Upgrade to endless hot water with tankless water heater installation in Longmont, CO.
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Imagine never running out of hot water—whether it’s back-to-back showers, a load of laundry, or running the dishwasher. At Mayer Plumbing, we make that possible with professional tankless water heater installation in Longmont, CO. Unlike bulky storage tanks, tankless systems heat water on demand, providing a constant supply while reducing wasted energy. Our team helps homeowners choose the right unit for their household, then installs it with precision and care. With Mayer Plumbing, you’ll enjoy greater efficiency, modern comfort, and reliable hot water every day.

Endless hot water on demand – perfect for busy households.
Energy-efficient design that lowers monthly utility bills.
Space-saving units – compact, wall-mounted systems free up room.
Longer lifespan compared to traditional storage tanks.



We don’t just install—we manage the entire process from start to finish:
Helping you choose the right brand and model.
Securing permits and handling inspections.
Installing with precision and ensuring full code compliance.
Testing performance so your system runs flawlessly.


Family-owned, local business – We live and work right here in Northern Colorado.
Licensed & insured plumbers – Professional service, guaranteed.
Transparent pricing – Upfront estimates with no surprise charges.
Same-day service – We know hot water can’t wait.
Financing available to make your upgrade affordable.
Common questions about our plumbing services
The cost varies based on the unit size, brand, and installation complexity. On average, expect $2,500–$4,500 for a complete installation. We provide transparent quotes before any work begins.
Yes. Properly sized tankless systems can deliver hot water for multiple showers, appliances, and faucets at the same time. Our team ensures your system matches your household’s needs.
Like any appliance, they benefit from routine maintenance—typically annual flushing and inspection. This keeps performance high and extends the lifespan of your system.
Services
24/7 Emergency Plumbing
Bathroom Plumbing
Drain Cleaning
Kitchen Plumbing
Leak Detection & Repair
Water Heater Repair
Tankless Water Heater
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