Can Mainstream Find and Repair Slab Leaks?
Yes — Mainstream finds and repairs slab leaks (leaks in water lines under a concrete foundation slab) using non-invasive detection equipment to…
Read AnswerFrequently Asked Questions
Straight answers to the questions our customers ask most — covering plumbing, heating, cooling, and electrical service across our service area.
Why Do I Need a Plumber to Detect Water Leaks?
You need a plumber to detect water leaks because most leaks are inside walls, under slabs, or buried in the yard —…
Read AnswerHow Can I Prevent Pipes From Freezing in the Future?
To prevent pipes from freezing, insulate any pipes in unheated spaces (crawlspaces, garages, attics, exterior walls), keep your thermostat at 55°F or…
Read AnswerWill Homeowners Insurance Damage From a Burst Pipe?
Yes — homeowners insurance typically covers sudden, accidental water damage from a burst pipe, including drywall, flooring, and personal property damage. Insurance…
Read AnswerWhat Should I Do If I Suspect a Burst Pipe?
If you suspect a burst pipe, first shut off your home’s main water valve, then turn off electricity to any flooded area,…
Read AnswerWhat Does a Plumber Work on Around the House?
A plumber works on nearly every water and gas system in your home — supply lines, drain and waste lines, water heaters,…
Read AnswerWhat Is Your Service Area?
Mainstream’s service area covers Spokane, Spokane Valley, Coeur d’Alene, Post Falls, Liberty Lake, Mead, Deer Park, Cheney, Airway Heights, Medical Lake, Hayden,…
Read AnswerHow Do I Know What Size Air Filter I Need?
To find your air filter size, look at the side of the existing filter — it will be printed in inches (e.g.,…
Read AnswerAre UV Air Filters Worth It?
Yes — UV air filters are worth it for most homes, especially homes with allergies, asthma, pets, or recurring musty smells. UV-C…
Read AnswerWhat Are UV Air Filters?
UV air filters are HVAC-mounted UV-C light systems that disinfect air and surfaces inside your ductwork or air handler. They don’t replace…
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