What Kind of Furnace Does My Home Need?
The right furnace for your home depends on fuel availability, square footage, climate, insulation, and efficiency goals. Most Spokane-area homes use gas…
Read AnswerFrequently Asked Questions
Straight answers to the questions our customers ask most — covering plumbing, heating, cooling, and electrical service across our service area.
How Much Does a Furnace Installation or Replacement Typically Cost?
Furnace installation or replacement in the Spokane area typically costs $4,500 to $9,500, depending on furnace size, efficiency (80% vs. 95% AFUE),…
Read AnswerWhat Kind of HVAC Services Does Mainstream Provide?
Mainstream provides a complete range of HVAC services in Spokane: heating installation, repair, and maintenance; cooling installation, repair, and maintenance; heat pumps;…
Read AnswerDoes Mainstream Offer Financing for a New HVAC System?
Yes — Mainstream offers flexible financing on new HVAC systems, including same-as-cash, low-monthly-payment, and zero-interest promotional options for qualifying customers. Financing makes…
Read AnswerWhat Are the Signs That My Mobile Homes Electrical System Is Outdated or Unsafe?
Mobile home electrical systems are typically outdated or unsafe if they have a Federal Pacific or Zinsco panel, aluminum branch wiring, two-prong…
Read AnswerAre There Special Considerations for Plumbing in a Mobile Home?
Yes — mobile-home plumbing has unique considerations: smaller-diameter supply lines, PEX or polybutylene piping common, fewer shutoff valves, exposed pipes underneath, lower…
Read AnswerWhat Type of Heating and Cooling Systems Are Most Efficient for a Mobile Home?
The most efficient heating and cooling systems for mobile homes are ductless mini-splits and right-sized heat pumps. Mobile homes have small footprints,…
Read AnswerDoes Mainstream Work on Mobile Homes?
Yes — Mainstream works on mobile and manufactured homes for plumbing, heating, cooling, and electrical services across the Spokane area. We’re experienced…
Read AnswerHow Often Should a Whole Home Generator Be Serviced?
Service your whole-home generator twice a year — once before storm season and once mid-cycle — plus a quick visual inspection every…
Read AnswerWhat Kind of Lighting Can Mainstream Install?
Mainstream installs every type of residential and commercial lighting — recessed (can) lighting, pendants, chandeliers, undercabinet, track and rail lighting, outdoor floodlighting,…
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