Heat in 2025 is about COP on real weather files, noise, and 10-year service—not brochure SEER2. We break down cold-climate curves (HSPF2, low-ambient capacity), defrost logic, balance-point & aux-heat lockouts, line-set and static-pressure realities, and inverter board failure risks. For geothermal, soil conductivity, loop type (vertical/horizontal/pond), grout, pump head, antifreeze mix, and drilling costs vs kWh savings decide payback—plus desuperheaters and DHW tie-ins that actually pencil out.
Heat Pump Water Heaters 101 Heat pump water heaters (HPWHs)—often called hybrid heat pump water heaters—don’t make heat like gas burners or electric coils. They move heat from the air into the tank, using the same thermodynamic trick your refrigerator uses (but in reverse). For homeowners comparing heat pump water heater vs tankless or standard […]
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Best Heat Pump – Efficiency, Noise & Warranty Why Heat Pump Brand Selection Matters in 2025 If you’re spending $5,000–$15,000 on a new system, brand choice isn’t just a logo—it’s long-term comfort, bills, and peace of mind. After a decade consulting on HVAC—from retrofitting drafty New England colonials to dialing in net-zero builds in the
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