Tankless Water Heater Installation & Repair in Saukville, WI
Tankless Water Heater Installation & Repair in Saukville, WI
A tankless (on-demand) water heater can eliminate cold showers, reduce energy waste, and free up space in your Saukville home.

Why choose a tankless water heater in Saukville, WI
- Continuous hot water on demand — no standing tank to run out.
- Energy efficiency — you heat water only when you need it, which commonly lowers energy use compared with older tank systems.
- Smaller footprint — wall-mounted units free up basement or utility closet space.
- Longer service life — properly maintained tankless units often last longer than traditional tanks.
Local relevance: Saukville’s cold winters mean incoming groundwater temperatures drop significantly in winter, increasing the required temperature rise. Mineral-rich Midwestern water also raises the importance of regular descaling or water treatment to protect performance.
Common tankless types and how they differ
- Gas tankless models: Higher flow rates and lower operating cost per hot gallon in many homes; need proper venting and correctly sized gas lines. Condensing gas units offer the best efficiency but require a condensate drain and PVC venting.
- Electric tankless models: Simpler venting (no combustion), often easier to install in tight spaces, but may need significant electrical service (dedicated 240V circuits or panel upgrades) for higher-flow units.
- Single-unit vs. multi-unit systems: One larger unit can serve most homes, but in cold climates like Saukville or for multi-bath homes, two smaller units in parallel can provide more reliable peak performance.
Sizing and flow-rate calculations (simple, practical steps)
- List the fixtures you expect to run simultaneously (example: two showers + dishwasher).
- Assign typical GPM values:
- Shower: 2.0–2.5 GPM
- Bathroom faucet: 0.5–1.5 GPM
- Kitchen faucet: 1.0–2.0 GPM
- Dishwasher: 1.5 GPM
- Washing machine: 1.5–2.0 GPM
- Add the GPM of simultaneous fixtures to get required flow rate. Example: two showers (2.5 + 2.5) + dishwasher (1.5) = 6.5 GPM.
- Calculate required temperature rise: Desired delivery temp (commonly 120°F) minus incoming water temp. In Saukville winter, incoming water can be in the mid-30s to mid-40s, so plan for a larger temperature rise (e.g., 85°F).
- Choose a unit that can sustain your needed GPM at that temperature rise. If one unit doesn’t meet the winter GPM requirement, consider a larger unit or a parallel setup.
A professional load calculation uses the same steps but also accounts for real local inlet temperatures and household patterns. This prevents undersizing (which causes cold water “sandwiches”) and oversizing (which raises costs).
Installation and retrofit considerations in Saukville homes
- Venting: Gas units need appropriate venting—non-condensing units typically use metallic venting; condensing units use PVC and require a condensate drain. Venting location and run length affect performance and code compliance.
- Gas line sizing: Larger gas flow (BTU) may require upsized gas piping or a meter check.
- Electrical upgrades: Electric tankless units often require high-amperage circuits and may need a panel or service upgrade.
- Permits and code: Local permits and inspections are required; install to local codes for safety and warranty compliance.
- Location & freeze protection: Install where freeze risk is low or provide freeze protection; in Saukville, protect external or unheated installations from winter cold.
- Space & access: Ensure clearance for servicing and access for annual maintenance and descaling.
Routine maintenance and descaling
- Flush and descale: Mineral buildup is the most common cause of reduced performance. In Saukville’s moderately hard water, flush units every 6–12 months; homes with very hard water may need more frequent descaling.
- Inlet water filter: Many systems include a simple sediment filter or strainer that should be cleaned regularly.
- Water treatment options: A whole-house water softener or scale inhibitor can greatly extend the interval between descaling and protect the heat exchanger.
- Annual inspection: Check for leaks, vent condition, burner function (gas), electrical connections (electric), and error codes. Regular checkups preserve efficiency and warranty coverage.
Common repairs and troubleshooting
- No hot water or intermittent ignition: Could be gas supply, ignition module, blocked vent, or error code from the control board.
- Fluctuating temperature or “cold water sandwich”: Often caused by undersized unit or flow sensor issues.
- Reduced flow or lower output temperature: Frequently due to mineral scale buildup on the heat exchanger or inlet filters.
- Error codes and lockouts: Modern units display codes that narrow down issues (flame failure, overtemperature, sensor fault). A qualified technician interprets and resolves codes safely.
- Leaks and corrosion: Address promptly to prevent larger heat exchanger or structural damage.Emergency repairs are particularly important during cold periods to avoid frozen pipes or loss of heat-assisted systems.
Energy savings and payback for Saukville homeowners
- Typical energy savings vary with household hot water habits and the type of system being replaced. Many homeowners see notable reductions in water-heating energy use versus older tank models—often in the range of 15–30% depending on usage patterns and fuel type.
- Payback depends on initial installation cost, fuel prices (natural gas vs. electricity), hot water demand, and available incentives. In cold-climate households with high hot water demand, payback may be shorter when efficiency gains and local rebates are applied.
- Incentives: Federal tax credits, state or local energy-efficiency rebates, and utility programs can offset installation costs. Check applicable local programs and eligibility for Saukville-area homes.
Warranty and service plans
- Manufacturer warranties commonly cover heat exchangers for multiple years (often 5–15 years) with shorter coverage for parts and labor. Terms vary by brand and model.
- Service plans typically include annual inspections, priority scheduling, discounted repairs, and routine flush/descale service. Regularly scheduled maintenance protects warranties and maximizes lifespan.
Emergency service availability
Saukville’s long heating season makes reliable emergency repair availability important. Rapid response for ignition failures, major leaks, or complete loss of hot water prevents hardship during cold weather and reduces the risk of secondary damage.
ConclusionA properly selected and installed tankless water heater delivers consistent hot water, better efficiency, and a longer service life—especially valuable in Saukville where cold inlet temperatures and mineral-rich water influence performance. Accurate sizing, correct venting or electrical upgrades, and regular descaling are critical to long-term performance. Regular maintenance and appropriate service plans keep units running at peak efficiency and protect manufacturer warranties.
Maintenance Plan
SILVER PLAN (Heating & cooling packages
Our Silver Plan provides you with year-round, worry-free protection. The benefits include:
$129.95
/plan cost every 6 months
Inspection and cleaning of your system during service visits.
Next-day scheduling & 24-hour emergency service.
Full coverage for labor on repairs due to equipment failure.
15% Discount on all parts for repairs and upgrades.
15% Discount on additional system installation.

2
visits per year
1
year in duration
15%
discount on jobs
Cooling
Lubricate motors
Clean condensate line
Check fan belts
Check performance of system
Change filters
Check contactor points
Check evaporator air temperatures
Check pressure switches
Check wiring & connections
Clean condenser coil
Check refrigerant charge
Check temperature differential
Check operating pressures
Check evaporator coil
Check voltage and AMP draw
Heating
Lubricate motors
Check wiring & connections
Adjust controls if needed
Clean burners/flame sensor.
Adjust combustion air to burners
Check Ohms and amps of furnace
Check blower
Check heat exchanger for cracks (if accessible)
Change filters, standard pleated filters included
Check performance of system
Check air temperature rise
Check C.O. levels



