Gas Furnace Repair & Replacement in Fairfield, CA

If you need help with your gas furnace in Fairfield, CA, speak to the team here at Environmental Heating & Air Solutions. We’re here to help you with all aspects of gas furnace replacement and we’ll restore your comfort as quickly as we can. It can be frustrating when your gas furnace stops working, especially during the cold months. The good news is that we offer years of experience in gas furnace installation and will ensure your new system is installed to the highest possible standard.
So, if your existing furnace is showing signs of a problem, we’re the team that can help. We’ll carry out an assessment of your system and then recommend repair or replacement. If we can repair the system economically, we’ll do so, but if replacement is required, we’ll provide a quote and recommend the best system to suit your needs. From there, you can make a decision without any pressure. We’ll only ever recommend a suitable system and never upsell something you don’t need.
The Best Team For Your Gas Furnace in Fairfield

If you’ve noticed that your gas furnace isn’t working as it should be, don’t hesitate to call us. At Environmental Heating & Air Solutions, we understand how much you depend on your furnace to keep you warm. We also understand how one problem can make your system stop working. We’ll get one of our experienced technicians to your home as quickly as possible. They will diagnose any faults quickly and find the right fix. If your system is above a certain age and struggling, we can recommend the perfect system replacement to suit your needs. From there, we will arrange gas furnace replacement that provides many years of dependable performance. Speak to us now to find out more and make an appointment.
Here are some of the reasons to consider gas furnace replacement:
- More dependable heating
- Reduce energy costs
- Reduce carbon footprint
- Improve air quality
- Active warranty protection
The Best in Furnace Replacement Services
Don’t suffer in the cold because your gas furnace has let you down. For gas furnace repair or replacement that you can trust, depend on the team at Environmental Heating & Air Solutions. We care about your comfort and we’re dedicated to ensuring your home is warm and cozy all winter long.
Whether your system has come to the end of its useful life, or you’d like to find out more about the efficient systems available today, we can help. You won’t pay more than you need to when you have our team to take care of you. We’d be delighted to help you with any aspect of your heating system and can arrange a convenient appointment when it suits you. Nobody else offers better services than our team and we’d love to have the chance to prove that to you.
When you need help with your gas furnace in Fairfield, look no further than Environmental Heating & Air Solutions. We’re here to repair or replace your furnace to the highest standard and help you to keep your home warm for less. Also, discover our electric furnace services!
The Quality Difference Of EHA Solutions
Our customers are our top priority, and we work tirelessly to exceed expectations with every service we provide.
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A Commitment to Quality, Not Shortcuts
We believe great work speaks for itself. Every EHA project is completed with precision, transparency, and strict adherence to industry best practices. From equipment selection to final inspection, we focus on long-term performance, efficiency, and doing the job right the first time.
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Above & Beyond 24/7 Service
We’re here whenever you need us, delivering honest guidance, high-quality workmanship, and reliable support. Our mission is to improve every home’s indoor environment with unmatched value and care.
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Dave Lennox Award Winner
The Dave Lennox Award recognizes HVAC companies that demonstrate exceptional leadership, customer satisfaction, and technical excellence. This honor reflects our commitment to high standards, trusted craftsmanship, and delivering outstanding comfort solutions to every home we serve.
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Exceptional Lennox Products
As a Lennox Premier Dealer, we offer industry-leading systems known for efficiency, performance, and durability, backed by precise installation that maximizes their lifespan.
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Master Craftsmanship You Can Trust
Our technicians are exceptionally skilled, highly trained, and take pride in doing every job the right way, never the fast way. We work at or above manufacturer specifications and refuse to cut corners, ensuring long-lasting performance and true peace of mind.
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Privately Owned & Locally RootedWe’re a local, family-driven business, not a corporate chain. That means personal service, local accountability, and neighbors who genuinely care about the comfort of your home.
Trusted by Your Neighbors
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“These guys know what they're doing.”- Greg V.
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“From the no pressure sales (Kevin) to the professional installation team. Zack, Zavier and Chris were all awesome!”- Barbara W.
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“From our initial consult with Kevin through to installation by Matt & Eugene, we were very impressed with their collective knowledge, professionalism, and workmanship.”- Ed M.
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“I had 4 different HVAC companies quote us on a complete system replacement, one was even a little less then Environmental, but none compared to the professionalism, expertise and knowledge of this company.”- John
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“From our initial consult with Kevin through to installation by Matt & Eugene, we were very impressed with their collective knowledge, professionalism, and workmanship.”- Ed M.
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“I highly recommend them.”- Judy T.
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“The company has an excellent customer appointment tracking system.”
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“They did a wonderful job and cleaned up after themselves.”- Sonia G.
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“We have had no AC in this triple digit weather along with having a baby in our home and being sick with a cold.”- Irie R.