Straight answers to the questions our customers ask most — covering plumbing, heating, cooling, and electrical service across our service area.
Ideal wine storage temperature is 55–58°F with humidity at 55–70%, held steady year-round. The key is consistency — large swings in temperature…
Read AnswerWhen designing a home wine room, prioritize the room envelope (insulation, vapor barrier, sealed door), the cooling unit (split, ducted, or through-wall),…
Read AnswerIn most homes, the air handler is located in a utility closet, basement, garage, attic, or large mechanical room — typically central…
Read AnswerAir handler coils should be cleaned by a licensed HVAC technician — they’re delicate, easily bent, and surrounded by sharp fins, electrical…
Read AnswerAn air handler is the indoor unit of a split HVAC system — a metal cabinet that contains the evaporator coil, blower…
Read AnswerYes — Mainstream installs both whole-house attic fans and powered attic ventilators. We help you choose the right type for your home…
Read AnswerCool your attic by combining better ventilation, more insulation, and (where appropriate) a radiant barrier. Adding ridge and soffit ventilation lets hot…
Read AnswerYes — attic fans are worth it for most Spokane homes, especially homes with poor passive ventilation, large west-facing roofs, or upstairs…
Read AnswerAn attic fan works by drawing super-heated air out of the attic and exhausting it outdoors, while replacement air enters through soffit,…
Read AnswerMainstream repairs every major brand of residential furnace — including Carrier, Bryant, Lennox, Trane, American Standard, Rheem, Goodman, Amana, York, Coleman, Heil,…
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