Heating and Cooling That Looks Better and Runs Better
Precision diagnostics, clean installations, and professional HVAC service for homeowners who want more than a rushed contractor visit. Serving King and Snohomish Counties with repairs, maintenance, system replacements, and high-efficiency upgrades.
Service Built Around Real Homes and Real Problems
Whether you need a repair, a tune-up, or a full replacement, the goal is the same: clean work, clear communication, and a system that performs the way it should.
Diagnostics and Repairs
For furnaces, central air, heat pumps, mini-splits, fireplaces, and more.
- System troubleshooting and fault finding
- Repairs for all major brands
- Clear recommendations before work begins
Precision Tune-Ups
Seasonal maintenance focused on cleaning, safety, and performance verification.
- Heating and cooling tune-ups
- Mini-split maintenance
- Report with findings and recommendations
System Replacements
Professional replacement options for homeowners upgrading comfort, efficiency, or reliability.
- Furnaces and central air
- Ductless and ducted heat pumps
- Load-based equipment selection
Airflow and Specialty Work
Useful add-on services for comfort, performance, and home sale preparation.
- Dryer vent cleaning
- Final HVAC inspections for buyers and sellers
- Airflow improvements and system review
A Cleaner Process From First Visit to Final Startup
Good HVAC work is more than swapping parts or setting equipment. The process matters, and that is where a lot of companies fall short.
Evaluate the System
We inspect the current setup, identify issues, and document what is actually going on before recommending next steps.
Present Clear Options
Whether it is a repair or a replacement, the scope is explained in plain language with clear pricing and realistic expectations.
Install or Repair the Right Way
Workmanship, site protection, wiring, piping, and finish quality are handled with the same attention as system performance.
Verify and Support
Systems are tested, startup is confirmed, and you get follow-through after the job instead of being left guessing.
10-Year Labor Warranty on Qualifying Installs
For qualifying new system installs, if a covered part fails under the manufacturer’s warranty, labor to replace it is covered by us for 10 years.
Flexible Financing for Qualifying Projects
Financing can help spread out the cost of larger HVAC projects, including system replacements and qualifying repair work.
Synchrony Financing
We offer homeowner financing through Synchrony to help make qualifying HVAC projects more manageable.
- Quick application process
- Useful for replacements and larger repairs
- Promotional options may be available
- Credit decisions are made by the lender
Financing is offered by Synchrony Bank and is subject to credit approval and program terms.
Equipment We Like to Put Our Name Behind
We service all major brands, but for new installations we focus on systems we trust for comfort, reliability, and long-term support.
American Standard Furnaces and Central Air
Reliable options for Pacific Northwest homes, with strong comfort performance and a lineup that fits straightforward replacements as well as higher-end upgrades.
Common Equipment
- S8X1 and S8B1 single-stage furnaces
- S9X1 and S9X2 high-efficiency furnaces
- Matched AC and heat pump pairings
Why It Works
- Clean cabinet design and low-noise performance
- Good fit for retrofit applications
- Strong comfort options across price points
Mitsubishi Ductless and Ducted Heat Pumps
High-efficiency heating and cooling with room-by-room control, cold-weather performance, and ducted options when you want a more traditional look.
Common Equipment
- Wall-mounted and ceiling cassette systems
- SVZ and PVA ducted air handlers
- Multi-zone and Hyper-Heating options
Why It Works
- Excellent efficiency and zoning capability
- Strong solution for additions and retrofits
- Ducted and ductless flexibility
Service Plans Designed to Keep Systems Dialed In
Maintenance plans are built for homeowners who want regular upkeep, discounted repairs, and a cleaner long-term ownership experience.
Heating or Cooling Plan
Single-system maintenance for furnace, AC, or heat pump equipment.
- Cleaning and inspection of accessible components
- Safety and operation checks
- Findings and recommendations after the visit
Mini-Split Plan
Ongoing service for ductless systems with discounts on repairs during the active term.
- Indoor and outdoor system inspection
- Drainage and control verification
- 10% off mini-split repairs while active
Ask About Membership
Start with the current seasonal special, then ask about ongoing plan options for your system type.
- Furnaces, AC, heat pumps, and mini-splits
- Priority service and reminders
- Cleaner long-term maintenance cadence
Customer Reviews
What Homeowners Say About Endeavor Heating and Cooling LLC
Real feedback from homeowners who trusted us with their heating, cooling, and indoor comfort.
Overall Reputation
Trusted by local homeowners for repairs, maintenance, and system replacements.
Clear Answers Before You Book
If you do not see your answer here, please call or reach out through the contact page.
How soon can you come out?
Most calls can be scheduled the same or next business day. If it is urgent, we will do our best to prioritize you.
Do you pull permits and handle inspections?
Yes. We pull permits on installations when required and handle the inspection process from start to finish.
Is the diagnostic credited back?
Yes, when you move forward with a qualifying repair approval. Diagnostics are not credited toward maintenance.
What payment options do you accept?
Cash, credit card, debit card, ACH, and check. Financing is also available through Synchrony on approved credit.
Do you offer after-hours or weekend service?
Saturday appointments are available, and after-hours emergency service may be offered when scheduling allows.
Do you work with HOAs and property managers?
Yes. We regularly work with HOAs, property managers, landlords, and real estate professionals. We can provide clean documentation and coordinate site access and communication.
What is typically included in a new system quote?
Quotes typically include the listed equipment, required installation materials, professional installation, permit and inspection when required, startup and verification, haul-away, and cleanup.
Which systems do you service?
- Gas and electric furnaces
- Central air conditioners
- Ducted and ductless heat pumps
- Ductless mini-split systems
- Gas fireplace inserts
- Ceiling-mount furnaces and make-up air systems
“Whether it is a quick repair, solving an ongoing problem, or a brand-new system, I am not here for a one-and-done job. I am here to be your go-to HVAC expert. From day one, you will get honest advice, quality work, and a commitment to keeping your home comfortable for years.”