Business Details
22 Years
experience
Emergency
services
Expert HVAC Solutions for Residential & Commercial Properties
Custom Radiant has been delivering premium heating, ventilation, and air conditioning solutions since 2004. Our expertise in hydronic radiant heating systems, boiler installations, and energy-efficient HVAC technologies stems from over 30 years of combined industry experience. We specialize in designing systems that prioritize long-term performance, energy conservation, and occupant comfort for residential and commercial properties. Our team of certified technicians adheres to strict safety protocols while maintaining transparency in all client interactions.As a family-owned business, we maintain accountability through guaranteed workmanship and a commitment to resolving both routine maintenance issues and emergency repairs within 24 hours. Our partnerships with leading manufacturers like Viessmann and Buderus ensure system reliability, while annual service agreements provide preventative care and priority response times. We serve Seattle and surrounding communities with customized solutions that integrate seamlessly into existing infrastructure.
Services
Hydronic Radiant Heating
Air Conditioning
Boiler Installation
Heat Recovery Ventilation
Solar Solutions
Details
- Year established: 2004
Highlights and features
- We offer 30+ years of specialized HVAC experience
- Our certified technicians complete 24/7 emergency repairs
- Satisfaction guaranteed on all heating and cooling services
- Factory-trained experts install Viessmann and Buderus systems
- Annual service agreements include preventative maintenance programs
What people say
Highly recommend
Excellent job
Great service
Very detailed
Perfect solutions
Services
Hydronic Radiant Heating
We design and install hydronic radiant heating systems that deliver consistent warmth through water-circulated tubing beneath floors. Our solutions work with wood, tile, or concrete surfaces while improving energy efficiency by 15% compared to forced-air systems. The technology reduces allergens and maintains even temperatures across commercial and residential spaces.
Boiler Installation
Our experts install Viessmann and Buderus boilers for residential and commercial properties, offering gas, oil, and electric options with automated controls. We handle complete system replacements, new installations, and efficiency upgrades while providing 24/7 emergency repair services for all boiler makes and models.
Air Conditioning
We provide ductless, hybrid, and central air conditioning systems with specialized solutions for temperature imbalance issues. Our services include refrigerant leak repairs, coil maintenance, and electrical system diagnostics to ensure optimal cooling performance during seasonal temperature extremes.
Heat Recovery Ventilation
Our HRV installations improve indoor air quality by exchanging stale air for filtered outdoor air while recovering 85% of heating or cooling energy. The systems integrate with existing HVAC infrastructure to control moisture levels and reduce allergens in tightly sealed modern buildings.
Solar Solutions
We offer Viessmann solar thermal systems for water heating applications in residential pools and commercial facilities. Our designs maximize energy savings through solar panel integration with existing hydronic heating systems while qualifying for available utility rebates.
People
Jeff Nadeau
Owner
With over 30 years in HVAC and plumbing, Jeff Nadeau founded Custom Radiant to provide specialized hydronic heating solutions. He oversees system design and installation, ensuring technical excellence and adherence to energy efficiency standards.
Kathy Nadeau
Co-Owner
Kathy Nadeau manages business operations and client relations for Custom Radiant. Her leadership ensures consistent service quality and maintains the company's commitment to personalized customer care since its 2004 founding.
Questions
What HVAC services do you offer?
We specialize in hydronic radiant heating, boiler installations, air conditioning systems, heat recovery ventilation, and solar thermal solutions for residential and commercial properties.
Do you provide emergency HVAC services?
Yes, our technicians offer 24/7 emergency repair services for heating and cooling systems with immediate response availability.
Which areas do you service?
We serve Seattle, Bellevue, Tacoma, Renton, Kent, and surrounding areas in Washington state with full-service HVAC solutions.
Are rebates available for your services?
We help customers qualify for manufacturer and utility rebates on qualifying HVAC equipment installations and energy-efficient upgrades.
What service agreements do you offer?
Our annual service agreements include preventative maintenance, priority scheduling, and waived after-hours fees for system repairs.
Which brands do you install?
We install Viessmann and Buderus boilers, Viessmann solar thermal systems, and partner with leading HVAC equipment manufacturers for complete system solutions.
