Homeowners

Most no-heat calls are the furnace correctly refusing to run. The ignition sequence has six interlocks, and knowing which one stopped tells you whether it is a filter…

Dehumidification is a function of run time, not capacity. A system that cools quickly and shuts off leaves the house clammy, which is why adding capacity to a…

A single-hose portable exhausts conditioned room air outdoors, which pulls unconditioned air in through every gap to replace it. That is design, not defect, and dual-hose units avoid…

Circulation, filtration and air exchange get called the same thing. Only one is ventilation. Why a denser filter does nothing for fresh air, and why tighter construction made…

A thermostat controls whether the system runs, not how hard. On single stage equipment, setting it lower does not cool faster, it only extends run time. Placement matters…

Water pooling indoors is a condensate drainage problem, not refrigerant: refrigerant leaves a system as gas. The distinct mechanisms behind each symptom and which are owner fixable.

If ducts are undersized, leaking or routed through unconditioned space, no amount of equipment capacity fixes the result. SEER2 raised its test static pressure precisely because duct resistance…

Steam and hot water systems are the main heat in 6.51 million US homes, concentrated in older Northeast and Midwest housing. How they work, and why those houses…

Ductless describes the distribution, not the technology. A mini split is the same refrigerant cycle as a central system with the air handler moved into the room, rated…