Below are 12 cold-climate heat-pump installations Voltline has completed in the past 18 months. Specs, equipment models, and outcomes are real. Customer details are anonymized at customer request.
FILTER · ALL · DUCTED · DUCTLESS · WHOLE-HOME (static grid below)
30-year oil boiler costing $4,400/season. First heat-pump heating bill: $182. Comfort delta: 4°F more even across rooms.
Case study →Mid-renovation, architect-specified system. Four indoor heads from one outdoor unit, screened with ornamental grasses.
Case study →New homeowner, leaking oil tank. Income-qualified for HEEHRA. Full electrification across four months.
Case study →A starter install. Sunroom-only coverage, became year-round shoulder-season heat as well.
Case study →Historic preservation context. Custom line-set routing through original chase. Three discreetly-mounted heads.
Case study →Architect-specified all-electric design from the framing stage. We installed at rough-in.
Case study →Two indoor heads, one outdoor compressor. Townhouse association approved the discreet outdoor placement.
Case study →Phased project. Heat pump in April. Water heater in October. Induction pre-wire in March of the following year.
Case study →Existing ductwork passed static pressure after sealing. Furnace removed and disposed. 2-day install.
Case study →Seasonal cottage, owner wanted to come off oil before the next winter. Single mini-split + water heater.
Case study →Smaller house, smaller system. Same engineering rigor on a tight budget. Customer income-qualified for partial HEEHRA.
Case study →Design temp pocket at −15°F. Strip ran 22 hours total over the 2024-25 heating season. System worked as modeled.
Case study →A Comfort Auditor walks through your home's situation, your current heating system, and the rebate stack you might qualify for. 20 minutes. No same-day pressure.
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