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10 Years
experience
Emergency
services
Expert HVAC Services in Mukilteo, WA
Founded in 2016, Legacy One Heating was established by an industry professional with over 20 years of experience who sought to redefine HVAC service standards. Our company was born from a commitment to honesty and transparency, rejecting the upsell tactics common in large HVAC firms. We operate with a family-first ethos, reflected in our business structure and customer interactions. Our team comprises skilled technicians with expertise across all HVAC domains, serving residential and commercial clients in Mukilteo, WA, and surrounding areas including Seattle, Kirkland, and Everett. We prioritize ethical practices, offering commission-free consultations to ensure recommendations align with client needs.

Our services are backed by warranties and a 100% satisfaction guarantee, demonstrating our confidence in work quality. Continuous training ensures our team stays current with technological advancements and energy-efficient solutions. Customer testimonials consistently highlight our reliability, professionalism, and exceptional service delivery. We maintain licensing and insurance for client protection, with flexible financing options available. Legacy One Heating remains dedicated to exceeding expectations through personalized service and technical excellence.
Services
AC Repair Furnace Installation Heat Pump Maintenance Duct Cleaning Thermostat Installation Emergency HVAC Service Indoor Air Quality Commercial HVAC HVAC Maintenance Plans
Details
  • Year established: 2016
Highlights and features
  • We offer 20+ years of HVAC expertise with no commission-based sales
  • Our family-owned business prioritizes ethical service over upselling
  • 100% satisfaction guarantee backs all our HVAC installations and repairs
  • Technicians receive continuous training on energy-efficient systems
  • Flexible financing options available for residential and commercial clients
What people say
Highly recommended Quick and efficient Great service No upselling Professional technicians
Services
AC Repair
Our AC repair service addresses cooling system malfunctions with prompt diagnostics and efficient solutions. We handle refrigerant leaks, compressor issues, and electrical problems while maintaining energy efficiency. Technicians identify warning signs like unusual noises or reduced cooling performance to prevent costly breakdowns. Residential and commercial clients benefit from our 24/7 emergency repair availability.
Furnace Installation
We specialize in furnace installations for residential and commercial properties, offering energy-efficient models from trusted brands. Our team evaluates existing systems to determine optimal replacement timing and cost-effectiveness. All installations include performance testing and customer education on system maintenance. We provide written guarantees for all new furnace installations.
Heat Pump Maintenance
Our preventive maintenance plans extend equipment lifespan while optimizing performance. Technicians perform comprehensive inspections, lubricate moving parts, and calibrate thermostats during scheduled visits. Regular maintenance reduces emergency repair risks and maintains manufacturer warranties. We offer discounted service packages for recurring maintenance agreements.
Duct Cleaning
Professional duct cleaning improves indoor air quality by removing accumulated debris and contaminants. Our process includes HVAC system component cleaning and air filtration assessment. Commercial and residential clients receive detailed post-service reports. We recommend cleaning every 3-5 years or following significant renovations.
Thermostat Installation
We install programmable and smart thermostats to enhance climate control and energy efficiency. Technicians ensure proper calibration and integration with existing HVAC systems. Customers receive training on usage features and energy-saving settings. Our installations include compatibility checks for all major HVAC brands.
Questions
What HVAC services do you offer?
We provide AC repair, furnace installation, heat pump maintenance, duct cleaning, thermostat services, and emergency HVAC solutions for residential and commercial clients.
Do you serve areas outside Mukilteo?
Yes, we serve Everett, Seattle, Kirkland, and surrounding communities within Snohomish and King Counties.
Are financing options available?
Yes, we offer flexible financing plans for residential and commercial HVAC projects of all sizes.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency HVAC repair services for urgent heating and cooling system failures.
What makes your company different?
We operate without commission-based sales, prioritize honest recommendations, and guarantee 100% customer satisfaction with all our work.
Do you provide maintenance plans?
Yes, we offer customized HVAC maintenance agreements with priority service scheduling and discounted repair rates.