Business Details
Emergency
services
Your Trusted HVAC Partner in Green Bay
Diamond Heating & Cooling has been serving Green Bay, WI as a locally owned and operated HVAC contractor for decades. We specialize in heating, ventilation, air conditioning, and indoor air quality solutions for residential and light commercial clients. Our team is fully licensed, bonded, and insured, with expertise ranging from routine maintenance to full-scale equipment replacements. We prioritize prompt service, flexible scheduling, and thorough workmanship to ensure customer satisfaction. Our commitment to quality products and professional service has helped us build lifelong relationships with clients across Green Bay and surrounding communities.We guarantee our work and strive to exceed expectations through personalized attention and technical expertise. With experience in new construction and commercial HVAC systems, we provide comprehensive solutions tailored to individual needs. Our dedication to clean, reliable service extends to emergency support for urgent heating or cooling issues. As a trusted local business, we focus on transparency, ethical practices, and long-term customer trust. Whether you require thermostat installation, gas line services, or air quality improvements, our team delivers proven expertise and dependable results.
Services
Heating
Air Conditioning
Indoor Air Quality
Maintenance
Installation
Replacement
Repair
New Construction
Thermostats
Gas Lines
Highlights and features
- Locally owned with decades of industry experience
- Fully licensed, bonded, and insured professionals
- 24/7 emergency service availability
- Free estimates for all HVAC projects
- Comprehensive residential and commercial solutions
Services
Heating
Our heating services cover installation, maintenance, and repair of residential and commercial heating systems. We work with modern equipment to ensure efficient warmth during cold seasons. Customers benefit from reliable performance and energy savings through our expert installations and preventative care programs.
Air Conditioning
We provide comprehensive air conditioning solutions including system installation, seasonal maintenance, and emergency repairs. Our technicians optimize cooling efficiency for homes and businesses. Clients receive improved comfort, reduced energy costs, and extended equipment lifespan through professional AC services.
Indoor Air Quality
Our indoor air quality services include humidity control, ventilation upgrades, and air purification system installations. We address allergens, pollutants, and moisture issues in homes and commercial spaces. Customers gain healthier environments with better temperature regulation and reduced respiratory irritants through our specialized air quality solutions.
Maintenance
Preventative maintenance plans cover HVAC system inspections, cleaning, and component adjustments. We service both residential and commercial equipment year-round. Regular maintenance extends equipment life, prevents breakdowns, and maintains energy efficiency for property owners across Northeast Wisconsin.
Installation
We handle complete HVAC system installations for new constructions and replacement projects. Our technicians ensure proper sizing and configuration of heating and cooling units. Customers receive optimal performance, energy efficiency, and manufacturer warranty protection through our professional installation services for residential and commercial properties.
Questions
Should I repair or replace my HVAC system?
Our technicians evaluate system age, efficiency, and repair costs to recommend cost-effective solutions tailored to your specific situation.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency support for urgent heating and cooling issues with a dedicated response line.
What areas do you service?
We serve Green Bay, WI and surrounding communities across Northeast Wisconsin for residential and commercial HVAC needs.
Are financing options available?
Currently we don't offer in-house financing, but we provide detailed estimates to help customers explore third-party financing solutions.
What maintenance plans do you offer?
We provide seasonal maintenance packages with priority scheduling, system inspections, and performance optimization for residential and commercial clients.
