Hvac — Buying Guide

: Usually a furnace (powered by gas, oil, or electricity) or a heat pump.

Look for the ENERGY STAR label to ensure a unit is independently certified to save energy. Heating Efficiency (AFUE & HSPF) hvac buying guide

The measures cooling efficiency.

Modern systems are evaluated under the updated testing standards. : Usually a furnace (powered by gas, oil,

Higher efficiency equipment costs more upfront but lowers your monthly utility bills. When comparing models, look for these standard industry metrics: Cooling Efficiency (SEER/SEER2) hvac buying guide

: The network of metal or flexible tubes that distributes the air.