In June 2024, a Foothill neighborhood customer completed a comprehensive cold-climate heat pump installation in their 1972 hillside home along Foothill Drive. The 3,640 sq ft 2-story home featured 1985 atmospheric Bryant furnace + 1998 York central AC equipment approaching concurrent end-of-life. Customer (medical specialist family with three children, environmentally-oriented decision-making) had researched heat pump conversion for two years prior to the project. Marcus Halverson designed the system: Mitsubishi PUZ-HA60NKA Hyper-Heat 5-ton cold-climate heat pump (NEEP CCASHP-listed equipment maintaining capacity to -13°F outdoor, well below Foothill’s 9°F ASHRAE 99% winter design temperature) + indoor multi-position air handler + dual-fuel hybrid retaining a new Bryant 925SA80120V20 backup gas furnace for occasional extreme cold + 200-amp electrical service upgrade (existing 150-amp inadequate for heat pump support) + comprehensive ductwork evaluation and minor improvements + Mitsubishi kumo cloud thermostat with smart home integration. Manual J calculations adjusted for Foothill’s 4,920 ft elevation (19.7% altitude derate). Project completed June 2024 across 5 days: day 1 equipment delivery + outdoor unit placement preparation, days 2-3 outdoor unit installation + electrical service work, days 4-5 indoor unit installation + ductwork modifications + commissioning. Total $28,400 installed (HVAC scope); electrical service upgrade $4,400 separate. Net cost after $2,000 IRA 25C heat pump credit + $1,400 Wattsmart + $600 ThermWise rebates: $24,400 HVAC + $4,400 electrical = $28,800 total. Customer reports 72% first-winter gas reduction (heat pump providing 90%+ of heating demand; gas furnace operating only during sub-zero events). Read foothill elevation case study →
The opening scenario represents Foothill’s significant heat pump conversion market. Mitsubishi Hyper-Heat PUZ-HA60NKA premium cold-climate equipment matches Foothill demographics and home characteristics. 19.7% altitude derate adjustment in Manual J critical for proper sizing. Dual-fuel hybrid configuration accommodates Foothill’s occasional extreme cold events while providing 90%+ heat pump operating efficiency benefits. 72% first-winter gas reduction validates conversion approach.
Recent project: 1988 Foothill custom home with hydronic radiant floor heating throughout (4,200 sq ft, designed by Salt Lake City architect). Original 1988 Lochinvar atmospheric boiler (37 years service age) replacement project. Customer selected Viessmann Vitodens 200-W B2HB-19 modulating condensing boiler (premium tier matching original equipment quality) + comprehensive water-side system updates + Belimo TruZone PR24-MFT zone valves on existing 6-zone radiant configuration + Sentinel X100/X200 water treatment + new Taco 0015e3 ECM circulators + outdoor reset controls + Honeywell T10 Pro smart thermostats per zone. $26,400 installed; $22,800 net after $1,200 IRA 25C + $1,800 ThermWise + $600 federal additional credits. Radiant floor heating preserved through boiler modernization; customer reports dramatic improvement in modulating operation comfort vs. atmospheric on/off cycling.
Foothill customer projects frequently mirror the Aaron M. Federal Heights heat pump conversion pattern documented in case studies. Multiple Foothill customers have completed Carrier Greenspeed 25VNA0 variable-speed heat pump installations with dual-fuel hybrid configurations + 200-amp electrical upgrades + comprehensive IAQ additions. Typical project scope $22,000-32,000 total. Most successful conversions include Manual J altitude derate calculations specific to Foothill elevation. Read related Foothill case study →
Foothill’s substantial lots support geothermal heat pump installations more commonly than typical urban properties. Recent project (specialty work): 1995 Foothill custom home (5,400 sq ft on 0.85-acre lot), ground-source heat pump installation with 5 vertical boreholes (350 ft each) providing geothermal heat exchange. Total project $58,400 installed; $24,400 net after $32,800 IRA 25C geothermal credit (30% with no cap for residential geothermal) + $3,200 Wattsmart geothermal rebate + $2,000 ThermWise. Wasatch Drilling partnership coordinated borehole installation. Operating costs approximately 65% lower than air-source heat pump equivalent. Geothermal installations specialty service requiring drilling contractor coordination.
Foothill customer base demonstrates substantial comprehensive IAQ system adoption (approximately 45% of customers – highest in Salt Lake City). Recent project: Foothill 1978 home, comprehensive IAQ installation following furnace + AC replacement. AprilAire 700 humidifier + Aprilaire 5000 Electronic Air Cleaner + Reme-Halo UV-C purifier + Aprilaire 1850 dehumidifier + comprehensive NADCA ductwork cleaning + Aeroseal duct sealing. $9,400 IAQ scope (added to HVAC replacement project). Foothill demographics (medical professionals familiar with IAQ benefits, environmentally-conscious decision-making, comfort + health priority) support comprehensive IAQ adoption.
Foothill-specific pricing factors: long driveway access ($145-485 added), winter foothill access labor ($245-685 added during snow events), premium tier equipment pricing throughout.
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