Business Details
29 Years
experience
Emergency
services
Trusted HVAC Services in Seymour, WI
Diedrick's Heating and Air Conditioning has been dedicated to providing exceptional HVAC services since 1997. Our professional, knowledgeable team specializes in heating, ventilation, and air conditioning solutions tailored to residential needs. We pride ourselves on delivering reliable, efficient services and installing high-end Lennox products designed for year-round comfort. Our commitment to quality ensures every job is completed quickly and correctly, prioritizing customer satisfaction. With a deep understanding of local climate demands, we offer personalized repair, maintenance, and installation services across Seymour and surrounding areas.Our legacy of integrity and craftsmanship continues under new leadership, maintaining the same dedication to excellence established by our founder. We combine innovative technology with hands-on expertise to resolve complex HVAC challenges, ensuring homes remain comfortable and energy-efficient. As a trusted community partner, we focus on building lasting relationships through transparent communication and dependable service.
Services
HVAC Repair
Furnace Installation
Air Conditioning Maintenance
Heat Pump Services
Mini-Split Systems
Indoor Air Quality
Thermostat Installation
Commercial HVAC
Emergency Services
System Maintenance
Details
- Year established: 1997
Highlights and features
- We offer 24/7 emergency HVAC services for urgent needs
- Our team has 25+ years of combined HVAC industry experience
- We install energy-efficient Lennox systems with rebates available
- We provide financing options for HVAC replacements
- Our technicians complete factory-certified training annually
What people say
Fast, affordable service
Dependable comfort since 1997
Professional technicians
Energy-efficient solutions
24/7 emergency availability
Services
HVAC Repair
Our technicians provide prompt diagnosis and repair of heating and cooling systems, minimizing downtime during extreme weather. We service all major brands and maintain factory-certified expertise for Lennox equipment. Emergency repair services are available 24/7 to restore comfort quickly.
Furnace Installation
We install high-efficiency furnaces that reduce energy costs while maintaining consistent indoor temperatures. Our experts help select appropriate AFUE ratings based on home insulation and climate needs. All installations include system performance testing and operational training.
Air Conditioning Maintenance
Preventive maintenance plans extend equipment lifespan and maintain manufacturer warranties. Our technicians clean coils, check refrigerant levels, and inspect electrical components to ensure optimal summer performance and energy efficiency.
Heat Pump Services
We offer heat pump installation and repair services for year-round climate control. Our technicians optimize system settings for Wisconsin's variable climate and integrate smart thermostats to maximize energy savings through automated temperature adjustments.
Mini-Split Systems
Our mini-split solutions provide targeted heating and cooling for additions or spaces without ductwork. We handle complete installations including wall mounting and refrigerant line connections, with options for multi-zone temperature control.
People
Brian Diedrick Sr.
Founder
Established the company in 1997 with extensive HVAC industry experience. Built a reputation for integrity and quality craftsmanship that continues under new leadership.
Brian Diedrick Jr.
Co-Owner
Joined the family business after gaining technical expertise through hands-on training. Acquired the company in 2022 to continue its legacy of exceptional HVAC service in Seymour.
Patrick Hodge
Co-Owner
Started as technician in 2005, mastering HVAC systems through practical experience. Became co-owner in 2022, maintaining the company's commitment to technical excellence and customer satisfaction.
Questions
What HVAC services do you offer?
We provide full-service HVAC solutions including repair, installation, and maintenance for heating and cooling systems, with 24/7 emergency service availability.
Do you service all HVAC brands?
While we specialize in Lennox systems, our technicians are trained to service all major HVAC brands across Seymour and surrounding areas.
Are financing options available?
Yes, qualified customers can take advantage of no-interest financing for new Lennox system installations with approved credit.
What areas do you serve?
We serve Seymour and 15+ surrounding communities including Green Bay, De Pere, and Kaukauna with prompt HVAC services.
Do you offer maintenance plans?
Yes, our preventive maintenance agreements help extend equipment life, maintain warranties, and optimize system efficiency year-round.