Whats the Difference Between a Tankless Water Heater and a Traditional Water Heater
A tankless water heater heats water on demand as you use it, while a traditional tank water heater keeps a 40–80 gallon…
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 Do Tankless Water Heaters Work?
A tankless water heater works by heating water instantly as it flows through a heat exchanger — there’s no storage tank. When…
Read AnswerAre Tankless Water Heaters More Energy Efficient Than Traditional Tank Water Heaters?
Yes — tankless water heaters are typically 20% to 35% more energy-efficient than traditional tank water heaters because they eliminate standby heat…
Read AnswerWhat Are the Advantages of Installing a Tankless Water Heater with Mainstream?
The top advantages of a tankless install with Mainstream are endless hot water, 20%+ lower energy costs, double the lifespan of a…
Read AnswerAre There Any Drawbacks to Installing a Tankless Water Heater?
Tankless water heaters have a few drawbacks — higher up-front cost, potential limits on simultaneous high-flow demand (multiple showers + dishwasher), the…
Read AnswerWhat Size Tankless Water Heater Do I Need for My Home?
You size a tankless water heater by the maximum flow rate (in gallons per minute) and the required temperature rise. Most Spokane-area…
Read AnswerDoes Mainstream Offer 24 7 Service for Burst Pipe Repairs?
Yes — Mainstream provides 24/7 service for burst pipe repairs throughout the Spokane and Coeur d’Alene area. A live dispatcher answers after-hours…
Read AnswerHow Quickly Can Mainstream Respond to a Burst Pipe Emergency?
Mainstream typically dispatches to burst pipe emergencies within 1 to 3 hours of your call across the Spokane and Coeur d’Alene area,…
Read AnswerWhat Types of Water Pipe Leaks Are There?
The main types of water pipe leaks are pinhole leaks (slow corrosion through pipe walls), joint leaks (failed fittings or solder), pressure-burst…
Read AnswerCan Using the Right Air Filters Help Reduce My Energy Bills?
Yes — using high-quality, properly sized air filters can reduce your energy bills by improving airflow through your HVAC system. A clean,…
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