Endeavor Heating and Cooling LLC | HVAC Service in King & Snohomish Counties

Current financing: 12- or 25-month promotional financing at 0% interest on qualifying purchases through Synchrony.

View financing details
Licensed • Bonded • Insured

Straightforward HVAC service for homes across King and Snohomish Counties.

Repair, maintenance, and replacement for furnaces, air conditioners, heat pumps, and ductless systems—with clear recommendations, documented work, and dependable follow-through.

Current availability varies by location and workload. Contact us for the next opening in your area.

Owner-operatedDirect communication from start to finish
20 Google reviews5-star local reputation
10-year labor coverageOn qualifying new installations
1-year follow-upIncluded with qualifying installations
Services

Residential HVAC support from diagnosis through replacement.

Heating, cooling, airflow, and replacement services for homeowners, property managers, and real estate professionals.

01

Repair and Diagnostics

Troubleshooting for non-operational, noisy, leaking, or underperforming heating and cooling equipment.

Schedule diagnostics
02

Preventive Maintenance

Inspection, cleaning, testing, checklist documentation, and before-and-after photos for supported equipment.

Book maintenance
03

System Replacement

Equipment selection, sizing guidance, permits, installation, startup, warranty registration, and follow-up.

Request a replacement quote
04

Heat Pumps and Ductless

Ducted and ductless heat-pump options, including cold-climate and compact side-discharge systems.

Explore heat-pump options
05

Duct and Dryer Vent Cleaning

Cleaning services intended to address accumulated debris, airflow restrictions, and routine vent maintenance.

Request service
06

Property and Real Estate Support

Documented service, final HVAC inspections, access coordination, and clear communication for managed properties.

Contact Endeavor
What to expect

A clear process without unnecessary pressure.

Customers should know what happens next before they schedule.

Step 1

Schedule

Choose an appointment online or contact us to confirm current availability.

Step 2

Evaluate

We inspect the equipment, test operation, and identify the cause of the concern.

Step 3

Review options

You receive a clear explanation and pricing before additional work moves forward.

Step 4

Complete and document

Work is completed, tested, and documented with the applicable report or checklist.

Project support

Financing and available efficiency incentives.

Review promotional financing and potential efficiency incentives as part of the replacement-planning process.

Synchrony financing

Promotional financing may help spread out the cost of a qualifying HVAC project.

12 months0% interest promotional financing
25 months0% interest promotional financing

Rebates and incentives

Qualifying high-efficiency equipment may be eligible for one or more local incentive programs.

  • Midstream rebates on qualifying equipment
  • Utility rebates for eligible high-efficiency systems
  • Equipment-specific and program-specific incentives
  • Rebate review during the replacement-quote process

Eligibility depends on the selected equipment, installation address, utility provider, and current program requirements. Rebates are not guaranteed until eligibility is confirmed.

Replacement support

A complete installation is more than the equipment.

Qualifying replacement projects include the planning, documentation, and follow-through needed to complete the job properly—not just delivery of the system.

  • Permits and inspections when required
  • Startup and performance verification
  • Manufacturer warranty registration
  • 10-year labor coverage on qualifying installs
  • Complimentary one-year follow-up visit
Installed equipment

Preferred brands for new systems.

Endeavor installs equipment from established manufacturers and recommends systems based on the home, application, and project goals.

American Standard

Furnaces, central air conditioners, and heat-pump systems selected to fit the home, ductwork, and project goals.

Explore American Standard systems

Mitsubishi Electric

Ductless and ducted heat pumps, including multi-zone, cold-climate, and compact applications.

Explore Mitsubishi systems

Endeavor services and repairs all major residential HVAC brands.

Customer feedback

Review the company’s public reputation directly.

Read current customer feedback on the platforms where it was originally posted.

Common questions

Answers before you schedule.

What is your current availability?

Availability varies by location and workload. Contact us for the current schedule in your area.

Is the diagnostic fee credited toward other work?

The diagnostic may be credited in full toward a qualifying new system installation. It is not applied toward repairs or maintenance.

What financing is available?

For qualifying purchases, 12- and 25-month promotional financing at 0% interest may be available through Synchrony on approved credit. Program conditions and minimum purchase requirements may apply.

What rebates may be available?

Depending on the equipment and installation address, qualifying projects may be eligible for midstream, utility, or other high-efficiency system rebates. Eligibility is reviewed during the quoting process.

Do you handle permits and inspections?

Yes. Permits are pulled when required, and the inspection process is coordinated as part of the installation scope.

Which brands do you service and install?

Endeavor services all major residential HVAC brands and primarily installs American Standard and Mitsubishi Electric equipment.

What is included with a new system installation?

Quotes generally include the listed equipment, standard installation materials, professional installation, startup testing, warranty registration, haul-away, cleanup, and permits or inspections when specified. Work by other trades is included only when clearly listed.

What warranties are included?

Qualifying installations include registered manufacturer parts coverage, 10-year labor coverage, and a complimentary one-year follow-up visit. Full eligibility, exclusions, and maintenance requirements are listed on the Legal and Policy page.

Need service or planning a replacement?

Check current availability, schedule service, or request a free replacement quote.