Tankless Water Heater Installation
Endless hot water, lower energy bills, and 20+ year lifespan. Upgrade to tankless and never run out of hot water again.
Why Go Tankless?
Tankless water heaters offer significant advantages over traditional tank models, especially for Montana homeowners.
Endless Hot Water
Never run out of hot water again. Tankless heaters provide continuous hot water on demand, perfect for large families or back-to-back showers.
Lower Energy Bills
Save 20-40% on water heating costs. Tankless units only heat water when you need it, eliminating standby energy loss from keeping a tank hot 24/7.
Longer Lifespan
Tankless water heaters last 15-20+ years compared to 8-12 years for tank models. Better long-term value despite higher upfront cost.
Space Savings
Wall-mounted design frees up valuable floor space. Perfect for homes with limited utility room space or basement storage needs.
Tankless Installation Pricing
Complete installation with all necessary upgrades. Flat-rate pricing includes gas line work, venting, and code compliance.
Compact Tankless
1-2 Bathrooms
Up to 6 GPM
Installed
- Perfect for smaller homes or condos
- Rinnai or Rheem compact model
- Remove and dispose of old unit
- Gas line upgrade (if needed)
- New venting system installation
- Digital temperature control
- All connections and fittings
- Code-compliant installation
- 15-year manufacturer warranty
- 3-year labor warranty
Whole-House Tankless
3-4 Bathrooms
Up to 9 GPM
Installed
- Ideal for most family homes
- Premium Rinnai or Rheem model
- Remove and dispose of old unit
- Gas line upgrade (if needed)
- New venting system installation
- Digital temperature control with remote
- Recirculation pump compatible
- All connections and fittings
- Code-compliant installation
- 15-year manufacturer warranty
- 3-year labor warranty
- Up to 40% energy savings
High-Capacity Tankless
5+ Bathrooms
Up to 11+ GPM
Installed
- For large homes or high demand
- Commercial-grade Rinnai model
- Remove and dispose of old unit
- Gas line upgrade included
- New venting system installation
- Advanced digital controls
- Recirculation system installation
- All connections and fittings
- Code-compliant installation
- 15-year manufacturer warranty
- 5-year labor warranty
- Maximum energy efficiency
*GPM = Gallons Per Minute. Final price depends on gas line requirements, venting complexity, and local code requirements.
We'll provide an exact quote after a free in-home assessment.
Tank vs. Tankless: Side-by-Side Comparison
See how tankless stacks up against traditional tank water heaters across key factors.
| Feature | Traditional Tank | Tankless |
|---|---|---|
| Lifespan | 8-12 years | 15-20+ years |
| Energy Efficiency | 60-70% efficient | 95-98% efficient |
| Hot Water Supply | Limited by tank size | Unlimited on-demand |
| Upfront Cost | $1,899 - $3,499 | $3,999 - $8,999 |
| Operating Cost | $400-600/year | $250-400/year |
| Space Required | Large floor footprint | Wall-mounted, compact |
| Installation Time | 3-5 hours | 6-8 hours |
| Maintenance | Annual flush | Annual descaling |
Tankless is Best For:
- • Families who run out of hot water frequently
- • Homeowners planning to stay 10+ years
- • Energy-conscious households
- • Homes with limited utility space
- • New construction or major remodels
Tank May Be Better For:
- • Budget-conscious homeowners (lower upfront cost)
- • Homes with limited gas line capacity
- • Rental properties or flip houses
- • Homeowners planning to move within 5 years
- • Emergency replacements needing fastest install
Return on Investment
Tankless costs more upfront but saves money over time through energy savings and longer lifespan.
Traditional Tank (50 gal)
Tankless Water Heater
Total 20-Year Savings with Tankless:
Lower energy bills + no second replacement
*Based on average Montana energy costs and typical usage. Your actual savings may vary.
Tankless Installation Process
Professional installation typically takes 6-8 hours. We handle everything from gas line upgrades to venting.
Assessment & Planning
We evaluate your home's gas line capacity, venting options, and hot water needs to design the perfect system.
Gas Line & Venting
Upgrade gas line if needed (most homes require this) and install proper venting system for safe operation.
Unit Installation
Remove old water heater, mount new tankless unit on wall, and connect all water, gas, and electrical lines.
Testing & Training
Test system thoroughly, adjust settings, show you how to use digital controls, and clean up completely.
Tankless FAQs
Will a tankless water heater work in Montana's cold climate?
Yes! Modern tankless units are designed to handle cold incoming water. However, in Montana's winter, the unit may work harder to heat extremely cold groundwater, which can slightly reduce flow rate. We size units appropriately to account for this.
Do I need to upgrade my gas line?
Most homes require a gas line upgrade because tankless units need higher gas flow than tank models. This is included in our installation pricing. We'll assess your current gas line during the free estimate.
How long does installation take?
Tankless installations typically take 6-8 hours, compared to 3-5 hours for tank replacements. The extra time is needed for gas line work, venting installation, and precise calibration.
What maintenance does a tankless water heater need?
Annual descaling (flushing with vinegar solution) to remove mineral buildup from Montana's hard water. This takes about an hour and costs $149-249. We offer annual maintenance service to keep your warranty valid.
Can I install a tankless water heater myself?
We strongly advise against DIY installation. Tankless units require gas line work, electrical connections, and precise venting—all of which must meet building codes. Improper installation voids the warranty and creates safety hazards.
What brands do you recommend?
We primarily install Rinnai and Rheem tankless units. Both brands have excellent track records in Montana's hard water conditions and offer strong warranties. We'll recommend the best model for your specific needs and budget.
Ready to Go Tankless?
Get a free, no-obligation estimate. We'll assess your home, recommend the right size, and provide an exact flat-rate price.
Professional Installation • Flat-Rate Pricing • Serving Missoula, Lolo, Frenchtown, Seeley Lake & Western Montana
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