Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC & Roofing Experts in Brainerd, MN
Thelen Heating & Roofing has been a trusted provider of heating, cooling, roofing, and ventilation systems for over 60 years. Our commitment to quality products and exceptional service has earned us a reputation as Greater Minnesota's premier single-source provider for residential and commercial customers. With a team of more than 80 trained professionals, we deliver efficient solutions backed by partnerships with leading industry brands. Our 24/7 emergency service ensures immediate assistance when needed, while our maintenance programs help prevent system malfunctions.We prioritize clear communication and transparency, standing behind our work with comprehensive service agreements. Our technical expertise spans furnace and air conditioning installation, commercial roofing solutions, and custom sheet metal fabrication. Certified by top manufacturers like Lennox and Carrier, we combine advanced technology with personalized service to meet each client's unique needs. Located in the Brainerd Lakes area, we serve Minnesota and Twin Cities customers with the same dedication that has sustained our business since 1958.
Services
HVAC Installation
Commercial Roofing
Sheet Metal Fabrication
Maintenance Contracts
Ventilation Systems
Details
- Year established: 1958
Highlights and features
- Over 60 years of combined experience in HVAC and roofing industries
- Certified applicators for leading brands like Lennox and Carrier
- 24/7 emergency service with rapid response times
- Custom sheet metal fabrication capabilities
- Comprehensive maintenance programs prevent system failures
Associations and certifications
- Lennox
- Carrier
- Trane
What people say
Prompt, courteous, professional
Knowledgeable staff
Efficient solutions
Fair pricing
24/7 availability
Services
HVAC Installation
We install high-efficiency heating and cooling systems including furnaces, air conditioners, and mini-split units. Our technicians ensure proper sizing and installation for optimal energy efficiency and comfort. Backed by manufacturer certifications and 60+ years of experience, we provide reliable solutions for residential and commercial properties.
Commercial Roofing
Our commercial roofing services include installation, maintenance, and repair of built-up, rubber, and metal standing seam roofs. With specialized equipment and trained professionals, we deliver durable solutions for businesses while minimizing operational disruptions through scheduled maintenance programs.
Sheet Metal Fabrication
As Minnesota's premier sheet metal fabricator, we create custom ventilation systems for commercial and industrial applications. Our in-house fabrication capabilities allow precise customization to meet specific project requirements while maintaining strict quality control standards for durability and performance.
Maintenance Contracts
Our maintenance programs prevent system failures through regular inspections and tune-ups. Available for residential and commercial clients, these contracts cover HVAC systems and include priority scheduling. Preventative maintenance extends equipment lifespan while maintaining energy efficiency and warranty validity.
Ventilation Systems
We design and install comprehensive ventilation and air purification systems for improved indoor air quality. Services include air exchangers, ductwork fabrication, and humidity control solutions. Our systems enhance comfort while meeting building code requirements for residential and commercial spaces.
People
Tim Haglin
President; Commercial Jobs
With 20+ years in the HVAC industry, Tim oversees commercial operations and project management. He ensures quality control across all commercial installations and maintains key industry partnerships.
John Thelen Jr.
Vice President & Residential Sales/Estimates
Third-generation HVAC professional managing residential operations. John focuses on customer satisfaction and service excellence while maintaining family business values established in 1958.
Gunnar Niemeyer
Service Manager
Leads 24/7 service team with 15 years of HVAC experience. Specializes in emergency response coordination and technician training to maintain rapid service standards.
Questions
What HVAC services do you offer?
We provide complete heating, cooling, and ventilation solutions including installation, repair, and maintenance for residential and commercial systems.
Do you offer emergency service?
Yes, our 24/7 emergency service responds promptly to urgent HVAC needs with no additional after-hours charges.
What areas do you serve?
We primarily serve Minnesota and Twin Cities, with commercial projects extending across Greater Minnesota.
Are maintenance contracts worth it?
Yes, regular maintenance prevents breakdowns, extends equipment life, and maintains manufacturer warranties through our comprehensive service plans.
What sets you apart from competitors?
Our 60+ years of local experience, certified technicians, and in-house sheet metal fabrication give us unique capabilities compared to other HVAC providers.
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