Residential and commercial plumbing, heating and A/C services. Serving Snohomish and King Counties since 1954.

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Winter Warm Up Special

Save $250*

On a complete hybrid heating system from Day & Nite. Get ready for winter before it gets COLD! 

*Additional rebates could be available. Certain rules & restrictions may apply.

Valid through 31-Oct-2016

Download Now  

Winter Warm-Up Special Winter Warm-Up Special (260 KB)

Heating & A/C

Trust your heating and air conditioning system to certified technicians.

Water Heaters

Residential, commercial, and tankless water heaters.


Full-service plumbing across a broad range of sub-specialties.

Why Choose Us

We care about our customers and stand behind our work.

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On-time and efficient. Sam was very open and up front on cost and giving us worst case scenarios so there would be no surprises. Great work and quickly completed.


Evan Perrollaz


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PlumberTalk Blog

Heating with fossil fuels? What you need to know.

Saturday, October 01, 2016
"Propane leak caused explosion in Port Orchard; Killing couple in massive explosion that leveled their manufactured home." ┬áRead More...

Do it right, call Day & Nite!

Day & Nite Plumbing & Heating is a locally owned and operated family business. We care about our customers and stand behind our work. Your comfort and safety are our top priorities.