit for your home.
Right-Sized for Your Household
A water heater that's too small leaves you with cold showers; one that's too large wastes energy. We size your system to your household's real hot-water demand — number of bathrooms, fixtures, and peak usage — so you get consistent hot water without overspending on equipment or energy.
Fast, Clean Replacement
A failed or leaking water heater needs prompt attention to avoid water damage. We schedule replacements quickly, haul away your old unit, and install the new one cleanly and to code — including proper venting, expansion tanks, and shut-offs where required.
Permits, Code & Warranty
We pull required permits and install to code, verifying safe combustion and venting on gas and propane units. Every water heater installation includes manufacturer warranties plus our labor warranty, and we register the equipment for you.
Ready to Get Started?
Free estimates on all installations. Same-day service available.
(207) 560-7890 Free EstimatesGet It Done Now, Pay Later
Financing Available for HVAC Installations
Southern Maine Mechanical offers flexible financing options for qualified customers on heat pump installations, boiler replacements, furnace replacements, central air systems, and other HVAC projects.
Promotional Financing
- 0% interest if paid in full within 6, 12, or 18 months
- Deferred interest may apply if the balance is not paid in full by the end of the promotional period
Fixed Monthly Payment Plans
- Reduced APR options may be available
- Common terms may include 60-month financing
- Great for larger heat pump, boiler, furnace, and central air installations
Example Monthly Payments
- $8,500 system~$142/mofor 60 months
- $12,000 system~$200/mofor 60 months
- $20,000 system~$333/mofor 60 months
Financing is subject to credit approval. Terms, rates, promotional periods, and monthly payments may vary. Promotional financing may include deferred interest. Southern Maine Mechanical does not guarantee approval or specific loan terms.
Signs It's Time to Replace Your Water Heater
Frequently Asked Questions
Water Heater Installation by City — Southern Maine
We provide water heater installation throughout Cumberland & York Counties.
