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

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Trust your heating and air conditioning system to N.A.T.E. certified and factory-trained technicians who deliver high quality work every time.


Looking for furnace repair services? Need a furnace installed? Call Day & Nite Plumbing in Lynnwood, WA for expert heating & air conditioning repair today!

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Your boiler heats your home and provides it with hot water.

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Air Conditioning

As the heat starts to rise, the last thing you want is a problem with your air conditioning. Call the experts at Day and Nite Plumbing & Heating, Inc today!

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Ductless Heat Pumps

Are you looking for an energy-efficient way to heat your home? Call Day & Nite Plumbing in Lynnwood, WA today for more info about ductless heat pumps!

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Commercial HVAC

Keep your business's heating and cooling systems running efficiently by calling the commercial HVAC experts at Day & Nite Plumbing in Lynnwood, WA today!

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Fireplaces & Gas Inserts

A fireplace can help provide the perfect focal point and source of heat for your room. Call the experts at Day and Nite Plumbing & Heating, Inc today!

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Furnace Repair in Lynnwood, WA

Is your furnace in need of repair? The furnace repair experts at Day & Nite Plumbing and Heating are here to keep your furnace running smoothly! Call today.

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Your Local HVAC Professionals

Over the years we’ve seen many ways of doing Heating and Air Conditioning service. We have found since the industry is so technical most customers don’t realize what they are getting or not getting and often feel as though they are put in a position with no choice but to accept and trust whichever heating or air conditioning technician shows up. We work hard to establish that trust to be the preferred choice for our customers. Though we offer both plumbing and heating our plumbers don’t work on furnaces or air conditioners or commercial HVAC systems. Our heating and air condition technicians are N.A.T.E. Certified and factory trained. Though we work on all brands of equipment, as another level of trust, Day & Nite Plumbing & Heating has chosen to partner with Bryant as a Bryant Factory Authorized Dealer. So for all our Bryant Equipment installation we can offer the Bryant 100% Satisfaction Guarantee and Bryant’s best warranty on top of our own in house warranty. We have been around since 1954 as a locally owned and operated business and maintain an A+ rating with the Better Business Bureau.


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PlumberTalk Blog

Water Heaters… the ticking time bombs

Friday, August 11, 2017
Water Heaters… the ticking time bombs

A few years back I was called to repair a heating system. In order to get to the utility room, the homeowner took me down the basement stairs, where we passed a water heater along the way. It was fortunate that I’m also a licensed plumber, because I immediately recognized a safety issue and froze in my tracks. The Temperature & Pressure Relief Valve (T&P Valve) was capped off. ...

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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.