Sam Gorman

Estimate solar water heater savings, net project cost, remaining backup cost, and simple payback from your quote and energy costs.

Calculate whole-home ventilation CFM and check HRV or ERV airflow at your planned duct pressure and boost target.

Calculate Smoke CADR for your room at 5 clean-air cycles per hour and check whether one or more purifiers meet the target.

Estimate a portable dehumidifier capacity range, check drainage needs, and account for ceiling height and separate rooms.

Compare combi boiler and separate boiler plus water-heater lifetime costs, replacement timing, and hot-water capacity.

Compare boiler and furnace installed, fuel, maintenance, and fixed costs over your chosen ownership period.

Compare horizontal and vertical geothermal loop costs with shared project charges, planning ranges, and early yard-fit guidance.

Compare packaged HVAC and split system quotes using upfront, energy, maintenance, replacement, and discounted lifetime costs.

Compare double- and triple-pane quotes. Estimate heating savings, price difference, and simple payback using area, U-factors, and climate.

Compare spray foam and fiberglass quotes, annual energy savings, break-even timing, and lifetime cost for your ownership period.