Home Water Filtration Systems in Longmont, CO

At Welzig Heating and Air, we offer quality water filtration services to ensure clean and safe water in your home in Longmont, CO! Our team of professionals are dedicated to providing customized solutions that are tailored to your needs when it comes to your water supply. Whether you’re considering going for a new water filtration system or you need maintenance done on your current one, we’re here to help!

Water Filtration System ServiceWater Filtration System InstallationWater Filtration System

When you choose to go for a new whole home water filtration system with us, some of the benefits you’ll enjoy include a safer and healthier water supply, lower energy costs, better taste and odor of your water, and a plumbing system that is protected. Our whole home water filtration systems are able to effectively remove contaminants, dangerous chemicals, and impurities from your water. You’ll find that with a cleaner water supply, your water heater will not have to work as hard to heat your hot water supply, saving you on your energy costs. If you have hard water, you’ll find that minerals such as magnesium and calcium can cause damage to your pipes over time. With an effective whole home water filtration system supplied by us, these minerals will be reduced so your plumbing system can last longer.

Your Water Filtration System Experts at Welzig Heating and Air

If you want to enjoy the benefits of a quality whole home water filtration system, make sure to contact us today for a free consultation. Our team of knowledgeable and friendly technicians will help guide you on determining the best water filtration system that will meet your specific needs, preferences, and budget. We also are available post installation for support, maintenance, and repairs to ensure your whole home water filtration continues to work smoothly for the long term!

Water Filtration System, Water Filtration System Installation & Water Filtration System Repair Boulder, CO, Longmont, CO & Louisville, CO

Water Filtration System Repair, Water Filtration System Service & Water Filtration System Installation

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Satisfied Customers
They Speak For Us

Our 23-year-old A/C system ran out of “borrowed time” and became too difficult to continue maintaining. With great advice from Casey Welzig,, we replaced the old system with a Bryant Evolution A/C system. Max Loustaunau and Seth Bernhardt did an excellent job with removing the old system and installing the new one. Both of them are great to work with — very professional and very personable. We are really amazed at how much better the new system works!


Bob came out to look at our swamp cooler and was remarkably helpful and professional. Not only did he give me a knowledgeable diagnosis, but he also taught me a lot in the process. We’ll be calling him for all future needs with our cooling system.


Dave Kaplan-Gomez and James Miltersen installed my new Tankless Water Heater. Both were polite and professional. Care was taken not to damage anything in my house which I really appreciated. I use Welzig for all my HVAC needs and highly recommend them.

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Longmont, CO