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Plumbing, HVAC & Electrical Services in Seattle, WA

HVAC & Plumbing Services in Seattle, Washington

Serving Seattle Homeowners and Businesses Since 1954

Seattle homeowners know how important it is to have dependable HVAC and plumbing services to maintain a comfortable and functional home. Whether it’s ensuring your heating system runs efficiently during the winter months or fixing a plumbing issue before it causes damage, Day & Nite Plumbing & Heating is here to help.

Seattle’s climate puts different demands on home systems throughout the year. Furnace repair and heating maintenance are year-round concerns for older Seattle homes, while demand for air conditioning installation has grown as summers get warmer. Day & Nite handles it all, with 24/7 emergency service and technicians familiar with what homes in the Seattle area actually need.

Call Now 425-224-6452

Seattle Plumbing, Heating, Cooling & Electrical

Day & Nite provides plumbing services in Seattle for both residential and commercial properties, from emergency plumber calls and drain cleaning to sewer line repair, water heater installation, and tankless water heater upgrades. On the heating side, we handle furnace repair and installation, heat pump services, ductless mini split installation, and boiler work. For cooling, we service and install central air conditioning systems and ductless AC, including for Seattle homes adding cooling for the first time. Day & Nite also handles electrical work in Seattle, including panel upgrades, electrical repairs, surge protection, and generator services, as well as commercial HVAC, commercial plumbing, and commercial electrical.

Ask us about:

  • Plumbing repairs and 24/7 emergency plumber services
  • Furnace repair and installation
  • Air conditioning repair and AC installation
  • Heat pump installation and service
  • Ductless mini split systems
  • Water heater repair, replacement, and tankless installation
  • Sewer and drain services
  • Electrical repairs, panel upgrades, and generator services
  • Commercial HVAC, plumbing, and electrical

Professional HVAC, Plumbing & Electrical Services in Seattle

Since 1954, Day & Nite has been ensuring the comfort of homes and businesses all over Seattle and the greater King and Snohomish County area. We provide comprehensive HVAC and plumbing services throughout Seattle, WA, ensuring your home systems are always working as they should.

Our technicians are background-screened and drug-tested, arrive in uniform in identifiable vehicles, and back every job with a lifetime workmanship guarantee and warranties on our work (some limitations apply). Day & Nite’s Red Carpet Service commitment means we protect your property and clean our work area on every call.

Explore Our Special Offers

Looking to save on your next service? Check out our latest deals! Our experienced team will get the job done right—day or nite!

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What to Expect When You Call Day & Nite in Seattle

Day & Nite offers 24/7 emergency service for Seattle homeowners and businesses. Whether you need a plumber, an HVAC technician, or an electrician, our team is available around the clock. We serve neighborhoods across Seattle and are familiar with the older homes, mixed housing stock, and building types common to the city. There are no surprise fees, no upsells you did not ask for, and no job considered closed until you are satisfied.

Ready to schedule service in Seattle? Call Day & Nite at (425) 224-6452, available 24 hours a day, 7 days a week. You can also request service online and one of our team members will be in touch shortly.

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.