- Services
- Boiler & Water Tank Install
Boiler & Water Tank Install
Reliable Hot Water Starts with Professional Installation
Whether you’re upgrading or replacing a failing unit, we install water heaters safely and efficiently.
When your water heater fails or it’s time for an upgrade, you need fast, professional installation. Hollis Heating and Cooling provides expert water tank installs to ensure you always have dependable hot water when you need it.
We work with all major brands and models — helping you choose the right size and type for your household, then installing it safely and efficiently.


We Install:
- Traditional tank-style water heaters
- Energy-efficient electric or gas models
- Direct vent and power vent systems
Signs You Need a New Water Heater:
- Water isn’t getting hot
- Leaks or rust around the tank
- Strange noises or odors
- Unit is 10+ years old
Our team handles everything from removal to installation — so all you have to do is enjoy your hot shower.
Our Services

Ready to Get Started
Contact DM Plumbing today for a free consultation. Let us help you with all your plumbing, heating, and remodeling needs.