Decker Heating & Air ConditioningDecker Heating & Air ConditioningFurnace replacement in Menomonee Falls generally runs $4,000-$8,500 installed, with mid-efficiency gas units centering near $5,500. Falls Family Heating handles the removal and install same-day where scheduling allows, so Menomonee Falls homeowners aren't without heat through a Wisconsin cold snap.
| Furnace type / efficiency | Typical installed range |
|---|---|
| Mid-efficiency gas (80% AFUE) | $4,000 - $5,500 |
| High-efficiency gas (90-96% AFUE) | $5,500 - $7,500 |
| High-efficiency (96%+ AFUE, variable-speed) | $7,000 - $8,500 |
| Dual-fuel (furnace + heat pump) | $8,000 - $12,000+ |
| Minimum service charge | $150 |
Furnace replacement price ranges in Menomonee Falls by type (installed)
Furnace size is measured in BTUs and matched to a home's square footage, insulation, and layout. A larger or higher-efficiency furnace costs more up front but uses less gas each winter. High-efficiency units at 96%+ AFUE convert nearly all fuel into heat, versus roughly 80% for a standard model. In Menomonee Falls, most single-family homes need a 60,000 to 100,000 BTU furnace, which places replacement in the $4,000 to $8,500 installed range.
The installed price for a Menomonee Falls furnace replacement covers hauling away the old unit, the new furnace, connection to existing gas and electrical, and a combustion startup test. Costs climb when venting must change, when a chimney liner is required for high-efficiency exhaust, or when old ductwork needs modification. A free on-site visit confirms which of these apply before any work begins, so the quoted number is the number.
A furnace that is 15 or more years old, needs a repair over roughly $1,000, or has a cracked heat exchanger is usually a replacement candidate rather than a repair. Rising winter gas bills from an aging 80% AFUE unit also push the math toward replacement, since a 96% model can cut heating fuel use meaningfully. A technician measures the current unit's efficiency and condition on-site so the repair-or-replace decision is based on real numbers.
Menomonee Falls homes span older stock near Falls Village and Lannon and newer builds in Cardinal Crest, Grandview Highlands, and Nor-X-Way Estates, which changes furnace sizing and venting needs house to house. Wisconsin's sub-zero winters make high-efficiency and dual-fuel systems worth the higher install cost here, since they run for months of hard use. Focus On Energy, Wisconsin's statewide utility program, offers rebates on qualifying high-efficiency furnaces that can reduce the net cost. Waukesha County permit and inspection requirements for gas furnace swaps are handled as part of a proper install.
Most standard furnace replacements take 4 to 8 hours and are completed same-day, so the home has heat by evening.
Furnace size is set by a load calculation using square footage, insulation, and layout; most local single-family homes need 60,000 to 100,000 BTUs.
In Wisconsin's long, cold winters a 96%+ AFUE furnace can meaningfully lower gas bills, often offsetting its higher install cost over its lifespan.
Focus On Energy offers rebates on qualifying high-efficiency furnaces for Wisconsin homeowners, which can reduce the net replacement cost.