Glendale Heating & Air Conditioning | Serving Greater Seattle Since 1938

Our Services

Family-Owned HVAC Services Since 1938!

Glendale Heating & Air Conditioning offers a wide variety of heating, cooling & HVAC services in Seattle, Bellevue & Tacoma. Our air quality products are second to none! Glendale Heating provides service, installation, inspection & more on all types of HVAC equipment throughout greater Seattle.

Years of HVAC Field Experience from our Employees, not Contractors.

Glendale’s HVAC Service technicians have years of field experience. Our teams are continually updated with the latest HVAC training & certifications. We keep up to date on HVAC certification licenses. This means that our HVAC technicians are trained and qualified to in Washington State. We service heating & air systems throughout King, Snohomish & Pierce counties.

Quality Heating, Air Conditioning & HVAC Services

HVAC Services in greater Seattle

We are prepared for any issue that may interrupt a heating and air conditioning system (HVAC System). We have a full sheet metal shop to repair ductwork and perform custom modifications. Our exceptional qualifications and work effort are what set us apart. The other Seattle HVAC, furnace and air conditioning companies can’t compare!

Air Conditioning Services in greater Seattle

Air conditioning keeps you cool when temperatures rise. Glendale specializes in residential air conditioning equipment replacements. We proudly install Lennox air conditioning systems  (the largest manufacturer of air management equipment in the U.S.A). Lennox leads in technological innovation. They have research and development facilities dedicated to constantly improving equipment. Glendale is proud to have been an independent Lennox dealer since 1966. And our air conditioning service costs and our products and services are better than most in the Puget Sound area.

Furnace Services & Oil Delivery Services from King County to Pierce County and Beyond

Glendale is an authorized dealer for the best brands in the business. Our partnerships include Lennox gas furnaces and Thermo Pride oil furnaces. Our installation technicians are full-time employees, not subcontractors; You can rely on dependable, high-quality installations. Are you worried about running out of heating oil? Glendale’s Automatic Refill Service is carefully designed to keep your tank level throughout the year. Utilizing information supplied by the national weather service our system forecasts when you are due for an oil delivery. This ensures a comfortable margin of oil in your tank at all times. Our system monitors your consumption habits during both hot and cold weather so we always have you filled up and ready to heat. Glendale delivers competitively priced home heating oil and BioHeat oil to homes in the greater Seattle, Bellevue, and South King County areas.

Oil Tank Replacements Agreements:

Replacing an oil tank is a big investment. As a service to our Automatic Refill customers, we offer Oil Tank Replacement Agreements. If your tank needs to be replaced, we will have it done at no charge to you. We participate in the Washington State Pollution Liability Insurance Program which covers active heating oil tanks. This coverage is for up to $60,000 in third-party remediation cleanup if oil leakage occurs. Our Annual Service Contracts save time and money!

  • Yearly safety and maintenance check.
  • Coverage for all labor costs for service needed during the year.
  • Assurance of priority service.


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