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12 Years
experience
Emergency
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Expert HVAC Solutions for Sequim Homeowners
Bill Mair Heating & Air has been delivering top-tier HVAC services to residential and commercial clients across the North Olympic Peninsula since 2014. Founded by Bill and Anna Mair, our company combines over 28 years of industry expertise with a commitment to personalized service and technical excellence. As authorized Elite Diamond Contractors for Mitsubishi Electric, we offer a 12-year parts warranty on installations, backed by our own 1-year labor warranty. Our team of licensed, bonded, and insured technicians prioritizes customer satisfaction through transparent communication, prompt service, and adherence to Washington State licensing standards.

We specialize in system evaluations, maintenance, and installations that enhance indoor air comfort while ensuring long-term equipment performance. Our financing partnerships with Synchrony Bank provide accessible solutions for modern HVAC upgrades. With a focus on community values and technical proficiency, we guarantee reliable service that meets both manufacturer requirements and client expectations.
Services
HVAC Maintenance Heat Pump Installation Furnace Repairs Mitsubishi Systems Financing Options
Details
  • Year established: 2014
Highlights and features
  • 28+ years of local HVAC expertise from owner Bill Mair
  • Manufacturer-backed 12-year parts warranty on Mitsubishi installations
  • Personal 1-year labor warranty on all installations
  • Licensed, bonded, and insured technicians meeting Washington State standards
  • Promotional financing options through Synchrony Bank partnerships
Associations and certifications
  • Mitsubishi Electric Elite Diamond Contractor
What people say
Stellar customer service Professional and courteous Seamless project execution Knowledgeable technicians Prompt and efficient
Services
HVAC Maintenance
Our comprehensive maintenance service includes filter replacement, system diagnostics, refrigerant checks, and performance optimization. We inspect electrical components, clean coils, and ensure proper operation of heat pumps and furnaces. Regular maintenance extends equipment lifespan, improves energy efficiency, and maintains manufacturer warranties while providing detailed system reports for homeowners.
Heat Pump Installation
We specialize in installing Mitsubishi Electric heat pump systems with precise sizing and placement. Our process includes system evaluation, permit acquisition, and professional installation meeting manufacturer specifications. We offer 12-year parts warranties and personal labor guarantees while ensuring optimal energy efficiency and comfort for residential properties.
Ductless Systems
Our ductless heat pump solutions provide zoned temperature control with minimal structural impact. We handle system selection, wall-mounted unit installation, and refrigerant line setup while maintaining aesthetic integrity. These energy-efficient systems offer quiet operation and precise climate control for homes without existing ductwork.
Emergency Repairs
We provide urgent repair services for heating and cooling system failures outside regular hours. Our technicians respond promptly to address refrigerant leaks, compressor failures, and electrical issues while minimizing property damage during critical repairs.
Financing Options
Through partnerships with Synchrony Bank, we offer flexible financing plans including deferred interest and fixed APR options. These plans allow customers to upgrade HVAC systems with manageable monthly payments while qualifying for manufacturer warranties and installation guarantees.
People
Bill Mair
Owner
With 28+ years of local HVAC experience, Bill founded the company in 2014 after working extensively in the industry. He oversees all technical operations and ensures service quality meets manufacturer standards while maintaining personal customer relationships.
Anna Mair
Owner
Anna manages business operations and customer service, leveraging her business degree and family HVAC background. She coordinates installations, financing options, and community outreach while ensuring administrative excellence since co-founding the company in 2014.
Questions
What HVAC services do you offer?
We provide installation, maintenance, and repair services for heat pumps, electric furnaces, ductless systems, and thermostats, specializing in Mitsubishi Electric products.
Do you offer financing options?
Yes, we partner with Synchrony Bank to provide promotional financing plans for Mitsubishi and Rheem HVAC systems, including deferred interest options.
Are you licensed and insured?
We hold Washington State HVAC Construction Contractor License #BILLMMH846MJ and Electrical Contractor License #BILLMMH864P4, with full insurance coverage.
What areas do you serve?
We service Sequim, Port Angeles, Port Townsend, and surrounding areas in Clallam and Jefferson Counties.
What warranties do you provide?
Mitsubishi installations include a 12-year parts warranty, with our own 1-year labor warranty on all installations.
Can you handle emergency repairs?
Yes, we offer emergency HVAC services to address urgent heating and cooling needs outside regular business hours.