Are you dealing with a broken air conditioner in the middle of summer or a heating system that just isn’t keeping you warm during chilly DuPont winters? At Green City Heating and Air Conditioning, we specialize in providing top-notch HVAC solutions designed to keep your home comfortable year-round. Whether it's an inefficient HVAC system driving up your energy bills or a boiler that needs repairs, we’re here to help with professional and reliable services tailored to your needs.
For fast service and personalized solutions, call us today or fill out our online contact form.

What Sets Green City Heating and Air Conditioning Apart in DuPont?
We understand that finding the right HVAC service provider can feel overwhelming. That’s why we focus on providing top-tier service, reliability, and expertise to ensure your home remains comfortable year-round. Here’s why homeowners in DuPont trust us:
- Expertise & Trust: Our team consists of certified technicians trained to service a wide range of HVAC systems, including industry-leading brands such as Daikin, Lennox, Navien, and more. With ongoing training and hands-on experience, we ensure that every installation, repair, or maintenance job is handled with precision and professionalism.
- Comprehensive Solutions: We offer a full suite of services, from air conditioners to water heaters, ensuring your entire home comfort system operates at peak performance. Whether you need heating, cooling, electrical work, or energy-efficient upgrades, we provide a one-stop solution for all your HVAC needs.
- Local Knowledge & Experience: With over a decade of service in Western Washington, we understand the unique climate challenges DuPont homeowners face. We tailor our recommendations to meet your home's specific needs, ensuring optimal comfort and efficiency.
- Commitment to Quality & Customer Satisfaction: As a licensed and bonded company with a 5-star rating from the Better Business Bureau, we take pride in delivering top-quality service every time. Our commitment to customer satisfaction means we always prioritize transparency, professionalism, and reliability in every project we undertake.
If you’d like to discuss your heating or cooling needs, don’t hesitate to reach out. Our friendly team is here to help you find the best solution for your home’s comfort. Contact us today!
Top-Rated HVAC and Electrical Services for DuPont Homeowners
We offer a wide range of heating, cooling, and electrical solutions to meet the needs of homeowners in DuPont:
Air Conditioning
When the temperatures rise, a reliable air conditioner is a must. We provide:
- AC installation for energy-efficient systems tailored to your home's needs.
- AC repairs to address common issues such as frozen coils, refrigerant leaks, and failing motors.
- Preventative AC maintenance to extend the lifespan of your unit and enhance efficiency.
Our technicians are ready to help you beat the heat with expert AC services. Don’t wait for your unit to break down. Call us today!
Boilers
A properly functioning boiler is essential for consistent home heating, especially during cold winters. We specialize in:
- Boiler installation and replacement to ensure you have a reliable heating source.
- Diagnosing and repairing leaks, pressure problems, and unusual noises.
- Routine maintenance and tune-ups to keep your system running efficiently.
Ductless Systems
Need an energy-efficient heating and cooling solution? Our ductless mini-split systems provide customizable comfort without the need for complex ductwork. Benefits include:
- Lower energy bills due to zoned heating and cooling.
- Simple installation with minimal disruption.
- Enhanced air quality for a healthier home.
Electrical
Electrical problems can be frustrating—and dangerous. Our licensed electricians provide the following:
- Electrical system upgrades to meet modern efficiency and safety standards.
- Panel repairs and replacements for improved electrical safety and function.
- Electrical troubleshooting to quickly identify and resolve issues.
Heat Pumps
Heat pumps are an efficient, year-round solution for heating and cooling. Our services include:
- New heat pump installations to improve your home’s energy efficiency.
- Heat pump repairs and maintenance to maximize performance and longevity.
- Assistance with selecting the right unit for your home’s heating and cooling needs.
Heating
When your furnace or heating system fails, we’re here to restore warmth. Our heating services include:
- Furnace installation, repair, and maintenance to keep your home comfortable.
- Diagnosing uneven heating, strange smells, or thermostat issues for fast solutions.
- Ensuring your system runs efficiently to lower energy bills and improve performance.
Water Heaters
Enjoy continuous hot water with our water heater services:
- Installation of traditional and tankless water heaters for energy savings and reliability.
- Repairs for leaking tanks, inconsistent water temperatures, or sediment buildup to ensure smooth operation.
- Routine maintenance to keep your hot water flowing reliably and efficiently.
If you’re in need of any of these services in DuPont, look no further than Green City Heating and Air Conditioning. Contact us today for a consultation or to schedule an appointment. Our team is ready to provide top-quality HVAC and electrical solutions tailored to your needs!
Affordable HVAC Solutions with Flexible Financing
At Green City Heating and Air Conditioning, we believe that home comfort shouldn’t be a financial burden. That’s why we offer flexible financing options through GoodLeap, making it easier than ever to upgrade your HVAC system without the upfront cost. With zero-down and 0% interest financing, you can get the heating or cooling solution you need while keeping your budget intact. Whether you need a new furnace, air conditioner, or water heater, our financing plans allow you to invest in energy-efficient systems with manageable monthly payments. Don’t let cost hold you back from a more comfortable, energy-efficient home.
Take advantage of our stress-free financing options today! Learn more about financing and apply now.
Experience Unmatched Comfort with Green City Heating and Air Conditioning
Tired of dealing with unreliable heating or cooling? At Green City Heating and Air Conditioning, we make home comfort effortless. Our expert team is committed to delivering top-quality service tailored to your unique needs. Whether it’s a fast repair, a full system replacement, or guidance on the best energy-efficient options, we’re here to help. We take pride in our exceptional craftsmanship, honest recommendations, and customer-first approach, so you can trust us to get the job done right the first time. Say goodbye to unexpected breakdowns and high energy bills with our reliable HVAC solutions.
Don’t wait until minor issues turn into big problems. Call us today or schedule your service online!
Common Questions About Our Services
Why is my air conditioner blowing warm air?
There are several reasons your AC may be underperforming, including:
- Refrigerant leaks.
- Clogged or dirty air filters.
- Malfunctioning components like a compressor or capacitor.
If your AC isn’t working properly, give us a call for a fast and affordable solution.
How often should my HVAC system be serviced?
Regular maintenance is key to extending your system's lifespan and improving efficiency. We recommend scheduling:
- AC maintenance every spring.
- Heating maintenance every fall.
Our experts provide thorough inspections and tune-ups to keep everything in top shape.
Do you offer emergency HVAC services in DuPont?
Yes, we understand that HVAC problems don’t always happen during business hours. Contact us for quick, reliable emergency support when you need it most.
Schedule HVAC Service or Ask Questions

Get the Job Done Right
The First Time
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We Never Subcontract –
You Get Our Team Every Time




Affordable Financing Options:
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0% Interest financing
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Customer Testimonials
Met with a few different companies and Green City Heating and Air was the most competitive priced, and the best customer service.
They have excellent customer service and they treat us like family. I highly recommend them. They deserve an A+++++
I greatly appreciate Tyler, the installation manager. Tyler is knowledgeable, always friendly and very generous to share his opinions and I greatly appreciate him.
Matt, Jeff, and the rest of the Green City team were amazing. Great service, worked with us through all of our needs and questions.
Great! Very happy with the service, knowledgeable staff and quick installation of the mini- split system. Best heating system I've ever used.
Their responsiveness and skill exceeded our expectations. When Damon serviced our furnace, he was knowledgeable, professional, and friendly.
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