24/7 Round the Clock Plumbing, Heating, Cooling, and Electrical Experts
Serving the Greater Seattle Area
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4.8
4.4
A+Family-owned and locally operated, Day & Nite Plumbing & Heating, Inc. is dedicated to quality. Established in 1954, we continue to ensure unsurpassed value, integrity, and innovation on every job as the leading plumbing and cooling contractors in Seattle, WA. We service King and all of Snohomish County.
Check Out Our Special Offers
$150 Off 
Tankless Water HeaterOFFER GOOD ONLY IN OUR SERVICE AREA
*Not valid with any other offer. Some restrictions may apply. Limit one coupon per household.
Do it Right-Call Day & Nite 206-752-5115
$30 Off 
HVAC MaintenanceOFFER GOOD ONLY IN OUR SERVICE AREA
*Not valid with any other offer. Some restrictions may apply. Limit one coupon per household.
Do it Right-Call Day & Nite 206-752-5115
$250 Off 
A Heat Pump or Air ConditionerOFFER GOOD ONLY IN OUR SERVICE AREA
*Not valid with any other offer. Some restrictions may apply. Limit one coupon per household.
Do it Right-Call Day & Nite 206-752-5115
Best Service
We Clean Our Work Area
We Treat People the Way We Want to Be Treated
We Protect Your Property
Best Guarantees
Lifetime Workmanship Guarantee*
Warranties on Our Work*
Weekly Training
Best Peace of Mind
Background-Screened Technicians
Drug-Tested Technicians
Uniformed Technicians and Identifiable Vehicles
*Some limitations & restrictions may apply.
Financing Made Simple
Don’t feel limited on your next heating or plumbing project—expand your options and upgrade your equipment today to prevent costly repairs in the future. We offer low payments and multiple financing options.
Your Trusted Heating & Cooling Service Company
As a Bryant Factory Authorized Dealer, we uphold strenuous criteria for technician training and expertise. Our fully licensed team is NATE- and EPA-certified and members of PHCC and ACCA. There is simply no HVAC challenge, from new installations and upgrades to maintenance and repair, that we can’t handle. As one of the top HVAC companies in Seattle, we customize residential and commercial solutions to perfectly suit and minimize turnaround with access to sheet metal fabrication services.
Top Quality Plumbing, Heating & Cooling Maintenance, Repairs & Installation
Day & Nite Plumbing & Heating, Inc., combines a team of fully licensed plumbers and apprentices to address a wide range of plumbing services for your home or business. We are the area’s best commercial and residential HVAC company. Rely on us for tank-style, tankless, and heat pump water heating services.
Let us take care of sewer and water line replacements, trenchless technology, plumbing fixtures, leak repairs, and so much more. From convenient and prompt scheduling during regular business hours to 24/7 emergency assistance, we take pride in an unwavering code of ethics. Do it Right, Call Day & Nite!
Family Owned and Operated Since 1954
Founded in 1954, Day & Nite Plumbing & Heating, Inc. is a family-owned and operated plumbing and heating company based in Lynnwood, WA. Unlike other plumbers and HVAC specialists in Seattle, WA, we prioritize the comfort, safety, and satisfaction of our customers. As leading specialists in the area, we are committed to delivering top-quality products, exceptional value, and outstanding customer service for both residential and commercial needs.
Our technicians are among the best in the industry, adhering to the highest quality standards on every project. If you’re looking to join a team that values excellence, apply today and become part of a company that offers extraordinary benefits and a rewarding career.
Plumbing & Heating Blog
Stay updated on the latest news from Day & Nite.
Day & Nite Plumbing & Heating
How to Choose Your Home’s Replacement Heating System
Having worked in the Plumbing, Heating, & Cooling industry now for over 40-years, I’ve come to notice a few basic things worth considering when it’s time to choose a heating/cooling system; either initially with a new home, or as a replacement for an existing system. The most basic thing to consider is what kind of system or systems are you most comfortable living with… Do you like ... Day & Nite Plumbing & Heating<br>How to Choose Your Home’s Replacement Heating System
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Replacing an Old Sewer Line? You Have Options
Many of us are living in our homes longer and longer, while others are buying homes that are at least 25-years old, and often 75 to 100 years old. One thing that comes to the forefront in older homes is the condition of the main sewer line (for homes that aren’t on septic tanks). Main ... Replacing an Old Sewer Line? You Have Options
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The Truth About Chemicals and Drain Cleaning
The last few articles have been about drain systems, clearing them when clogged and digitally documenting them. A properly-designed drain system correctly used and maintained should never really clog and stop up, and it’s usually misuse or a foreign object in the system that causes clogs. Except for clogged toilets, the drains that clog most ... The Truth About Chemicals and Drain Cleaning
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