Business Details
27 Years
experience
Emergency
services
Your Trusted HVAC Partner in Langley, BC
Established in 1999, ADW Mainland Heat & Air Conditioning has built a reputation as a trusted family-owned HVAC contractor serving the Lower Mainland. With a BBB A+ rating since 2001, we combine over 25 years of industry experience with certified government-licensed gas fitters to deliver reliable heating, cooling, and air quality solutions. Our commitment to excellence is reflected in our use of proven technology, durable parts, and adherence to the latest industry codes. We specialize in furnace and duct cleaning, HVAC installation, repair, and maintenance, offering a full line of consumer products tailored to individual home needs. Our team prioritizes punctuality, honesty, and customer satisfaction, backed by comprehensive warranties and consecutive customer satisfaction awards.As a fully licensed, insured, and bonded registered contractor, we ensure every project meets rigorous standards while maintaining transparent communication with clients. Our expertise extends to energy-efficient systems, including tankless water heaters, heat pumps, and air purification technologies, designed to enhance home comfort and reduce utility costs. With service areas covering Langley, Abbotsford, Surrey, and surrounding communities, we remain dedicated to providing personalized solutions that address both immediate needs and long-term efficiency goals.
Services
HVAC Installation
Furnace Repair
Duct Cleaning
Water Heater Services
Air Quality Solutions
Heat Pump Maintenance
Gas Line Services
Emergency Repairs
System Diagnostics
Indoor Air Purification
Details
- Year established: 1999
Highlights and features
- Family-owned since 1999 with BBB A+ accreditation
- Certified government-licensed gas fitters on staff
- 24/7 emergency HVAC repair services available
- Offering industry-leading product warranties
- Specialized in energy-efficient heating and cooling systems
Associations and certifications
- Better Business Bureau (BBB)
What people say
Professional staff
Prompt service
Happy customer for 25 years
Great service
Highly recommend
Services
HVAC Installation
We specialize in complete HVAC system installations including furnaces, air conditioners, and heat pumps. Our certified technicians ensure proper sizing and configuration for optimal efficiency. All installations meet current industry codes and manufacturer specifications.
Furnace Repair
Emergency and scheduled furnace repairs conducted by licensed gas fitters. We diagnose issues with ignition systems, heat exchangers, and thermostats. Service includes parts replacement and system recalibration for improved performance.
Duct Cleaning
Professional duct and furnace cleaning removes contaminants and improves indoor air quality. Our sanitization process eliminates mold, dust, and allergens from residential HVAC systems. Recommended every 1-2 years for optimal system efficiency.
Water Heater Services
Installation and repair of both tank and tankless water heaters. We service gas and electric models with same-day diagnostics. Our technicians optimize system performance while ensuring safe operation and energy efficiency.
Air Quality Solutions
We install air purification systems including UV filtration and whole-home air cleaners. Our solutions target allergens, viruses, and particulate matter. Systems integrate with existing HVAC for continuous air quality improvement in residential spaces.
People
Davyd Williams
Owner
Davyd founded ADW Mainland Heat & Air Conditioning in 1999 after recognizing the need for reliable HVAC services in Langley. With over 25 years in the industry, he maintains hands-on involvement in customer service and technical operations.
Questions
What HVAC services do you offer in Langley?
We provide furnace and air conditioner installation, repair, and maintenance. Additional services include duct cleaning, water heater replacement, and indoor air quality solutions across the Lower Mainland.
Should I repair or replace my HVAC system?
Consider repair if costs are under 1/3 of replacement and the unit is under 10 years old. Replacement is recommended for systems over 15 years old or requiring frequent repairs.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency repair services for heating and cooling system failures. Our team responds promptly to urgent comfort needs in Langley and surrounding areas.
What payment options are available?
We offer financing options for major HVAC replacements. Contact our office for details about payment plans and special promotions currently available to residential customers.
Are your technicians certified?
All our HVAC technicians are certified government-licensed gas fitters with ongoing training in the latest heating and cooling technologies and safety protocols.